561 curated articles
Phonons hold promise for storing and transferring quantum information, including in mechanically-mediated quantum interconnects between superconducting qubits and light. Phononic crystal cavities conf...
A key enabling feature of future quantum networks is interoperability between platforms that operate at different wavelengths and with different qubit encodings. We demonstrate an interface that conve...
Qubit loss occurs when the physical carrier of a qubit leaves the computational system without directly revealing the event's location. Such errors are a major obstacle to fault-tolerant quantum compu...
The proliferation of power electronics in multi-terminal transmission grids has increasingly led to harmonic distortions and dynamic instabilities. While Resonance Mode Analysis (RMA) provides deep in...
Trapped-ion quantum computing developer IonQ (NYSE: IONQ) has officially completed its acquisition of SkyWater Technology (NASDAQ: SKYT), the largest exclusively U.S.-based semiconductor foundry. Foll...
Insider Brief Press release – SEALSQ Corp (NASDAQ: LAES), (“SEALSQ” or “Company”), a company focused on semiconductors, PKI, and post-quantum technology solutions, today announced the start of the com...
Quantum error correction (QEC) codes can correct twice as many erasure errors as Pauli errors. Because of this scaling advantage, there is significant interest in developing qubits whose dominant erro...
Insider Brief Press release – IonQ (NYSE: IONQ), the world’s leading quantum platform company, today completed its acquisition of SkyWater Technology (NASDAQ: SKYT), the largest exclusively U.S.-based...
IonQ completes its acquisition of SkyWater Technology, creating the only vertically integrated full-stack quantum platform to accelerate quantum computing.
Semiconductor spin qubits are one of the most promising building blocks for future quantum computers, but turning them into a working, large-scale quantum computer has so far proven difficult. For now...
Executive Summary France’s quantum ecosystem continued to expand in July 2026 through a combination of government oversight, industrial scaling, international partnerships and commercial growth, even ...
Insider Brief The post-quantum conversation has focused heavily on which algorithms to adopt, but algorithm selection is the second problem, not the first. The real challenge lies in developing the sy...
Author(s): Lee Peleg, David Schwerdt, Jonathan Nemirovsky, Yotam Shapira, Nitzan Akerman, Ady Stern, Amit Ben Kish, and Roee Ozeri A new polynomial-time method designs fast, robust, programmable multi...
We propose a protocol where chiral magnons mediate a state transfer between two distant spin qubits. The protocol is implemented by varying the coupling between the spin qubits and the magnons in time...
Insider Brief IBM expects quantum computing to begin making a measurable contribution to the company’s financial results within the next few years, as the technology moves closer to commercial use, Ch...
Silicon-based donor flip-flop qubits offer a promising path toward scalable, fault-tolerant quantum computing by combining the long coherence times of nuclear spins with fast, fully electrical control...
Insider Brief Press release – When will meaningful applications of quantum computers arrive? The standard answer has been at least five to ten years, while we wait for fully fault-tolerant hardware wi...
Insider Brief Press release – IBM (NYSE: IBM) and researchers from the University of Chicago today announced a demonstration in quantum computing that achieves the fundamental criteria for quantum adv...
We investigate the task of identifying the parity (odd vs even) of an unknown permutation applied to $n$ particles. Classically, using fewer than $n$ distinct labels per particle limits the success pr...
Nuclear spin qubits in silicon offer exceptionally coherent quantum memory, and optically-interfaced spins are a promising platform for both quantum networking and distributed quantum computing. It ha...
The U.S. Naval Research Laboratory (NRL) has highlighted the operational roadmap of its Quantum Science Institute (QSI), aligning the laboratory's research enterprise with national directives under Ex...
IBM and a coalition of research collaborators—including the University of Chicago, Qedma Quantum Computing, Algorithmiq, RIKEN, and BlueQubit—have announced three joint technical demonstrations of qua...
Roadside units (RSUs) supporting connected and autonomous vehicle corridors need compact models to decide when cooperative maneuvers should be rewarded, deferred, or disabled. Raw sensor streams and n...
Insider Brief PRESS RELEASE — Quantum World Congress today announced that Booz Allen will return as Presenting Sponsor of the 2026 Quantum Startup Pitch Competition, strengthening a collaboration focu...
Insider Brief Press release – From our bank accounts to smartphones, all our sensitive data and devices are protected with a technology known as cryptography. Present-day cryptography essentially uses...
Insider Brief Press release — As a recent Executive Order declares, “the United States stands at the cusp of a quantum revolution.”At the U.S. Naval Research Laboratory (NRL) that future is already ta...
High-rate quantum low-density parity-check (qLDPC) codes encode many logical qubits with low physical-qubit overhead, but realizing efficient fault-tolerant computation on such dense encodings remains...
Cloud-accessible quantum computing has made hardware comparison not only a physics benchmark but also a practical purchasing decision. Cost-aware comparison of quantum computers remains underexplored ...
As quantum computing matures, it is critical to benchmark its real-world problem solving performance against competitive classical methods, such as tensor networks. In this work, we leverage the Densi...
We develop a hybrid qubit--qumode algorithm for nonlinear ordinary differential equations of the form $\dot{\mathbf{x}}=\mathbf{f}(\mathbf{x})$ with drift of polynomial degree~$L$. Following the Fokke...
Wave equations provide a natural testbed for near-term quantum simulation of partial differential equations, but hardware demonstrations have remained limited in spatial dimension, equation class, sys...
In the original Hayden--Preskill recovery, the post-injection scrambler and initial state are {\it not related}. We extend this setup in two ways: by using a SWAP gate so that the scrambler and initia...
We show that global optimal control can drastically suppress the impact of decoherence in globally driven superconducting quantum computing architectures, taking as a prototype a recently proposed qua...
Three approaches to the issue of quantum results that can't be verified classically.
Analog quantum processors based on Rydberg atom arrays are a powerful platform for many-body quantum simulation, combinatorial optimization, and graph machine learning. As these devices become increas...
Optimization problems are among the leading candidates for industrially relevant quantum advantage. Decoded quantum interferometry (DQI) has been proposed to tackle approximate optimization, establish...
Insider Brief Press release – Qedma Quantum Computing, a pioneer in quantum error reduction software and IBM (NYSE: IBM) today announced a breakthrough study demonstrating how trusted, error-mitigated...
Insider Brief Press release – Vexlum, the global leader in high-power semiconductor Vertical-External-Cavity Surface-Emitting Laser (VECSEL) technology, has announced the appointment of Dr. Stefan Tru...
Quantum key distribution (QKD) is secure in principle, but practical security can be undermined by discrepancies between real devices and the idealized models assumed in security proofs. Source side c...
We establish an exponential communication advantage enabled by multipartite quantum entanglement. Building on the bipartite Hidden Matching problem, we introduce a communication task involving multipl...
Insider Brief PRESS RELEASE — Cleveland Clinic and IBM researchers are using quantum computing to tackle one of the most challenging problems in immuno-oncology: predicting which tumor mutations will ...
Insider Brief Researchers from Quantinuum, NVIDIA and Pfizer have developed an artificial intelligence system that learns to generate quantum circuits for molecular simulations in a fraction of the ti...
Topological data analysis (TDA) provides a powerful framework for extracting information about the shape of complex, unstructured data, but the classical cost of computing high dimensional topological...
Modular quantum computing is a leading paradigm for scaling quantum computation beyond the resource limitations of monolithic devices. In this architecture, multiple quantum processing units (QPUs), e...
The manipulation of quantum entanglement is fundamentally irreversible: some mixed entangled states require pure entanglement for their preparation, although no pure entanglement can be recovered from...
Demonstrating a practical quantum advantage remains a central goal in quantum information science. While quantum computational supremacy is still technologically demanding, communication complexity of...
The Non-Equilibrium Green's Function (NEGF) is the standard formalism for nano-scale electron transport. By recasting the NEGF scattering problem as a linear system of equations whose solution encodes...
Companies are making sure we have a surplus of options for building qubits.
Multi-degree-of-freedom photonic quantum processing requires routing between degree-of-freedom (DOF) qubit encodings on a single photon. A SWAP between polarization and time-bin qubits is Multi-degree...
Erasure-error detection can improve the efficiency of quantum error correction by revealing the times and locations of their error events. In this work, we demonstrate erasure conversions and mid-circ...
In a study published today in Nature, hardware developer HRL Laboratories—jointly owned by Boeing and General Motors—demonstrated an 18-qubit silicon spin quantum processing unit (QPU) that operates a...
Native multi-qubit gates could reduce the overhead associated with decompositions into single- and two-qubit operations, but whether they can simultaneously provide high fidelity, simple control and r...
Singlet-triplet qubits offer an attractive encoding for semiconductor quantum computing, combining ancilla-free readout, reduced sensitivity to common-mode noise, and baseband voltage control. However...
Understanding the boundaries between quantum thermalization and localization in many-body systems remains a central frontier of condensed matter and quantum information science. In this work, we inves...
Predictive simulations of catalytic interfaces require correlated electronic-structure treatments that describe localized chemical transformations while retaining the influence of the extended metalli...
Insider Brief PRESS RELEASE — HRL Laboratories published a quantum computing milestone in Nature today: a quantum processor that runs itself. Quantum computers normally depend on racks of external ele...
Insider Brief Quantum computers and encryption debates normally revolve around governmental communications, banking systems, or healthcare data. The role of cryptocurrencies remains underexamined; how...
We propose a sparse computational-basis encoding of voxelized molecular geometries that converts molecular reconstruction from full-state tomography into support recovery by computational-basis sampli...
Insider Brief PRESS RELEASE — The EY organization (EY) announces the expansion of its global quantum computing capabilities with the addition of an on-site quantum computer led by EY Canada and part o...
Schematic of the future quantum internet. Credit: Alireza Shabani, © 2026. The Quantum Economic Development Consortium (QED-C), in collaboration with the NSF-funded Center for Quantum Networks (CQN), ...
Trapped-ion quantum hardware developer IonQ (NYSE: IONQ) has secured final regulatory approval to finalize its acquisition of SkyWater Technology (NASDAQ: SKYT), the largest exclusively U.S.-based sem...
The coherent one-way (COW) protocol is a quantum key distribution scheme that has attracted significant attention, leading to the development and commercialization of practical implementations. Despit...
Insider Brief Press release – The Quantum Economic Development Consortium (QED-C) today released a new Quantum Networking Applications Roadmap, identifying the technologies and performance improvement...
Four commercial quantum companies—Infleqtion, Aliro Technologies, Tensora, and Bandelier Technologies—have officially signed on to leverage ABQ-Net, the first open-access, entanglement-based quantum n...
Quantum technologies are devices and systems that exploit the laws of quantum mechanics and could perform tasks that are difficult or impossible to tackle using their classical counterparts. These tec...
Insider Brief Press release – Horizon Quantum Computing Pte. Ltd., the wholly-owned subsidiary of Horizon Quantum Holdings Ltd. (Nasdaq: HQ) (“Horizon Quantum”), a pioneer of software infrastructure f...
Quantum error correction (QEC) developer Riverlane and non-profit research organization Unitary Foundation have launched the Deltakit Community Fund, a quarterly microgrant initiative designed to acce...
Insider Brief PRESS RELEASE — A new concept from Warwick researchers could help solve one of the biggest challenges to building large-scale quantum computers: enabling communication between vast numbe...
Many security proofs for quantum key distribution (QKD) require Bob's measurement to have a tensor-product structure across protocol rounds, with some techniques requiring the stronger independent-and...
We demonstrate an end-to-end hybrid quantum-classical optimisation framework based on Benders decomposition, capable of solving mixed-integer linear programming (MILP) problems. The framework builds o...
This thesis explores the role of modes, states, and symmetries in quantum optics, within the context of quantum information and quantum metrology. It proposes a unified framework to analyze how the mo...
Randomized compiling (RC) is the standard technique for converting coherent (systematic) gate errors into stochastic noise. The prevailing view is that the twirl destroys coherent-error information. A...
