226 curated articles
Xanadu Quantum Technologies Ltd. (NASDAQ/TSX: XNDU) has announced its financial results for the first quarter ended March 31, 2026. This quarter represents a major landmark for the Toronto-based compa...
Guest Post by By Itamar Sivan, CEO and Co-Founder, Quantum Machines For the past decade, quantum computing has often been framed as a race for better, more stable qubits, lower error rates, and larger...
Insider Brief Xanadu reported a sharp increase in revenue and outlined plans for expanded manufacturing and capital access as the photonic quantum computing company navigates its first months as a pub...
Yuval Boger interviews Bob Sorensen of Hyperion Research about the growing convergence of quantum computing and high-performance computing. They outline a problem-first adoption playbook for HPC cente...
Insider Brief PRESS RELEASE — The U.S. National Science Foundation announced $1.5 billion over the next decade toward the NSF X-Labs initiative to tackle pressing scientific challenges through novel a...
Origin Quantum unveiled its fourth-generation superconducting quantum computer, Origin Wukong-180, on Saturday. The quantum computer is equipped with a self-developed superconducting quantum chip and ...
Insider Brief Quantum computing is one of those rare technologies where geopolitics and physics have become genuinely inseparable. China is not building quantum computers because they are interesting....
Equal1 has announced the release of RacQ, a silicon-spin quantum computing system designed for integration into standard 19-inch data center racks. An evolution of the company’s Bell-1 server, the Rac...
Insider Brief PRESS RELEASE — Equal1 today announced a milestone in the evolution of quantum computing with the global release of Equal1 RacQ. RacQ, the next generation evolution of our Bell-1 Server,...
Google Quantum AI and Google.org have launched the Research Program at the Intersection of Life Sciences & Quantum AI (REPLIQA), a $10 million initiative dedicated to applying quantum science and arti...
IonQ has officially opened a new 22,000-square-foot laboratory suite in Boulder, Colorado, dedicated to quantum computing research, development, and semiconductor chip testing. The facility, located w...
The U.S. Department of Energy (DOE) has issued a formal Request for Information (RFI) to identify companies capable of deploying a scientifically relevant Fault-Tolerant Quantum Computing (FTQC) syste...
Insider Brief PRESS RELEASE — Quantum technologies, which harness nature at the tiniest scales, hold the potential to transform how people compute, communicate and sense their environments. Critical a...
Insider Brief PRESS RELEASE — QNu Labs (www.qnulabs.com), a global leader in end-to-end hybrid quantum cybersecurity solutions, has been recognised as a ‘Global Established Leader’ in the MarketsandMa...
Insider Brief Another Canadian Q-unicorn spotted. Canadian quantum startup Nord Quantique has reached a valuation of roughly US$1.4 billion after a quiet financing round led by investment giant Fideli...
Insider Brief Post-quantum cryptography migration is increasingly treated as necessary as quantum computing research progresses. One key variable is cost, which rises as timelines compress and resourc...
https://youtu.be/mm9LmKJc_3Y Purdue University has announced the launch of a multi-tiered Quantum Degrees Program, a collaborative initiative between the College of Engineering and the College of Scie...
The performance of quantum resource manipulation protocols, including key examples such as distillation of quantum entanglement, is measured in terms of the rate at which desired target states can be ...
Characterizing large quantum systems with minimal assumptions is a central challenge in quantum information science. Self-testing provides the strongest form of certification by identifying the underl...
The classical simulation of quantum algorithms is a crucial tool for circuit development, testing, and validation. Although acceleration using GPUs significantly reduces simulation time, most high-per...
How much energy does a quantum computer consume? Are they more efficient than their classical counterparts? In this work, we make a step towards answering these questions. We define the energy efficie...
We derive closed-form propagators for any $K$-qubit subsystem of a closed $N$-qubit network with a single conserved excitation. A single transition amplitude simultaneously controls excitation flow be...
The Majorana stellar representation translates abstract quantum spin states into intuitive geometric constellations on the Bloch sphere, revealing symmetries, degeneracies, and correlations that tradi...
Insider Brief Finnish quantum computing company IQM Finland Oy moved closer to a U.S. public listing after filing registration documents tied to its planned merger with special purpose acquisition com...
Origin Quantum officially launched the Origin Wukong-180, marking the fourth generation of its domestically developed superconducting quantum computing line. Headquartered in Hefei, China, the company...
We consider an extended model of quantum computation where a scalable fault-tolerant quantum computer is coupled to one or more ancilla qubits that evolve according to a nonlinear Schrödinger equation...
Insider Brief PRESS RELEASE — Planckian today announced the appointment of Prof. Seth Lloyd as Founding Fellow. Lloyd, Professor of Mechanical Engineering at MIT and one of the foundational figures in...
Guest Post by By Meric Kucukbas Industry has yet to encounter quantum computing in any meaningful way, and even fewer professionals could clearly define it. Yet Ireland is increasingly positioning its...
