259 curated articles
Insider Brief PRESS RELEASE — Alice & Bob, a leader in fault-tolerant quantum computing (FTQC) technologies, today announced a research collaboration with the CEA, a globally recognized scientific ins...
Insider Brief PRESS RELEASE — IQM Quantum Computers (Nasdaq: IQMX), a global leader in superconducting quantum computers, today announced a purchase agreement with the Eldorado Research Institute to d...
Insider Brief PRESS RELEASE — Mitsubishi Electric Corporation (TOKYO: 6503) announced today that two of its research and development (R&D) projects have been selected through a public solicitation by ...
Insider Brief PRESS RELEASE — Quantum B, Inc. (formerly Quantum Blockchains) announced that the European Patent Office (EPO) has granted the company a patent covering its Quantum Conference Key Agreem...
Insider Brief PRESS RELEASE — The U.S. National Science Foundation and United Kingdom Research and Innovation (UKRI) are bringing together scientists on opposite sides of the Atlantic to explore a sha...
Oracle has released Java 27 (Oracle JDK 27), introducing significant security and performance updates. A key feature is the integration of hybrid post-quantum cryptography for TLS 1.3, designed to pro...
Q*Bird has rebranded to Falqon Systems, signaling its expansion from hardware manufacturing to deploying end-to-end Quantum Secure Networks (QSN). The company, a spinout from QuTech and TU Delft, will...
The NSF and UKRI have jointly committed $10 million to fund eight transatlantic research teams in molecular quantum information science. This initiative, with $5 million from NSF and £3.7 million from...
How two research teams and a London based quantum hardware company are betting nanoscale gold can crack the stability-scalability problem that has stalled every other qubit platform. Insider Brief Qua...
Spain's CSIC has opened a Quantum Nanofabrication Area at IMB-CNM in Barcelona, a €6 million investment funded by Spain's PERTE Chip program and NextGenerationEU. This facility, equipped with advanced...
A collaboration between ORNL, IonQ, NVIDIA, and UT Knoxville introduced DQAOA-GPT, a generative AI framework that synthesizes quantum optimization circuits, eliminating iterative parameter-tuning. Thi...
Oxford Quantum Circuits (OQC) and Trust Base benchmarked hybrid quantum workloads for financial risk modeling, evaluating classical, hybrid quantum-classical, and fault-tolerant quantum algorithms for...
Quobly has successfully demonstrated single-chip execution of qubit readout, single-qubit gates, and two-qubit gates on its QSOI® architecture, fabricated on an industrial 300mm silicon process at STM...
Anderon LLC, an IBM subsidiary, secured $1 billion in CHIPS Act funding, supplemented by another $1 billion from IBM, to expand its 300mm pure-play quantum wafer fabrication facility at Albany NanoTec...
Distributed quantum sensing is an emerging application of quantum networking, where entangled probe states are employed to sense combinations of delocalized parameters with enhanced precision relative...
Insider Brief PRESS RELEASE — IonQ (NYSE: IONQ), the world’s leading full-stack quantum platform and foundry, today detailed joint research with Oak Ridge National Laboratory (ORNL), NVIDIA, and the U...
We show that boson sampling with an arbitrary $m$-mode interferometer and $n\le m$ single-photon inputs can be simulated to inverse-polynomial total-variation error by a logarithmic-depth qubit circui...
Quantum networks are resources for scaling quantum computers and distributed sensing technologies while offering post-quantum security benefits. Teleporting non-classical resources like entanglement, ...
This work studies the placement of an entanglement source along a communication line formed by two noisy qubit channels. Recent work argued, on analytical and numerical grounds, that midpoint placemen...
We give a quantum algorithm for Lindbladian simulation given a block encoding of the Hamiltonian $H$ and a projected unitary encoding of the stacked jump operator $B=\sum_{k=1}^m \lvert k\rangle\otime...
Insider Brief PRESS RELEASE — Quobly, a French quantum computing company developing industrially scalable quantum computers based on silicon spin qubits, today announces new results showing qubit read...
Insider Brief PRESS RELEASE — Planckian today announced that it has been selected for Phase 1 of the EuroHPC Quantum Grand Challenge, the European Union programme backing the quantum computing platfor...
Certifying nonclassicality without assuming any particular underlying physical theory constitutes both a foundational challenge and a requirement for device-independent protocols. Realizing such theor...
Quantum key distribution (QKD) enables secure underwater communications essential for maritime infrastructure. Underwater optical channels introduce substantial photon loss (erasures) and ambient nois...
Quantum neural networks (QNNs) are typically built from variational quantum circuits (VQCs), which are limited by local measurements. Adaptive non-local observables (ANO) address this by jointly optim...
We propose a compact NISQ-compatible quantum transformer architecture for synthetic QNLP sequence modelling. The model preserves the autoregressive next-token interface of a classical transformer, but...
The Hong--Ou--Mandel (HOM) effect is a hallmark of two-photon quantum interference, in which two indistinguishable photons impinging on a balanced beam splitter bunch into the same output port. Here, ...
Gate-defined hole spins combine strong spin-orbit coupling with exceptional strain sensitivity, making surface acoustic waves a natural route to remote, phase-coherent control. We show that counterpro...
Under the label of optical quantum computing, there are a variety of protocols and experiments that use the quantum properties of light to achieve a computational advantage over classical computing ma...
Insider Brief Beijing has launched a program to connect quantum technology companies with prospective customers in transportation, energy, finance and other industries, part of a broader effort to mov...
Can quantum entanglement continue to grow even after the entanglement entropies of subsystems have saturated? We address this question using genuine multi-entropy, which probes multi-partite entanglem...