We propose a rapid adiabatic passage (RAP) scheme based on level-crossing-free pulses for deterministic generation of multiqubit entangled states in Rydberg atom systems. Unlike conventional RAP proto...
Quantum generative modelling casts sampling as a generative task: a parametrised quantum circuit is trained such that sampling reproduces a target probability distribution. Instantaneous Quantum Polyn...
We investigate microscopic mechanisms underlying decoherence-induced transitions between topologically ordered states. As a first case study, we analyze the color code using topological entanglement n...
Quantum Noise Stream Cipher (QNSC) has emerged as a physical-layer encryption technique that exploits quantum noise and non-orthogonal coherent-state modulation to secure optical communication. Howeve...
Insider Brief PRESS RELEASE — IonQ (NYSE: IONQ), the world’s leading quantum platform company, today received final regulatory approval to complete its acquisition of SkyWater Technology (NASDAQ: SKYT...
The dynamics of a nuclear spin bath generates magnetic noise that is a key contributor to the decoherence of electron spin qubits in electrostatically-defined quantum dots. In this paper, we extend th...
The predictive success of quantum mechanics underpins many areas of modern science, even as the exact simulation of large, interacting quantum systems remains beyond the reach of classical computation...
Absolutely maximally entangled states represent a highly constrained form of multipartite entanglement and play an important role in quantum information theory. We investigate a weaker form of uniform...
Sampling-based proposals are prominent candidates for demonstrating quantum computations beyond the reach of classical supercomputers. However, it has been difficult to combine their complexity-theore...
Quantum error correction (QEC) is indispensable for scalable fault-tolerant quantum computing. However, discovering QEC codes that remain effective is challenging, as logical performance depends on th...
Quantum computers are moving from research laboratories to industrial machines accessible via the cloud and integrated into high-performance computing facilities. However, translating theoretical quan...
Insider Brief Press release – Riverlane, the world leader in quantum error correction (QEC), and the Unitary Foundation, a non-profit dedicated to scaling the open-source quantum ecosystem, today anno...
Insider Brief Press release – Infleqtion (NYSE: INFQ), a quantum computing and quantum sensing company powered by neutral-atom technology, today announced the appointment of Dr. Joseph Buck as senior ...
Insider Brief NordForsk has joined a new international research initiative with G7 funding agencies to support collaborative quantum technology research, committing funding for Nordic participation in...
Insider Brief The finals of the 2026 Quantum Computing for Social Good International Hackathon opened on July 24 in Gia Lai province, bringing together 27 finalist teams comprising nearly 100 contesta...
Insider Brief PRESS RELEASE — Four leading quantum companies have selected New Mexico’s ABQ-Net, the only open-access entanglement-based quantum network in the United States, to develop and validate n...
Insider Brief A proposed quantum machine-learning framework could make larger quantum neural networks easier to train while preserving computations that are difficult for conventional computers to rep...
The quantum superpositions of coherent states offer an alternative to the conventional qubit-based encodings by harnessing the large Hilbert space available in bosonic modes, including those realised ...
Collective excitations in ordered subwavelength atomic arrays can exhibit strongly suppressed radiative decay due to interference between light scattered by neighboring emitters. These so-called subra...
Entangled states of light lie at the heart of photonic quantum technologies, from distributed quantum communication to quantum-enhanced measurement and information processing. Their practical generati...
Insider Brief Uncertain. Uneven. Unready. Hong Kong’s banking sector has begun preparing for quantum computing, but most institutions remain in the early stages of protecting their systems against fut...
Quantum networks play a pivotal role in quantum information science, which not only provide a secure communication platform for remote access to quantum computers but also serve as the strategic core ...
When a photon and one member of an entangled photon pair are jointly projected onto a Bell-state measurement (BSM), the quantum state of the photon can be transferred to the distant partner of the pai...
Mapping quantum phase diagrams through classical simulation is notoriously resource-intensive, as even small systems far from the thermodynamic limit demand prohibitive computational effort. The varia...
We propose a method to enhance Coulomb interaction between charged macroscopic mechanical oscillators by placing a conducting structure in their vicinity. We derive the effective motional dynamics of ...
The coexistence of quantum information and classical signals in a single fiber is essential for future quantum networks that leverage the well-established optical fiber infrastructure. Although multip...
We develop a record-based account of internal time in quantum mechanics, where the formation of a stable record is represented as conditioning on actualized information, and along a history the accumu...
A new concept from Warwick researchers could help solve one of the biggest challenges to building large-scale quantum computers: enabling communication between vast numbers of quantum bits (qubits) ov...
Passive linear optics is a restricted model of quantum computation, with complexity-theoretic evidence of quantum advantage for sampling tasks and low losses that make it attractive for near-term algo...
Optimal control problems arise in a wide range of scientific disciplines, but the corresponding optimization algorithms often display a strong dependence on hyperparameters that significantly influenc...
Variational quantum algorithms offer a promising route to combinatorial optimization, but their applicability is limited by the challenge of encoding large-scale problems within restricted qubit resou...
Quantum resource testing is a fundamental primitive of quantum information processing, profoundly connected to resource manipulation. Its goal is to discriminate $n$ copies of a given resourceful stat...
We show an explicit qutrit channel whose private and quantum capacities both vanish, although it is neither antidegradable nor positive under partial transposition (PPT). This resolves two longstandin...
Variational quantum circuits have been central to many proposed near-term applications of quantum computing, but a growing body of evidence suggests that trainability and quantum advantage are fundame...
Completely positive (CP) matrices are ubiquitous in modern science and technology with applications in optimization, graph theory, and quantum entanglement. Recently, Johnston \emph{et al.} [Linear Al...
Quantum networks can enable distributed computing and sensing. To realize these capabilities securely, quantum identity authentication is essential. Without authentication at the quantum layer, malici...
Quantum communication is a key enabler of next-generation networks, leveraging quantum entanglement to enable a new class of information exchange. While prior work has focused on the theoretical analy...
Insider Brief Press release – Applications are now open for the Tennessee Quantum Hackathon hosted by The Company Lab (CO.LAB) in partnership with the Chattanooga Quantum Collaborative (CQC) and the U...
Entanglement distillation and entanglement swapping have been extensively studied assuming perfect quantum memories. However, near-term quantum networks will be fundamentally limited by quantum memori...
Telecommunications leader AT&T (NYSE: T) has signed a commercial agreement with D-Wave Quantum Inc. (NASDAQ: QBTS) to expand its use of quantum annealing technology across its network infrastructure o...
We investigate thermal quantum correlations in a system of two coupled superconducting spin qubits described by an effective Andreev spin-qubit Hamiltonian in the presence of spin-orbit interaction. U...
Insider Brief PRESS RELEASE — A hybrid quantum-classical computer will soon operate at the Pittsburgh Supercomputing Center, thanks to a $5-million grant from the National Science Foundation. To deliv...
Insider Brief Press release – D-Wave Quantum Inc. (NASDAQ: QBTS), (“D-Wave” or the “Company”), the only dual-platform quantum computing company providing both annealing and gate-model systems, softwar...
Insider Brief Press release – QTREX Quantum Ltd. (Nasdaq: QTEX) (“QTREX” or the “Company”) a company focused on advancing Additively Manufactured Electronics (“AME”) for quantum computing infrastructu...
Insider Brief PRESS RELEASE — Researchers from the Universities of Amsterdam and New South Wales have answered a question that has been around for decades: whether ions of the metal ytterbium can ente...
Insider Brief Over the years, numerous quantum companies have released roadmaps proposing how they plan to move their technologies into the marketplace over the coming months and years. Now, in what i...
Free-space quantum key distribution (QKD) provides crucial advantages, including mobility and deployment flexibility, for securing next-generation communication networks. However, practical free-space...
Insider Brief Press release – Bloq Quantum, a leading provider of enterprise quantum software infrastructure, today announced a strategic partnership with QClairvoyance, a premier firm dedicated to re...
Quantum Computing Inc. (QCi) has appointed Susan Hunt as Chief Revenue Officer (CRO). Hunt brings over 30 years of experience in enterprise sales and go-to-market execution across AI, cloud computing,...
Quantum software provider Quantum Elements has released Orbit, an advanced error suppression tool accessible as a Qiskit Function in the IBM Qiskit Functions Catalog. Designed to streamline noise mana...
Quantum software provider Qedma has announced a technical integration with Quantinuum, making its Quantum Error Suppression and Error Mitigation (QESEM) platform directly available across Quantinuum’s...
Quantum computing and sensing company Infleqtion (NYSE: INFQ) has announced plans to deploy its fault-tolerant, neutral-atom quantum computer—Sqale—at the Illinois Quantum & Microelectronics Park (IQM...
The computational workflow of defect candidate search with critical parameters. An international research team led by Professor Hosung Seo at Sungkyunkwan University (SKKU)—in collaboration with resea...
Quantum technology firm Terra Quantum and software-defined vehicle (SDV) provider Apex.AI have validated the integration of NIST-standardized post-quantum cryptography (PQC) into cloud-connected, auto...
Guest Post by By Somtochukwu Igwegbe More than two trillion dollars moved through mobile money worldwide in 2025, and roughly two-thirds of that value flowed through sub-Saharan Africa, according to G...
Insider Brief Most quantum computers rely on extreme cooling to keep their qubits stable. Photonic quantum computers take a different route by using photons, particles of light, as the carriers of qua...
Post-selected stabilizer state preparation is a necessary subroutine in fault-tolerant quantum computation, both for initialization of logical qubits, and for logical-ancilla-based error correction ga...
The promise of quantum computing is to solve complex problems faster and more energy-efficiently than today's supercomputers—from optimizing logistics to simulating molecules. This goal is coming with...
Quantum state preparation is a key component of many quantum algorithms. Performing this step efficiently is essential for realizing practical quantum advantage in quantum chemistry applications. Iter...
Quantum networks promise secure communication, distributed sensing and modular quantum computing by interconnecting distant quantum nodes through photonic links. Extending such networks beyond metropo...
This is a short study of an approach offering high tolerance to damage (i.e. defects or 'drop outs') in solid state fault-tolerant quantum computing. Our method is primarily aimed at semiconductor ele...
We introduce Quantum-Informed Surrogate Sampling (QISS), a post-processing framework that generates candidate solutions to combinatorial optimization problems from low-weight correlations of shallow q...
Insider Brief PRESS RELEASE — A research team led by SKKU Professor Hosung Seo of the Department of Quantum Information Engineering and the SKKU Advanced Institute of Nanotechnology, working with the ...
Tantalum has been demonstrated as a promising material for superconducting qubits. However, comparatively little attention has been given to its nitrides. Tantalum nitride exhibits a range of stoichio...
A research team led by SKKU professor Hosung Seo of the Department of Quantum Information Engineering and the SKKU Advanced Institute of Nanotechnology, working with the University of Wisconsin–Madiso...
Insider Brief Quantum computing is often portrayed as a race to build better qubits, but this is just part of the bigger challenge. Beneath every qubit is an endeavor to find the right material that c...
Insider Brief Press release – The Washington Institute for STEM, Entrepreneurship and Research (WISER) announces the successful completion of a research collaboration with E.ON on energy demand foreca...
Insider Brief Press release – Digital Catapult has today welcomed eleven leading organisations to the third cohort of its Quantum Technology Access Programme (QTAP), delivered in collaboration with th...
Insider Brief Press release – Terra Quantum, a global leader in quantum technologies, and Apex.AI, a leading provider of safe and secure software for software-defined vehicles and intelligent machines...
Capacitive loading has emerged as a major obstacle to scaling fluxonium qubits from one-dimensional to highly connected two-dimensional (2D) architectures, yet its physical origin remains poorly under...
Guest Post By Sudiptaa Paul Choudhury is Chief Marketing Officer at QNu Labs, a global leader in quantum cybersecurity, TEDx speaker and a LinkedIn Top Voice. Quantum computing has stopped being a lab...
