OOIR: Observatory of International Research

Papers

(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 2020-07-01 to 2024-07-01.)

Article	Citations
Towards practical quantum computers: transmon qubit with a lifetime approaching 0.5 milliseconds	147
Variational fast forwarding for quantum simulation beyond the coherence time	139
Efficient and noise resilient measurements for quantum chemistry on near-term quantum computers	131
Emergence and control of complex behaviors in driven systems of interacting qubits with dissipation	95
Symmetry-resolved entanglement detection using partial transpose moments	94
Leakage reduction in fast superconducting qubit gates via optimal control	93
Laser-annealing Josephson junctions for yielding scaled-up superconducting quantum processors	91
Iterative quantum amplitude estimation	88
The Born supremacy: quantum advantage and training of an Ising Born machine	79
Finding flows of a Navier–Stokes fluid through quantum computing	74
Resource-efficient quantum algorithm for protein folding	73
Practical quantum computation of chemical and nuclear energy levels using quantum imaginary time evolution and Lanczos algorithms	72
Unfolding quantum computer readout noise	71
Solid-state qubits integrated with superconducting through-silicon vias	70
Identifying optimal cycles in quantum thermal machines with reinforcement-learning	67
Feasibility of satellite-to-ground continuous-variable quantum key distribution	65
Full daylight quantum-key-distribution at 1550 nm enabled by integrated silicon photonics	64
Low rank representations for quantum simulation of electronic structure	63
Parallel quantum simulation of large systems on small NISQ computers	62
Saving superconducting quantum processors from decay and correlated errors generated by gamma and cosmic rays	61
Experimental authentication of quantum key distribution with post-quantum cryptography	60
Nearest centroid classification on a trapped ion quantum computer	57
Proposal for space-borne quantum memories for global quantum networking	54
Storage of photonic time-bin qubits for up to 20 ms in a rare-earth doped crystal	54
Entanglement across separate silicon dies in a modular superconducting qubit device	52

Fundamental limits of quantum error mitigation	52
Machine learning of high dimensional data on a noisy quantum processor	51
Optimal operation points for ultrafast, highly coherent Ge hole spin-orbit qubits	50
A variational toolbox for quantum multi-parameter estimation	46
Scalable quantum computer with superconducting circuits in the ultrastrong coupling regime	45
Gigahertz measurement-device-independent quantum key distribution using directly modulated lasers	45
Classical variational simulation of the Quantum Approximate Optimization Algorithm	44
Effective routing design for remote entanglement generation on quantum networks	44
Implementation of a 46-node quantum metropolitan area network	44
Spectrally reconfigurable quantum emitters enabled by optimized fast modulation	43
Multi-exponential error extrapolation and combining error mitigation techniques for NISQ applications	43
High-performance quantum entanglement generation via cascaded second-order nonlinear processes	42
Imaging and certifying high-dimensional entanglement with a single-photon avalanche diode camera	42
Flexible entanglement-distribution network with an AlGaAs chip for secure communications	42
Gate-free state preparation for fast variational quantum eigensolver simulations	41
Quantum circuit architecture search for variational quantum algorithms	41
Energy-participation quantization of Josephson circuits	41
High fidelity two-qubit gates on fluxoniums using a tunable coupler	39
Spooky action at a global distance: analysis of space-based entanglement distribution for the quantum internet	38
Conveyor-mode single-electron shuttling in Si/SiGe for a scalable quantum computing architecture	38
Enhancing quantum cryptography with quantum dot single-photon sources	37
Dynamics of superconducting qubit relaxation times	37
Experimental test of non-macrorealistic cat states in the cloud	37
Accurate Lindblad-form master equation for weakly damped quantum systems across all regimes	37
Variational quantum state eigensolver	36
Hamiltonian simulation in the low-energy subspace	36
Tight finite-key security for twin-field quantum key distribution	35
Very low overhead fault-tolerant magic state preparation using redundant ancilla encoding and flag qubits	35
Implementation of quantum imaginary-time evolution method on NISQ devices by introducing nonlocal approximation	35
A neural network oracle for quantum nonlocality problems in networks	34
Strategies for achieving high key rates in satellite-based QKD	34
Variational quantum eigensolver with reduced circuit complexity	34
Quantum-enhanced interferometry with large heralded photon-number states	34
Sudden death and revival of Gaussian Einstein–Podolsky–Rosen steering in noisy channels	33
Adaptive quantum state tomography with neural networks	33
Experimental adaptive Bayesian estimation of multiple phases with limited data	32
Detector-integrated on-chip QKD receiver for GHz clock rates	32
Machine learning aided carrier recovery in continuous-variable quantum key distribution	32
648 Hilbert-space dimensionality in a biphoton frequency comb: entanglement of formation and Schmidt mode decomposition	30
Quantum teleportation with imperfect quantum dots	29
Quantum repeaters based on concatenated bosonic and discrete-variable quantum codes	29
Path-encoded high-dimensional quantum communication over a 2-km multicore fiber	29
Proof-of-principle experimental demonstration of twin-field quantum key distribution over optical channels with asymmetric losses	29
Parameter estimation in quantum sensing based on deep reinforcement learning	29
A quantum router architecture for high-fidelity entanglement flows in quantum networks	29
Overcoming detection loss and noise in squeezing-based optical sensing	28
Storage and retrieval of microwave pulses with molecular spin ensembles	28
Quantum transport and localization in 1d and 2d tight-binding lattices	28
Experimental quantum kernel trick with nuclear spins in a solid	28
Quantum Hall phases emerging from atom–photon interactions	27