Nitrogen-vacancy (NV) centers in diamond are a leading platform for solid-state quantum sensing and quantum information processing. While most optical studies rely on the visible fluorescence associat...
In this study, we explore the behavior of photon added coherent states in a deformed harmonic oscillator subjected to dissipative decoherence. We use $q-$deformation as our nonlinear function to model...
Positive maps that are not decomposable are a key resource in entanglement theory because they can detect bound entangled states, yet systematic methods for constructing them remain limited. We introd...
We propose a superconducting circuit hosting $d$ low-lying states, well separated from the rest of the spectrum, that naturally realizes a qudit system protected from leakage errors. The system repres...
The parametric amplification enabled by two-photon driving constitutes a versatile platform for advanced quantum technologies. We present an optimized scheme for implementing quantum batteries (QBs) b...
Speech emotion recognition (SER) remains fragile in real-world conditions because emotional cues are subtle, speaker-dependent, and easily confounded by recording variability, while high-performing de...
Entanglement can hide in two fundamentally different ways. First, multi-copy correlations can carry information that no single-copy measurement on an unknown state is able to access. Second, bound ent...
Insider Brief Google is investing $10 million in a new research effort aimed at applying quantum computing, quantum sensing and artificial intelligence to biology and medicine, as large technology com...
Mode-pairing quantum key distribution (MP-QKD) protocol achieves performance beyond the repeaterless rate-transmittance bound and exhibits excellent practicality by avoiding the requirement for diffic...
Cavity-magnon systems, combining magnons and photons, offer a versatile platform for studying quantum entanglement and advancing quantum information science. In this work, we propose a scheme for gene...
As quantum computers become available through multi-tenant cloud platforms, ensuring privacy against adversaries sharing the same quantum processing unit becomes critical. We introduce and explore \em...
We solve an open problem in entanglement theory posed by Yu et al., {\it Nature Communications 12, 1012 (2021)}. The problem is to show, via an entanglement witness, that the $14$-qubit state $Φ_{\tex...
Variational quantum algorithms (VQAs) are a central paradigm for noisy intermediate-scale (NISQ) quantum computing, yet their reliance on predesigned and pretrained variational quantum circuits (VQCs)...
In quantum many-body dynamics, locally encoded information typically scrambles across the entire system, becoming inaccessible to local probes. The upper bound of accessible information of local probe...
High-purity germanium (Ge) has re-emerged as a versatile semiconductor platform for spin-based quantum information processing because it combines mature materials processing, access to spin-free isoto...
We analyze the decoherence of a particle's spatial superposition moving along a stationary worldline through the Minkowski vacuum. The particle is modeled via an internal degree of freedom that couple...
Insider Brief PRESS RELEASE — Infleqtion (NYSE: INFQ), a global leader in quantum computing and quantum sensing powered by neutral-atom technology, today formally established Quantum Spectrum as a new...
A quantum compiler is a critical piece in the quantum computing pipeline since it allows an abstract quantum circuit to be run on a physical quantum computer. One extremely important subproblem in qua...
Insider Brief A team of scientists say they developed a three-dimensional quantum system that can store quantum information for exponentially long periods at finite temperatures without active error c...
Integrated photonics has emerged as a promising platform for quantum communication and quantum computation. Thin-film lithium niobate (TFLN) has gained significant attention in this field due to its e...
Insider Brief PRESS RELEASE — It’s a truth universally acknowledged that a robot working alongside humans is in need of a human-like skin for safer interaction… But what if that skin is superhuman and...
Efficient generation and high-quality distribution of entanglement is becoming increasingly more relevant in the field of quantum technologies, with important applications such as multiparty computati...
The quantum enhancement of success probability in the Random Access Code (RAC) protocols remains unexplored from two important perspectives. First, the use of entanglement between two co-measurable de...
Insider Brief PRESS RELEASE — NVision, a leader in quantum technologies for healthcare, today announced a $55 million Series B financing round anchored by Abbott. The company also announced a major ex...
Insider Brief Quantum computing is emerging as a governance issue for institutional investors long before it becomes a mainstream investing tool. In an article published in Institutional Investor, Ang...
A new quantum-inspired algorithm has cracked a problem so massive that conventional supercomputers struggle to even approach it. Researchers used the method to simulate extraordinarily complex quantum...
Hybrid quantum--classical pipelines increasingly support applications such as drug discovery, fraud detection, and cloud quantum processing unit (QPU) auditing, yet existing integrity-verification met...
The quantum approximate optimization algorithm (QAOA) holds promise for combinatorial optimization but is constrained by limited qubits. While divide-and-conquer frameworks like QAOA$^{2}$ address sca...
We consider the multi-qubit fixed-excitation state transfer along the spin chain with dipole-dipole interaction subjected to the interaction with environment governed by the Lindblad equation preservi...
