OOIR: Observatory of International Research

Papers

(The TQCC of npj Quantum Information is 17. 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 2021-08-01 to 2025-08-01.)

Article	Citations
Optimal measurement structures for contextuality applications	262
Maximal steady-state entanglement in autonomous quantum thermal machines	135
Author Correction: Dephasing enabled fast charging of quantum batteries	127
Non-linear Boson Sampling	100
Quasiprobability decompositions with reduced sampling overhead	100
Group-theoretic error mitigation enabled by classical shadows and symmetries	90
Parameterized quantum circuits as universal generative models for continuous multivariate distributions	84
Interferometry of quantum correlation functions to access quasiprobability distribution of work	83
Contextual subspace variational quantum eigensolver calculation of the dissociation curve of molecular nitrogen on a superconducting quantum computer	82
Unveiling quantum phase transitions from traps in variational quantum algorithms	80
Exhaustive search for optimal molecular geometries using imaginary-time evolution on a quantum computer	79
Quantum computational phase transition in combinatorial problems	78
Semi-device-independent quantum random number generator with a broadband squeezed state of light	78
6-qubit optimal Clifford circuits	76
Towards practical and massively parallel quantum computing emulation for quantum chemistry	74
Large-scale simulations of Floquet physics on near-term quantum computers	70
Controlled-phase gate by dynamic coupling of photons to a two-level emitter	70
Optically induced nuclear spin–spin couplings in GaAs manifested by spin echo decays under optical pumping	65
Reply to “Comment to ‘The laws of physics do not prohibit counterfactual communication’ ”	63
Modulation leakage-free continuous-variable quantum key distribution	61
TR12 centers in diamond as a room temperature atomic scale vector magnetometer	61
Hole-type superconducting gatemon qubit based on Ge/Si core/shell nanowires	58
Modeling Si/SiGe quantum dot variability induced by interface disorder reconstructed from multiperspective microscopy	57
Extensive characterization and implementation of a family of three-qubit gates at the coherence limit	57
Symmetry-resolved entanglement detection using partial transpose moments	54

A mid-circuit erasure check on a dual-rail cavity qubit using the joint-photon number-splitting regime of circuit QED	54
Protocol for certifying entanglement in surface spin systems using a scanning tunneling microscope	54
Quantum emulation of topological magneto-optical effects using ultracold atoms	49
Author Correction: Decoherence of nitrogen-vacancy spin ensembles in a nitrogen electron-nuclear spin bath in diamond	48
Publisher Correction: Equivalence checking of quantum circuits by nonlocality	48
Evidence of Kardar-Parisi-Zhang scaling on a digital quantum simulator	47
Check-probe spectroscopy of lifetime-limited emitters in bulk-grown silicon carbide	47
The laws of physics do not prohibit counterfactual communication	46
Hamiltonian phase error in resonantly driven CNOT gate above the fault-tolerant threshold	46
Verifying the security of a continuous variable quantum communication protocol via quantum metrology	46
Boosted quantum teleportation	46
Revising the quantum work fluctuation framework to encompass energy conservation	45
The genuinely multipartite nonlocality of graph states is model-dependent	45
Time-optimal control of a solid-state spin amidst dynamical quantum wind	44
Heisenberg-limited Hamiltonian learning for interacting bosons	43
Long-time simulations for fixed input states on quantum hardware	42
Nanomechanical cat states generated by a dc voltage-driven Cooper pair box qubit	42
Long optical and electron spin coherence times for erbium ions in silicon	41
Constraints on magic state protocols from the statistical mechanics of Wigner negativity	41
Energy and bandwidth efficiency optimization of quantum-enabled optical communication channels	40
Calibrating quantum gates up to 52 qubits in a superconducting processor	40
High-performance quantum entanglement generation via cascaded second-order nonlinear processes	40
Quantum Zeno Monte Carlo for computing observables	40
Probing two-qubit capacitive interactions beyond bilinear regime using dual Hamiltonian parameter estimations	39
Surpassing the repeaterless bound with a photon-number encoded measurement-device-independent quantum key distribution protocol	39
Experimental unsupervised learning of non-Hermitian knotted phases with solid-state spins	39
Beyond the standard quantum limit for parametric amplification of broadband signals	38
Steering nonlocality in high-speed telecommunication system without detection loophole	38
Excessive precision compromises accuracy even with unlimited resources due to the trade-off in quantum metrology	37
Low-overhead defect-adaptive surface code with bandage-like super-stabilizers	37
Robust microwave-optical photon conversion using cavity modes strongly hybridized with a color center ensemble	36
Quantum causal unravelling	35
Wilson loop and Wilczek-Zee phase from a non-Abelian gauge field	35
Characterizing privacy in quantum machine learning	34
Qubit teleportation between a memory-compatible photonic time-bin qubit and a solid-state quantum network node	34
High frequency magnetometry with an ensemble of spin qubits in hexagonal boron nitride	33
Unleashed from constrained optimization: quantum computing for quantum chemistry employing generator coordinate inspired method	33
Free electrons can induce entanglement between photons	33
Dynamics of superconducting qubit relaxation times	33
Hamiltonian dynamics on digital quantum computers without discretization error	33
High-fidelity four-photon GHZ states on chip	33
Detecting positive quantum capacities of quantum channels	33
CNOT circuits need little help to implement arbitrary Hadamard-free Clifford transformations they generate	33
Nearest centroid classification on a trapped ion quantum computer	32
Determination of the asymptotic limits of adaptive photon counting measurements for coherent-state optical phase estimation	32
Nonclassicality detection from few Fock-state probabilities	32
Parameterized quantum comb and simpler circuits for reversing unknown qubit-unitary operations	32
High dimensional counterdiabatic quantum computing	32
Calibration-independent bound on the unitarity of a quantum channel with application to a frequency converter	32
Intelligent certification for quantum simulators via machine learning	32