Insider Brief PRESS RELEASE — Bloq Quantum, a leading provider of enterprise quantum software infrastructure, today announced a strategic partnership with the Department of Electronics and Communicati...
By Doug Finke IBM Quantum’s announcement about their intended acquisition of HRL Laboratories is quite important and a little surprising. But if you look at this further, there are good reasons why th...
High-dimensional qudit (i.e., $d$-level or $d$-state) systems outperform two-dimensional qubit (i.e., 2-level or 2-state) systems in some quantum information processing tasks. We exploit entanglement ...
A quantum battery is a novel energy storage device that operates on the principles of quantum mechanics. To enhance the charging performance of quantum batteries and further provide theoretical suppor...
Photonic quantum sensing often uses low-rank entangled probes such as Greenberger-Horne-Zeilinger (GHZ), Bell, and NOON states. Although these probes are ideally rank-1, practical quantum state tomogr...
We give, to our knowledge, the first plain-model, one-time information-theoretically secure, efficient unclonable encryption scheme for one classical bit. Previous work by Bhattacharyya and Culf (Natu...
Sending quantum information through a chain of qubits, like energy through a Newton's cradle, could be the key to faster operations and take quantum computing to the next level.
Silicon spin qubits are a leading platform for scalable quantum computing, but their performance is limited by charge noise, widely attributed to two-level fluctuators (TLFs). The location of individu...
Insider Brief Press release – Today, the Illinois Quantum and Microelectronics Park (IQMP) and the Quantum STrategic industry Alliance for Revolution (Q-STAR) announced a new partnership to strengthen...
To maximize the value of fault-tolerant quantum computers, it is essential to develop concrete applications beyond well-established domains such as chemistry and condensed-matter physics. Here we cons...
Entanglement purification protocols (EPPs) are essential for improving entanglement fidelity to support fault-tolerant distributed quantum information processing. Practical entanglement sources are of...
We present a strategic plan for neutral atom quantum computation, bringing together hardware development and theory advancements to achieve the goal of practical quantum advantage. The concept of prac...
Variational quantum algorithms are a leading approach to near-term quantum computing, but their scalability can be limited by barren plateaus and the sampling cost of resolving small changes in the lo...
Formal verification is becoming increasingly practical for quantum computing, yet the ability of AI agents to construct machine-checkable proofs in this domain remains unmeasured. We introduce Lean-Qu...
Chiral quantum light-matter interfaces, where the internal spin state of a quantum emitter determines the direction in which it emits, are essential building blocks of non-reciprocal quantum devices, ...
Financial fraud detection is challenged by decentralized data, severe class imbalance, and privacy constraints. This paper presents QuantumChain, a secure Quantum Federated Learning (QFL) framework th...
IBM (NYSE: IBM) has signed a definitive agreement to acquire HRL Laboratories, LLC (HRL), the Malibu-based research and development institution jointly owned by Boeing and General Motors. The acquisit...
Insider Brief The White House’s new science strategy proposes a different way of organizing American innovation, one that could reshape how the U.S. quantum sector develops over the next decade. Yet m...
Entanglement distillation is a fundamental task in quantum information theory. In this work, we prove that Werner states in arbitrary dimension are 2-copy distillable if and only if they are 1-copy di...
Implementing controlled dissipative dynamics is a powerful approach for state preparation in a variety of contexts, including the preparation of remote entangled states. Here, we show that by going be...
Recent experiments on quantum computers have challenged the limits of classical computation in chemistry, simulating ground states of strongly correlated molecules. Many of these experiments have util...
Insider Brief Press release – Infleqtion (NYSE: INFQ), a global leader in quantum computing and quantum sensing powered by neutral-atom technology, announced it will deploy its fault-tolerant, neutral...
Quasiparticles are a prominent decoherence source in superconducting qubits, but their effects are notoriously difficult to isolate in fluxonium. Unlike a transmon, fluxonium is insensitive to offset ...
Repeated-interaction machines distinguish heat-like from work-like resources through the steady states they generate, but whether topology can control this distinction remains unknown. Here we reveal ...
This podcast also explores the intersection of general relativity and quantum information The post Quarks and qubits: how quantum computing could transform particle physics appeared first on Physics W...
Insider Brief Press release – Quantum Elements, a provider of AI-powered digital twins for quantum computing developers, today announced that Orbit, an advanced quantum error suppression tool, will be...
As quantum key distribution (QKD) progresses from laboratory demonstrations toward practical deployment, quantum communi- cation networks increasingly require higher key rates and the ability to distr...
Insider Brief Press release – D-Wave Quantum Inc. (NYSE: QBTS) (“D-Wave” or the “Company”), the only dual-platform quantum computing company providing both annealing and gate-model systems, software a...
Insider Brief Press release – Qedma today announced an integration with Quantinuum’s platform that will allow customers to use its advanced error mitigation on industry-leading quantum computing hardw...
Neutral atom quantum systems offer a promising pathway to large-scale quantum computing due to high qubit uniformity and flexible connectivity. To exploit this architecture, compilers must coordinate ...
Insider Brief Hitachi has launched a government-backed research effort with Intel K.K. and Japan‘s National Institute of Advanced Industrial Science and Technology, or AIST, to develop silicon-based q...
Insider Brief Press release – Zero Point Cryogenics (ZPC), one of only six companies worldwide that designs and manufactures the cryogenic infrastructure quantum technologies rely on, is opening its f...
Insider Brief PRESS RELEASE — Quantum information is notoriously fragile. Internet traffic is anything but. Yet Northwestern University scientists have demonstrated they can peacefully coexist inside ...
Digital asset and data center infrastructure firm Galaxy Digital Inc. (Nasdaq: GLXY) has announced the launch of the Galaxy Bitcoin Quantum Readiness Initiative. The multi-pillar program is designed t...
Rice University has officially joined the U.S. Department of Energy’s (DOE) Quantum Science Center (QSC), expanding its footprint in national fault-tolerant quantum computing R&D. Headquartered at Oak...
Digital trust and Public Key Infrastructure (PKI) management provider Keyfactor has announced an expansion of its Global Partner Program. The program is designed to equip systems integrators, hypersca...
Japan’s flagship research institute, RIKEN, has initiated operations for ROQUO, a new hybrid Quantum-HPC supercomputer located at the RIKEN Center for Computational Science (R-CCS) in Kobe. Constructe...
Insider Brief PRESS RELEASE — Taiyi Quantum, a Shanghai-based quantum computing company developing fault-tolerant quantum computers based on ytterbium neutral atoms, has completed a RMB 300 million (a...
Quantum-kernel methods encode a dataset's geometry in a Gram matrix, so learning claims on hardware kernels assume the intended geometry survives execution. We measure that survival for one frozen fou...
Sympathetic cooling of data qubits by coolant ions is an essential technique for trapped-ion quantum computing. Conventionally a second ion species is used, requiring additional lasers and complicatin...
Insider Brief Press release – Infleqtion (NYSE: INFQ), a global leader in quantum computing and quantum sensing powered by neutral-atom technology, announced it has been awarded three projects to acce...
We study the dynamics of quantum entanglement between two harmonically trapped electrons interacting via the electromagnetic force. Starting from two-mode Gaussian states at thermal equilibrium, we ma...
Insider Brief Researchers have developed a new framework that uses the geometry of quantum states to help quantum machine learning models retain previously learned knowledge while acquiring new tasks,...
Photonic quantum computing developer PsiQuantum has signed a $125 million expanded tasking agreement with the Defense Advanced Research Projects Agency (DARPA) under the Quantum Benchmarking Initiativ...
Insider Brief Press release – BTQ Technologies Corp. (“BTQ“ or the “Company”) (Nasdaq: BTQ) (CBOE CA: BTQ), a global quantum technology company focused on securing mission-critical networks, today ann...
We propose a protocol for preparing mechanical Schrödinger kittens -- mesoscopic quantum superpositions of coherent motional states of an optically levitated nanoparticle -- by adhering single electro...
Insider Brief Press release – Keyfactor, the leader in trust infrastructure for AI and machines, today announced a major expansion of its Global Partner Program, designed to help partners capitalize o...
Insider Brief Press release – Quantum Computing Inc. (“QCi” or the “Company”) (Nasdaq: QUBT), a vertically integrated quantum company pioneering photonics and semiconductor manufacturing, today announ...
Qubits with strongly biased noise, in which phase-flip errors are orders of magnitude more frequent than bit-flips, arise both naturally, as in electron and nuclear spins, and by engineering, as in st...
Insider Brief PRESS RELEASE — PsiQuantum today announced that the company has signed a new $125 million expanded agreement with the Defense Advanced Research Projects Agency (DARPA) under DARPA’s Quan...
Matter-wave Bell interferometers provide a sensitive probe of mass-dependent decoherence in entangled quantum systems. The degree of entanglement is obtained from the Bell-correlation amplitude of thi...
Insider Brief PRESS RELEASE — Quantinuum (NASDAQ: QNT) and SoftBank Corp. (“SoftBank”) today announced the publication of “Quantum Computing Frontiers,” a joint white paper that maps two commercially-...
In this Letter, we theoretically propose an alternative scheme for generating vortex optical squeezing, based on the Raman scattering process in a coherently prepared medium, distinct from approaches ...
Quantum teleportation is a key protocol for transmitting quantum information using entanglement and classical communication. Its reliability is constrained by both the availability and fidelity of sha...
In this work, we investigate the quantum entanglement properties of analog Hawking radiation produced by a moving mirror. Using two detector modes defined through window functions on a quantum field, ...
Quantum nonlocality based on the violation of Bell-like inequalities constitutes a fundamental feature of quantum physics and drives the development of device-independent (DI) quantum information tech...
We propose a minimal quantum-optical scheme for generating hybrid entanglement between photon polarization and electronic orbital angular momentum in a semiconductor quantum disk. A spin--orbit struct...
In a joint white paper published today, Quantinuum (NASDAQ: QNT) and Japan-based telecommunications conglomerate SoftBank Corp. have outlined a strategic timeline mapping industrial quantum chemistry ...
German quantum computing startup SAXON Q has announced the commercial release of the SXQ128 (128 qubits) and the SXQ512 (512 qubits), marking the first diamond-based nitrogen-vacancy (NV) center quant...
Insider Brief Galaxy Digital has launched the Galaxy Bitcoin Quantum Readiness Initiative, committing up to $5 million toward developer grants, a dedicated research program, and a new advisory council...
The Variational Quantum Eigensolver (VQE) is a leading algorithm for estimating molecular ground-state energies on near-term quantum hardware, with applications spanning quantum chemistry, materials s...
Quantum simulation of open quantum systems offers a pathway towards better understanding various non-equilibrium physics that would otherwise be challenging to study. Most open quantum systems studied...
This paper introduces an interactive music system with quantum musical agents that communicate by teleporting quantum states to one another. Human performers interact in real time with agents whose me...
Quantum key distribution (QKD) allows for provably secure key distribution between two trusted parties. Because the security and performance of QKD protocols rely on devices that behave according to s...
Insider Brief The U.K. government has elevated artificial intelligence to the center of policymaking by giving its AI minister a seat in Cabinet while abolishing the Department for Science, Innovation...
Insider Brief Press release – The Singapore Armed Forces (SAF) Digital and Intelligence Service (DIS) and Defence Science and Technology Agency (DSTA) have partnered IBM to explore the use of quantum ...
Insider Brief Researchers have experimentally demonstrated a new type of superconducting quantum circuit that reproduces a long-predicted gauge symmetry believed to be a key ingredient for future topo...
Insider Brief PRESS RELEASE — Photon Queue, a quantum technology company building high-efficiency quantum memories for next-generation quantum computing systems, today announced the close of its overs...
While entanglement is known to enable exponential improvements in the sample complexity of quantum learning, it remains unclear which properties of entangled resources are responsible for such improve...