Quantum information platforms enable analog quantum simulations, such as quantum annealing, offering a promising route to solving complex combinatorial optimization problems. Here, we propose a quantu...
Quantum key distribution (QKD) promises information-theoretic security based on quantum mechanics and idealized device models. Practical implementations, however, deviate from these models due to unav...
Some collapse models proposed that gravitational effects cause the instability of mass distribution superpositions, leading to wave function collapse. In this paper, we utilize the quantum Boltzmann e...
Insider Brief PRESS RELEASE — Today, Governor Polis and the Global Business Development Division of the Colorado Office of Economic Development and International Trade (OEDIT) celebrated IonQ’s (NYSE:...
We investigate the quantum computing of the vibrational dynamics of CO$_2$ and H$_2$O by constructing the vibrational Hamiltonian in qubit and qudit form by two types of qubit encodings (binary and di...
We investigate the purification dynamics of a single qubit under continuous in time monitoring. By employing a collisional model framework where the system interacts sequentially with ancillary qubits...
Measurement-based quantum computing uses measurement patterns on predefined quantum resource states to execute quantum logic. Quantum simulation offers an important use case on near-term devices. Howe...
It was recently proven that, in contrast to their matrix analogues, the moments of a real Gaussian tensor of size N do not in general factorize over their connected components in the asymptotic large ...
We study exact-regenerating codes for entanglement-assisted distributed storage systems. Consider an $(n,k,d,α,β_{\mathsf{q}},B)$ distributed system that stores a file of $B$ classical symbols across ...
When multiple quantum emitters couple to a common electromagnetic environment, interference in their collective radiative dynamics gives rise to superradiance and subradiance. In regimes where coheren...
Quantum computation holds the promise of solving certain complex problems exponentially faster than classical computers. However, the high prevalent noise in current quantum devices impedes the accura...
Insider Brief PRESS RELEASE — Photonic Inc., a global leader in distributed quantum computing, today announced the final close of over $200M USD ($275M CAD) in investment, giving the company a $2B USD...
Charge noise is an important factor limiting qubit coherence and relaxation in solid-state devices. In bilayer graphene (BLG) quantum dots, recently established as a promising platform for spin- and v...
Insider Brief PRESS RELEASE — New York University’s NYU Nanofabrication Cleanroom has enhanced its quantum fabrication capabilities by installing an Oxford Instruments PlasmaPro ASP atomic layer depos...
Achieving uniform and scalable control of semiconductor spin qubits remains a key challenge for large scale quantum computing. In this work, we investigate how gate oxide thickness influences uniformi...
Quantum teleportation is a fundamental protocol in quantum information science, whose performance is conventionally evaluated under the assumption of ideal Bell-state measurements. In realistic implem...
Insider Brief PRESS RELEASE — Quobly, a French pioneer in silicon-based quantum computing, and Taiwan’s Hon Hai Research Institute, the R&D arm of Hon Hai Technology Group (Foxconn), today announced t...
Quantum error correction (QEC) is essential for enabling quantum advantages, with decoding as a central algorithmic primitive. Owing to its importance and intrinsic difficulty, substantial effort has ...
Insider Brief D-Wave Quantum reported a sharp rise in bookings for the first quarter even as revenue fell from a year earlier, reflecting the uneven but accelerating commercialization cycle of the qua...
Insider Brief French and German quantum technology leaders are moving to tighten cross-border cooperation as Europe races to build a domestic industry capable of competing with U.S. and Chinese advanc...
We investigate a probe state preparation protocol based on two non-selective generalized quantum measurements to enhance parameter estimation in single-qubit systems. By fine-tuning the measurement st...
Barren plateaus in variational quantum circuits are commonly attributed to strong mixing dynamics that cause gradient variance to vanish exponentially with system size. Passive photonic circuits, cent...
We develop an adiabatic quantum simulation framework on gate-based quantum computers to probe topological signatures of the one-dimensional fermionic Su--Schrieffer--Heeger--Hubbard (SSHH) model. We p...
The fundamentals of quantum mechanics are minuscule. Scientists constantly home in on finer resolutions to measure, quantify, and control these fundamentals, like photons that carry light and have no ...
Practical quantum key distribution (QKD) modulators inevitably introduce correlations, causing the state emitted in a given round to depend on the setting choices made in previous rounds. These correl...
Insider Brief PRESS RELEASE — According to the European Commission, by 2040, the quantum sector is expected to create thousands of highly skilled jobs across the EU and exceed a global value of €155 b...
Insider Brief PRESS RELEASE — Quantum software company Algorithmiq has established Milan as its global headquarters, signalling its confidence and commitment to Italy and Europe as the future hub for ...
Nanophotonic quantum memory is a vital component for scalable quantum information processing in quantum computing, networking, and sensing. Here we store single-photon-level telecom-band optical pulse...
