Research
Research explainers and indexed items
Explore quantum research records by topic, venue, publication date, summary, and the companies or ecosystem signals they help explain.
Classical versus non-classical photon states for detecting vacuum non-linearity
arXiv Quant-Ph Recent
A 21 August 2026 arXiv preprint compares classical and non-classical photon states for experiments seeking QED vacuum non-linearity, including PVLAS and all-optical four-wave-mixing configurations.
2026-08-21
Slepian Bounds on the Success Probability of Virtual Distillation
arXiv Quant-Ph Recent
A 21 August 2026 arXiv preprint develops bounds on virtual-distillation success probability, framing the error-mitigation method as a spectral filter and deriving limits from a Slepian concentration operator.
2026-08-21
Scalable Quantum Machine Learning: Trainability, Expressivity and Efficiency
arXiv Quant-Ph New
An updated 20 August 2026 arXiv preprint presents fermionic quantum-machine-learning circuit architectures intended to balance trainability, expressivity, classical-simulation hardness, and gradient-evaluation cost.
2026-08-20
Measurement-Feedback Quantum Information Engine: Coherence-Transition Interference and Correlated Work Statistics
arXiv Quant-Ph Recent
A new arXiv theory paper studies how measurement feedback and correlated records shape work statistics in a quantum information engine, including a coherence-transition interference contribution.
2026-08-14
Current fluctuations in a non-additive open quantum system: breakdown of the quantum-jump approach
arXiv Quant-Ph Recent
A new arXiv paper evaluates quantum-jump descriptions of current fluctuations in non-additive open quantum systems and identifies conditions under which imperfect jump detection recovers Landauer-Büttiker results.
2026-08-14
A Quantum Optimization Framework for Data-Assimilation-Augmented Parameter Estimation
arXiv Quant-Ph New
A new arXiv paper presents a hybrid workflow that keeps data assimilation and dynamical simulation classical while using a QUBO-to-Ising formulation for quantum-assisted parameter estimation.
2026-08-12
A scalable edge-pass Purcell filter for high-fidelity readout of superconducting qubits
arXiv Quant-Ph New
A new arXiv hardware paper introduces edge-pass Purcell filters for superconducting-qubit readout, reporting 99.46% to 99.49% average readout fidelity with compact high-pass and low-pass implementations.
2026-08-13
Quantum Error Management in Practice: A Cross-Stack Benchmark
arXiv Quant-Ph New
This arXiv preprint benchmarks IBM Qiskit Runtime, Q-CTRL Performance Management, and Qedma QESEM on IBM Pittsburgh, a 156-qubit Heron r3 processor. On the reported sampler and estimator workloads, the study finds material accuracy improvements from managed mitigation and suppression approaches, while documenting distinct accuracy-versus-reported-QPU-time tradeoffs.
2026-08-05
Bell nonlocality from twisted statistics
arXiv Quant-Ph Recent
This arXiv preprint studies Bell correlations for a free real quantum scalar field on a noncommutative Moyal plane. The authors show that twist phases in multiparticle statistics can generate entanglement between wave-packet modes and that suitable local measurements can violate the CHSH Bell inequality, providing an operational probe of the noncommutative multiparticle sector.
2026-08-06
Local Uniqueness of the Born Rule on Categories with Complex-Weighted Morphisms
arXiv Quant-Ph New
This arXiv preprint proves a local uniqueness result for the Born rule in small categories with complex-weighted morphisms. Under non-negativity, bounded-degree polynomiality, global phase invariance, classical-limit path additivity, and normalization, it derives the probability assignment P(z)=|z|^2 and identifies global coherence under morphism composition as an open extension.
2026-08-04
Dimension-Free Polylogarithmic Quantum Shadow Tomography from Sequential Pretty-Good Measurements
arXiv Quant-Ph Recent
This arXiv preprint presents a shadow-tomography protocol with dimension-independent sample complexity and polylogarithmic dependence on the number of observables. The authors state that it answers Aaronson’s original dimension-independent sample-complexity question and gives an exponential improvement over the prior dimension-independent result, using sequential pretty-good measurements and a refined error analysis.
2026-08-06
Fermionic entropy: an efficiently measurable strong monotone for non-Gaussianity
arXiv Quant-Ph Recent
This arXiv paper defines fermionic entropy from the squared Frobenius norm of a state’s correlation matrix and proves it is a strong pure-state Gaussian monotone. It gives a system-size-independent O(epsilon^-2) two-copy estimator for fermionic purity, a linear sample-complexity result for tolerant testing of fermionic Gaussian states, and lower bounds on the number of non-Gaussian gates needed for approximate designs generated by doped Matchgate circuits.
