npj Quantum Information

Article	Citations
Towards practical quantum computers: transmon qubit with a lifetime approaching 0.5 milliseconds	173
Efficient and noise resilient measurements for quantum chemistry on near-term quantum computers	138
Laser-annealing Josephson junctions for yielding scaled-up superconducting quantum processors	103
Symmetry-resolved entanglement detection using partial transpose moments	102
Emergence and control of complex behaviors in driven systems of interacting qubits with dissipation	101
Leakage reduction in fast superconducting qubit gates via optimal control	98
Iterative quantum amplitude estimation	94
Resource-efficient quantum algorithm for protein folding	87
Full daylight quantum-key-distribution at 1550 nm enabled by integrated silicon photonics	76
Feasibility of satellite-to-ground continuous-variable quantum key distribution	73
Identifying optimal cycles in quantum thermal machines with reinforcement-learning	71
Parallel quantum simulation of large systems on small NISQ computers	66
Low rank representations for quantum simulation of electronic structure	66
Saving superconducting quantum processors from decay and correlated errors generated by gamma and cosmic rays	66
Experimental authentication of quantum key distribution with post-quantum cryptography	65
Entanglement across separate silicon dies in a modular superconducting qubit device	62
Fundamental limits of quantum error mitigation	61
Nearest centroid classification on a trapped ion quantum computer	60
Proposal for space-borne quantum memories for global quantum networking	60
Machine learning of high dimensional data on a noisy quantum processor	59
Storage of photonic time-bin qubits for up to 20 ms in a rare-earth doped crystal	56
Implementation of a 46-node quantum metropolitan area network	56
Effective routing design for remote entanglement generation on quantum networks	55
Quantum circuit architecture search for variational quantum algorithms	55
Optimal operation points for ultrafast, highly coherent Ge hole spin-orbit qubits	54

A variational toolbox for quantum multi-parameter estimation	52
High-performance quantum entanglement generation via cascaded second-order nonlinear processes	50
Flexible entanglement-distribution network with an AlGaAs chip for secure communications	48
Gigahertz measurement-device-independent quantum key distribution using directly modulated lasers	47
High fidelity two-qubit gates on fluxoniums using a tunable coupler	47
Dynamics of superconducting qubit relaxation times	46
Energy-participation quantization of Josephson circuits	46
Spooky action at a global distance: analysis of space-based entanglement distribution for the quantum internet	46
Conveyor-mode single-electron shuttling in Si/SiGe for a scalable quantum computing architecture	46
Gate-free state preparation for fast variational quantum eigensolver simulations	45
Multi-exponential error extrapolation and combining error mitigation techniques for NISQ applications	45
Classical variational simulation of the Quantum Approximate Optimization Algorithm	45
Imaging and certifying high-dimensional entanglement with a single-photon avalanche diode camera	44
Experimental test of non-macrorealistic cat states in the cloud	41
Enhancing quantum cryptography with quantum dot single-photon sources	40
Variational quantum state eigensolver	40
Implementation of quantum imaginary-time evolution method on NISQ devices by introducing nonlocal approximation	39
Hamiltonian simulation in the low-energy subspace	37
Variational quantum eigensolver with reduced circuit complexity	37
Strategies for achieving high key rates in satellite-based QKD	36
Adaptive quantum state tomography with neural networks	36
Tight finite-key security for twin-field quantum key distribution	35
Machine learning aided carrier recovery in continuous-variable quantum key distribution	35
Quantum repeaters based on concatenated bosonic and discrete-variable quantum codes	35
Sudden death and revival of Gaussian Einstein–Podolsky–Rosen steering in noisy channels	34
Finite key effects in satellite quantum key distribution	34
Advances in device-independent quantum key distribution	33
Critical parametric quantum sensing	33
A quantum router architecture for high-fidelity entanglement flows in quantum networks	33
648 Hilbert-space dimensionality in a biphoton frequency comb: entanglement of formation and Schmidt mode decomposition	33
Proof-of-principle experimental demonstration of twin-field quantum key distribution over optical channels with asymmetric losses	33
Detector-integrated on-chip QKD receiver for GHz clock rates	33
Experimental adaptive Bayesian estimation of multiple phases with limited data	33
Path-encoded high-dimensional quantum communication over a 2-km multicore fiber	32
Experimental demonstration of entanglement delivery using a quantum network stack	31
Quantum teleportation with imperfect quantum dots	31
Experimental quantum kernel trick with nuclear spins in a solid	31