While world models learn compact representations of complex environments, they lack a physics-grounded metric to assess the structural fidelity of their latent spaces. We identify the wavelet scaling ...
Scaling superconducting quantum processors beyond the constraints of monolithic planar architectures is essential for fault-tolerant quantum computation. Here we demonstrate a three-dimensional (3D) i...
Losses are ubiquitous in physics and are usually regarded as harmful in quantum information processing. Here, we propose a loss-induced scheme to achieve nonreciprocity and nonreciprocal entanglement ...
Applied category theory provides powerful mathematical tools for modelling processes and their composition. Symmetric monoidal categories, which involve series and parallel composition, are particular...
We investigate the relationship between quantum battery capacity and quantum resources in a two-qubit system consisting of mutually coupled battery and charger subsystems. We find that the battery cap...
The measurement of top-quark spin correlations provides a key tool for probing its interactions with high precision. Owing to its extremely short lifetime ($τ\sim 10^{-25}$ s), the top quark preserves...
The ability to locally control and measure subsets of ancilla qubits in an efficient and crosstalk-free manner is a key ingredient in quantum error correction (QEC). Dual-species neutral atom arrays o...
We consider the problem of synthesizing Clifford quantum circuits for devices with all-to-all qubit connectivity. We approach this task as a reinforcement learning problem in which an agent learns to ...
We report on a gate-based variational quantum classifier implemented with single photons and probabilistic gates, to emulate the standard quantum circuit model framework. We evaluate the expressive po...
We introduce Unitaria, a Python library that brings the simplicity of classical linear algebra toolkits such as NumPy and SciPy to the implementation of quantum algorithms based on block encodings, a ...
The scalability of quantum computing is currently limited by physical, technological, and architectural constraints that hinder the integration of a large number of qubits within a single quantum proc...
Insider Brief PRESS RELEASE — New York University and IBM have initiated a postdoctoral program to conduct quantum computer research in the areas of chemistry, computer science, engineering, materials...
Quantum computers are increasingly accessible, yet demonstrations of physically meaningful simulations for real materials remain scarce. In our work we simulate low-energy magnetic excitations, specif...
Integrated photonic technologies have recently shown significant advances, enabling the possibility to implement reconfigurable interferometers with increasing size. One of the main tasks to fully exp...
Insider Brief In 1935, Albert Einstein looked at what quantum mechanics was claiming about reality and called it “spooky action at a distance.” He said this as an insult. Decades of experiments later,...
Examining and controlling the interaction between semiconductor quantum qubits and their environment can boost semiconductor quantum technologies, which have many applications in table-top quantum com...
We introduce a cavity-enhanced optical architecture for collective quantum processing in which logical qubits are encoded in the polarization subspace of recirculating intracavity modes. The physical ...
Artificial intelligence and machine learning have been widely adopted both in the industry and in everyday life, but at the cost of high compute demands. Recent studies show that implementing machine ...
Thanks to feeble interactions, neutrinos show special advantages in the field of quantum information (QM). The properties of quantum correlations (QCs) are fundamental for neutrino-based QM. In this p...
In this paper, we present SCALAR (Symbolic Conjecture and LLM-Assisted Reasoning), a neurosymbolic framework for automated conjecture generation in quantum circuit analysis built on top of the CUDA-Q ...
We investigate multipartite entanglement via the statistical properties of pure quantum states of n-qubits. By analyzing the distribution of purity among balanced bipartitions, we compare Haar-typical...
Colorado School of Mines’ Frédéric Sarazin on a new undergraduate route into quantum engineering The post Building up the quantum workforce: an undergraduate route into industry appeared first on Phys...
Variational quantum algorithms have attracted attention for their potential to solve combinatorial optimization problems. We study how the choice of encoding affects the resource requirements and opti...
By Michael J. Biercuk and Alex Shih The relevance of quantum computing will ultimately hinge on one thing: whether a customer achieves a positive ROI from a quantum solution over an alternative comput...
Insider Brief PRESS RELEASE — SkyWater Technology, Inc. (NASDAQ: SKYT) (the “Company”), the largest exclusively U.S.-based, semiconductor foundry, today announced that its stockholders approved at a s...
Yuval Boger interviews Scott Aaronson, a UT Austin computer science professor known for his work on quantum computing theory. They explore the current state of quantum hardware, the narrowing case for...
It's hard to mix electronic manufacturing and flexible geometry.
Insider Brief PRESS RELEASE — Honeywell (NASDAQ: HON) today announced that Quantinuum, a leading, full-stack quantum computing company, has publicly filed a registration statement on Form S-1 with the...
Insider Brief Chinese startup CAS Cold Atom Technology said it has built what it’s saying is the world’s first dual-core neutral atom quantum computer. The claim comes as China pushed to compete in qu...
Insider Brief Machine learning already drives decisions across finance, drug discovery, logistics, and manufacturing. But the datasets and problems involved are growing in ways that strain classical h...