2026-07-31
Experimental Demonstration of a Measurement-Feedback Quantum Information Engine
arXiv Quant-Ph New
This arXiv paper reports an experiment in a trapped 40Ca+ ion system implementing a measurement-feedback quantum information engine. The authors report a stable operating regime with resolved energetic balance and show that measurement angle and stroke duration tune measurement-induced coherence and quantum inner friction, with measured operating points reported beyond the Otto-limit benchmark and with improved efficiency-power trade-offs.
2026-07-30
Online Shadow Tomography Matching the Classical Bounds
arXiv Quant-Ph Recent
This arXiv paper gives two online shadow-tomography protocols whose sample-complexity bounds match the best classical adaptive-data-analysis rates. One bound improves the dependence on the number of adaptive observables, dimension, and error, while the other is dimension-independent and improves the prior result by a square-root-of-m factor up to logarithmic factors. The proof uses a quantum Efron-Stein decomposition to control post-measurement damage.
2026-07-31
Cascading amplifiers can create exponentially large coherence
arXiv Quant-Ph New
This arXiv paper theoretically proposes cascaded linear amplifiers with conventional couplings as a route to coherence that can scale exponentially with the total source excitation number. The authors show in theory that two amplifiers can exceed the standard laser coherence scaling, while explicitly presenting the result as a proposal rather than an experimental demonstration.
2026-07-30
Designing tight frames for quantum computing
arXiv Quant-Ph New
This dissertation studies harmonic tight frames through representation theory, group frames, separability, entanglement, and POVM construction. It gives conditions for separability of harmonic frames and describes circuit examples for implementing cyclic-group harmonic frames as quantum measurements using Fourier and permutation matrices.
2026-07-28
On Optimal Measurement-State Preparation via Geometric Transport of the Squeezing Ellipse
arXiv Quant-Ph Recent
This arXiv preprint develops a geometric framework for preparing squeezed quantum states for optimal measurement. It treats the squeezing-ellipse orientation as an additional geometric degree of freedom, connects its transport to the solid angle of a controlled SU(2)/SO(3) trajectory, and outlines polarization-squeezed light with a continuously varying birefringent element as an implementation example.
2026-07-30
Lifting Lifted Product Codes
arXiv Quant-Ph Recent
This arXiv preprint introduces a systematic construction of lifted-product quantum low-density parity-check code families using group extensions and graph lifts. It relates code parameters, logical operators, and fault-tolerant code-surgery gadgets through chain and cochain maps, reports improved parameters for selected codes, and studies finite-size coherent-information crossings.
2026-07-30
Fault-Tolerant Logical Operations and Efficient State Preparation in Modular Quantum Architectures with Noisy Interfaces
arXiv Quant-Ph Recent
The paper studies modular quantum computing with noisy interfaces, including nonlocal CNOT gates between QPUs connected by noisy Bell pairs. It reports that interfaces can tolerate substantially more noise than intra-QPU operations and proposes a lower-overhead protocol for distributed fault-tolerant logical GHZ-state preparation.
2026-07-29
Quantum mechanics on the line with two origins
arXiv Quant-Ph New
The paper studies scalar and spinorial quantum dynamics on a non-Hausdorff line with two origins. It finds the natural scalar free theory is equivalent to the ordinary real-line theory, while a nontrivial spin structure produces a node and a reflecting Friedrichs Hamiltonian.
2026-07-24
Practical Quantum Topological Data Analysis with Applications to High-Dimensional Feature Extraction and Time Series Analysis
arXiv Quant-Ph Recent
The paper frames quantum topological data analysis as a feature-extraction method rather than only a route to exact Betti-number estimation. It reports applications to fMRI and financial time-series analysis, a moment-based algorithm, resource estimates, crossover projections, and experimental results from a Barium development system.
2026-07-29
Malleability of transformations on the ciphertext in noisy Quantum public key encryption
arXiv Quant-Ph New
The paper explores noisy quantum public-key encryption and relates ciphertext malleability assumptions to everlasting-security analysis. It uses trace-distance bounds and an adaptation of the Gentle Measurement Lemma to discuss security thresholds in a noisy setting.