Insider Brief PRESS RELEASE — Infleqtion, a global leader in quantum computing and quantum sensing powered by neutral-atom technology, today announced that Pranav Gokhale, Ph.D., Chief Technology Offi...
We establish unbounded two-use Holevo additivity gaps in finite dimensions. For each sufficiently large fixed integer $K$ and all sufficiently large $n$, we construct channels $T_n$ with output dimens...
Insider Brief PRESS RELEASE — Emergence Quantum today announced a partnership with hyperscale data centre specialist AirTrunk to bring cryogenic cooling and quantum computing to next-generation data c...
Fujitsu has open-sourced OpenQARP, a quantum application development framework, under the Apache License 2.0. Available on GitHub, it offers over 100 modular software components to simplify NISQ and F...
ParityQC has launched the Parity Twine Optimizer, a new compiler available through the IBM Qiskit Functions Catalog. This technology aims to improve quantum computing by natively mapping optimization ...
Quantum Computing Inc. has signed a three-year agreement with Hamad Bin Khalifa University in Qatar, focusing on quantum computing, sensing, and communications. This partnership will establish a Dirac...
TOYO Corporation has expanded its quantum hardware by acquiring an IQM Spark (5-qubit) in addition to its previous order of a 20-qubit IQM Radiance processor from IQM Quantum Computers. These systems,...
Hardware noise has been shown to significantly impact the accuracy of ADAPT-VQE, a ground state preparation algorithm. While previous work has studied the impact of noise on its parameter optimization...
Insider Brief PRESS RELEASE — Q*Bird announced today its transition into Falqon® Systems, introducing a new corporate identity that reflects the company’s strategic evolution from pioneering scalable ...
Recent advances in quantum computing have been driven primarily by improvements in hardware. Here we show that substantial gains can instead arise from how finite computational resources are allocated...
Scalable quantum computation is expected to rely on fault-tolerant quantum computation (FTQC), in which quantum error correction (QEC) suppresses physical errors sufficiently to support reliable logic...
By consuming multiple copies of an unknown qubit state, one can modify its purity while preserving the direction of its Bloch vector. We determine the maximum linear rate at which qubit states of diff...
Insider Brief PRESS RELEASE — Today we’re announcing work done by Iceberg Quantum and Diraq, leveraging early access to the newly announced Logical layer of the NVIDIA CUDA-Q platform. The work demons...
A system between a preparation and a post-selection has had no agreed state since 1964. With positivity as the criterion, a post-selection admits an interval of orderings around the symmetric one exac...
Insider Brief PRESS RELEASE — QC Design today announced an integration between Plaquette, its design-automation platform for fault-tolerant quantum computing (FTQC), and NVIDIA CUDA-Q Logical, the ope...
Entanglement in indistinguishable particle systems can be characterized by the impossibility of unambiguously attributing a complete set of physical properties to the individual constituent particles....
Simulating nuclear magnetic resonance (NMR) spectra is a promising application of quantum simulation. Using Quantinuum's System Model H2, a trapped-ion quantum computer, we demonstrate an end-to-end, ...
In order to solve practical problems on a quantum computer, it is necessary to use fault-tolerant quantum error correction schemes to overcome noise: the errors arising from imperfections in physical ...
In order to circumvent that no universal set of gates can be achieved on a given quantum error-correcting codes, additional gates can be performed through magic state injection. This however requires ...
We introduce a robust quantum communication protocol that integrates classical error-control coding, entanglement distribution, and superdense coding. Classical error-correcting codes are used to miti...
NVIDIA has launched CUDA-Q Logical, an extension to its open-source accelerated quantum computing platform, aimed at accelerating fault-tolerant quantum computing by unifying the design of high-level ...
Insider Brief PRESS RELEASE — IQM Quantum Computers, a global leader in superconducting quantum computers, today announced that TOYO Corporation has purchased a second full-stack quantum computer, IQM...
At IEEE Quantum Week 2026, IonQ presented nine peer-reviewed papers, with four receiving Best Paper Awards, showcasing advancements in hybrid HPC and quantum-AI workflows. Their work, utilizing IonQ's...
Insider Brief PRESS RELEASE — Fujitsu Limited today announced the global open-source release of its quantum application development software, Open Quantum Application Research Package (OpenQARP (code ...
QC Design has integrated its Plaquette platform with NVIDIA CUDA-Q Logical, announced on September 14, 2026. This integration allows for hardware-realistic fault-tolerant quantum computing (FTQC) simu...
At IEEE Quantum Week 2026, IQM Quantum Computers announced the adoption of NVIDIA CUDA-Q Logical within their Halocene quantum error correction product line. This integration allows for the standardiz...
BlueQubit has launched the "Quantum Flywheel" grant program, offering $150,000 in compute credits over three months for quantum algorithm discovery, adversarial classical simulation, and quantum error...
Quandela and NVIDIA have collaborated on a technical white paper outlining an architecture to integrate photonic Quantum Processing Units (QPUs) with classical AI and HPC environments using NVIDIA NVQ...
Anyon Computing has introduced an open-source, real-time quantum control system featuring NVIDIA NVQLink integration. This system unifies microwave control hardware and superconducting QPUs with CPUs ...
Insider Brief PRESS RELEASE — Building on our June announcement of a low-latency integration between a Quandela photonic QPU and NVIDIA AI infrastructure, the companies are publishing a technical whit...
The vast majority of modern quantum technologies—from quantum cryptography to the quantum internet to the quantum computer—rely on one essential element: the transmission of photons. Two qubits (two a...
Insider Brief PRESS RELEASE — BlueQubit announced the open call for its Quantum Flywheel grant program, a $150,000 initiative created with support from IBM, Amazon Web Services (AWS), and NVIDIA accel...