While decoherence is known to erode classical hardness in quantum random sampling, the impact of coherent spatial disorder remains an open question. We study a square-lattice instantaneous quantum pol...
Insider Brief A hybrid quantum-classical approach to fine-tuning artificial intelligence models could eventually consume less energy than classical simulation while matching or surpassing several conv...
The Dicke model provides a fundamental description of collective light-matter interactions and has long served as a testbed for exploring a wide range of physical phenomena in quantum optics and conde...
A driven qubit exchanges energy with the propagating modes that drive it. When two spatially separated modes drive a single qubit with opposite amplitudes, their net action on the qubit cancels. Yet t...
This post was contributed by Dimitar Trenev, Sebastian Stern, Tyler Takeshita, Cedric Lin, Peter Komar, Pooja Rao, Jerome Gonthier, and Elica Kyoseva. As quantum computing matures toward fault toleran...
Real-time decoding is a critical bottleneck for large-scale fault-tolerant quantum computing. AI-based neural pre-decoders locally correct most physical errors before passing residual syndromes to a g...
We construct and experimentally implement compact gate-native circuits that simulate the state-transfer interference underlying three- and four-level chiral-resolution protocols. Both models are encod...
Variational Quantum Algorithms (VQAs) are a leading paradigm for near-term quantum computing, combining parameterized quantum circuits with classical optimization across quantum chemistry, combinatori...
We investigate the topology of the set $\mathsf E$ of entangled bipartite density operators acting on $\mathbb{C}^{n_1}\otimes\mathbb{C}^{n_2}$. We start by showing that $\mathsf E$ is path-connected,...
Insider Brief Press release – Maybell Quantum today announced it will establish operations at the Roadrunner Quantum Lab Powered by the State of New Mexico. Maybell will expand into the state with new...
Circuit cutting promises to scale quantum computations beyond current hardware, but variational quantum advantage also requires low cutting overhead, classical hardness, and trainability. We show that...
Insider Brief Press release – The Israel Innovation Authority has launched a new call for proposals to establish a national research and development infrastructure that will provide Israeli industry a...
Pauli-based simulators offer a promising route to large-scale classical simulation of quantum circuits in the low-magic regime. Yet their applicability remains largely limited to forward simulation, m...
We provide a formal framework for Continuous-Variable Quantum Computing (CQC). While CQC is supported by photonic quantum hardware, we are not aware of a formal semantics for continuous-variable quant...
Quantum machine learning on real noisy intermediate-scale quantum (NISQ) hardware has remained largely confined to binary or few-class tasks, limited by the cost of on-hardware training and the underu...
Quantum key distribution (QKD) over non-stationary channels, such as satellite links, is characterized by short, high-loss, and strongly fluctuating transmission windows that produce sparse detection ...
Insider Brief Quantum Computing Inc. has filed a registration statement with the U.S. Securities and Exchange Commission to register an additional 13.5 million shares of common stock for issuance unde...
Insider Brief PRESS RELEASE — The U.S. Department of Energy’s (DOE) Office of Isotope R&D and Production (IRP), within the Office of Science, today announced a major, multi-laboratory breakthrough in ...
Insider Brief PRESS RELEASE — IQM Quantum Computers (Nasdaq: IQMX), a global leader in full-stack superconducting quantum computers, today published the results of a research collaboration with Deutsc...
Bell nonlocality is both a defining signature of entanglement and a key quantum information resource. However, visualizing and certifying nonlocal correlations across a spatially multimode photonic fi...
Parametric frequency modulation is a standard tool in superconducting circuits for activating tunable interactions and implementing quantum gates. Here, we engineer dissipation in a flux-tunable trans...
By applying the framework of entropic uncertainty relation (EUR) and the Quantum Leftover Hash Lemma (QLHL), we introduce a security-proof method for variable-length side-channel-secure (SCS) quantum ...
We develop a sparse operator-centric realization of $n$-qubit variational quantum algorithms in the complex Clifford algebra $\mathrm{Cl}(2n,\mathbb{C}) \cong M(2^n,\mathbb{C})$. Density operators, ga...
The inevitable leakage of energy and information from a quantum system into its surrounding environment is the enemy of quantum technology. Now, researchers have demonstrated that it can be exploited ...
Pasqal has appointed Mark Armstrong as Chief Commercial Officer for Europe, the Middle East, and Africa (EMEA) and the Asia-Pacific region (APAC). Armstrong joins from Hewlett Packard Enterprise (HPE)...
Singapore-based quantum-safe cybersecurity startup pQCee has raised $3.9 million in a seed funding round. The investment reflects a significant shift as commercial and government entities transition p...
The Chattanooga Quantum Collaborative (CQC) has launched TN QuantumWorks, one of the United States' first comprehensive K–12 quantum technology and career awareness education initiatives. Developed by...
A multi-institutional collaboration including Quantinuum, the University of Chicago Pritzker School of Molecular Engineering (UChicago PME), Harvard University, and Stony Brook University has successf...
The UK's deep-tech innovation accelerator Digital Catapult has welcomed 11 commercial and public organizations to the third cohort of its Quantum Technology Access Programme (QTAP). Delivered in tande...
The European Space Agency’s Centre for Earth Observation (ESA-ESRIN) has announced the physical installation of its first on-premises quantum computer at its data center in Frascati, Italy. Procured t...
IBM has announced two major advancements this past week, spanning both its quantum hardware and software ecosystems. Hardware: 25x Faster Qubit Resets On the hardware front, IBM achieved a 25x speed i...
Quantum LPDC codes provide a substantial reduction in qubit overhead required for fault-tolerant quantum computation compared to surface code, thanks to their high encoding rate. However, operating si...
Interactions of cosmic rays and other forms of ionizing radiation pose a significant challenge to the reliable operation of state-of-the-art quantum devices and error correction in quantum computing b...
While quantum computers promise to solve classically intractable problems, identifying the point at which fault-tolerant quantum computation outperforms the best classical algorithms for practical app...
Characterizing the Hamiltonian that a quantum processor actually implements is central to calibrating and validating current quantum hardware. Many devices, however, operate with generators that are t...
We give a closed-form construction of the $n$-qubit Elegant Joint Measurement (EJM) proposed in [PRL \textbf{136}, 190201 (2026)] and show that it is part of a tunable family of measurements with tetr...
Hybrid quantum systems offer a route to combining the complementary strengths of distinct quantum platforms while mitigating their limitations. A particularly promising architecture combines neutral a...
Quantum computers, systems that process information using the principles of quantum mechanics, could solve some problems that cannot be tackled by the classical computers currently used worldwide. Des...
A significant challenge in the field of large-scale fault-tolerant quantum computation is the influence of noise. In addition to the influence of noise on individual qubits, the smaller additional eff...
Insider Brief Press release – As quantum technology reshapes industries ranging from cybersecurity and advanced manufacturing to healthcare, logistics, finance, energy and artificial intelligence, Ten...
The Variational Quantum Eigensolver (VQE) and its adaptive variants, such as ADAPT-VQE, are central to the study of strongly correlated quantum systems. However, the classical simulation of the ansatz...
In contrast to a classical bit, which can only take the value $0$ or $1$, its quantum counterpart -- a qubit -- can exist in a superposition of $0$ and $1$. This is a superposition of data values, nat...
Insider Brief PRESS RELEASE — A truly useful quantum computer must be able to run any algorithm at all, with the same versatility an ordinary laptop offers. Physicists have now shown a new way to give...
Across public tabular benchmarks, quantum machine-learning (QML) models usually lose to carefully tuned classical baselines. We argue that this is a structural property of the datasets rather than mer...
Quantum computing and quantum simulation with ultracold neutral atoms require Rydberg excitation of individual atoms in atomic arrays. Rydberg states are extremely sensitive to external electric field...
New measurements and a tool from quantum metrology provide new insights into metals with unusually high electrical resistance The post Quantum entanglement explains why strange metals are so strange a...
Insider Brief pQCee Pte Ltd (pQCee), a leading provider of quantum‑safe cybersecurity technologies, today announced that it has raised US$3.9 million in its latest Seed funding round. The round was co...
We consider whether every quantum random access code (QRAC) with density-operator encodings and arbitrary decoding measurements obeys the conjectured bound $p\leq(1+\sqrt{m/n})/2$, where $n$ classical...
Neutral-atom arrays and trapped-ion crystals offer complementary strengths for fault-tolerant quantum computing but lack a fast way to deterministically interact. Here we propose a controlled-$Z$ gate...
Learning a classical description of a quantum state is a fundamental task in quantum computation. Among the most important classes of quantum states are stabilizer states, which play a central role in...
In this work, we establish a structural correspondence between quantum states and matroid theory. This connection demonstrates that key properties of quantum states, including entanglement and measure...
Alternating Current Optimal Power Flow Unit Commitment (AC-OPF-UC) is a difficult mixed-integer nonlinear optimization problem that combines binary generator commitment decisions with nonconvex contin...
In the Hayden--Preskill protocol, the decoder is usually assumed to know the microscopic identity of the collected output qubits. We study what happens when these labels are unavailable and only the r...
We characterize and compare the inherent interpretability offerings of a standard linear model with a single qubit mixed state model for the task of supervised binary classification. A side by side co...
Quantum entanglement is the fundamental hallmark of quantum mechanics and a core resource for realizing long-distance quantum communication and scalable linear quantum computing. Accordingly, the prec...
Insider Brief Press release – Researchers at Quantum Source Labs, an Israeli quantum computing company, in collaboration with the Israel Directorate of Defense Research & Development (DDR&D), today an...
Kerala, India-based quantum software provider Bloq Quantum has announced a strategic partnership with MIUUL, a premier technology training and skilling ecosystem in Turkey. The collaboration marks Blo...
Subspace Quantum Diagonalization (SQD) recovers ground-state energies by classically diagonalizing a Hamiltonian in the subspace spanned by quantum samples, requiring only bitstrings with sufficient g...
Insider Brief Press release – Digital Catapult has today welcomed eleven leading organisations to the third cohort of its Quantum Technology Access Programme (QTAP), delivered in collaboration with th...
Low-overhead quantum error-correction schemes are essential for enabling quantum computation on registers containing multiple logical qubits. For planar architectures with limited nearest-neighbor qub...
Insider Brief Press release – Haiqu, a leading developer of quantum application software, today announced that Denise Ruffner, a veteran quantum commercialization strategist, is joining the company as...
We study a finite-time quantum information engine in which a two-level system is measured by a quantum harmonic oscillator acting as a meter and where useful work is extracted conditionally on the mea...
Exact fermion to qubit transformations are conventionally regarded as algorithmic tools that translate many-body Hamiltonians into qubit representations for quantum simulation. Here we show that they ...
Gauge theories and quantum error-correcting codes share the same underlying structure: both use constraints to identify a specific subspace of the full Hilbert space. In quantum error correction, thes...
Quantum remote control, also known as quantum remote implementation of an operator (QRIO), enables the remote manipulation of an arbitrary quantum state by implementing a desired quantum operation at ...
Insider Brief Press release – Bloq Quantum, a leading provider of enterprise quantum software infrastructure, today announced a strategic partnership with MIUUL, a premier technology training and skil...
The Navascués-Pironio-Acín (NPA) hierarchy provides a convergent sequence of semidefinite programming (SDP) relaxations for noncommutative polynomial optimisation, ubiquitous in quantum physics. Howev...
Insider Brief Press release – ESA-ESRIN, the European Space Agency’s Centre for Earth Observation, has welcomed its first quantum computer. The computer’s quantum processing capabilities will be merge...
Insider Brief PRESS RELEASE — Quantum technology startup Arq has raised a $1.4 million pre-seed round led by Ground State Ventures, joined by Big Sur Ventures, to accelerate the development of the qua...
Insider Brief A Louisiana State University-led team of researchers have demonstrated what they describe as a new class of room-temperature quantum materials that can distinguish between different type...