2026-07-27
Observable Estimation in the Absence of Classical Verification
arXiv Quant-Ph Recent
The paper presents a framework for independently validating quantum estimates when exact classical verification is unavailable. It studies semi-scrambling dynamics with an operator Loschmidt echo on superconducting quantum hardware and combines consistency tests with noise-model validation to support error-bounded estimates.
2026-07-28
Can a quantum circuit detect the Unruh effect?
arXiv Quant-Ph New
The paper proposes a superconducting fluxonium-circuit implementation of a detector for the timelike Unruh effect. The authors model an effective Lambda system with a modulated excited-state transition and report open-system simulations predicting an approximately 10 percent ground-state-population shift within 530 nanoseconds.
2026-07-24
A Difference Operator Approach to Quantum Random Walks: Parseval Identity, Krawtchouk Matrices, and Hermite Limits
arXiv Quant-Ph New
The paper develops a discrete difference operator for the one-dimensional Hadamard quantum random walk. It connects quantum-walk amplitudes to Krawtchouk matrices, proves a Parseval identity for probability conservation, and derives a discrete-to-continuous connection with Hermite polynomials.
2026-07-24
Enabling Neutral Atom Integration: Redesigning Device Models for Universal Quantum Ecosystems
arXiv Quant-Ph New
An arXiv research paper examines how quantum software and device models can be redesigned to support neutral-atom hardware as part of broader interoperable quantum ecosystems.
2026-07-23
Flow-based Phase-space Tomography of Continuous-variable Quantum States
arXiv Quant-Ph Recent
An arXiv paper presents a flow-based approach to phase-space tomography for continuous-variable quantum states, addressing reconstruction of quantum-state information from measurement data.
2026-07-23
Fault-tolerant quantum algorithms for simulating atomic nuclei
arXiv Quant-Ph Recent
An arXiv paper develops fault-tolerant quantum algorithms for simulating atomic nuclei, addressing algorithmic resource and simulation requirements for nuclear-structure calculations on error-corrected quantum computers.
2026-07-23
Hardware-in-the-Loop Syndrome-to-Decoder Validation for Repetition, Surface, CSS-LDPC, and Digitized-GKP Codes
arXiv Quant-Ph New
An arXiv study evaluates an auditable syndrome-to-decoder interface across IBM hardware repetition, surface-code, and Steane CSS-LDPC circuits plus a digitized-GKP companion model. It reports localization and decoder replay results without claiming a fault-tolerance threshold.
2026-07-21
Qoreo: Choreographic Programming for Quantum Distributed Systems
arXiv Quant-Ph Recent
An arXiv paper presents Qoreo, a choreographic programming approach for specifying and compiling distributed quantum protocols, with the goal of coordinating local quantum operations and communication across networked nodes.
2026-07-22
Efficiently Simulable Pauli Correlation Encoding
arXiv Quant-Ph Recent
An arXiv paper introduces efficiently simulable Pauli Correlation Encoding variants based on free-fermionic and IQP circuit families, positioning them as quantum-inspired classical baselines for combinatorial optimization and comparisons with harder-to-simulate quantum ansatze.
2026-07-22
Decoder Comparability Across Quantum Software Stacks: Repeated-Round Surface and Digitized-GKP Syndrome Replay
arXiv Quant-Ph New
An arXiv study compares decoder behavior across quantum software stacks using repeated-round surface-code and digitized-GKP syndrome replay, focusing on reproducible request construction and cross-stack comparability.
2026-07-21
EPIC-CIM: Training Convolutional Neural Networks on a Coherent Ising Machine via Equilibrium Propagation
arXiv Quant-Ph New
The paper proposes an energy-based training framework for quantum convolutional neural networks using equilibrium propagation and a coherent Ising machine. It reports experiments on image-classification benchmarks and describes a quantum-hardware validation protocol.
2026-07-08
Hardware Robustness of Sample-Based Quantum Diagonalization
arXiv Quant-Ph Recent
The paper evaluates sample-based quantum diagonalization on IBM Heron hardware across shot budgets, qubit layouts, noise mitigation, and coupled-cluster initialization. It reports that accuracy saturates at moderate shot budgets and that several deployment choices converge after early recovery iterations.
2026-07-20
QuantiSpect: A Structure-Aware Lightweight 3D CNN Pre-Decoder for Scalable Surface Code Quantum Error Correction
arXiv Quant-Ph Recent
The paper presents QuantiSpect, a lightweight 3D CNN pre-decoder for rotated surface-code error correction. On a 4xA100 benchmark it reports similar threshold and accuracy to a dense baseline with fewer parameters and lower convolutional cost, plus faster decoding in the tested settings.