Insider Brief PRESS RELEASE — IonQ (NYSE: IONQ), the world’s leading full-stack quantum platform and foundry, today announced it will take part in the 2026 IEEE International Conference on Quantum Com...
Insider Brief PRESS RELEASE — Infleqtion (NYSE: INFQ), a global leader in quantum computing and quantum sensing powered by neutral-atom technology, today announced results from its integration of NVID...
Kiefer Vermeulen is research team lead at Delft Circuits in the Netherlands The post Ask me anything: Kiefer Vermeulen – ‘We had to figure everything out on a shoestring budget and on a really challen...
Insider Brief Dutch startup Fortaegis has raised $50 million to move its chip-based security technology into commercial production, targeting networks that connect AI systems, defense equipment, satel...
Insider Brief PRESS RELEASE — Quantum Machines, a leading provider of advanced quantum control solutions, today became the first control company to run an end-to-end NVIDIA CUDA-Q program across live ...
Researchers at Harvard have demonstrated a way to protect quantum information using microscopic sound waves. By continuously surrounding a diamond-based qubit with mechanical vibrations, they extended...
Klea Dhmitri of Hamamatsu joins Yuval to discuss the company’s role as a photonic component provider for trapped-ion and neutral-atom quantum computers. She explains key technologies such as photomult...
QClairvoyance Quantum Labs has partnered with IITM–C-DOT Samgnya Foundation, India's National Hub for Quantum Communication, to advance the Indian quantum ecosystem. This collaboration, under the Nati...
Qubic has secured a CA$1.5 million (US$1.08 million) contract with the Canadian federal government through the Innovative Solutions Canada (ISC) Testing Stream. The contract involves delivering nine K...
Insider Brief PRESS RELEASE — Quantum technologies are poised to transform fields ranging from medicine and sensing to computing and communications by manipulating the energy states of atoms and molec...
Insider Brief The Quantum Insider (“TQI”), the market intelligence platform for quantum technology, today launched Datasets: analyst-verified quantum market information, sold one dataset at a time as ...
Insider Brief Yahoo lost three billion accounts in 2013. Aadhaar had its own reckoning in 2018. Alibaba followed a year later. None of those breaches had anything to do with quantum computers, but the...
Insider Brief PRESS RELEASE — Qubic, a quantum technology company developing cryogenic, low-noise amplifiers for quantum computing and applications in sensing and defence, today announces it has signe...
Insider Brief PRESS RELEASE — BWT Alpine Formula One Team and SEALSQ (NASDAQ: LAES) today introduce an expanded collaboration that brings quantum-powered computation alongside quantum-secure infrastru...
Insider Brief PRESS RELEASE — QClairvoyance Quantum Labs Pvt. Ltd., an Indian deep-tech company focused on quantum technologies, has signed a Memorandum of Understanding (MoU) with IITM–C-DOT Samgnya ...
IQM Quantum Computers will deploy Europe's first logical-qubit-capable superconducting quantum computer, LUMI-IQ, at CSC's Kajaani, Finland data center. This system, co-funded by the EuroHPC Joint Und...
Altera and Riverlane have partnered to optimize quantum error correction (QEC) interfaces for Altera's Agilex FPGAs, enabling real-time QEC data movement and low-latency control. This collaboration, w...
The Clifford hierarchy is a nested sequence of sets of quantum gates that can be fault-tolerantly performed using gate teleportation within standard quantum error correction schemes. The importance of...
EFI pairs (Brakerski, Canetti, and Qian, ITCS 2023) and one-way puzzles (Khurana and Tomer, STOC 2024) are the leading candidates for the minimal assumption of quantum cryptography. The first are effi...
We prove an exponential strong converse for quantum communication through every finite-dimensional memoryless channel: at any fixed rate above the quantum capacity, the entanglement-transmission fidel...
Insider Brief PRESS RELEASE — Altera, the world’s largest pure-play FPGA solutions provider, and Riverlane, the world leader in quantum error correction (QEC) technology and tools, today announced the...
Neutral-atom tweezer arrays support scalable quantum information processing. Dual-species $^{87}\mathrm{Rb}$--$^{171}\mathrm{Yb}$ arrays combine long-lived ytterbium nuclear-spin data qubits with fast...
Entanglement Distance (ED) was originally proposed as a geometric measure of entanglement derived from the Fubini-Study metric on the projective Hilbert space. Independently, the Meyer-Wallach and Sco...
A quantum classifier assigns labels by evolving an input quantum state and measuring the output, so repeated executions reveal only a distribution over labels. We study certified adversarial robustnes...
In quantum physics it is commonplace to model the interaction of remote systems with a many-body Hamiltonian. Taking such an action-at-a-distance description {\it à la lettre} leads to various paradox...
Insider Brief PRESS RELEASE — Infleqtion, a global leader in quantum computing and quantum sensing powered by neutral atom technology, today announced a collaboration with Cisco to pursue joint resear...
The no-cloning theorem, the no-deleting theorem, the no-hiding theorem, the no-flip theorem, and the no-broadcasting play a crucial role in quantum mechanics and quantum information. In this paper, we...
Quantum game theory investigates the influence of quantum resources on strategic decision-making. In this work, two-player quantum games based on the Transverse Field Ising Model(TFIM) are investigate...
Insider Brief An open research project combining human scientists with AI agents has sharply reduced the estimated quantum computing resources needed for a key step in attacking the encryption used by...
Spin qubits in gate-defined quantum dots provide a highly programmable platform for simulating condensed-matter phenomena. In this work, we introduce a digital-analog quantum simulation protocol for e...
Product-formula Hamiltonian simulation is naturally suited to near-term quantum processors, but its accuracy is set by two competing errors: finite-step Trotter bias and physical hardware noise. We in...