Insider Brief Business leaders watching quantum computing from the sidelines risk falling behind companies already shaping how the technology will create value, according to the MIT Sloan Management R...
Insider Brief PRESS RELEASE — Exactly five years after its launch, Graduate Ventures is celebrating its 80th investment. The milestone backing goes to FrostByte, a Delft startup whose technology makes...
Insider Brief Governments are establishing timelines for the transition to post-quantum cryptography, with requirements extending beyond public sector organizations. These timelines apply to federal a...
South Korea’s Ministry of Science and ICT (MSIT) has announced the expansion of its Post-Quantum Cryptography (PQC) pilot conversion project to five new critical infrastructure sectors: telecommunicat...
Quantum low-density parity-check codes are promising candidates for low-overhead fault-tolerant quantum computing, but degeneracy is known to impair the convergence of belief-propagation (BP) decoding...
The growing computational demands of classical neural networks have intensified the search for energy-efficient and powerful computational alternatives. Quantum neural networks (QNNs) implemented on i...
Insider Brief PRESS RELEASE — Bloq Quantum, a startup founded by a team of IISER and U of T Alumni, today announced the official launch of its drag-and-drop quantum computing platform. The platform he...
Intrinsically protected superconducting qubits are a promising route toward enhancing coherence times and advancing hardware towards applications in quantum computing. The $\cos(2\varphi)$ qubit achie...
Insider Brief PRESS RELEASE — Firgun Ventures, a $250 million Quantum fund, today announced its first European investment: Quantum Motion, a London-headquartered quantum computing scale-up. Firgun is ...
The cavity-mediated coupling between magnons in an yttrium-iron-garnet (YIG) sphere and a superconducting qubit has recently been demonstrated as a new platform for preparing macroscopic quantum state...
Insider Brief PRESS RELEASE — A group of physicists at ParityQC and the University of Innsbruck has introduced the Parity Unfolded Distillation Architecture, a fault-tolerant quantum computing scheme ...
We consider the kinematic axioms of quantum mechanics projectively. Instead of normalized (pure) states up to global phase, states become one-dimensional subspaces of vector spaces. This process of pr...
In a comprehensive architectural series, IonQ has detailed the "Walking Cat" blueprint, a complete engineering specification for a fault-tolerant quantum computer (FTQC) utilizing trapped-ion technolo...
Quantum simulation has begun to penetrate the field of quantum chemistry in hopes of efficiently calculating ground state energies and approximating real-time evolution. With modern research highlight...
Whether chirality-induced spin selectivity (CISS) reflects coherent SU(2) spin rotation or incoherent spin-dependent filtering is a central unresolved question in molecular spintronics, with implicati...
Insider Brief PRESS RELEASE — The Chattanooga Quantum Collaborative (CQC) and BuildWithin today launched the nation’s first quantum pre-apprenticeship: a paid, 12-week program built on the U.S. Depart...
Insider Brief PRESS RELEASE — Quandela and Safran Tech, Safran’s research and technology centre, have announced the launch of the AQeFLU research project. This partnership aims to develop new quantum ...
Variational quantum circuits with angle encoding implement truncated Fourier series, and architectures arranging $N$ qubits with $L$ encoding layers each -- sharing encoding budget $E = NL$ -- generat...
Insider Brief PRESS RELEASE — Quantum Motion, the leading company in silicon transistor-based quantum computing, today announced a $160 million Series C round to commercialize its scalable and energy-...
Large language models (LLMs) have transformed artificial intelligence, yet classical architectures impose a fundamental constraint: every trainable parameter demands classical memory that scales unfav...
We present a fault-tolerant mapping of rotated surface codes onto a $2\times N$ silicon spin-qubit railway architecture, utilizing electron shuttling to resolve the wiring fan-out bottleneck. Employin...
Gauge theories form the foundation of the Standard Model of particle physics. These theories can exhibit confinement, where charged particles only occur in bound states, connected by flux strings whos...
Recent demonstrations of squeezing generation using Traveling Wave Parametric Amplifiers (TWPAs) have opened the way for the application of broadband microwave squeezing in quantum sensing, quantum-en...
Single-photon sources that are bright, pure, and interference-ready are essential for quantum communication and photonic quantum information processing, but many solid-state platforms still rely on bu...
IonQ has announced its financial results for the first quarter ended March 31, 2026, marking the largest quarter in the company's history. The company reported triple-digit revenue growth and unveiled...
We present a scalable quantum simulation framework for real-time dynamics of the multi-flavor Gross-Neveu model in 1+1 dimensions. Using superconducting quantum processors at utility scale, we develop...
Insider Brief IonQ posted a sharp jump in quarterly revenue and raised its full-year outlook as the quantum computing company pushed deeper into government, research, and networking contracts, accordi...