Quantum key distribution (QKD) can provide secret keys with security rooted in quantum mechanics, but operation alongside high-capacity classical traffic remains limited by the excess-noise budget of ...
By Aldo Romero, Professor of Physics and Astronomy, West Virginia University The Conversation Imagine shining a flashlight across a dark room. You can predict exactly what the light will do: travel in...
Insider Brief PRESS RELEASE — Mind Success, a startup focused on predictive modeling for quantum technologies, has launched two software platforms aimed at accelerating quantum hardware development by...
Scalable quantum computing architectures increasingly rely on multi-core designs, where qubits are distributed across multiple processing cores interconnected through a quantum Network-on-Chip (NoC). ...
The International Organization for Standardization (ISO) has officially integrated the Classic McEliece algorithm into its asymmetric cipher standard (ISO/IEC 18033-2). Pioneered by UK-based cybersecu...
Based on a photonic computing platform, we experimentally validate a generalized variational quantum linear solver (VQLS) by systematically solving four-dimensional linear equation systems across diff...
Insider Brief PRESS RELEASE — Following a landmark year for U.S. quantum policy and innovation, the Quantum Economic Development Consortium (QED-C®) brought together senior government officials, bipar...
Hybrid continuous-discrete-variable quantum processors can represent bosonic degrees of freedom directly in oscillator modes, or qumodes, while using qubits for control, readout, and nonlinear operati...
Understanding the properties of defects is imperative for proper use for variety of applications including quantum computing. In this paper, we use the multiconfigurational self consistent field (MCSC...
The monogamy of quantum entanglement, applied by Almheiri-Marolf-Polchinski-Sully (AMPS) to black holes, obstructs a smooth horizon vacuum after the Page time. We transcribe this argument to Hawking-l...
Schrödinger cat states provide a hardware-efficient platform for bosonic quantum error correction by encoding logical information in protected manifolds of harmonic oscillators. While previous work ha...
Italian hardware developer Planckian has signed a strategic development agreement with Los Angeles-based startup Quantum Elements. The partnership will focus on constructing architecture-specific nois...
Insider Brief PRESS RELEASE — Aqarios Quantum Technologies AG has begun trading on the Düsseldorf Stock Exchange following the completion of a special purpose acquisition company (SPAC) transaction, a...
Quantum phase transitions provide a controlled route for generating many-body excitations, but the dynamics after the critical point can be as important as the initial defect creation. Recent progress...
Scalable quantum computing is limited by the dense network of electrical interconnects linking cryogenic quantum processors to room-temperature control electronics. To overcome this bottleneck, consid...
The field of quantum machine learning (QML) evolved to value models believed to most directly rival those providing utility in classical ML, namely large-scale neural networks. Although more recently,...
The Elliptic Curve Discrete Logarithm Problem (ECDLP) is a fundamental problem in cryptography, and reducing the resource requirements of quantum algorithms for solving ECDLP is an important goal. In ...
Insider Brief Press release – Pasqal, a global leader in neutral-atom quantum computing, today announced the appointment of Mark Armstrong as Chief Commercial Officer for Europe, the Middle East, and ...
We present a framework for foliating any Pauli-based quantum error-correcting code over prime-dimensional qudits. For any such code, we obtain a qudit graph state that can be measured to perform fault...
The potential capabilities of quantum computers motivated the development of cryptographic protocols suitable for securing communication against adversaries with access to large fault-tolerant quantum...
This thesis investigates the application of machine-learning methods in the context of quantum computing and neutrino physics, with particular emphasis on the construction of effective representations...
Multipartite Bell nonlocality is a central resource for device-independent quantum information protocols, but its practical certification is inevitably affected by imperfect measurements. We analyze h...
Insider Brief Press release – SES, a space solutions company, jointly with Airbus Netherlands B.V. signed a ground lease agreement with the Dutch municipality of Noordwijk for a plot at the NL Space C...
Insider Brief Press release – It’s proven that today’s encryption is vulnerable to attack by a sufficiently mature quantum computer running Shor’s algorithm – a catastrophic event commonly known as Q-...
Insider Brief Press release – Economic Development New Mexico’s Technology & Innovation Office (TIO) has awarded $1.2 million to six companies through the New Mexico Quantum Technologies Award, a comp...
Insider Brief IBM reaffirmed its commitment to quantum computing and artificial intelligence even as it reported weaker-than-expected preliminary second-quarter financial results and acknowledged exec...
Insider Brief The U.S. National Science Foundation (NSF) announced today that Connecticut is one of twelve regions selected to receive an NSF Regional Innovation Engines (NSF Engines) award, joining a...
Insider Brief NVIDIA has released an open-source AI-based quantum error correction decoder that the company says substantially improves the speed and accuracy of decoding one of the most promising but...
Quantum coherence is a fundamental quantum resource whose preservation under environmental interactions is essential for quantum information processing. While most studies have focused on basis-depend...
Levitating electron qubit on the surface of solid neon has recently emerged as a promising and intrinsically noise-resilient platform for quantum information processing. Their ultra-clean, inert envir...
Quantum sensing estimates a physical parameter encoded in the state of a probe; with independent spin probes the precision follows the standard quantum limit. Studies of sensing precision often assume...
Quantum algorithms solve certain computational problems faster than the best known classical algorithms. Many algorithms, including Shor's for factoring, Grover's for unstructured search, and the HHL ...
Rotational irrigation scheduling in water-scarce Central Asia is a densely coupled combinatorial problem: soil-moisture memory links each irrigation decision to all later days within a zone, field adj...
Hybrid quantum-classical application performance is increasingly limited by classical control, host-to-QPU communication, and scheduling rather than quantum execution. Existing simulators and runtime ...
Fault-tolerant quantum computing requires a continuous hybrid quantum error correction (QEC) pipeline comprising measurement readout, syndrome transport, decoding, feedback, and control. Existing QEC ...
Large ion crystals in diverse geometries are a key resource for quantum simulation experiments. In this work, we introduce a macroscopic rf trap that supports a wide variety of one-dimensional ion con...
Quantum Processing Units promise speed-ups for selected computational problems, including combinatorial optimisation, but their industrial utility remains an open challenge. We study an industrial var...
Quantum networking software provider Aliro Technologies and Austrian quantum scale-up zerothird have announced a joint quantum-safe networking deployment with Cisco. Conducted at the Cisco Photonics C...
Quantinuum (NASDAQ: QNT), Rolls-Royce, Riverlane, and EPCC (the UK National Supercomputing Centre at the University of Edinburgh) have announced a multi-year collaboration to develop hybrid quantum-cl...
In quantum information systems made of optical tweezer arrays of ultracold molecules, thermal motion of molecules degrades the coherence of their interactions, which limits entanglement fidelity and t...
Efficient communication between distant qubits is one of the central challenges in scaling quantum processors. Although engineered spin chain protocols have been extensively investigated theoretically...
Photonic quantum computing company Xanadu (NASDAQ/TSX: XNDU) and Lockheed Martin (NYSE: LMT) have expanded their partnership to scale quantum training and workforce development. Under this strategic e...
Parameterized quantum circuits~(PQCs) constitute a central building block of variational quantum algorithms~(VQAs) and quantum machine learning~(QML) methods. Existing ansatz designs often adopt hardw...
Neutral-atom quantum processors are rapidly scaling toward system sizes of more than ten thousand qubits, allowing for the realization of a new class of quantum computing algorithms and quantum simula...
Unlike in finite dimensions, quantum information in continuous-variable systems has the peculiar feature that without imposing physical constraints, the sample complexity of state tomography can be un...
A central model in quantum machine learning is the quantum neural network (QNN), whose design requires balancing expressivity and trainability. Technically, expressivity is studied through circuit-fun...
Logical entangling gates are a major source of physical spacetime overhead in fault-tolerant quantum computation. Phantom codes reduce this cost by implementing every ordered in-block logical CNOT thr...
Insider Brief Press release – Photon Queue, a quantum technology company building high-efficiency quantum storage for next-generation quantum computing systems, today announced it has received $500,00...
Quantum key distribution (QKD) promises information-theoretically secure communication, but future networks must bridge fiber and free-space links that naturally employ different photonic encodings, n...
This article explores the potential of Quantum Machine Learning (QML), specifically assessing a Quantum Support Vector Machine (QSVM) and a Variational Quantum Classifier (VQC) for detecting anomalies...
Future quantum computing will require correlations between distant modules—a feature known as distributed entanglement. Traditionally, such entanglement has relied on active control and repeated measu...
We present a variational quantum framework for finite-horizon quantum control based on hardware-efficient ansätze. The objective is to steer a quantum system from a given initial state to a desired ta...
Post-quantum cryptography (PQC) and data-security software developer QuSecure Inc. has listed its QuProtect R3 encryption modernization platform on the Amazon Web Services (AWS) Marketplace for the U....
Photonic quantum hardware developer QuiX Quantum has announced the commercial launch and physical delivery of Carina, a universal photonic quantum computing architecture designed for data center deplo...
Quantum circuit optimization for fault-tolerant computing requires exact functional equivalence while minimizing expensive non-Clifford resources such as T gates. We study this problem using a compact...
Thermal noise ordinarily suppresses quantum entanglement. We show that a strong non-Abelian conservation law can convert local thermal fluctuations into an unbounded operational resource. For a broad ...
Quantum PDE solvers are difficult to evaluate in practice because published studies use different discretizations, output models, reconstruction rules, and hardware assumptions. We present a reproduci...
Insider Brief Press release – Xanadu Quantum Technologies Limited (“Xanadu”; NASDAQ/TSX: XNDU), a leading photonic quantum computing company, and Lockheed Martin (NYSE: LMT), a global security and aer...
Insider Brief Press release – Quantum Elements, a provider of AI-powered digital twins for quantum computing developers, today announced a development agreement with Planckian, an Italian quantum comp...
Insider Brief PRESS RELEASE — QuiX Quantum today announced Carina, the world’s first universal photonic quantum computing architecture designed for deployment in customer data center environments as a...
Physics-informed neural networks (PINNs) provide a pathway to reunify the simulation and control of quantum systems, in which these two tasks are typically decoupled in traditional strategies. However...
Large-scale Greenberger-Horne-Zeilinger~(GHZ) state is useful for quantum technologies but difficult to be prepared. Here, we propose fast measurement-based preparation of large-scale GHZ states by a ...
Insider Brief Press release – On July 9, 2026, Logical Qubit Technology Co., Ltd hosted its Quantum Day 2026 event, officially unveiling its superconducting quantum computing cloud platform. The platf...
Quantum nonlinear optics by Rydberg polaritons can enable single-photon transistor and switch, single-photon source, and deterministic quantum information processing. A major hindrance in this study i...
Insider Brief Press release – Studying an object with zero dimensions takes serious creativity. Consider the singularity — a point packed with infinite energy that sparked the Big Bang. Or the humble ...
Insider Brief PRESS RELEASE — Quantinuum Inc. (NASDAQ:QNT), Rolls-Royce, Riverlane and EPCC, the UK National Supercomputing Centre based at the University of Edinburgh, today announced an agreement to...
The machine that could change the world will be housed in a room that looks like a data center crossed with an ice cream factory. Inside will be some 100 stainless-steel cabinets, each about six feet ...
Insider Brief The United States risks repeating one of the biggest strategic mistakes in its technology history unless it pairs quantum computing research leadership with a domestic manufacturing and ...
Insider Brief PRESS RELEASE — The Jane Goodall Institute (JGI) USA and FormationQ today announced a landmark research partnership that will apply trapped-ions quantum computing by IonQ to one of the m...
NVIDIA’s Quantum Computing Division has introduced Ising, an open-source model family designed to deploy neural-network-driven control layers for fault-tolerant quantum error correction (QEC). Detaile...
Quantum hardware developer Nord Quantique has detailed an error-mitigation methodology that curtails State Preparation and Measurement (SPAM) error rates within single-mode bosonic grid-state qubits. ...