Quantum transport and localization in 1d and 2d tight-binding lattices	30
Deterministic improvements of quantum measurements with grouping of compatible operators, non-local transformations, and covariance estimates	30
Experimental characterization of the energetics of quantum logic gates	30
Overcoming detection loss and noise in squeezing-based optical sensing	29
Parameter estimation in quantum sensing based on deep reinforcement learning	29
Orbital-optimized pair-correlated electron simulations on trapped-ion quantum computers	29
Quantum random number cloud platform	29
Efficient computation of the Nagaoka–Hayashi bound for multiparameter estimation with separable measurements	29
Genuine quantum networks with superposed tasks and addressing	29
Self-testing quantum systems of arbitrary local dimension with minimal number of measurements	28
Observation of Bloch oscillations and Wannier-Stark localization on a superconducting quantum processor	28
Global correlation and local information flows in controllable non-Markovian open quantum dynamics	27
Robust quantum-network memory based on spin qubits in isotopically engineered diamond	27

Theoretical error performance analysis for variational quantum circuit based functional regression	27
Coherent manipulation and quantum phase interference in a fullerene-based electron triplet molecular qutrit	27
Quantum circuit cutting with maximum-likelihood tomography	27
Quantum communication with itinerant surface acoustic wave phonons	27
Continuous-mode quantum key distribution with digital signal processing	27
Towards a microwave single-photon counter for searching axions	27
Quantum Hall phases emerging from atom–photon interactions	27
Computing secure key rates for quantum cryptography with untrusted devices	27
Adaptive, problem-tailored variational quantum eigensolver mitigates rough parameter landscapes and barren plateaus	27
Measuring magic on a quantum processor	26
Leakage detection for a transmon-based surface code	26
Optimal teleportation via noisy quantum channels without additional qubit resources	26
A phononic interface between a superconducting quantum processor and quantum networked spin memories	26
Coherence of a charge stabilised tin-vacancy spin in diamond	26
Quasiprobability decompositions with reduced sampling overhead	26
Quantum Fisher information measurement and verification of the quantum Cramér–Rao bound in a solid-state qubit	26
High-accuracy Ising machine using Kerr-nonlinear parametric oscillators with local four-body interactions	26
Entropy production in continuously measured Gaussian quantum systems	25
Deterministic spin-photon entanglement from a trapped ion in a fiber Fabry–Perot cavity	25
3D integration and measurement of a semiconductor double quantum dot with a high-impedance TiN resonator	25
Free electrons can induce entanglement between photons	25
Transmon qubit readout fidelity at the threshold for quantum error correction without a quantum-limited amplifier	25
Two-dimensional centrosymmetrical antiferromagnets for spin photogalvanic devices	25
Analyzing the performance of variational quantum factoring on a superconducting quantum processor	25
Measurement-free preparation of grid states	25
Counteracting dephasing in Molecular Nanomagnets by optimized qudit encodings	24
Equivariant quantum circuits for learning on weighted graphs	24
Bound state in a giant atom-modulated resonators system	23
Long-time simulations for fixed input states on quantum hardware	23
Circuit quantization with time-dependent magnetic fields for realistic geometries	23
Beyond the standard quantum limit for parametric amplification of broadband signals	23
A quantum algorithm for string matching	23
Optimal control of stimulated Raman adiabatic passage in a superconducting qudit	23
Counterfactual ghost imaging	23
A machine learning approach to Bayesian parameter estimation	23
Deep reinforcement learning for efficient measurement of quantum devices	22
Characterization and control of open quantum systems beyond quantum noise spectroscopy	22
A Bayesian analysis of classical shadows	22
Efficient quantum state tomography with convolutional neural networks	22
Cooperative-effect-induced one-way steering in open cavity magnonics	22
Characterizing decoherence rates of a superconducting qubit by direct microwave scattering	22
Quantum electromechanics with levitated nanoparticles	22
Temporal distinguishability in Hong-Ou-Mandel interference for harnessing high-dimensional frequency entanglement	22
Time-series quantum reservoir computing with weak and projective measurements	21
Experimental critical quantum metrology with the Heisenberg scaling	21
Quantum Fourier transform for nanoscale quantum sensing	21
Simulating the fabrication of aluminium oxide tunnel junctions	21
Universal and operational benchmarking of quantum memories	21
Path toward manufacturable superconducting qubits with relaxation times exceeding 0.1 ms	21
Experimental unsupervised learning of non-Hermitian knotted phases with solid-state spins	21