Quantum LOSR networks cannot generate graph states with high fidelity	32
Variational preparation of finite-temperature states on a quantum computer	31
Quantum-enhanced Doppler lidar	31
Dephasing enabled fast charging of quantum batteries	30
Quantum-enhanced analysis of discrete stochastic processes	30
Full monitoring of ensemble trajectories with 10 dB-sub-Heisenberg imprecision	29
Path toward manufacturable superconducting qubits with relaxation times exceeding 0.1 ms	29
Simultaneous discovery of quantum error correction codes and encoders with a noise-aware reinforcement learning agent	29
Equivalence checking of quantum circuits by nonlocality	28
Noise-robust classification of single-shot electron spin readouts using a deep neural network	28
Coupling conduction-band valleys in SiGe heterostructures via shear strain and Ge concentration oscillations	28
Unified linear response theory of quantum electronic circuits	28
Spectroscopic characterization of the quantum linear-zigzag transition in trapped ions	28
Effect of partial distinguishability on quantum supremacy in Gaussian Boson sampling	28
Fidelity bounds for device-independent advantage distillation	28
Remote cooling of spin-ensembles through a spin-mechanical hybrid interface	28
Atom-level electronic physicists are needed to develop practical engines with a quantum advantage	28
Laser-annealing Josephson junctions for yielding scaled-up superconducting quantum processors	27
Less entanglement exhibiting more nonlocality with noisy measurements	27
High-fidelity spin readout via the double latching mechanism	27
Lightcone bounds for quantum circuit mapping via uncomplexity	26
Data needs and challenges for quantum dot devices automation	26
Error measurements for a quantum annealer using the one-dimensional Ising model with twisted boundaries	26
Dimension reduction in quantum sampling of stochastic processes	26
Boundaries of quantum supremacy via random circuit sampling	25
Gate-set evaluation metrics for closed-loop optimal control on nitrogen-vacancy center ensembles in diamond	25
Sampling frequency thresholds for the quantum advantage of the quantum approximate optimization algorithm	25
Classical simulations of noisy variational quantum circuits	25
Theoretical guarantees for permutation-equivariant quantum neural networks	24
Spatially correlated classical and quantum noise in driven qubits	24
Quantum speed limit for complex dynamics	24
Practical techniques for high-precision measurements on near-term quantum hardware and applications in molecular energy estimation	24
Experimental signature of initial quantum coherence on entropy production	23
Scalable and robust quantum computing on qubit arrays with fixed coupling	22
Entangling entanglement: coupling frequency and polarization of biphotons on demand	22
Compilation and scaling strategies for a silicon quantum processor with sparse two-dimensional connectivity	22
Variational quantum state eigensolver	22
Storage of photonic time-bin qubits for up to 20 ms in a rare-earth doped crystal	22
A quantum dot crossbar with sublinear scaling of interconnects at cryogenic temperature	22
On-chip parallel processing of quantum frequency comb	22
All-optical nuclear quantum sensing using nitrogen-vacancy centers in diamond	22
Charge-parity switching effects and optimisation of transmon-qubit design parameters	21
Fundamental quantum limits of magnetic nearfield measurements	21
Quantum autoencoders using mixed reference states	21
Towards a spectrally multiplexed quantum repeater	21
Detection of molecular transitions with nitrogen-vacancy centers and electron-spin labels	21
Quantum algorithms for matrix geometric means	21
Closed-loop optimization of fast trapped-ion shuttling with sub-quanta excitation	21
Advances in device-independent quantum key distribution	21
Fundamental causal bounds of quantum random access memories	20
An elegant scheme of self-testing for multipartite Bell inequalities	20
Networking quantum networks with minimum cost aggregation	20
Observation of large spontaneous emission rate enhancement of quantum dots in a broken-symmetry slow-light waveguide	20
Entanglement transitivity problems	20
Reconfigurable quantum phononic circuits via piezo-acoustomechanical interactions	20
Self-testing of a single quantum system from theory to experiment	20
Lindblad-like quantum tomography for non-Markovian quantum dynamical maps	19
Surpassing spectator qubits with photonic modes and continuous measurement for Heisenberg-limited noise mitigation	19
Stabilizing multiple topological fermions on a quantum computer	19
Inverted fine structure of a 6H-SiC qubit enabling robust spin-photon interface	19
Quantum causal inference with extremely light touch	19
Coherent enhancement of collection of light from linear ion crystals	19
Integrating quantum processor device and control optimization in a gradient-based framework	19
Experimental demonstration of entanglement delivery using a quantum network stack	18
Towards practical quantum computers: transmon qubit with a lifetime approaching 0.5 milliseconds	18
Strong majorization uncertainty relations and experimental verifications	18
Distillation of Gaussian Einstein-Podolsky-Rosen steering with noiseless linear amplification	18
Estimating the randomness of quantum circuit ensembles up to 50 qubits	18
Author Correction: Lightcone bounds for quantum circuit mapping via uncomplexity	17
Experimental critical quantum metrology with the Heisenberg scaling	17
First-order phase transition of the Schwinger model with a quantum computer	17
Detecting and quantifying entanglement on near-term quantum devices	17
Experimental study of quantum coherence decomposition and trade-off relations in a tripartite system	17
Controlling the photon number coherence of solid-state quantum light sources for quantum cryptography	17
Peptide conformational sampling using the Quantum Approximate Optimization Algorithm	17
Error crafting in mixed quantum gate synthesis	17