The State of Tennessee has announced a $3 million funding commitment to recruit National Science Foundation (NSF) X-Labs quantum research teams to establish operations within the state. Organized unde...
We investigate the resilience to noise of single-qubit quantum key distribution (QKD) protocols in the scenario of security against independent eavesdropping attacks and key distillation based on one-...
The sample complexity is the minimum number of copies required to learn an accurate classical description of a quantum state. Bosonic and fermionic Gaussian quantum states are families of quantum stat...
Silicon spin qubits are a leading candidate for large-scale quantum computing owing to their compatibility with semiconductor manufacturing. However, scaling to useful fault-tolerant processors will l...
Which properties of a quantum many-body system are operationally accessible is a central question underlying spectroscopy, thermodynamics, and quantum information science. Conventional response theory...
We investigate multiparameter quantum estimation in a Raman-coupled two-qubit system at thermal equilibrium. Analytical expressions for the quantum Fisher information matrix are derived to characteriz...
Insider Brief Press release – Last two days marked the official kick-off of Q-PLANET (Quantum Pilot Line for production of Advanced chips for Neutral atom European Technologies), one of the 6 European...
Measurement incompatibility can remain intact at the operator level yet become operationally inaccessible when observations are restricted to the output of a quantum channel; we refer to this phenomen...
The advent of cryptographically relevant quantum computers poses an existential threat to classical public-key infrastructure. Quantum Key Distribution (QKD) addresses this challenge by providing info...
Quantum computing has advanced rapidly in recent decades, driven by developments across the technology stack, including quantum error-correcting codes and efficient quantum algorithms. Among these, qu...
Reliable qubit readout is a critical bottleneck toward fault-tolerant quantum computing (FTQC). In superconducting quantum processors, readout operations are both error-prone and high-latency. These c...
Despite rapid progress in quantum optimization, broad real-hardware benchmarks comparing multiple algorithmic families across diverse combinatorial problems under a common protocol remain limited. We ...
While a minimal Kitaev chain is promised to host unprotected Majorana zero modes, its role for spin qubits is relatively underappreciated. Following recent breakthroughs in the fine control of transpo...
Gate-based digital quantum simulations offer an exciting new paradigm for studying the many-body physics of strongly correlated systems. In this context, electron-phonon models are challenging for qub...
Neutral Atom Quantum Computing (NAQC) is an emerging modality for scalable quantum computation, valued for its long coherence times and the naturally identical atomic qubits. However, one of the main ...
We investigate the use of variational quantum algorithms to prepare and characterize fractional quantum Hall states on near-term quantum processors. Focusing on the $ν=1/3$ Laughlin phase described by...
Weak values (WVs) arise from weak measurements performed within a time-symmetric formulation of quantum mechanics, where a system is both pre- and post-selected. Anomalous WVs that lie far outside the...
The short Doppler-limited coherence time of the laser-excited Rydberg state, usually orders of magnitude shorter than the lifetime of the Rydberg state, hinders the Rydberg-mediated quantum technologi...
We demonstrate the feasibility of entanglement-based quantum key distribution (eQKD) in high-security financial infrastructure over a 22 km fiber link with 8 dB loss between two data centers using pol...
Distributed quantum computation needs to move logical qubits across lossy optical links, yet this transmission layer is usually designed separately from the computation it serves. We treat the two tog...
The European Union's Chips Joint Undertaking (Chips JU) has launched Q-PLANET, a €50 million ($57.2 million USD) European Quantum Chip Stability Pilot Line dedicated to manufacturing industrial-grade ...
Nature Physics, Published online: 13 July 2026; doi:10.1038/s41567-026-03315-2 Quantum error correction typically encodes one logical qubit across many physical qubits to suppress noise. An experiment...
Guest Post by Yonathan Cohen, Co-Founder and Chief Technology Officer of Quantum Machines. Something is changing in the quantum industry. Not long ago, most conversations focused almost entirely on qu...
Researchers from the MIT-IBM Computing Research Lab and IBM Quantum have developed a multimodal alignment framework that maps quantum unitary operators directly into the latent space of a large langua...
Researchers at ETH Zurich have engineered a hardware architecture for quantum computers that separates processing from working memory by utilizing mechanical vibrations instead of electromagnetic fiel...
International research networks and academic sponsors have opened competitive application windows targeting immediate software optimizations for early fault-tolerant quantum computing (FTQC) platforms...
Schematic rendering of EeroQ’s Wonder Lake chip stack. Quantum hardware developer EeroQ has published peer-reviewed experimental results demonstrating the selective, two-dimensional transport of elect...
Overview of RL control. Google Quantum AI has introduced a hardware-control framework that unifies real-time calibration with active quantum error correction (QEC), allowing an autonomous reinforcemen...
Quantum design-automation developer QC Design has published a comprehensive theoretical framework and software specification detailing its flagship architecture-simulation platform, Plaquette. Release...
Reinforcement learning uses error information to adjust control algorithms.
Insider Brief Most quantum computing discussions start with superconducting chips in dilution refrigerators, or ion traps in vacuum chambers the size of a washing machine. Diamond NV centers are a dif...
Insider Brief Press release – QC Design today announced the publication of “Plaquette: A hardware-aware design platform for fault-tolerant quantum computers”, the paper presenting the theoretical fram...
Post-quantum semiconductor developer SEALSQ Corp (NASDAQ: LAES) has signed a $5 million commercial agreement with French silicon-based quantum hardware pioneer Quobly. The contract signals the deploym...
Global quantum-safe engineering firm BTQ Technologies Corp. (Nasdaq: BTQ) has finalized the technical design phase for its next-generation hybrid security processor. Developed in direct cooperation wi...
Insider Brief Press release – SEALSQ Corp (NASDAQ: LAES) (“SEALSQ” or “Company”), a company that focuses on developing and selling Semiconductors, PKI, and Post-Quantum technology hardware and softwar...
Insider Brief A Google-led research team has demonstrated a quantum computer that continuously learns from its own errors while it is running, replacing one of the biggest operational bottlenecks in q...
Insider Brief Google is seeking university researchers to help solve two of quantum computing’s most immediate challenges, launching academic funding calls focused on developing useful algorithms for ...
Insider Brief Press release – QuTech, in collaboration with the Delft quantum technology ecosystem, has released Tuna-17: a new open-architecture superconducting quantum computer designed to advance E...
Insider Brief PRESS RELEASE — INQUBATOR, Fraunhofer’s quantum computing consulting and testing center, offers businesses an practical and cost-effective access to quantum computing. Starting immediate...
Insider Brief Press release – Robert Loredo has been named executive director of the Florida Atlantic University Center for Quantum Technologies. In this role, Loredo will lead the university’s growin...
Insider Brief Press release – Cambridge Innovation Capital (CIC), the Cambridge-based VC firm investing in the UK’s highest-potential deep tech and life sciences companies, has appointed Dr Ilana Wisb...
Deep-tech hardware developer Shanghai Quantum Sensing Intelligence Technology Co., Ltd. has completed an angel round of financing, securing tens of millions of yuan. The capitalization round was led b...
Post-Quantum Cryptography (PQC) orchestrator QIZ Security has secured a $17 million seed funding round to expand the deployment of its unified cryptographic governance and discovery platform. The inve...
Amsterdam-based specialized venture capital firm QDNL Participations has announced its formal corporate rebranding to Ground State Ventures as it prepares the final close of its inaugural early-stage ...
Quantum research center QuTech—a joint collaboration between the Delft University of Technology (TU Delft) and the Netherlands Organisation for Applied Scientific Research (TNO)—has announced the depl...
Publicly traded photonic quantum computing frontrunner Xanadu Quantum Technologies Limited (NASDAQ/TSX: XNDU) has announced a major geographic expansion of its U.S. commercial operations with the open...
Quantum Rings has announced a partnership with qBraid to make their Open Quantum platform available within the qBraid Lab. The development will provide developers and researchers free, subsidized acce...
Quantum key distribution (QKD) brings the promise of communication with information-theoretic security but is limited in practice due to its susceptibility to noise, losses, and device imperfections. ...
We perform a semiclassical, large-spin S, analysis of the quantum approximate optimization algorithm (QAOA) on the Sherrington-Kirkpatrick (SK) model, using the truncated Wigner approximation. Fixing ...
The scalability of neutral atom quantum computing demands integrated electronic control systems with low latency, modular architecture, and real-time feedback capability. Here, we present an FPGA-base...
Bulk reconstruction is a central problem in AdS/CFT, and entanglement wedge reconstruction is its subregion version. We argue that this subregion statement should be separated from the stronger hologr...
The identification of molecules that combine long spin coherence times and efficient spin-optical interfaces, ideally at room temperature, is pivotal towards the development of molecular quantum techn...
Quantum state purification aims to recover higher-fidelity quantum states from multiple noisy copies and is a fundamental primitive for quantum information processing. Magic resources enable operation...
Overview of the operation and calibration of an 8-dot device. Quantum engineering pioneer Diraq has announced a validation milestone in silicon-based solid-state quantum architectures with the publica...
European full-stack quantum hardware developer QUDORA Technologies GmbH has signed a Memorandum of Understanding (MoU) with South Korean deep-tech specialist QAI Co., Ltd. to co-deploy trapped-ion qua...
Insider Brief A Shanghai quantum sensing startup has raised an angel funding round worth tens of millions of yuan — or millions of dollars U.S. — as it looks to scale commercial production of quantum ...
Insider Brief Press release – Xanadu Quantum Technologies Limited (“Xanadu”; NASDAQ/TSX: XNDU), a leading photonic quantum computing company, today announced a significant expansion of its U.S. operat...
Insider Brief PRESS RELEASE — Quantum Rings, a leader in quantum developer tools whose toolchain lets any developer run quantum workloads anywhere, and qBraid (Chicago, Illinois), a leader in quantum-...
The Quantum Scientific Computing Open User Testbed (QSCOUT) has developed a qubit-boson gate set for hybrid continuous-discrete variable (CV-DV) quantum computing. This document outlines how to utiliz...
Entanglement distribution is the overarching purpose of quantum networks. While communication over long distances can use deployed fiber infrastructure, it requires photons in the telecom band. Howeve...
Insider Brief PRESS RELEASE — QIZ Security, the cryptographic posture and Post-Quantum Cryptography (PQC) management platform, today announced a $17 million seed round led by Bessemer Venture Partners...
Guest Post by Eli Ben-Sasson It is the one bet Polymarket cannot guarantee it would pay out. Will quantum computing break the world’s most famous prediction market, and every other one along with it? ...
Grokking, the delayed transition from memorization to generalization, is a fundamental phenomenon in gradient-based learning, yet its dynamics within variational quantum machine learning (QML) remain ...
The nuclear shell model is a general way of expressing the many-body nuclear Hamiltonian and deciphering the underlying nuclear structure. In today's era of modern and high-power computation, the prim...
Post-quantum hardware engineer SEALSQ Corp (Nasdaq: LAES) and foundry group GlobalFoundries (Nasdaq: GFS) have signed a strategic Memorandum of Understanding (MoU) to co-develop secure semiconductor p...
The negatively charged boron vacancy center in hexagonal boron nitride is a premier candidate for quantum sensing, yet its performance is critically limited by longitudinal spin-lattice relaxation tim...
Quantum error correction compatible with continuous symmetries is a fundamental problem in quantum information and a possible route to robust analog quantum simulation. Because the Eastin-Knill theore...
The distribution of entangled photon pairs over standard optical fiber is a fundamental requirement for the realization of the quantum internet. However, real-world deployment is severely bottlenecked...
The emergence of Quantum Software Engineering (QSE) responds to the need for systematic, disciplined, and quantifiable approaches to the development, operation, and maintenance of quantum software. Wi...
We present a geometric interpretation of the sum photon blockade effect in multimode quantum optical systems, such as semiconductor microresonators. The blockade condition \(c^{(n)} \cdot v = 0\) refl...