Designing quantum networks using preexisting infrastructure	21
Practical distributed quantum information processing with LOCCNet	20
Demonstration of universal control between non-interacting qubits using the Quantum Zeno effect	20
Space-efficient binary optimization for variational quantum computing	20
Intensity modulator for secure, stable, and high-performance decoy-state quantum key distribution	20
Quantum Zeno effects across a parity-time symmetry breaking transition in atomic momentum space	20
Quantum frequency conversion and single-photon detection with lithium niobate nanophotonic chips	20
Fundamental limits of electron and nuclear spin qubit lifetimes in an isolated self-assembled quantum dot	20
Experimental quantum homomorphic encryption	19
Nanoscale electric field imaging with an ambient scanning quantum sensor microscope	19
Creation of Greenberger-Horne-Zeilinger states with thousands of atoms by entanglement amplification	19
Reconfigurable continuously-coupled 3D photonic circuit for Boson Sampling experiments	19
Variational quantum algorithm with information sharing	19
Quantum sensors for microscopic tunneling systems	19
Quantum walks of two correlated photons in a 2D synthetic lattice	19
Phase flip code with semiconductor spin qubits	19
Quantum generative adversarial networks with multiple superconducting qubits	19
Observation of critical phase transition in a generalized Aubry-André-Harper model with superconducting circuits	19
Automated design of superconducting circuits and its application to 4-local couplers	19
Optimal entanglement distribution policies in homogeneous repeater chains with cutoffs	18
Deep learning enhanced individual nuclear-spin detection	18
Exact electronic states with shallow quantum circuits from global optimisation	18
Optimizing a polynomial function on a quantum processor	18
Smart quantum statistical imaging beyond the Abbe-Rayleigh criterion	18
Numerical finite-key analysis of quantum key distribution	18
Demonstrating the power of quantum computers, certification of highly entangled measurements and scalable quantum nonlocality	18
Photonic resource state generation from a minimal number of quantum emitters	17
Efficient modeling of superconducting quantum circuits with tensor networks	17
Quasiparticle tunneling as a probe of Josephson junction barrier and capacitor material in superconducting qubits	17
Stabilizing multiple topological fermions on a quantum computer	17

Quantum enhanced measurement of an optical frequency comb	17
Experimental implementation of secure anonymous protocols on an eight-user quantum key distribution network	17
Quantum Fredkin and Toffoli gates on a versatile programmable silicon photonic chip	17
Theoretical guarantees for permutation-equivariant quantum neural networks	17
Classical shadows with Pauli-invariant unitary ensembles	16
Quantum-inspired machine learning on high-energy physics data	16
Time-varying quantum channel models for superconducting qubits	16
Evidence of Kardar-Parisi-Zhang scaling on a digital quantum simulator	16
Acoustic spectral hole-burning in a two-level system ensemble	16
Spectral kissing and its dynamical consequences in the squeeze-driven Kerr oscillator	16
Autonomous quantum error correction and fault-tolerant quantum computation with squeezed cat qubits	16
An artificial spiking quantum neuron	15
Thermodynamic resources in continuous-variable quantum systems	15
Highly tunable magneto-optical response from magnesium-vacancy color centers in diamond	15
A polarization encoded photon-to-spin interface	15
Power-optimal, stabilized entangling gate between trapped-ion qubits	15
Entanglement generation in a quantum network at distance-independent rate	15
Quantum-enhanced Doppler lidar	15
Detecting and quantifying entanglement on near-term quantum devices	15
Reprogrammable and high-precision holographic optical addressing of trapped ions for scalable quantum control	15
Entanglement formation in continuous-variable random quantum networks	15
Limits on atomic qubit control from laser noise	15
Optimal provable robustness of quantum classification via quantum hypothesis testing	15
Coherent control of electron spin qubits in silicon using a global field	14
Entanglement-assisted capacity regions and protocol designs for quantum multiple-access channels	14
Decoherence of nitrogen-vacancy spin ensembles in a nitrogen electron-nuclear spin bath in diamond	14
Dynamic synthesis of Heisenberg-limited spin squeezing	14
Experimental demonstration of entanglement-enabled universal quantum cloning in a circuit	14
Distillation of Gaussian Einstein-Podolsky-Rosen steering with noiseless linear amplification	14
Protecting qubit coherence by spectrally engineered driving of the spin environment	13
Deterministic photon source interfaced with a programmable silicon-nitride integrated circuit	13
Quantum-enhanced analysis of discrete stochastic processes	13
Resonant excitation of nanowire quantum dots	13
Nuclear spin assisted magnetic field angle sensing	13