Insider Brief PRESS RELEASE — California is building the future of computing, and Cal State East Bay is helping ensure its students have a pathway to it. A new $37.5 million National Science Foundatio...
Insider Brief Italy is seeking closer cooperation with IonQ and other U.S. technology groups as Rome tries to turn its scientific strengths into a more competitive quantum industry. Alessio Butti, Ita...
Insider Brief PRESS RELEASE — Xanadu Quantum Technologies Limited (“Xanadu“; NASDAQ/TSX: XNDU), a leading photonic quantum computing company, in collaboration with AMD today announced the release of B...
Quantum networks are transitioning from labo- ratory experiments to real-world deployments, with entangle- ment as their fundamental resource. Since an entanglement source effectively defines a quantu...
Insider Brief PRESS RELEASE — So far, quantum computers have been held back by their extreme sensitivity to errors and external disturbances. The longer a quantum operation takes, the greater the risk...
We propose a novel theoretical architecture for implementing a quantum random access memory (qRAM) based on quantum random walks in a Rydberg blockaded atomic ensemble utilizing multilevel Electromagn...
Quantum random access memory (qRAM) is crucial for overcoming data-loading bottlenecks in quantum machine learning; however, current physical implementations face severe scalability constraints. Tradi...
Quantum neural networks are a prominent model of quantum machine learning. Their training consists in the minimization of a given loss function over a parametrized family of quantum circuits, mathemat...
Reinforcement learning (RL) can automate quantum architecture search, but its scalability is limited when useful circuit trajectories become rare in the rapidly expanding search space. Existing replay...
Composition modulation is a powerful technique for designing materials with tailored properties, fueling the development of advanced semiconductor devices. In this work, we have implemented this techn...
Understanding symmetry restoration in isolated quantum many-body systems is an important problem in nonequilibrium many-body quantum physics. Recent studies have shown that the quantum Mpemba effect c...
Insider Brief PRESS RELEASE — Q.ANT, a leading provider of photonic processors for energy-efficient high-performance computing and artificial intelligence, is strengthening its leadership team with th...
Two sharp yes/no questions are mutually unbiased if and only if their involutions anticommute. A set of unbiased questions is therefore a Clifford algebra, whose maximal size is odd, meaning four anti...
Can propagating gravitational waves serve as operational probes of the quantum nature of gravity? We address this question by developing a unified theoretical framework that combines spacetime geometr...
Insider Brief Artificial intelligence agents can independently run many routine quantum-computing experiments, potentially reducing days of hands-on laboratory work while leaving scientists responsibl...
Insider Brief PRESS RELEASE — QNu Labs, a leading deep-tech cybersecurity company building quantum-safe solutions, has raised ₹200 crore (about $21 million USD) in Series A1 round led by the National ...
Insider Brief PRESS RELEASE — Fujitsu Limited (Fujitsu) and Yaqumo Inc. (Yaqumo) today announced that they have begun verifying quantum computing architectures and basic software on actual neutral-ato...
Insider Brief IonQ used its first investor day following the acquisition of SkyWater Technology to outline a more integrated strategy spanning quantum computers, semiconductor manufacturing, cybersecu...
Non-Gaussian gates remain a key bottleneck for universal continuous-variable (CV) quantum computation because the nonlinearities they require are difficult to engineer. To address this challenge, we d...
Dynamic circuits, which augment unitary operations with mid-circuit measurements and classical feedforward, can generate long-range entanglement in constant depth, enabling low-depth primitives rangin...
The compilation of an algorithm can vary significantly with the choice of physical hardware platform and error correction model. Yet, current compilation frameworks typically commit to a single archit...
We present a quantum-inspired Walsh/PCE solver for MaxCut based on sparse Pauli-correlation encodings. Instead of assigning one qubit or one variable to each graph vertex directly, the method represen...
We introduce a framework for distributed quantum inference under communication constraints. In our model, $m$ distributed nodes each receive one copy of an unknown $d$-dimensional quantum state $ρ$, b...
For decades, physicists have worked to prove the strange predictions of quantum mechanics with real experiments. As quantum computers have grown more powerful, researchers have devised increasingly so...
Insider Brief PRESS RELEASE — Sixteen finalists selected from more than 2,100 applications will present live at Constructor Start‘s fourth Demo Day on September 21 in Bremen, Germany, where the progra...
Insider Brief PRESS RELEASE — Quantum X Labs Inc. (Nasdaq: QXL) (“Quantum X Labs” or the “Company”), today announced the appointment of Professor Daniel Freedman as Distinguished Quantum Scientist, ef...
The Control Variational Quantum Eigensolver (ctrl-VQE) directly optimizes microwave pulses to enable faster and lower-error quantum-state preparation, but its continuous control landscape re- quires e...
Insider Brief PRESS RELEASE — IonQ (NYSE: IONQ), the world’s leading full-stack quantum platform and foundry, today announced IonQ Superion 256, its sixth-generation quantum computing platform. This s...
Insider Brief PRESS RELEASE — PsiQuantum announced today that the company has signed definitive documentation with the U.S. Department of Commerce for a $100 million award to strengthen American leade...
IonQ unveils Superion 256, its 6th-gen quantum platform manufactured with SkyWater. First ions trapped; orders open for 2027 customer delivery.
New IonQ paper models breaking 256-bit encryption in under 26 days with 20,000 qubits, signaling urgent need for post-quantum cryptography migration.
The performance of superconducting-qubit magnetometers depends not only on magnetic-field encoding during Ramsey interrogation, but also on how efficiently the encoded information is recovered during ...
We revisit gravitational decoherence of matter superpositions using the leading soft sector of the graviton $S$-matrix. Starting from Weinberg's soft theorem and the overlap of coherent radiation stat...