2026-07-20
Benchmarking quantum simulation at scale
arXiv Quant-Ph New
University of Washington and University of New Mexico researchers propose a verification scheme for nonequilibrium quantum simulation that uses stabilizer-scar subspaces for efficient classical simulation and direct fidelity estimation, then relates their fidelity to classically intractable inputs under a stated local-depolarizing-noise model.
2026-07-15
Dynamic Entanglement Distribution for Multi-User and Multi-Protocol Quantum Networking
arXiv Quant-Ph Recent
An international team demonstrates a q-ROADM-enabled metropolitan fibre network that dynamically distributes polarisation-entangled photon pairs to six users, supports full-mesh, partial-mesh, and sliced configurations, and reports stable full-mesh operation for more than 150 hours.
2026-07-16
Locality of deep thermalisation through the lens of entanglement teleportation
arXiv Quant-Ph Recent
Researchers analyze deep thermalisation for causally disconnected subsystem regions and show that its onset is bounded by measurement-induced entanglement teleportation, with both timescales growing logarithmically with separation in generic locally interacting systems and finite-time exceptions in special circuits.
2026-07-16
Transducer leakage error suppression using invariant-based shortcut
arXiv Quant-Ph New
Researchers propose an optimized invariant-based shortcut for spin-superconducting hybrid systems, using virtual-photon-mediated transfer between a spin qubit and a transmon and reporting simulated state-transfer, iSWAP, and entanglement-preparation fidelities above 99 percent under selected leakage, decoherence, and control-error assumptions.
2026-07-15
On multipoles, their decomposition by time-reversal symmetry, and the electric toroidal monopole
arXiv Quant-Ph New
ETH Zurich researchers construct a complete orthogonal basis of real Hermitian multipole operators for local single-particle density matrices by extending fixed-shell formulations to inter-shell operators, then apply it to the two enantiomers of trigonal tellurium.
2026-07-03
The verifier side of speculative window decoding: a predictability bracket, a machine-checked blast-radius bound, and a decoder-agnostic recover loop
arXiv Quant-Ph New
An Embry-Riddle preprint builds and tests the verifier side of speculative window decoding on a reconstructed SWIPER surface-code harness, reporting a predict-verify-recover wrapper, a machine-checked conditional blast-radius bound, and exact recovery in its runtime experiments.
2026-07-07
Pair-Partition Constructions for CPM-Based Quantum LDPC Codes
arXiv Quant-Ph Recent
Institute of Science Tokyo researchers present a pair-partition construction for binary CSS quantum LDPC codes built from circulant permutation matrices, using linear paired-difference constraints for CSS orthogonality and separate cycle tests for sparse lifted matrices.
2026-07-15
Sail membranes for optomechanical accelerometry
arXiv Quant-Ph Recent
Researchers at the University of Arizona and University of Windsor report centimeter-scale silicon-nitride sail resonators with kilohertz frequencies, quality factors near 10 million, and a monolithic 7 kHz cavity optomechanical accelerometer with reported room-temperature thermal noise of 40 nanog per square-root hertz.
2026-07-15
Hardware-efficient quantum simulation of intense-field QED
arXiv Quant-Ph New
A 10 July 2026 preprint proposes a trapped-ion protocol for 3+1-dimensional intense-field quantum electrodynamics that maps photons to collective phonons and dressed fermions to ion spins, using Clifford circuits to compress Jordan-Wigner strings.
2026-07-10
Paraparticles intrinsically exhibit Hardy-space breakdown
arXiv Quant-Ph Recent
A 13 July 2026 preprint argues that non-unitary exchange statistics in paraparticles can intrinsically break Hardy-space analyticity in open-system memory kernels when environmental couplings expose internal flavour structure.
2026-07-13
An efficient algorithm for approximate shadow Hamiltonian simulation
arXiv Quant-Ph Recent
Virginia Tech researchers propose a controlled approximation for shadow Hamiltonian simulation that prunes the operator algebra around target observables, reducing the qubit register needed for real-time simulations of interacting lattice spin systems.
2026-07-13
Ergotropic and passive contributions on the phase-space information geometry of Gaussian states
arXiv Quant-Ph New
A 10 July 2026 preprint derives a decomposition of Wigner-Fisher information for Gaussian quantum states into passive and ergotropic contributions, linking extractable work, entropy production, and phase-space statistical geometry.