Designing fault-tolerant quantum circuits that are both algorithmically correct and hardware compatible remains a major bottleneck in the transition to scalable quantum computing. We introduce RubriQ,...
Accurately controlling entangling gates remains a major challenge for quantum technology applications with solid-state spin qubits. Here, we study a group-IV color-center with a strongly-coupled nucle...
The performance of variational quantum algorithms depends in general on the structure of the parametrized quantum circuit, but the most common ansätze are typically based on local couplings. Motivated...
We propose a novel approach to the minimax estimation of high-order functionals from the perspective of quantum computing. Specifically, for any real number $α\gg 1$, we present two estimators, one fo...
We consider a multiplexed quantum repeater that distributes entanglement between two end nodes. Multiplexing is achieved through optical integration of many quantum chips. Each chip hosts an optically...
Insider Brief The invitation came in plain language. A summit from the White House on American quantum innovation, a Tuesday in July, eleven in the morning. I have spent years in rooms where quantum i...
The LUMI AI Factory, coordinated by CSC – IT Center for Science, has selected hardware manufacturer IQM Quantum Computers (Nasdaq: IQMX) to deliver and integrate its IQM Halocene H4 superconducting qu...
Quantum computers, devices that store and process information leveraging the principles of quantum mechanics, have been found to be promising for tackling some problems that cannot be solved by classi...
The U.S. National Science Foundation (NSF) has launched Project Triad, a multi-tiered federal initiative designed to combine quantum sensing, quantum networking, and quantum computing into a single, c...
Insider Brief Press release – SEALSQ Corp (Nasdaq: LAES) (“SEALSQ“) and GlobalFoundries (Nasdaq: GFS) (GF) today announced a strategic Memorandum of Understanding (MoU) to co-develop across secure sem...
The Quantum Control Processor (QCP) bridges the gap between compiler toolchains and control electronics, and is responsible for translating compiled quantum circuits into executable instructions that ...
Insider Brief Press release – BTQ Technologies Corp. (“BTQ” or the “Company”) (Nasdaq: BTQ) (CBOE CA: BTQ), a global quantum technology company focused on securing mission-critical networks, is please...
Nonlinear dynamics is ubiquitous in nature, ranging from chemical pattern formation to ocean circulation, yet its simulation on quantum computers is fundamentally limited by the unitary nature of quan...
Insider Brief Press release – The LUMI AI Factory, led by CSC – IT Center for Science, has selected IQM Quantum Computers (Nasdaq: IQMX) to deliver IQM Halocene H4, an advanced quantum computer aimed ...
Insider Brief Guest Post by QSE – Quantum Secure Encryption Corp. Equity Insider News Commentary, One of the quieter but more consequential races in technology is the effort to rebuild the world’s enc...
This short report explores the (non exhaustive) current state of quantum technologies, their potential applications, and the challenges that must be addressed to harness their full potential. In parti...
Author(s): Zheyuan Li, Rupsa De, Rishi Sivakumar, William Huie, Hao-Tian Wei, Justin D. Piel, Chris H. Greene, Kaden R. A. Hazzard, Zoe Z. Yan, and Jacob P. Covey The small mass of helium-3 is shown t...
Insider Brief Press release – QUARTERNEXT, a European-funded consortium dedicated to advancing quantum-safe communication technologies toward certifiable, industrial-grade systems, has officially laun...
Achieving a genuine quantum advantage relies on two distinct non-classical resources that restrict efficient classical simulation: entanglement and magic (nonstabilizerness). We investigate the interp...
Insider Brief The U.S. Department of Energy’s Argonne National Laboratory convened leaders from business, government, academia and nonprofit organizations in May for the inaugural Quantum Prairie Econ...
Dynamical structure factors (DSF) measured with neutron-scattering experiments provide key insights into the structure of materials. Their computation requires both the preparation of an equilibrium s...
Insider Brief PRESS RELEASE — Fraunhofer ILT in Aachen has developed a highly complex laser-optical system for a quantum computer currently under construction at the 5th Institute of Physics at the Un...
The University of Pretoria (UP) has launched a new research hub, UP Quantum Science and Technology (UPQuST), after being designated as a national node under the South African Quantum Technology Initia...
Neutral-atom quantum hardware developer Pasqal and South Korean cloud managed service provider MegazoneCloud have executed a Memorandum of Understanding (MoU) to integrate quantum workloads into comme...
A centimeter-sized crystal has revealed clear signs of quantum entanglement, showing that large, everyday objects can display surprisingly deep quantum behavior. The discovery could help solve the mys...
Insider Brief PRESS RELEASE — The U.S. National Science Foundation today announced Project Triad, a first-of-its-kind initiative to integrate quantum sensing, quantum networking and quantum computing ...
Insider Brief Oratomic has raised a $300 million Series A financing round as the quantum computing startup moves to accelerate development of a fault-tolerant quantum computer that it says could reach...
We investigate universal entanglement properties inherent to superpositions of randomized states. We find that an $m$-fold superposition of typical states may be classified into two distinct entanglem...
Given that quantum computers are naturally suited to simulate the behavior of quantum many-body systems, an immediate question arises: can one formulate physically motivated quantum machine learning (...
Insider Brief Press release – Photonic Inc., a global leader in distributed quantum computing, today announced the appointments of Orlagh Neary as Chief Marketing Officer (CMO), and Briony Shipman as ...
Hole spin qubits in undoped Ge/SiGe quantum well structures have advanced rapidly in performance and scalability. However, stringent multi-layer patterning and overlay requirements of conventional ove...
Insider Brief As countries around the world race to secure leadership in quantum technologies – an emerging field expected to transform computing, healthcare, manufacturing, agriculture and cybersecur...
Differential privacy provides a rigorous framework for quantifying privacy leakage in data analysis, while its quantum extensions have become increasingly relevant with the development of quantum comp...
Insider Brief PRESS RELEASE — SEALSQ Corp (NASDAQ: LAES) (“SEALSQ” or “Company”), a company that focuses on developing and selling Semiconductors, PKI, and Post-Quantum technology hardware and softwar...
Insider Brief Press release – Alfred University, the State University of New York College of Ceramics at Alfred University, and Classiq today announced a joint quantum computing initiative using Class...
Parameterized quantum circuits (PQCs) are increasingly used as policies and value functions in quantum reinforcement learning, yet it remains unclear when and why quantum policies generalize. We give ...
Insider Brief Press release – Pasqal, a global leader in neutral-atom quantum computing, and MegazoneCloud, South Korea’s leading cloud and AI transformation company, have signed a Memorandum of Under...
Insider Brief Press release – QuSecure, Inc., a leader in post-quantum cryptography (PQC) and cryptographic agility, today announced that U.S. Navy Rear Admiral Doug Small has joined its Federal Advis...
Author(s): Wolf-Rüdiger Hannes and Guido Burkard A universal scheme for accumulating entanglement between long-lived nuclear memory qudits via repeated entanglement transfer is proposed, paving the wa...
Generating images directly from quantum systems is an attractive but unresolved goal on NISQ hardware. Existing quantum generators face several coupled obstacles: barren plateaus that block trainabili...
Light polarization is a primary degree of freedom for encoding quantum information. The scaling up of photonic quantum networks and computer architecture depends crucially on its precise characterizat...
Insider Brief The White House is set to bring together government leaders and representatives of the U.S. quantum industry on Tuesday for a summit focused on advancing quantum information science and ...
By Dr. Kris Naudts, Zeynep Koruturk and Donald Harmitt @ Firgun Ventures. Firgun Ventures is a VC firm investing in Series A/B quantum scale-ups globally. Among the futures promised for quantum comput...
Tile codes are a family of planar quantum low-density parity-check (qLDPC) codes with weight-6 stabilizers and open boundary conditions, offering an encoding efficiency $kd^2/n$ of up to four times th...
Nonlinear differential equations play a crucial role in modeling a wide range of phenomena, yet their solutions remain notoriously difficult to obtain. With the rapid development of quantum computing,...
Real-time decoding is a major bottleneck in scaling quantum error correction (QEC) from noisy intermediate-scale quantum (NISQ) devices to fault-tolerant quantum computing. We present an adaptive conf...
We introduce population-transfer dynamics as a practical validation observable for active-space-derived reduced Hamiltonians in multistate reaction-center chemistry. Using a cytochrome P450-inspired F...
Chiral quantum emitters interact with light only in one propagation direction, allowing them to be linked into cascaded systems in which photons mediate ordered, long-range interactions. Such systems ...
Insider Brief Beijing-based Bose Quantum has completed a pre-IPO financing round worth several hundred million yuan, which would be tens of millions of U.S. dollars. If confirmed, the move potentially...
A research collaboration between Oak Ridge National Laboratory (ORNL), the Cleveland Clinic, and IBM Quantum has completed the first heterogeneous quantum-classical simulation of tritium binding withi...
Characterizing a quantum state through the lens of quantum resources provides an information-theoretic perspective on many-body systems. While quantum entanglement serves as the paradigmatic example o...
Present-day quantum computing is cloud-based, where a user submits a circuit to a service provider's proprietary backend hardware. While providers may wish to hide implementation details, scheduling c...
Circular states in Rydberg atoms offer a promising platform for quantum computation, quantum simulation and quantum sensing. However, the final step of their preparation - termed as circularization, a...
In space based quantum key distribution (QKD) protocols, the quantum channel will be dynamic in nature and the channel loss will change with respect to the zenith angle. In the context of continuous v...
Transversal logical gates provide a direct route to fault-tolerant quantum computation, but the Eastin-Knill theorem forbids a universal transversal gate set within a single quantum error-correcting c...
Insider Brief MagiQware has raised €575,000 in a pre-seed funding round to further develop artificial intelligence software designed to reduce the cost of fault-tolerant quantum computing, according t...
We introduce a superconducting digital-to-analog converter (DAC) that filters control noise, provides native multiplexing, performs quantum gates in nanoseconds, and can be controlled by CMOS. This is...
Insider Brief Press release – IQM Quantum Computers (Nasdaq: IQMX) (“IQM”, “IQM Quantum Computers” or the “Company”), a global leader in full-stack superconducting quantum computers, has acquired sele...
Insider Brief Researchers from the University of Sydney, working with IBM, have identified and quantified important factors limiting the performance of quantum computers and demonstrated ways to overc...
Insider Brief Press release – EigenQ, Inc. today announced new platform capabilities designed to help organizations prepare deployed Intel Xeon processor-based infrastructures for CNSA 2.0-aligned pos...
The Bloch sphere is an elegant tool for representing single-qubit states. However, a widely accepted generalization for multi-qubit systems with entanglement remains absent. We propose a novel geometr...
Insider Brief A team of scientists from Oak Ridge National Laboratory (ORNL), Cleveland Clinic, and IBM (NYSE: IBM), have calculated nine molecular configurations of a promising material to produce fu...
Insider Brief Researchers have demonstrated a hybrid quantum-classical approach to portfolio optimization that solved real-world financial optimization problems more effectively than a standard quantu...
The contraction coefficient of the trace distance is a central tool in quantum information, quantifying how strongly a quantum channel degrades the distinguishability of states. However, being an extr...
We investigate the use of twin optical fingerprints derived from correlated physical unclonable functions (PUFs), as a hardware-based platform for cryptographic key generation and distribution. Each f...
Quantum machine learning (QML) could have the potential to leverage advantages of quantum over classical computing but still lacks strong evidence of actual improvements and scalability, partly due to...
Virtual distillation is a promising error-mitigation technique that exploits multiple copies of a noisy quantum state to estimate observables as if measured on a purified state. Although originally in...
Photonic cluster states are a key resource for photonic quantum information processing. So far, deterministic generation of these states has been limited to the near-infrared wavelength range. To achi...
Quantum Architecture Search (QAS) automates the design of parameterized quantum circuits for variational quantum algorithms, yet existing benchmarks organize instances by molecular identity or qubit c...