Predicting how molecular weight distribution and monomer sequence evolve during polymerization is central to polymer science, yet classical approaches face a trade-off between molecular resolution and...
In this paper we study performance of the subcarrier-wave quantum key distribution system (SCW QKD) in the presence of spontaneous Raman scattering (SpRS) noise generated by classical channels of dens...
Insider Brief Singapore and Luxembourg plan to deepen cooperation in quantum computing, artificial intelligence, space technology and satellite communications as the two small, trade-dependent nations...
In this paper we study the performance of subcarrier-wave quantum key distribution (SCW QKD) in the presence of classical channels of optical transport network utilizing dense wavelength division mult...
Quantum measurements of large qubit ensembles are often performed indirectly by coupling the ensemble to a detector and subsequently measuring the detector. Despite the importance of rapid collective ...
Guest Post by Edwin Mata, Co-Founder and CEO of Brickken Building financial infrastructure is strange: you have to make decisions today for assets that may still exist long after the underlying techno...
Insider Brief PRESS RELEASE — Fujitsu today announced that it has developed the world’s first working prototype of a diamond-spin quantum computer incorporating tin-vacancy (SnV) centers into photonic...
NEC Corporation has ceased its research and development into superconducting quantum computers, shifting focus to quantum-inspired annealing and classical emulation due to long commercialization timel...
Two superconducting qubits, a metre of cable apart, have been driven into an entangled state not in spite of their environment, but by it The post Noise that entangles may accelerate the dawn of quant...
Guest Post by Somtochukwu Igwegbe, African Quantum Consortium Correspondent, Research & Development, Quantum Africa. Quantum computing hardware is being built almost entirely outside Africa, in labora...
Insider Brief PRESS RELEASE — Quantum computers are being built in several ways: superconducting circuits, trapped ions, neutral atoms, semiconductor spins and photonics. Photonic quantum systems have...
Insider Brief NEC has ended its effort to build a working quantum computer, pulling back from a field that the company helped pioneer. The company discontinued development of a physical quantum comput...
Yuval Boger interviews Brian Gaucher, an experienced engineer and IBM veteran who co-chaired ERVA’s report Engineering Research to Advance Quantum Technologies. Brian explains that while U.S. quantum ...
Cécile Perrault is the new Executive Director of QuIC, Kevin Messerle is the new CFO of Atom Computing, and Albert Solana is the new Chief of Staff at Qilimanjaro Quantum Tech, all bringing their expe...
Insider Brief PRESS RELEASE — Europe’s quantum community gathered yesterday at the European Parliament for “Europe’s Quantum Moment: From Lab to Leadership”, an event hosted by MEP Dr. Sergey Lagodins...
Time-series foundation models produce rich embeddings, but whether quantum models can exploit them, and how far hybrid classical-quantum architectures scale, remains unclear. We address this by fine-t...
Change detection in synthetic aperture radar (SAR) and interferometric synthetic aperture radar (InSAR) underpins disaster response, infrastructure monitoring and land-use enforcement. Detection is li...
Quantum-state texture (QST) has found applications in several fields from quantum foundations and computation to quantum criticality. However, a general theory of QST dynamics under arbitrary physical...
Insider Brief Quantum computing has attracted billions in investment, sustained media attention, and some of the most concentrated scientific talent on a single engineering problem. Progress has been ...
The struggle of the hour in quantum computing research is achieving effective suppression of the error mechanisms induced by the interaction of external radiation with superconducting quantum devices....
Tunable couplers have enabled two-qubit gate fidelities in superconducting quantum processors to approach $99.9\%$, yet simultaneously suppressing residual interactions and maintaining flexible qubit-...
Formalizing mathematics in a proof assistant, where a machine checks every definition, statement and proof, has set a new standard of rigor. Large language models are now capable of formalizing autono...
We study the operator entanglement of local operators in one-dimensional brickwork circuits whose two-site gate satisfies the braid relation; throughout this work, we call such a gate a Yang--Baxter g...
As quantum hardware scales to larger devices, the classical software layers that interface with it must evolve in step. Postprocessing routines developed and tested primarily in simulator settings can...
We introduce Lindblad Multiproduct Formulas: a quantum error mitigation technique that uses two-dimensional tensor networks contracted with loop-corrected belief propagation. The quantities required t...
Research center Forschungszentrum Jülich and University of Siegen spin-off eleQtron GmbH have officially brought the JION (Jülich trapped-ION) quantum computer into operation at the Jülich Supercomput...
Technology firm Quantum Foundry Copenhagen and the Novo Nordisk Foundation have announced plans to construct a 5,300 m² commercial quantum chip fabrication facility in Copenhagen, Denmark. Operational...
Efficiently characterizing quantum error correcting codes is a key challenge on the path to fault-tolerant quantum computation. Stabilizer codes, a central class of such codes, are defined by a set of...
Insider Brief PRESS RELEASE — QunaSys Inc. (headquartered in Bunkyo-ku, Tokyo; Representative Director and CEO: Tennin Yan; hereinafter “QunaSys”), a company specializing in the development of quantum...
Different sets of local correlations are not equivalent: some fragments of reduced data uniquely determine a global quantum state, while others leave it ambiguous. The quantum marginal problem asks wh...
Insider Brief MIT researchers have designed a quantum computing component that simulations suggest could perform faster operations while preserving stored information. It’s an advance that potentially...
Insider Brief Germany’s Forschungszentrum Jülich has inaugurated a quantum computer intended to help researchers and companies test how quantum processors can work alongside conventional supercomputer...
Insider Brief PRESS RELEASE – Scientek Corporation (科榮股份有限公司) and Classiq, the leading quantum computing software company, today announced a go-to-market agreement to expand access to Classiq’s hardwa...