2026-07-10
Comment on 'Beyond-classical computation in quantum simulation'
arXiv Quant-Ph New
Researchers from Forschungszentrum Jülich, the University of Regensburg, and the University of Cologne re-examine a 2025 quantum-annealing benchmark and argue that neural quantum states can be competitive in some cases when Monte Carlo noise and long autocorrelation times are accounted for.
2026-07-09
Phase-switchable nonreciprocal entanglement via magnon squeezing in ring-cavity optomagnomechanics
arXiv Quant-Ph Recent
A 10 July 2026 theoretical paper proposes phase-controlled magnon squeezing in a ring-cavity optomagnomechanical system to switch bipartite and tripartite entanglement between spatially separated YIG microbridges; the arXiv record notes acceptance in Physical Review A.
2026-07-10
Typicality of Steering for Two-qubit States
arXiv Quant-Ph Recent
Researchers at the University of Gdańsk, the National University of Singapore, and HUN-REN analyze how often quantum steering appears in two-qubit mixed states under random projective measurements, with analytical results for Werner states and numerical multi-setting studies.
2026-07-09
Irreducible Geometry of Higher-Order Correlator Families
arXiv Quant-Ph Recent
University of Tokyo research introduces a geometric framework for comparing higher-order quantum correlator families, separating reducible structure from residual information across free, integrable, chaotic, localized, and measurement-limited dynamics.
2026-07-09
Comment on 'Quantum Monge-Kantorovich Problem and Transport Distance between Density Matrices'
arXiv Quant-Ph New
A University of Jagiellonian researcher gives analytical counterexamples showing that the studied quantum Monge-Kantorovich semidistance can violate the triangle inequality, challenging two prior conjectures about when it becomes a true distance.
2026-07-08
Localized Thermometry via Dayem Bridges Integrated on Superconducting Qubit Chips
arXiv Quant-Ph New
Rigetti researchers report on-chip thermometry using superconducting Dayem bridges co-fabricated with transmon qubits, validating local chip temperature measurements against qubit thermometry and coherence data.
2026-07-07
Faster quantum linear system solver beyond the condition number
arXiv Quant-Ph Recent
Researchers from AWS Center for Quantum Computing and Rice University present two quantum linear-system solvers whose complexity can avoid worst-case dependence on the spectral condition number for typical instances.
2026-07-08
Localized control of large ion crystals in a Penning trap using a spatial light modulator
arXiv Quant-Ph New
NIST and University of Colorado Boulder researchers report programmable localized coherent control of Penning-trap ion crystals with more than 100 ions using an ultraviolet-compatible spatial light modulator.
2026-07-07
Multi-channel collective dissipation via the symmetric irreducible representation of SU(4)
arXiv Quant-Ph Recent
The paper formulates four-level collective spontaneous emission in the symmetric SU(4) representation and numerically studies seven dipole-allowed topologies for multi-channel superradiant dynamics.
2026-07-08
COMET: Combinatorial Optimization for Multiplex Editing Targets Via Constraint-Preserving QAOA
arXiv Quant-Ph New
The COMET paper formulates multiplex guide-RNA selection as a constrained QUBO and compares penalty-based QAOA with a constraint-preserving XY-mixer on simulator and IBM ibm_kingston hardware, while emphasizing that the 12-qubit instance is classically trivial.
2026-07-02
Quantum Computational Resources and Conformal Field Theory: Unifying Spins, Bosons, and Fermions
arXiv Quant-Ph Recent
University of Tokyo researchers introduce magic Renyi entropy as a unified measure for computational resources across spins, bosons, and fermions, connecting many-body magic and non-Gaussianity to conformal field theory boundary data.
2026-07-06
Coherent Control of Energy Transport at Room Temperature in a Noisy Bath
arXiv Quant-Ph Recent
University of Toronto researchers propose coherent control of energy transport in a non-equilibrium steady-state donor-acceptor model, showing phase-controlled fields can modulate flux despite room-temperature bath noise.
2026-07-06
Comparing the Performance of Leading VQE Algorithms for Computing Ground-State Energies of Amino Acids
arXiv Quant-Ph New
UCLA-affiliated authors benchmark more than ten VQE ansatz choices and two truncation methods on amino acid Hamiltonians from QMProt, with experiments on noise resilience, trainability, adaptive versus fixed ansatz behavior, and parameter-efficiency tradeoffs.
2026-07-02
Integrated Photon-Memory Entanglement Generation using Dual Photonic Resonators
arXiv Quant-Ph New
arXiv paper from University of Chicago and Stanford researchers demonstrating telecom photon-memory entanglement using dual silicon-carbide microring resonators, including up to 63 temporal modes, 5.1 Ebits per detected photon, and a peak on-chip photon-memory entanglement rate of 5.6 kEbits/s.
