npj Quantum Information

(The TQCC of npj Quantum Information is 19. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2020-06-01 to 2024-06-01.)
Towards practical quantum computers: transmon qubit with a lifetime approaching 0.5 milliseconds143
Variational fast forwarding for quantum simulation beyond the coherence time136
Efficient and noise resilient measurements for quantum chemistry on near-term quantum computers126
Emergence and control of complex behaviors in driven systems of interacting qubits with dissipation93
Symmetry-resolved entanglement detection using partial transpose moments92
Laser-annealing Josephson junctions for yielding scaled-up superconducting quantum processors87
Leakage reduction in fast superconducting qubit gates via optimal control87
Iterative quantum amplitude estimation85
Resource-efficient digital quantum simulation of d-level systems for photonic, vibrational, and spin-s Hamiltonians82
The Born supremacy: quantum advantage and training of an Ising Born machine78
Practical quantum computation of chemical and nuclear energy levels using quantum imaginary time evolution and Lanczos algorithms72
Finding flows of a Navier–Stokes fluid through quantum computing72
Resource-efficient quantum algorithm for protein folding69
Unfolding quantum computer readout noise69
Solid-state qubits integrated with superconducting through-silicon vias66
Identifying optimal cycles in quantum thermal machines with reinforcement-learning65
Full daylight quantum-key-distribution at 1550 nm enabled by integrated silicon photonics63
Parallel quantum simulation of large systems on small NISQ computers62
Low rank representations for quantum simulation of electronic structure61
Feasibility of satellite-to-ground continuous-variable quantum key distribution61
Saving superconducting quantum processors from decay and correlated errors generated by gamma and cosmic rays60
Experimental authentication of quantum key distribution with post-quantum cryptography57
Nearest centroid classification on a trapped ion quantum computer54
Proposal for space-borne quantum memories for global quantum networking54
Storage of photonic time-bin qubits for up to 20 ms in a rare-earth doped crystal52
Fundamental limits of quantum error mitigation51
Entanglement across separate silicon dies in a modular superconducting qubit device50
Optimal operation points for ultrafast, highly coherent Ge hole spin-orbit qubits50
Machine learning of high dimensional data on a noisy quantum processor49
Efficient evaluation of quantum observables using entangled measurements48
A variational toolbox for quantum multi-parameter estimation45
Scalable quantum computer with superconducting circuits in the ultrastrong coupling regime44
Implementation of a 46-node quantum metropolitan area network43
Classical variational simulation of the Quantum Approximate Optimization Algorithm43
Flexible entanglement-distribution network with an AlGaAs chip for secure communications42
Energy-participation quantization of Josephson circuits41
Spectrally reconfigurable quantum emitters enabled by optimized fast modulation41
Multi-exponential error extrapolation and combining error mitigation techniques for NISQ applications41
Quantum circuit architecture search for variational quantum algorithms40
Imaging and certifying high-dimensional entanglement with a single-photon avalanche diode camera40
Gigahertz measurement-device-independent quantum key distribution using directly modulated lasers40
Gate-free state preparation for fast variational quantum eigensolver simulations39
High fidelity two-qubit gates on fluxoniums using a tunable coupler39
Effective routing design for remote entanglement generation on quantum networks39
High-performance quantum entanglement generation via cascaded second-order nonlinear processes39
Spooky action at a global distance: analysis of space-based entanglement distribution for the quantum internet38
Experimental test of non-macrorealistic cat states in the cloud37
Conveyor-mode single-electron shuttling in Si/SiGe for a scalable quantum computing architecture36
Hamiltonian simulation in the low-energy subspace35
Multipartite entanglement analysis from random correlations35
Very low overhead fault-tolerant magic state preparation using redundant ancilla encoding and flag qubits35
Implementation of quantum imaginary-time evolution method on NISQ devices by introducing nonlocal approximation35
Preparation of hundreds of microscopic atomic ensembles in optical tweezer arrays35
Tight finite-key security for twin-field quantum key distribution35
Dynamics of superconducting qubit relaxation times35
Enhancing quantum cryptography with quantum dot single-photon sources35
Variational quantum eigensolver with reduced circuit complexity35
Strategies for achieving high key rates in satellite-based QKD34
A neural network oracle for quantum nonlocality problems in networks34
Accurate Lindblad-form master equation for weakly damped quantum systems across all regimes34
Quantum-enhanced interferometry with large heralded photon-number states34
Adaptive quantum state tomography with neural networks32
Sudden death and revival of Gaussian Einstein–Podolsky–Rosen steering in noisy channels32
Detector-integrated on-chip QKD receiver for GHz clock rates31
Variational quantum state eigensolver31
Machine learning aided carrier recovery in continuous-variable quantum key distribution30
Proof-of-principle experimental demonstration of twin-field quantum key distribution over optical channels with asymmetric losses29
Experimental adaptive Bayesian estimation of multiple phases with limited data29
Two-dimensional hard-core Bose–Hubbard model with superconducting qubits29