Insider Brief PRESS RELEASE — Today, Quantum Foundry Copenhagen and the Novo Nordisk Foundation announce plans to establish a new 5,300 m² quantum chip fabrication facility in Copenhagen. The facility...
Quantum sensing using nitrogen-vacancy (NV) centers in diamond has emerged as a powerful platform for detecting ultra-low magnetic fields under ambient conditions. Owing to their long spin coherence t...
As quantum computing continues to scale, quantum measurement and control (QMC) are increasingly constrained by calibration workflow complexity and by requirements for low-latency execution, robust exc...
Trapped-ion quantum hardware developer Quantinuum (NASDAQ: QNT) and integrated energy firm Aramco have executed a non-binding Memorandum of Understanding (MoU) during the LEAP technology conference in...
Distributed quantum computing (DQC) offers a promising approach to scale quantum computing by overcoming the resource limitations of a single quantum processor. However, inter-node communication remai...
High-rate quantum low-density parity-check (qLDPC) codes can substantially reduce qubit overhead relative to surface codes, but their advantage depends on efficiently realizing nonlocal syndrome extra...
Interactions between a quantum system and its environment can inject ergotropy into the system, raising the question of the minimal dimensionality and physical resources required for such injection. W...
Twin-field (TF) quantum key distribution (QKD) offers a promising approach to long-distance QKD networks due to its superior performance over large channel losses. Due to specialized hardware requirem...
There is an extensive body of research probing the potential of adiabatic quantum computation and quantum annealing to solve hard computational problems. This research endeavor is complicated by noise...
Jets are central to the physics programs of both current and future colliders, from precision Standard Model measurements and searches for new physics at the Large Hadron Collider to studies of nucleo...
Floquet driving uses periodic controls to tailor the behavior of quantum systems, with applications in quantum analogue simulation, sensing, and the protection of quantum information. Most approaches ...
A quantum system of any fixed dimension can be prepared in a continuum of states, yet it cannot be used to transmit an unlimited amount of classical information. Similarly, the correlations observed b...
Exact CNOT synthesis asks for a minimum-size CNOT circuit implementing an invertible linear transformation. Although several related synthesis models have been shown to be computationally hard, their ...
Quantum benchmarks provide compact measures of performance that are important for evaluating and comparing quantum systems. Circuit-level benchmarks are particularly valuable because they capture the ...
Quantum low-density parity-check (qLDPC) codes admit high encoding rates but require nonlocal entangling gates for syndrome measurement. Instead of physically moving the qubits which slows down with t...
We present an operator-decomposition architecture that mathematically maps a global operator into independently executable local operators, reducing the maximum quantum circuit depth at the cost of cl...
Insider Brief PRESS RELEASE — Quantinuum, a leading quantum computing company, today announced the signing of a non-binding MOU with Aramco, one of the world’s leading integrated energy and chemicals ...
Insider Brief PRESS RELEASE — Quantum Motion, the leader in silicon spin-based quantum computing, today announced the second close of its series C funding round to accelerate the scale-up of its fault...
Digital quantum computing platform developer SEEQC has signed a Memorandum of Understanding (MoU) with Taiwan’s Quantum Industry Technology Promotion Office (QITPO)—an agency established under the Min...
Post-quantum semiconductor hardware vendor SEALSQ Corp (NASDAQ: LAES) and embedded cryptography developer wolfSSL Inc. have announced native wolfTPM software support for SEALSQ’s QVault TPM hardware s...
We prove that, for an $n$-qubit system of dimension $d=2^n$, every state satisfying $\operatorname{Tr}(ρ^2)\le 1/(d-a_\ast)$, with $a_\ast=0.458327\cdots$, lies inside the stabilizer polytope and is t...
George Mason University has entered into a strategic hardware partnership with Oxford-based quantum infrastructure firm TreQ to deploy an open-architecture quantum computer at its Northern Virginia ca...
Insider Brief Andhra University intends to set up Centres of Excellence covering quantum technology, AI systems, and semiconductors, Vice-Chancellor G.P. Raja Sekhar said Tuesday, The Hindu reported. ...
Random quantum objects are powerful resources for quantum information processing, yet exact Haar randomness is costly and typically unnecessary. We introduce an explicit sparse commuting circuit ensem...
Researchers from MIT have designed a new qubit architecture that enables qubits to interact with each other much more quickly while remaining very stable. This advance could someday help scientists bu...
Insider Brief PRESS RELEASE — Quantum computers have arisen as a possible solution for highly complex mathematical problems, offering “quantum advantage” over classical computers in certain cases. Th...
We present a permutation-symmetric supporting relation between the pairwise concurrences and the three-tangle in three-qubit system, whose extrema are attained only by the symmetric $W$ and GHZ local-...
The Kibble-Zurek mechanism (KZM) and finite-time scaling (FTS) provide a foundational framework for driven critical dynamics, yet their predictive power has been largely confined to local observables....
Insider Brief PRESS RELEASE — Quobly, a French quantum computing company developing silicon spin qubit processors for industrial-scale deployment, and Orange Quantum Systems (OrangeQS), a company base...
Quantum error correction acts as an entropy pump, transferring noise-induced uncertainty from a protected quantum system into syndrome information stored in an auxiliary memory. Repeated operation req...
Insider Brief PRESS RELEASE – George Mason University and Oxford-based frontier computing company TreQ announced a groundbreaking partnership to bring open-architecture quantum infrastructure to the C...
The hidden world of quantum mechanics exists at scales many orders of magnitude smaller than living organisms, yet scientists have long theorized that quantum effects play an important role in biology...
Insider Brief China is adding venture-style financing to its state-led quantum strategy, combining public capital with regional investment networks to accelerate the formation of technology companies....