2026-07-01
Quantum mutual information as a robust probe of integrability in open quantum systems
arXiv Quant-Ph Recent
arXiv paper introducing information-theoretic diagnostics based on Haar-averaged sums of total correlations and multipartite entanglement to distinguish integrable and chaotic dynamics in open quantum systems.
2026-07-02
Noisy quantum circuit simulation with the tensor jump method
arXiv Quant-Ph New
arXiv paper introducing a variance-aware tensor network framework for simulating noisy quantum circuits using the tensor jump method, sparse Pauli-Lindblad noise, and local TDVP, with demonstrations including a 25-qubit noisy XY chain and IBM's 127-qubit kicked Ising benchmark.
2026-07-01
Topological Control of Quantum Chaos Diagnostics: OTOCs, Spectral Statistics, and Information Scrambling in Ising Model
arXiv Quant-Ph Recent
arXiv paper studying integrability-to-chaos transitions and information scrambling in Ising spin networks using graph topology, OTOCs, Krylov complexity, and spectral statistics.
2026-07-02
A quantum approximate optimization algorithm
MIT
Introduced QAOA for approximate optimization on quantum computers. Commercially relevant to logistics, finance, scheduling, and optimization applications.
2014-01-01
A variational eigenvalue solver on a photonic quantum processor
University of Bristol
Demonstrated a variational quantum eigensolver on photonic hardware. Foundational for quantum chemistry applications and hybrid quantum-classical software.
2014-01-01
Quantum algorithm for linear systems of equations
MIT
Introduced the HHL algorithm for solving linear systems with quantum speedups. Relevant to claims around quantum machine learning and numerical analysis.
2009-01-01
The theory of variational hybrid quantum-classical algorithms
Google / Harvard
Analyzed hybrid variational algorithms for near-term quantum computers. Important for NISQ-era quantum software and enterprise pilots.
2016-01-01
Quantum supremacy using a programmable superconducting processor
Google Quantum AI
Reported a quantum computational advantage experiment using the Sycamore processor. Milestone in quantum computing publicity, benchmarking, and hardware roadmaps.
2019-10-23
Quantum computational advantage with a programmable photonic processor
University of Science and Technology of China
Reported photonic quantum advantage using Gaussian boson sampling. Relevant to photonic quantum computing and specialized quantum advantage claims.
2020-12-01
Strong quantum computational advantage using a superconducting quantum processor
University of Science and Technology of China
Reported superconducting quantum computational advantage with the Zuchongzhi processor. Important for global hardware benchmarking and national quantum programs.
2021-01-01
Quantum error correction below the surface code threshold
Google Quantum AI
Reported surface-code quantum error correction performance below threshold. Commercially important because scalable fault tolerance depends on reducing logical error rates.
2025-01-01
Suppressing quantum errors by scaling a surface code logical qubit
Google Quantum AI
Demonstrated improved logical qubit behavior by increasing surface-code size. Important milestone toward fault-tolerant quantum computing roadmaps.
2023-01-01
A blueprint for demonstrating quantum supremacy with superconducting qubits
Outlined a superconducting-qubit approach to quantum supremacy experiments. Helped frame processor-size and fidelity targets for superconducting hardware.
2018-01-01
Blueprint for a microwave trapped ion quantum computer
University of Sussex / Collaborators
Proposed an architecture for scalable trapped-ion quantum computing. Relevant to trapped-ion commercialization and engineering roadmaps.
2015-01-01
Logical quantum processor based on reconfigurable atom arrays
Harvard / QuEra / MIT
Demonstrated logical qubits and operations using reconfigurable neutral-atom arrays. Commercially important for neutral-atom fault-tolerant architecture roadmaps.
2023-01-01
Distributed quantum computing across an optical network link
University of Oxford
Demonstrated a distributed quantum computing link between networked quantum modules. Relevant to modular quantum computing, quantum data centers, and interconnect companies.
2025-01-01
Quantum teleportation over 143 kilometres using active feed-forward
University of Vienna / Chinese Academy of Sciences
Demonstrated long-distance quantum teleportation over free space. Important for satellite quantum communications and quantum networking.
2012-01-01
Satellite-based entanglement distribution over 1200 kilometers
USTC / Chinese Academy of Sciences
Demonstrated satellite-based entanglement distribution using the Micius satellite. Commercial and government relevance for satellite QKD and quantum internet infrastructure.