Rate-compatible multi-edge type low-density parity-check code ensembles for continuous-variable quantum key distribution systems	13
T-count and T-depth of any multi-qubit unitary	13
All-fiber source and sorter for multimode correlated photons	13
State leakage during fast decay and control of a superconducting transmon qubit	13
Exploiting degeneracy in belief propagation decoding of quantum codes	13
Observing the quantum Cheshire cat effect with noninvasive weak measurement	13
Unitary-coupled restricted Boltzmann machine ansatz for quantum simulations	13
High-efficiency microwave-optical quantum transduction based on a cavity electro-optic superconducting system with long coherence time	13
Multidimensional Bose quantum error correction based on neural network decoder	13
Stochastic gradient line Bayesian optimization for efficient noise-robust optimization of parameterized quantum circuits	13
Belief propagation with quantum messages for quantum-enhanced classical communications	12
Implementation of quantum measurements using classical resources and only a single ancillary qubit	12
Non-Markovian memory strength bounds quantum process recoverability	12
Observation of large spontaneous emission rate enhancement of quantum dots in a broken-symmetry slow-light waveguide	12
Long-range QKD without trusted nodes is not possible with current technology	12
Hybrid light-matter networks of Majorana zero modes	12
2×N twin-field quantum key distribution network configuration based on polarization, wavelength, and time division multiplexing	12
Quantum networks with neutral atom processing nodes	12
Probing defect densities at the edges and inside Josephson junctions of superconducting qubits	12
Extensive characterization and implementation of a family of three-qubit gates at the coherence limit	12
Engineering fast high-fidelity quantum operations with constrained interactions	12
Telecom quantum photonic interface for a 40Ca+ single-ion quantum memory	12
Classical communication enhanced quantum state verification	12
Programmable photonic integrated meshes for modular generation of optical entanglement links	12
Suppression of nuclear spin fluctuations in an InGaAs quantum dot ensemble by GHz-pulsed optical excitation	12
Probing resonating valence bonds on a programmable germanium quantum simulator	12
Wilson loop and Wilczek-Zee phase from a non-Abelian gauge field	11
The laws of physics do not prohibit counterfactual communication	11
Autonomous quantum error correction in a four-photon Kerr parametric oscillator	11
How to build Hamiltonians that transport noncommuting charges in quantum thermodynamics	11
Effects of surface treatments on flux tunable transmon qubits	11
Achieving the ultimate end-to-end rates of lossy quantum communication networks	11
Variational preparation of finite-temperature states on a quantum computer	11
Surface loss calculations and design of a superconducting transmon qubit with tapered wiring	11
Security analysis and improvement of source independent quantum random number generators with imperfect devices	11
Realizing all-to-all couplings among detachable quantum modules using a microwave quantum state router	11
Modulation leakage-free continuous-variable quantum key distribution	11
Spectral analysis of product formulas for quantum simulation	11
Towards practical and massively parallel quantum computing emulation for quantum chemistry	11
Optimal two-qubit circuits for universal fault-tolerant quantum computation	11
Online adaptive quantum characterization of a nuclear spin	11
Correlations for computation and computation for correlations	11
Secure quantum key distribution with a subset of malicious devices	11
Approaching Heisenberg-scalable thermometry with built-in robustness against noise	11
Error per single-qubit gate below 10−4 in a superconducting qubit	11
Certification of quantum states with hidden structure of their bitstrings	11
Conference key agreement in a quantum network	11
Optimal control for quantum detectors	11
Systematic improvements in transmon qubit coherence enabled by niobium surface encapsulation	10
Ultimate precision limit of noise sensing and dark matter search	10
Probabilistic teleportation of a quantum dot spin qubit	10
Error suppression in adiabatic quantum computing with qubit ensembles	10
Quantum nonlocality without entanglement: explicit dependence on prior probabilities of nonorthogonal mirror-symmetric states	10
Attaining Carnot efficiency with quantum and nanoscale heat engines	10
Experimental study of quantum coherence decomposition and trade-off relations in a tripartite system	10
Reconfigurable quantum phononic circuits via piezo-acoustomechanical interactions	10
Quantum computational phase transition in combinatorial problems	10
Xor-And-Inverter Graphs for Quantum Compilation	10
Experimental demonstration of multiparty quantum secret sharing and conference key agreement	10
Peptide conformational sampling using the Quantum Approximate Optimization Algorithm	10
Extreme quantum nonlinearity in superfluid thin-film surface waves	10