High-dimensional simulation of multivariate extremes is fundamentally limited by the combinatorial complexity of dependence, often more than by the scarcity of extreme observations. We show that symme...
Insider Brief Kensho and leading quantum computing software company Classiq today announced that they have entered into a market development partnership agreement to expand access to the Classiq quant...
Insider Brief PRESS RELEASE – SEEQC, Inc. (“SEEQC” or the “Company”), a chip-based quantum computing company, today announced the signing of a Memorandum of Understanding (“MOU”) with Taiwan’s Quantum...
Bilayer graphene (BLG) quantum dots (QDs) are a promising platform for semiconductor qubits. However, the low-frequency charge noise that may ultimately limit coherence has remained largely unexplored...
We introduce Coherent Quantum Learning (CQL), a training framework for quantum learning models in which the model parameters are quantum degrees of freedom evolved under a Hamiltonian that encodes the...
Numerical integration with Monte Carlo methods is a central computational task in many scientific and industrial applications, including financial derivative pricing and risk management. Classical Mon...
Quantum batteries have emerged as a promising new generation of energy-storage devices for powering quantum technologies. Long-distance charging is particularly attractive because it minimizes interfe...
Insider Brief The IBM Quantum Nighthawk r2 processor can execute more than 100,000 quantum circuits per second, according to a post published on the IBM Quantum site. That is 25 times the circuit thro...
Quantum repeaters are essential for establishing long-distance quantum communication to overcome the exponential decay of entanglement due to photon loss. Traditional repeater architectures rely on ph...
Quantum computing developer Rigetti Computing and researchers from Purdue University have published joint research extending Rigetti's quantum preconditioning framework to hard-constrained combinatori...
Neutral-atom quantum hardware vendor Pasqal (Nasdaq: PSQL) and Saudi deep-tech startup True Nexus have announced a technical milestone in applying quantum computing to structural biology. Supported by...
A key challenge in practical quantum machine learning (QML), particularly for discriminative tasks such as classification, is the limited capacity of near-term quantum devices to encode high-dimension...
Quantum error correction (QEC) is beginning to enable logical operations that outperform their unencoded physical counterparts, but useful fault-tolerant computation will require more than low-error q...
Insider Brief PRESS RELEASE – Quobly, a French quantum computing company developing industrially scalable quantum computers based on silicon spin qubits, and TNO, the Netherlands Organisation for Appl...
Insider Brief PRESS RELEASE – Quandela, a leading player in photonic quantum computing technologies, has signed a memorandum of understanding with CMC Microsystems to join the Quantum Computing Sandbo...
Simulating quantum error correction (QEC) circuits including non-Clifford gates at scale is important to accelerate progress toward fault-tolerant quantum computing. Here we demonstrate that matrix pr...
Flux noise is unanimously recognised as a leading dephasing mechanism for flux-tunable superconducting qubits. However, our microscopic understanding remains incomplete, and basic effects like Faraday...
Unlike standard quantum teleportation, many-body teleportation uses scrambling to transmit quantum information. In this protocol, initially localized information spreads over many degrees of freedom a...
Distributed architectures have been proposed as a pathway to large-scale quantum computers. Combined with the need for fault-tolerance, such architectures require distributed quantum error correction ...
The radiative properties of quantum emitters are profoundly influenced by their electromagnetic environment. When coupled to a waveguide terminated at one end by a mirror, distant emitters interact st...
Insider Brief PRESS RELEASE — An international team including Nobel Prize-winning physicist Professor Sir Roger Penrose has observed a long-predicted effect of gravity on a falling quantum object for ...
Gottesman-Kitaev-Preskill (GKP) codes provide a family of promising schemes for encoding discrete quantum information (qudits) into infinite-dimensional bosonic modes based on mathematical lattices. W...
French silicon quantum computing developer Quobly has signed two strategic cooperation agreements in the Netherlands with the Netherlands Organisation for Applied Scientific Research (TNO) and automat...
IBM Quantum has announced the official release of IBM Quantum Nighthawk r2 (deployed as ibm_phoenix), its fastest quantum processing unit (QPU) to date. Built on a square-lattice architecture, the 120...
Post-quantum cryptography (PQC) provider QuSecure, Inc. has demonstrated operational readiness for its flagship cybersecurity platform, QuProtect R3, at the U.S. Army’s Project Convergence Capstone 6 ...
Photonic quantum hardware developer PsiQuantum and the U.S. Department of Energy’s (DOE) Brookhaven National Laboratory have established a strategic software collaboration to accelerate the developmen...
The demonstration that enhanced yellow fluorescent protein hosts an optically addressable spin-1 qubit in its metastable triplet state raises the prospect of genetically encoded quantum sensing at mol...
Fault-tolerant quantum computing requires not only reliable logical qubit storage, but also the ability to perform high-fidelity logical operations between error-corrected qubits at scale. While much ...
A key task in many quantum-computing applications, e.g., quantum simulation and quantum state tomography (QST), is to partition an arbitrary set of operators into mutually commuting subsets for effici...
Insider Brief PRESS RELEASE – Pasqal (Nasdaq: PSQL), a global provider of neutral-atom quantum computers, and True Nexus, a computational intelligence company focused on making protein functionality p...
Long-lived storage of single photons under the form of atomic excitations is at the foundation of long-distance entanglement distribution in quantum networks. To mitigate decoherence effects induced b...
Logical fusions are important for a number of tasks in quantum information, such as quantum error correction and quantum repeaters. In the photonic setting one must contend with the fact that physical...
Insider Brief PRESS RELEASE — Ramboll has completed the specialized facilities that will house MAGNE, one of the world’s most powerful commercial quantum computers. The milestone enables QuNorth to be...