2017-01-01
Measurement-device-independent quantum key distribution
University of Toronto / Collaborators
Introduced MDI-QKD to remove detector side-channel vulnerabilities. Relevant to secure QKD product design and quantum network trust models.
2012-01-01
Twin-field quantum key distribution
Toshiba Research Europe
Proposed twin-field QKD for long-distance key distribution beyond conventional limits. Important to long-distance QKD networks and quantum-secure communications.
2018-01-01
Post-quantum cryptography
Eindhoven University of Technology / Collaborators
Surveyed cryptographic approaches intended to resist quantum attacks. Strategically important for enterprise migration to quantum-safe cryptography.
2017-01-01
CRYSTALS-Kyber: a CCA-secure module-lattice-based KEM
CRYSTALS team
Describes Kyber, the lattice-based key encapsulation mechanism selected by NIST. Directly relevant to post-quantum cryptography products and standards compliance.
2017-01-01
SPHINCS+: Submission to the NIST post-quantum project
International research team
Describes stateless hash-based signatures selected in the NIST PQC process. Important for conservative quantum-safe signature deployments.
2019-01-01
FIPS 203 Module-Lattice-Based Key-Encapsulation Mechanism Standard
NIST
NIST standardizes ML-KEM for post-quantum key establishment. Major compliance driver for quantum-safe migration products.
2024-01-01
FIPS 204 Module-Lattice-Based Digital Signature Standard
NIST
NIST standardizes ML-DSA for post-quantum digital signatures. Critical for enterprise PKI and software signing migration.
2024-01-01
FIPS 205 Stateless Hash-Based Digital Signature Standard
NIST
NIST standardizes SLH-DSA for stateless hash-based digital signatures. Supports high-assurance quantum-safe signature use cases.
2024-01-01
Quantum sensing
ETH Zurich / MIT
Comprehensive review of quantum sensing principles and platforms. Useful for mapping quantum sensing opportunities across defense, medical, navigation, and geophysics.
2017-01-01
Quantum-enhanced measurements: beating the standard quantum limit
MIT
Shows theoretical foundations for quantum-enhanced precision measurement. Commercial relevance spans clocks, gravimeters, magnetometers, and inertial sensors.
2004-01-01
Nanoscale magnetic imaging with an individual electronic spin in diamond
University of Stuttgart / Harvard
Demonstrated nanoscale magnetic imaging using NV centers in diamond. Foundation for diamond quantum sensor companies and semiconductor inspection applications.
2008-01-01
Single-spin magnetometry with a nitrogen-vacancy defect in diamond
MIT / Harvard / Stuttgart
Proposed and analyzed NV-center magnetometry using single spins. Commercially relevant to diamond magnetometry, navigation, and magnetic imaging.
2008-01-01
How to factor 2048 bit RSA integers in 8 hours using 20 million noisy qubits
Google / KTH
Estimated resources for breaking RSA-2048 with a fault-tolerant quantum computer. Important for PQC migration urgency and cryptographic risk modeling.
2021-01-01
The resource theory of quantum speedup
University of Technology Sydney / Collaborators
Studied sampling problems and quantum speedup foundations. Relevant to quantum advantage claims and benchmarking.
2016-01-01
Quantum machine learning
Skolkovo Institute / Collaborators
Reviewed quantum machine learning concepts and algorithms. Useful for judging realistic quantum AI claims and commercial use cases.
2017-01-01
Supervised learning with quantum-enhanced feature spaces
IBM Research
Demonstrated quantum feature maps for machine learning on quantum processors. Commercial relevance to QML software and application pilots.
2019-01-01
Power of data in quantum machine learning
Caltech
Analyzed when quantum machine learning may provide advantages. Important for evaluating quantum AI use cases and avoiding weak claims.
2021-01-01
The theory of quantum information
University of Waterloo
Textbook-level formal reference for quantum information theory. Useful as a foundational reference for QAtlas taxonomy and research context.
2018-01-01
Quantum advantage in learning from experiments
Caltech / Google
Showed quantum advantage in selected learning-from-experiments settings. Relevant to future quantum AI and data-analysis applications.
2022-01-01
Quantum random number generators: principles and certification
University of Valladolid
Reviews quantum random number generation principles and certification. Relevant to QRNG products used in security, gambling, simulations, and cryptography.