The company reported Record GAAP Revenues of $64.7 Million, Representing 755% Year-On-Year Growth, Fueled by Quantum Computing Growth and Expansion of the Quantum Platform and raised full year guidanc...
Q-CTRL, in collaboration with IBM, has demonstrated what it defines as "practical quantum advantage" by utilizing the IBM Quantum Platform to simulate the Fermi–Hubbard model at a scale of 120 qubits....
Absolutely Maximally Entangled (AME) states are important resources in quantum information processing; however, a general systematic approach for constructing these states remains a formidable challen...
In this work, we explore the dynamics of quantum correlations, namely coherence, entanglement, and nonlocality associated with a Bell state, in a dimeric arrangement of organic PBI molecules, mediated...
Neutrino oscillations confirm the presence of mode entanglement, as each flavor eigenstate is composed of a coherent superposition of distinct mass eigenstates. In this work, we investigate the dynami...
by Dr. George Schwartz Executive Summary One pervading question in quantum computing has been whether commercially useful quantum advantage can be achieved with early, near-term devices — referred to ...
In the domain of variational quantum algorithms, quantum Fourier models (QFMs) provide a mathematically well defined structure for quantum machine learning (QML). There has been a substantial amount o...
The classification of general probabilistic theories (GPTs) whose CHSH value is stable under arbitrary rounds of teleportation and entanglement swapping was recently obtained in Dmello and Gross work ...
Insider Brief PRESS RELEASE — Haiqu, a leading developer of quantum middleware, today announced the launch of its Agentic Quantum Operating System (OS), the first full-stack quantum intelligence platf...
Quantum error correction (QEC) is essential for achieving low error rates required for fault-tolerant quantum computation. In stabilizer-based codes such as the surface code, errors are inferred from ...
Insider Brief PRESS RELEASE — ORCA Computing, a leading quantum computing company, and SiC Systems, a leader in physics-informed multi-agent AI for industrial process systems, today announced a strate...
Scientists have discovered the cause of a persistent glitch that continues to disrupt superconducting quantum computers, even when they have built-in defenses. For all their advanced hardware, superco...
Insider Brief PRESS RELEASE — What do cars, bridges and airplanes have in common? They are all exposed to the open air most of the time and are subjected to the sun’s ultraviolet (UV) radiation. Airpl...
We address the circuit-design problem of maximizing quantum magic in early fault-tolerant quantum computing (early FTQC), where logical dynamics natively take the form of alternating Clifford layers a...
Insider Brief PRESS RELEASE — Q-CTRL, the global leader in quantum infrastructure software, today announced it has achieved a 3,000 times speedup on a problem of commercial relevance using the IBM Qua...
Neutral atom platforms are analogue quantum simulators that offer the possibility to map graphs onto a 2D qubit register using programmable Rubidium atoms arrays, whose valence electrons' energy state...
Graph embedding is a recurrent problem in quantum computing, for instance, quantum annealers need to solve a minor graph embedding in order to map a given Quadratic Unconstrained Binary Optimization (...
Quantum low density parity check (qLDPC) codes, particularly bivariate bicycle (BB) codes, achieve competitive fault tolerance thresholds while offering substantially higher encoding rates than planar...
Quantum Key Distribution (QKD) enables Information-Theoretically Secure (ITS) key exchange, robust even against future quantum computing threats. However, a fundamental limitation of QKD is the requir...
Insider Brief PRESS RELEASE — The Quantum Volume (QV) test is an internationally applied benchmark originally proposed by IBM. The benchmark rigorously assesses and describes the computational power o...
Deep reinforcement learning (DRL), acting as a novel and powerful paradigm for quantum optimal control, offers transformative opportunities for advancing neutral-atom quantum computing. In this work, ...
Insider Brief PRESS RELEASE — The Korea Institute of Science and Technology (KIST) President Oh Sang-rok announced that it will participate in the SelectUSA Investment Summit 2026 as part of a Korean ...
We derive the unitary dynamics of a four-qubit isotropic Heisenberg XXX chain with tunable next-nearest-neighbor coupling $α$, initialized in a Bell-type product state. Closed-form expressions are obt...
Physicists at ParityQC have established that universal measurement-based quantum computing (MBQC) is possible using single-qubit measurements restricted entirely to the YZ-plane of the Bloch sphere. T...
https://youtu.be/6Rb4IfXNnAk Quantinuum and the BMW Group have formally expanded their ongoing collaboration into a multi-year partnership focused on accelerating future mobility through quantum-enhan...
AQT, the Innsbruck-based leader in ion-trap quantum computing, has unveiled its LYNX Series, a new generation of 19-inch rack-mounted quantum computers. The system has officially achieved a Quantum Vo...
Quantum Art, an Israeli trapped-ion quantum computing company, has announced the successful completion of a joint project with a leading Israeli governmental R&D agency to model electromagnetic wave p...
Connection-less, packet-switched quantum network architectures distribute entanglement across multi-hop paths through sequential entanglement swapping, in which each node acts on purely local state in...