Quantum repeaters based on concatenated bosonic and discrete-variable quantum codes29
Quantum teleportation with imperfect quantum dots29
Experimental quantum kernel trick with nuclear spins in a solid28
648 Hilbert-space dimensionality in a biphoton frequency comb: entanglement of formation and Schmidt mode decomposition28
Storage and retrieval of microwave pulses with molecular spin ensembles28
A quantum router architecture for high-fidelity entanglement flows in quantum networks28
Overcoming detection loss and noise in squeezing-based optical sensing28
Path-encoded high-dimensional quantum communication over a 2-km multicore fiber28
Parameter estimation in quantum sensing based on deep reinforcement learning27
Finite key effects in satellite quantum key distribution27
Quantum Hall phases emerging from atom–photon interactions27
Experimental characterization of the energetics of quantum logic gates26
Quantum communication with itinerant surface acoustic wave phonons26
Experimental demonstration of measurement-device-independent measure of quantum steering26
Detecting non-Markovianity via quantified coherence: theory and experiments26
Observation of Bloch oscillations and Wannier-Stark localization on a superconducting quantum processor26
In-situ measurements of fabrication induced strain in diamond photonic-structures using intrinsic colour centres26
Giant shift upon strain on the fluorescence spectrum of VNNB color centers in h-BN26
High-accuracy Ising machine using Kerr-nonlinear parametric oscillators with local four-body interactions26
Towards a microwave single-photon counter for searching axions25
Genuine quantum networks with superposed tasks and addressing25
Global correlation and local information flows in controllable non-Markovian open quantum dynamics25
Quantum transport and localization in 1d and 2d tight-binding lattices25
Coherent manipulation and quantum phase interference in a fullerene-based electron triplet molecular qutrit24
Leakage detection for a transmon-based surface code24
Entropy production in continuously measured Gaussian quantum systems24
Quantum circuit cutting with maximum-likelihood tomography24
Efficient computation of the Nagaoka–Hayashi bound for multiparameter estimation with separable measurements24
Deterministic spin-photon entanglement from a trapped ion in a fiber Fabry–Perot cavity24
Computing secure key rates for quantum cryptography with untrusted devices23
Critical parametric quantum sensing23
Optimal teleportation via noisy quantum channels without additional qubit resources23
Free electrons can induce entanglement between photons23
Quantum random number cloud platform23
Advances in device-independent quantum key distribution22
Continuous-mode quantum key distribution with digital signal processing22
Analyzing the performance of variational quantum factoring on a superconducting quantum processor22
Deterministic improvements of quantum measurements with grouping of compatible operators, non-local transformations, and covariance estimates22
Coherence of a charge stabilised tin-vacancy spin in diamond22
Circuit quantization with time-dependent magnetic fields for realistic geometries22
3D integration and measurement of a semiconductor double quantum dot with a high-impedance TiN resonator21
Quasiprobability decompositions with reduced sampling overhead21
Two-dimensional centrosymmetrical antiferromagnets for spin photogalvanic devices21
Quantum electromechanics with levitated nanoparticles21
Measurement-free preparation of grid states21
A phononic interface between a superconducting quantum processor and quantum networked spin memories21
Long-time simulations for fixed input states on quantum hardware21
A machine learning approach to Bayesian parameter estimation21
Counterfactual ghost imaging21
Quantum Fisher information measurement and verification of the quantum Cramér–Rao bound in a solid-state qubit20
Beyond the standard quantum limit for parametric amplification of broadband signals20
Experimental demonstration of entanglement delivery using a quantum network stack20
Quantum Zeno effects across a parity-time symmetry breaking transition in atomic momentum space20
Characterizing decoherence rates of a superconducting qubit by direct microwave scattering20
Characterization and control of open quantum systems beyond quantum noise spectroscopy20
Counteracting dephasing in Molecular Nanomagnets by optimized qudit encodings20
Universal and operational benchmarking of quantum memories20
Deep reinforcement learning for efficient measurement of quantum devices20
Self-testing quantum systems of arbitrary local dimension with minimal number of measurements20
Experimental creation of multi-photon high-dimensional layered quantum states20
Optimal control of stimulated Raman adiabatic passage in a superconducting qudit20
Bound state in a giant atom-modulated resonators system19
A network-ready random-access qubits memory19
Transmon qubit readout fidelity at the threshold for quantum error correction without a quantum-limited amplifier19
Adaptive, problem-tailored variational quantum eigensolver mitigates rough parameter landscapes and barren plateaus19
Path toward manufacturable superconducting qubits with relaxation times exceeding 0.1 ms19
Quantum sensors for microscopic tunneling systems19
A quantum algorithm for string matching19
Fundamental limits of electron and nuclear spin qubit lifetimes in an isolated self-assembled quantum dot19
A Bayesian analysis of classical shadows19
Precise programmable quantum simulations with optical lattices19
Electrical control of coherent spin rotation of a single-spin qubit19
Temporal distinguishability in Hong-Ou-Mandel interference for harnessing high-dimensional frequency entanglement19