2017-01-01
Noisy intermediate-scale quantum computers
Caltech
Defined the NISQ era and limitations of near-term quantum computers. Important for interpreting commercial claims and distinguishing NISQ from fault-tolerant roadmaps.
2018-01-01
Hardware-efficient variational quantum eigensolver for small molecules and quantum magnets
IBM Research
Demonstrated hardware-efficient variational algorithms on superconducting quantum hardware. Important for near-term quantum chemistry, materials, and hybrid algorithm commercialization.
2017-01-01
Quantum chemistry calculations on a trapped-ion quantum simulator
University of Innsbruck / IQOQI
Demonstrated quantum chemistry calculations on trapped-ion hardware. Relevant to chemistry applications and trapped-ion processor use cases.
2018-01-01
Experimental quantum teleportation
University of Innsbruck
Reported an early experimental demonstration of quantum teleportation. Foundational to quantum communications, repeaters, and distributed quantum computing.
1997-01-01
Quantum repeaters: The role of imperfect local operations in quantum communication
University of Innsbruck
Introduced core concepts for quantum repeaters in long-distance quantum communication. Commercial relevance for quantum internet and quantum networking hardware roadmaps.
1998-01-01
The quantum internet: A vision for the road ahead
QuTech
Outlined a staged vision for building the quantum internet. Useful for ecosystem mapping of quantum networking companies and public infrastructure initiatives.
2018-01-01
High-fidelity quantum logic gates using trapped-ion hyperfine qubits
University of Oxford
Demonstrated high-fidelity trapped-ion quantum logic gates. Relevant to trapped-ion hardware vendors and fault-tolerance roadmaps.
2014-01-01
Progress in superconducting quantum computing
MIT / Research collaboration
Reviewed advances in superconducting qubits and systems engineering. Useful for evaluating superconducting quantum hardware companies and supply chains.
2020-01-01
Surface codes: Towards practical large-scale quantum computation
University of Melbourne / Collaborators
Reviewed surface-code error correction for scalable quantum computing. Core reference for fault-tolerant quantum computing requirements and resource estimates.
2012-01-01
Threshold accuracy for fault-tolerant quantum computation with nearest neighbor gates
University of Melbourne
Analyzed accuracy thresholds for nearest-neighbor fault-tolerant quantum computation. Important to hardware fidelity targets and quantum error correction economics.
2012-01-01
Experimental realization of Shor's quantum factoring algorithm using nuclear magnetic resonance
IBM / Stanford
Early experimental implementation of Shor's algorithm on a small NMR quantum computer. Historically important demonstration of quantum algorithms on physical hardware.
2001-01-01
Observation of topological phenomena in a programmable lattice of 1,800 qubits
D-Wave / Collaborators
Demonstrated quantum simulation of topological phenomena on a quantum annealer. Relevant to annealing hardware applications and analog quantum simulation.
2018-01-01
Engineering superconducting qubits for quantum computation
Chalmers University of Technology
Reviewed superconducting qubit engineering and technology challenges. Commercial relevance for hardware architecture, fabrication, packaging, and control electronics.
2017-01-01
CRYSTALS-Dilithium: a lattice-based digital signature scheme
CRYSTALS team
Describes Dilithium, a lattice-based digital signature algorithm selected by NIST. Commercially relevant to signing infrastructure, PKI migration, and compliance.
2017-01-01
Simulating physics with computers
Caltech
Foundational argument that quantum systems may require quantum computers for efficient simulation. Foundational basis for quantum simulation and quantum computing as a commercial technology category.
1982-01-01
Quantum mechanical computers
Caltech
Early formal discussion of computation with quantum mechanical systems. Historically important for understanding the origins of quantum computing hardware and algorithms.
1985-01-01
Quantum cryptography: Public key distribution and coin tossing
IBM / Université de Montréal
Introduced the BB84 quantum key distribution protocol. Commercial foundation for QKD and quantum-secure communications vendors.
1984-01-01
Algorithms for quantum computation: discrete logarithms and factoring
AT&T Bell Laboratories
Introduced quantum algorithms for factoring and discrete logarithms. Strategically important because it motivates post-quantum cryptography migration.
1994-01-01
A fast quantum mechanical algorithm for database search
Bell Labs
Introduced Grover's search algorithm with quadratic speedup. Important for optimization, search, and security impact analysis.
1996-01-01
Quantum computers and intractable (NP-complete) problems
MIT
Early work on adiabatic quantum computation for hard optimization problems. Relevant to annealing, optimization services, and quantum-inspired optimization markets.
2000-01-01