216 curated articles
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...
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...