This study investigates the performance and ergotropy protection of open collective quantum batteries subject to superradiant decay. By employing a passive spectral detuning strategy within an interme...
QuantWare, the Delft-based developer of superconducting quantum processing units (QPUs), has announced a $178 million (€152 million) Series B funding round. The investment, which represents the larges...
We report experimental digital quantum simulation of the one-dimensional Fermi-Hubbard model on a superconducting quantum processor at a scale beyond the reach of exact statevector simulation and chal...
The model of a topological quantum computer is a promising one due to its natural resistance to noise and other errors. Operations in such a computer are implemented by braiding the trajectories of an...
We revisit the reduction of Cheng and Wan, which transforms instances of the discrete logarithm problem (DLOG) over finite fields into a decoding problem for Reed--Solomon codes, and study how Regev's...
Shor's algorithm is one of the most promising applications of quantum computers. However, since $\sim 10^6$ physical qubits are believed to be required for established approaches, the algorithm will n...
Insider Brief PRESS RELEASE — QuantWare, the leading industrial quantum processor company, today announced a $178 million (€152 million) Series B round following the announcement of VIO-40K™, a quantu...
Insider Brief Horizon Quantum Holdings Ltd. reported wider losses and outlined a hardware-and-software integration strategy following its public listing, according to a company statement. The Singapor...
The quantum internet aims to interconnect distant devices and enable large-scale computation through distributed quantum algorithms. One of the key obstacles is communication latency during computatio...
Pauli-based computation (PBC) provides a universal framework for executing fault-tolerant quantum algorithms using Pauli measurements and magic states. In monolithic architectures, the serialized natu...
We isolate a geometric mechanism that complements the dynamical suppression of macroscopic interference: In a high-dimensional Hilbert space, almost all state vectors are nearly orthogonal, accommodat...
The computation of quantum entanglement can be formulated as a high-dimensional nonconvex optimization problem with orthogonality constraints. In this work, we propose structure-preserving consensus-b...
On noisy intermediate-scale quantum (NISQ) devices, expectation values of many observables are obtained through sampling-based approximations to trace-like quantities. A central limitation of this app...
Insider Brief PRESS RELEASE — Quantinuum and BMW Group have formally expanded their ongoing collaboration into a multi-year partnership with a mission to unlock future mobility by applying quantum com...
Insider Brief PRESS RELEASE — Clemson University is launching the South Carolina Quantum Sentinel (SC-Q-Sentinel), a ~$100,000 initiative focused on protecting smart city and Internet-of-Things (IoT) ...
Insider Brief PRESS RELEASE — Quantum Art, an Israeli trapped-ion quantum computing company providing full-stack solutions, today announced the results of a joint project with a leading Israeli govern...
We propose a quantum multi-level estimation framework for a functional $\sum_{i=1}^n f(p_i)$ of a discrete distribution $(p_i)_{i=1}^n$. We partition the values $p_i$ into logarithmically many interva...
Nonlocal entanglement generation among multiple remote quantum nodes provides a critical foundation for a variety of counterintuitive quantum applications. The exponential loss of photons transmitting...
Distributed quantum algorithms offer a promising pathway to scale variational quantum algorithms beyond the constraints of noisy intermediate-scale quantum hardware. However, existing approaches impli...
Insider Brief PRESS RELEASE — Quantum Machines (QM), the leading provider of hybrid quantum-classical control solutions, today announced the acquisition of TU Delft spin-off QHarbor and the opening of...
In this article, we take a close look at Entropy Quantum Computing (EQC), a computational paradigm developed by Quantum Computing Inc. (QCi), which deviates from mainstream quantum computing by embrac...
Entanglement detection is one of the important problems in quantum information theory. To deal with this problem, many entanglement detection criteria have been proposed. Among the proposed criteria, ...
Dual-species arrays of ultracold neutral atoms have recently attracted increased interest due to the ability to independently control different atomic species and tune the interatomic interactions. Th...
Continuous-variable quantum key distribution provides a theoretical unconditionally secure solution to distribute symmetric keys among users in a communication network. However, the practical devices ...
Quantum machines are among the most promising technologies expected to provide significant improvements in the following years. However, bridging the gap between real-world applications and their impl...
Among the limitations of current quantum machines, the qubits count represents one of the most critical challenges for porting reasonably large computational problems, such as those coming from real-w...
Insider Brief PRESS RELEASE — Scientists at Cleveland Clinic, RIKEN, and IBM (NYSE: IBM) have used IBM quantum computers and two of the world’s most powerful supercomputers to simulate protein complex...
Insider Brief The encryption protecting most of the internet is expected to become vulnerable to sufficiently advanced quantum computers. RSA and elliptic curve cryptography, which secure online banki...