Experimental characterization of the energetics of quantum logic gates	27
Deterministic improvements of quantum measurements with grouping of compatible operators, non-local transformations, and covariance estimates	27
Finite key effects in satellite quantum key distribution	27
Leakage detection for a transmon-based surface code	26
Observation of Bloch oscillations and Wannier-Stark localization on a superconducting quantum processor	26
Measuring magic on a quantum processor	26
Giant shift upon strain on the fluorescence spectrum of VNNB color centers in h-BN	26
High-accuracy Ising machine using Kerr-nonlinear parametric oscillators with local four-body interactions	26
Quantum communication with itinerant surface acoustic wave phonons	26
Experimental demonstration of measurement-device-independent measure of quantum steering	26
Global correlation and local information flows in controllable non-Markovian open quantum dynamics	25
Genuine quantum networks with superposed tasks and addressing	25
Towards a microwave single-photon counter for searching axions	25
Computing secure key rates for quantum cryptography with untrusted devices	25
Entropy production in continuously measured Gaussian quantum systems	24
Quantum circuit cutting with maximum-likelihood tomography	24
Advances in device-independent quantum key distribution	24
Continuous-mode quantum key distribution with digital signal processing	24
Efficient computation of the Nagaoka–Hayashi bound for multiparameter estimation with separable measurements	24
Deterministic spin-photon entanglement from a trapped ion in a fiber Fabry–Perot cavity	24
Quantum random number cloud platform	24
Coherent manipulation and quantum phase interference in a fullerene-based electron triplet molecular qutrit	24
Critical parametric quantum sensing	24
Optimal teleportation via noisy quantum channels without additional qubit resources	24
Adaptive, problem-tailored variational quantum eigensolver mitigates rough parameter landscapes and barren plateaus	24
Free electrons can induce entanglement between photons	23
Quasiprobability decompositions with reduced sampling overhead	23
Analyzing the performance of variational quantum factoring on a superconducting quantum processor	23
Circuit quantization with time-dependent magnetic fields for realistic geometries	23
3D integration and measurement of a semiconductor double quantum dot with a high-impedance TiN resonator	23
Two-dimensional centrosymmetrical antiferromagnets for spin photogalvanic devices	22
Transmon qubit readout fidelity at the threshold for quantum error correction without a quantum-limited amplifier	22
Orbital-optimized pair-correlated electron simulations on trapped-ion quantum computers	22
Measurement-free preparation of grid states	22
A phononic interface between a superconducting quantum processor and quantum networked spin memories	22
Coherence of a charge stabilised tin-vacancy spin in diamond	22
A machine learning approach to Bayesian parameter estimation	22
Quantum Fisher information measurement and verification of the quantum Cramér–Rao bound in a solid-state qubit	21
Counterfactual ghost imaging	21
Experimental demonstration of entanglement delivery using a quantum network stack	21
Experimental creation of multi-photon high-dimensional layered quantum states	21
Self-testing quantum systems of arbitrary local dimension with minimal number of measurements	21
Deep reinforcement learning for efficient measurement of quantum devices	21
Long-time simulations for fixed input states on quantum hardware	21
Beyond the standard quantum limit for parametric amplification of broadband signals	21
Quantum electromechanics with levitated nanoparticles	21
Counteracting dephasing in Molecular Nanomagnets by optimized qudit encodings	21
Characterization and control of open quantum systems beyond quantum noise spectroscopy	20
Quantum Zeno effects across a parity-time symmetry breaking transition in atomic momentum space	20
Cooperative-effect-induced one-way steering in open cavity magnonics	20
Universal and operational benchmarking of quantum memories	20
Characterizing decoherence rates of a superconducting qubit by direct microwave scattering	20
A quantum algorithm for string matching	20
Optimal control of stimulated Raman adiabatic passage in a superconducting qudit	20
A Bayesian analysis of classical shadows	19
Quantum sensors for microscopic tunneling systems	19
Robust quantum-network memory based on spin qubits in isotopically engineered diamond	19
Fundamental limits of electron and nuclear spin qubit lifetimes in an isolated self-assembled quantum dot	19
Bound state in a giant atom-modulated resonators system	19
A network-ready random-access qubits memory	19
Precise programmable quantum simulations with optical lattices	19
Practical distributed quantum information processing with LOCCNet	19
Temporal distinguishability in Hong-Ou-Mandel interference for harnessing high-dimensional frequency entanglement	19
Path toward manufacturable superconducting qubits with relaxation times exceeding 0.1 ms	19
Experimental unsupervised learning of non-Hermitian knotted phases with solid-state spins	19
Nanoscale electric field imaging with an ambient scanning quantum sensor microscope	19
Electrical control of coherent spin rotation of a single-spin qubit	19