Finite quantum environments can relax local probes without acting as canonical baths. We study this distinction for a probe qubit coupled to a programmable bath of ($N$) qubits under excitation-number...
Insider Brief PRESS RELEASE — Everything around us, from atoms and molecules to planets and galaxies, is governed by two extraordinarily successful theories of physics: Quantum mechanics and gravity. ...
Bound states in the continuum (BICs) are counterintuitive localized states that lie within the continuum of extended states. While extensively realized and utilized in classical wave systems, it is st...
Quantum gate teleportation enables distant parties to implement nonlocal quantum operations without physically transferring the participating qubits, making it a promising primitive for distributed qu...
Quantum networks can exhibit nonclassical correlations that cannot be explained by classical models with independent sources. While the role of entanglement is well understood, the impact of measureme...
Quantum conference key agreement (QCKA) enables multiple users to establish a common secret key with information-theoretic security and is regarded as a key primitive for secure communication in futur...
IBM Quantum System Two in Poughkeepsie, New York. The machine was used in the experiments conducted by University of Sydney quantum physicists. Photo: IBM A joint research collaboration between the Un...
A research collaboration led by the Lawrence Berkeley National Laboratory (LBNL) has successfully simulated hadronization—the fundamental particle physics process where quarks bind via the strong nucl...
Silicon Quantum Computing (SQC) has appointed Karna Nisewaner as Chief Legal Officer, effective June 1, 2026. Nisewaner has over 25 years of legal experience within the semiconductor and artificial in...
IBM Quantum has released a technical review detailing the initial research outcomes generated by its expanded IBM Quantum Credits program. Spearheaded by IBM Fellow and Director of IBM Research Jay Ga...
IBM Chairman and Chief Executive Officer Arvind Krishna has confirmed that the greenfield city of Amaravati will host one of the first two physical IBM quantum computers deployed on-shore in India. Ta...
Insider Brief As artificial intelligence drives an unprecedented buildout of power-hungry data centers, researchers are exploring computing architectures that move beyond the graphics processing units...
Deep-tech startup xDots has unveiled its quantum-based industrial hardware infrastructure stack at Quantum Korea 2026, held at the Dongdaemun Design Plaza (DDP) in Seoul. Hosted by the South Korean Mi...
Swiss-registered blockchain network QoreChain has recorded a transaction on its live public mainnet utilizing a complete, end-to-end post-quantum cryptography (PQC) stack. The transaction involved a t...
Insider Brief For years, quantum was something most people encountered in documentaries, or late-night debates about Schrödinger’s cat. Today, it’s also becoming a career. Companies are hiring now, sa...
Insider Brief Press release – QoreChain, a quantum-safe, AI-native Layer 1 blockchain, has recorded what it describes as the first transaction in the history of blockchain to be secured end to end, on...
Insider Brief Press release – The Ohio State University is strengthening its growing prominence in quantum science, technology, and education with a $4 million, two‑year Phase II design award from the...
Insider Brief Press release – IQM Quantum Computers (Nasdaq: IQMX) (“IQM”, “IQM Quantum Computers” or the “Company”), a global leader in full-stack superconducting quantum computers, today became a pu...
Insider Brief Press release – XDots (xDots), a company specializing in quantum technology-based energy optimization solutions, participated in Quantum Korea (2026), Korea’s largest quantum science and...
Insider Brief PRESS RELEASE — With the investment, PostScriptum will become a shareholder in SemiQon, a Finnish quantum hardware company building one of Europe’s most ambitious platforms for next-gene...
Insider Brief South Korea used this week’s Quantum Korea 2026 conference to deepen international cooperation on quantum technology, holding separate high-level meetings with officials from Canada, the...
Insider Brief The University of Texas at Austin is expanding its quantum research capabilities with new laboratories, state-backed infrastructure and a roster of scientists whose work has helped shape...
Industrial neutral-atom quantum hardware manufacturer Pasqal, acting through its newly integrated Canadian subsidiary Aeponyx, has announced the creation of a specialized Center of Competency in Photo...
Indian quantum cybersecurity pioneer QNu Labs has executed a strategic partnership agreement with U.S.-based technology consulting firm SAGA Consultants to accelerate the global distribution and deplo...
The dynamics of a quantum system encode signatures of whether the underlying Hamiltonian is integrable or chaotic, giving rise to the concept of quantum information scrambling through the properties o...
We study stabilizer state testing and learning with limited coherent quantum memory. Here an algorithm sequentially receives copies of an unknown $n$-qubit state, but may keep only $k$ qubits of coher...
Insider Brief Press release – Four members of the Institute for Optical Science (IOS) and the Department of Physics at The Ohio State University are part of a University of Michigan-led team that has ...
Quantum Error Recovery (QER) uses knowledge of the error channel acting on a quantum system to find optimal recovery maps. The scheme restores the uncorrupted state with a fidelity exceeding that achi...
Correlations between two moments in time can be too strong for any classical explanation -- and, remarkably, this can happen for a single quantum system measured twice, with no second particle involve...
Quantum-enhanced metrology relies on entanglement to achieve sensitivities beyond the standard quantum limit. While remarkable progress has been made in generating highly entangled many-body states, e...
Three-dimensional superconducting radio-frequency (SRF) cavities provide exceptionally long-lived electromagnetic modes and, when coupled to nonlinear elements such as transmon qubits, become promisin...
Quantum networks require qubits that combine efficient optical access, coherent control, and long-lived quantum memory, but realizing all three in one scalable platform remains a central bottleneck. D...
Fermionic non-Gaussianity, or fermionic magic, is a key resource underlying the computational complexity of fermionic quantum systems, yet tractable and operationally meaningful ways to quantify it re...
Insider Brief IQM Quantum Computers’ American depositary shares began trading on the Nasdaq Global Select Market today (July 2, 2026), falling 95 cents, or about 7.5%, in early trading after the quant...
We prove that any generalized extended code is monomially equivalent to the Hermitian dual of a code which is closely related to a second kind of extended code of $\C^{\perp_{\rm H}}$. Every $[n+1,k+1...
Insider Brief Press release – Qolab Inc., a leader in quantum computing hardware, today announced the initial closings of its Series B Preferred Stock financing, which, together with the conversion of...
Quantum convolutional neural networks (QCNNs) have become increasingly popular in quantum machine learning (QML) due to their efficient parameterization and hierarchical representation of quantum info...
Insider Brief Press release – Pasqal, through its Canadian subsidiary Aeponyx, today announced the creation of a specialized center of competency focused on assembling and packaging key components use...
Achieving high-precision quantum computation requires effective suppression of idling errors that occur when qubits remain inactive during waiting periods within a quantum circuit. Conventional mitiga...
The aging transition is a critical phenomenon in which collective dynamics deteriorate as the fraction of inactive quantum nodes exceeds a threshold, referred to as the aging transition point. Such tr...
In the NISQ era, there is a need for resource-efficient proof-of-principle experiments that can be built up to genuine utility. Single-qubit classifiers (SQCs) are small-scale hybrid quantum-classical...
The security of practical quantum key distribution (QKD) systems is fundamentally constrained by vulnerabilities of single-photon detectors. Measurement-device-independent quantum key distribution (MD...
Long-lived logical qubits are essential for fault-tolerant quantum computation. However, the practical performance of traditional error correction protocols relies on performing specific syndrome circ...
Insider Brief Shanghai has launched a dedicated quantum computing industrial hub, hoping to incubate hundreds of quantum computing companies as cities across the country compete to become centers for ...
Insider Brief PRESS RELEASE — Archer Materials Limited (ASX: AXE), an Australian quantum technology company, has signed a strategic Quantum Compute Agreement with IonQ, Inc. (NYSE: IONQ), the world’s ...
Block encodings are a central primitive in quantum algorithms, but standard constructions typically require logarithmic ancilla overhead and complicated controlled operations. Recent lower bounds furt...
Insider Brief PRESS RELEASE — Many quantum effects can only be observed when a small number of particles is studied — individual atoms, molecules or photons, for example, carefully shielded from the r...
We study the compilation of structured quantum gate families on two-dimensional neutral-atom arrays, aiming to reduce addressing and transport overhead under realistic hardware constraints. For single...
Glauber's coherent state is denoted by $\ketα$ and its two-mode extension is represented by $\ket{α,β}$. In this work, we introduce a two-mode superposition operator $A=tab+ra^\dagger b^\dagger$, whos...
WiMi Hologram Cloud Inc. (NASDAQ: WiMi) has announced ongoing research into the utilization of machine learning models to optimize operational parameters within Twin-Field Quantum Key Distribution (TF...
Delft-based quantum networking pioneer Q*Bird has officially launched the Falqon Key Manager, a standalone Quantum Key Management System (QKMS) engineered to operationalize and scale secure communicat...
Microsoft Azure Chief Information Officer and Chief Technology Officer Mark Russinovich has announced an aggressive acceleration of the Microsoft Quantum Safe Program (QSP), pulling its enterprise pos...
DoW PQC Strategic Path The Department of War (DoW) Chief Information Officer, Honorable Kirsten Davies, has officially released the DoW Post-Quantum Cryptography (PQC) Strategy, a comprehensive nation...
The transverse-field Ising model has attracted a lot of attention in recent years, especially in the quantum simulation and quantum computation literature. This interest is driven by many platforms fo...
Portfolio diversification - a cornerstone of modern investment management - can be formulated as a Maximum Independent Set (MIS) problem on asset correlation graphs. Solving this problem at scale is c...
Insider Brief Press release – The Laboratory for Physical Sciences (LPS) at the National Security Agency (NSA), in close collaboration with the U.S. Army Combat Capabilities Development Command (DEVCO...
Realizing quantum neural networks (QNNs) in industry requires knowing which quantum computing paradigm suits which task. Motivated by AI accelerators and high-bandwidth memory, where die stacking make...
We give an analytical expression for the dynamical Lie algebra corresponding to the QAOA-MaxCut problem on complete graphs, and show that the variance of the associated loss function scales linearly i...
We introduce the Twisted Gaussian Schell (TGS) state, a two-mode mixed Gaussian state defined as the quantum-optical analog of the Twisted Gaussian Schell-model beam of classical paraxial optics, char...
Quantum nonlocality paradoxes, such as that of GHZ, provide maximally sharp logical obstructions to classical probabilistic models of quantum correlations. They are key resources in a broad variety of...
Insider Brief A new AI-assisted framework may help researchers find useful patterns in quantum algorithms before they spend scarce time running them on real machines. The study, posted to arXiv, intro...
Geometric Machine Learning (GML) successes have been achieved through the thorough study and design of new equivariant neural networks. In comparison, geometric quantum machine learning (GQML) models ...
Qubit leakage is a noticeable source of errors for quantum computing. In quantum processors, leakage excitations traveling between qubits generate correlated errors and perturb gate implementations. L...
Adaptive Derivative-Assembled Problem-Tailored variational quantum eigensolvers (ADAPT-VQE) represent one of the most promising approaches for quantum chemistry on near-term quantum devices. However, ...
Deterministic single-photon sources are indispensable core devices for quantum information technology, yet high-performance implementation remains a long-standing bottleneck for linear optical quantum...
Insider Brief PRESS RELEASE — By remotely accessing an IBM quantum computer through the Quantum Computer User Program (QCUP) — a quantum computing access program managed by the Oak Ridge Leadership Co...
Insider Brief Microsoft is moving up its deadline for quantum-safe security, a sign that major technology providers see the transition to new encryption as a near-term engineering problem rather than ...
Superconducting quantum chips commonly utilize quarter-wavelength (λ/4) transmission line resonators as readout circuits. An analytical model for the accurate determination of resonance frequencies an...
Multi-core quantum computing architectures have emerged as a promising solution to the qubit scalability limitations of monolithic NISQ devices. Quantum algorithms are expressed as quantum circuits co...