A new quantum physics study reveals that simply changing a magnetic field over time can unlock entirely new forms of matter that don’t exist under normal conditions. By carefully “driving” materials w...
Insider Brief PRESS RELEASE — Quantum eMotion Corp. (“QeM” or the “Company”) (NYSE: QNC; TSXV: QNC-V; FSE: 34Q0), a leader in quantum-secure cybersecurity solutions, is pleased to announce the launch ...
Insider Brief PRESS RELEASE — Magnons are tiny waves in magnetisation and ideal building blocks for hybrid quantum systems and quantum metrology. However, their previously too-short lifetime of at mos...
Insider Brief PRESS RELEASE — Physicists at ParityQC have demonstrated that universal quantum computation driven purely by measurements in the YZ-plane of the Bloch sphere is possible. The resulting m...
Insider Brief Harvard researchers say progress in quantum computing is running ahead of schedule, a pace that has already spawned three startups and is drawing billions in private investment to a tech...
Insider Brief Every few months, a headline claims quantum computers are about to cure cancer or usher in a new era of artificial intelligence, but things aren’t that simple. Quantum computers cost ten...
Robert P Crease and Gino Elia unpick the strange “QBism” interpretation of quantum mechanics The post The strange metaphor of Euglena’s tail appeared first on Physics World .
Insider Brief IBM’s decision to put a quantum computer on the cloud 10 years ago helped transform a niche research field into a globally accessible computing platform with growing industrial use. On M...
Qruise has completed a proof-of-concept integration of its QruiseOS automated bring-up software at the Israeli Quantum Computing Center (IQCC). Utilizing Quantum Machines’ OPX1000 control system and t...
Qruise has announced a strategic collaboration with XeedQ and the Modular Supercomputing and Quantum Computing (MSQC) group at Goethe University Frankfurt to automate the calibration and control of ni...
Researchers from the Quantum Science Center (QSC), led by teams at Purdue University, Oak Ridge National Laboratory (ORNL), and IBM, have achieved the first digital quantum simulation of spin transpor...
QuantumDiamonds GmbH, a Munich-based specialist in quantum sensing for semiconductor testing, has successfully deployed its QDm.1 system at the Integrated Service Technology (iST) facility in Hsinchu,...
Insider Brief IonQ is positioning itself as a full-stack quantum technology provider with growing commercial traction, arguing that recent technical and financial milestones mark a turning point for t...
Yuval Boger interviews Joab Rosenberg, partner at Deep33, a new deep-tech venture fund focused on the future of compute. They discuss the fund’s investment thesis across quantum computing, AI infrastr...
The cascaded variational quantum eigensolver (CVQE) circumvents the need for iterative communication between the quantum and classical processing units that is necessary in the conventional VQE algori...
Fault-tolerant quantum computing is a promising tool for simulating molecules and materials, but frequently-considered applications require substantial resources, and the gap between hardware capabili...
The Traveling Salesman Problem (TSP) is a prototypical combinatorial optimization problem, but its quantum implementation is limited by the O(n^2)-qubit overhead of standard one-hot encodings. Here, w...
We investigate the quantum dynamics of a levitated nanoparticle in a structured light rotating saddle-like optical potential consisting of a superposition of Gaussian and Laguerre-Gauss modes with det...
Insider Brief PRESS RELEASE — Researchers at the University of Oxford have demonstrated a new type of quantum interaction using a single trapped ion. By creating and controlling increasingly complex f...
The accurate estimation of observables is a crucial task in quantum computing. Recent advances have highlighted the need for (a) specialized protocols for qudit-based devices, that include (b) error-a...
Accurate models of quantum processors are essential for understanding, calibrating, and improving their performance. In practice, model construction must balance physical detail against the experiment...
Reliable long-range qubit shuttling is a powerful tool for scalable quantum computing architectures. We investigate strategies to improve the coherence of moving spin qubits by performing continuous d...
PRESS RELEASE — Saarbrücken and Frankfurt, Germany | Monday March 23rd, 2026 – Following its ambition to become completely hardware agnostic, Qruise is working with XeedQ and the Modular Supercomputin...
High-fidelity logical \emph{T}-gate realization constitutes a core prerequisite for large-scale fault-tolerant quantum computing. However, conventional magic state distillation requires massive physic...
Insider Brief The U.S. House Committee on Science, Space, and Technology has advanced legislation that would extend and update the federal government’s quantum technology strategy, moving the effort o...
The Von Neumann entropy of reduced states is a measure of bipartite entanglement. Despite its name, the entanglement entropy cannot by itself be used as a resource for creating thermodynamic heat flow...
Attaining a quantum speedup in solving practically useful optimization problems has been one of the holy grails in the field of quantum computing. While prior approaches have demonstrated speedups for...
Nature Physics, Published online: 01 May 2026; doi:10.1038/s41567-026-03262-y Coupling semiconductor qubit devices to microwave resonators provides a way to transfer quantum information over long dist...