Insider Brief Saudi Arabia’s King Abdulaziz City for Science and Technology (KACST) signed a research partnership with Imperial College London to advance quantum brain research, study quantum mechanic...
Photon-number-resolving (PNR) detectors are essential for photonic quantum computing, where a single measurement outcome must reliably herald a specific quantum state. However, detector fidelity is co...
Insider Brief Quantum computing users are pushing toward larger circuits while concentrating most jobs on cheaper hardware, offering an early view of how price, speed and technical needs are shaping d...
Guest Post By Ryan Kirkley, Founder & CEO, Global Settlement Holdings. A temporal asymmetry lies at the heart of financial infrastructure. Settlement systems and payment rails are built to run for thi...
Continuous-variable quantum systems offer a resource-efficient route to universal quantum information processing and analogue quantum simulation of real-world processes, such as molecular physics and ...
Precise control of multi-qubit architectures remains a critical bottleneck in superconducting quantum processors. In this work, we investigate the synthesis of high-fidelity quantum operations and sta...
Insider Brief The technologies changing defense, medicine and finance are advancing faster than the institutions expected to manage them. Getting the right people in the same room is a critical step t...
Insider Brief Toronto-based materials startup Meissner has raised $2.6 million in pre-seed financing to search for superconductors that could support advances in quantum computing, fusion energy and o...
By Doug Finke You may be a manager in a large enterprise and have been reading popular press reports on quantum technology and wondering if it is something that you might use to improve your operation...
U.S. Congressman Nick Langworthy (R-NY-23) has introduced H.R. 10163: The American Quantum Competitiveness Act, federal legislation establishing the U.S. Department of Commerce as the lead federal age...
Trapped-ion hardware provider IonQ (NYSE: IONQ), high-performance computing leader NVIDIA, and quantum software startup qBraid have published joint research demonstrating an application-native error m...
The MIT Quantum Initiative (QMIT) has launched a new postdoctoral fellowship program supported by a grant from the Gordon and Betty Moore Foundation. Designed to accelerate interdisciplinary quantum r...
Fault-tolerant quantum computation fundamentally relies on encoding a logical qubit into a structured block of physical qubits, typically in the tens to hundreds. As a trade-off for improved fault-tol...
Advancing quantum information technologies requires qubits whose coherence can be precisely engineered. Among the qubit platforms in development, molecular spin qubits (MSQs) stand out for their atomi...
Present-day quantum processors are open systems in which dissipation and decoherence degrade the information carried by a quantum state as it propagates through a circuit. We study this degradation in...
Programmable quantum annealers can realize real-time dynamics of frustrated transverse-field Ising models on large, nontrivial graphs. Recent work by King et al. argued that the classical simulation o...
We construct a constant-degree and constant-gap quantum expander on $n$ qubits where each unitary can be implemented by a depth-$1$ and 1D circuit of Pauli or CNOT gates. We provide two applications o...
We give a sampling problem that is solvable by shallow quantum circuits, hard for polynomial-time classical algorithms under lattice-based assumptions, and efficiently verifiable by a classical comput...
Quantum software developer QC Ware and trapped-ion hardware vendor IonQ (NYSE: IONQ) have demonstrated a hybrid quantum-classical chemistry workflow combining QC Ware’s Promethium® platform with the I...
We comment on the recent work [Eur. Phys. J. C 86, 988 (2026)], which investigates quantum resources in polarized hyperon--antihyperon systems using correlated dephasing channels with memory. Although...
Fast, high-fidelity, scalable state preparation and measurement is critical to the realization of a quantum computing system. The state-of-the-art methods for preparation and readout of superconductin...
Quantum computing is entering an era where quantum processing units (QPUs) with tens to hundreds of qubits are increasingly integrated with high-performance computing (HPC) systems to support hybrid q...
Quantum Key Distribution (QKD) offers information- theoretically secure key establishment grounded in the laws of quantum physics, yet its practical reach is limited by the prohibitive cost of photoni...
Sampling-based quantum diagonalization method exploits Quantum-centric supercomputing platforms to sample bitstrings for Hamiltonian projection on a quantum computer, and then classically diagonalize ...
Insider Brief PRESS RELEASE – QC Ware today announced a technology demonstration of a hybrid quantum-classical chemistry workflow using its Promethium® platform and IonQ‘s Forte trapped-ion quantum co...
This paper introduces QXymb, a general framework for constructing observational declarative twins of quantum circuits, and develops QILP-0, its first complete order-0 specialization. QILP-0 constructs...
Photonic fusion operations are a central primitive in photonic quantum information processing and are commonly characterized by their success probability and resource cost. Here, we identify an additi...
Guest Post By Ian Foley The problem with quantum computing is not that the industry is moving too slowly. It is that different parts of it are moving at very different speeds. The science is advancing...
Insider Brief Researchers have developed a software package that uses quantum and classical computing to search for the shapes of short peptides, a package that could serve as an early approach to stu...
Insider Brief PRESS RELEASE — The MIT Quantum Initiative (QMIT) has launched a new postdoctoral fellowship program to accelerate interdisciplinary quantum research and develop the next generation of s...
Neutral-atom quantum hardware vendor Pasqal (Nasdaq: PSQL) and Saudi Arabia’s King Abdulaziz City for Science and Technology (KACST) have signed a strategic research collaboration agreement to advance...
Silicon spin-qubit hardware vendor Diraq and global digital infrastructure provider Equinix, Inc. (Nasdaq: EQIX) have announced plans to deploy an eight-qubit quantum processing system inside an opera...
Photonic quantum computing developer Xanadu (NASDAQ/TSX: XNDU) has released an expanded, milestone-driven technical roadmap detailing hardware performance indicators, quantum error correction (QEC) ta...