OOIR: Observatory of International Research

Papers

(The TQCC of npj Quantum Information is 18. 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 2021-11-01 to 2025-11-01.)

Article	Citations
Author Correction: Dephasing enabled fast charging of quantum batteries	290
Non-linear Boson Sampling	114
Exhaustive search for optimal molecular geometries using imaginary-time evolution on a quantum computer	110
Group-theoretic error mitigation enabled by classical shadows and symmetries	94
Quasiprobability decompositions with reduced sampling overhead	91
Semi-device-independent quantum random number generator with a broadband squeezed state of light	89
Interferometry of quantum correlation functions to access quasiprobability distribution of work	89
Parameterized quantum circuits as universal generative models for continuous multivariate distributions	88
Unveiling quantum phase transitions from traps in variational quantum algorithms	76
Resource-optimized fault-tolerant simulation of the Fermi-Hubbard model and high-temperature superconductor models	76
Towards practical and massively parallel quantum computing emulation for quantum chemistry	70
Quantum computational phase transition in combinatorial problems	70
Contextual subspace variational quantum eigensolver calculation of the dissociation curve of molecular nitrogen on a superconducting quantum computer	70
Optimal measurement structures for contextuality applications	66
Maximal steady-state entanglement in autonomous quantum thermal machines	66
6-qubit optimal Clifford circuits	65
Optically induced nuclear spin–spin couplings in GaAs manifested by spin echo decays under optical pumping	62
Reply to “Comment to ‘The laws of physics do not prohibit counterfactual communication’ ”	62
Large-scale simulations of Floquet physics on near-term quantum computers	60
A mid-circuit erasure check on a dual-rail cavity qubit using the joint-photon number-splitting regime of circuit QED	56
Controlled-phase gate by dynamic coupling of photons to a two-level emitter	56
TR12 centers in diamond as a room temperature atomic scale vector magnetometer	54
Microwave single-photon detection using a hybrid spin-optomechanical quantum interface	54
Nonlinear phase gates as Airy transforms of the Wigner function	53
Modeling Si/SiGe quantum dot variability induced by interface disorder reconstructed from multiperspective microscopy	52

Hole-type superconducting gatemon qubit based on Ge/Si core/shell nanowires	52
Extensive characterization and implementation of a family of three-qubit gates at the coherence limit	50
Modulation leakage-free continuous-variable quantum key distribution	50
Publisher Correction: Equivalence checking of quantum circuits by nonlocality	48
Quantum emulation of topological magneto-optical effects using ultracold atoms	48
Author Correction: Decoherence of nitrogen-vacancy spin ensembles in a nitrogen electron-nuclear spin bath in diamond	47
The laws of physics do not prohibit counterfactual communication	46
Protocol for certifying entanglement in surface spin systems using a scanning tunneling microscope	46
Enhancing quantum state reconstruction with structured classical shadows	46
The genuinely multipartite nonlocality of graph states is model-dependent	45
Check-probe spectroscopy of lifetime-limited emitters in bulk-grown silicon carbide	45
Long-time simulations for fixed input states on quantum hardware	44
Constraints on magic state protocols from the statistical mechanics of Wigner negativity	44
Nanomechanical cat states generated by a dc voltage-driven Cooper pair box qubit	43
Boosted quantum teleportation	43
Time-optimal control of a solid-state spin amidst dynamical quantum wind	42
Revising the quantum work fluctuation framework to encompass energy conservation	42
Hamiltonian phase error in resonantly driven CNOT gate above the fault-tolerant threshold	41
Verifying the security of a continuous variable quantum communication protocol via quantum metrology	40
Evidence of Kardar-Parisi-Zhang scaling on a digital quantum simulator	40
Heisenberg-limited Hamiltonian learning for interacting bosons	40
Energy and bandwidth efficiency optimization of quantum-enabled optical communication channels	40
Long optical and electron spin coherence times for erbium ions in silicon	40
Quantum Zeno Monte Carlo for computing observables	39
Low-overhead defect-adaptive surface code with bandage-like super-stabilizers	38
Robust microwave-optical photon conversion using cavity modes strongly hybridized with a color center ensemble	38
Steering nonlocality in high-speed telecommunication system without detection loophole	38
Probing two-qubit capacitive interactions beyond bilinear regime using dual Hamiltonian parameter estimations	36
Surpassing the repeaterless bound with a photon-number encoded measurement-device-independent quantum key distribution protocol	36
Characterizing privacy in quantum machine learning	36
CNOT circuits need little help to implement arbitrary Hadamard-free Clifford transformations they generate	36
High frequency magnetometry with an ensemble of spin qubits in hexagonal boron nitride	36
Hamiltonian dynamics on digital quantum computers without discretization error	36
Dynamics of superconducting qubit relaxation times	35
Quantum causal unravelling	35
Excessive precision compromises accuracy even with unlimited resources due to the trade-off in quantum metrology	35
Free electrons can induce entanglement between photons	35
High-fidelity four-photon GHZ states on chip	35
Calibrating quantum gates up to 52 qubits in a superconducting processor	34
Qubit teleportation between a memory-compatible photonic time-bin qubit and a solid-state quantum network node	34
Beyond the standard quantum limit for parametric amplification of broadband signals	34
Unleashed from constrained optimization: quantum computing for quantum chemistry employing generator coordinate inspired method	33
A 2-Gbps low-SWaP quantum random number generator with photonic integrated circuits for satellite applications	33
Experimental unsupervised learning of non-Hermitian knotted phases with solid-state spins	33
Parameterized quantum comb and simpler circuits for reversing unknown qubit-unitary operations	33
Quantum-enhanced Doppler lidar	32
High dimensional counterdiabatic quantum computing	32
Calibration-independent bound on the unitarity of a quantum channel with application to a frequency converter	31
Detecting positive quantum capacities of quantum channels	31
Nonclassicality detection from few Fock-state probabilities	31

Quantum LOSR networks cannot generate graph states with high fidelity	31
Path toward manufacturable superconducting qubits with relaxation times exceeding 0.1 ms	31
Simultaneous discovery of quantum error correction codes and encoders with a noise-aware reinforcement learning agent	30
Determination of the asymptotic limits of adaptive photon counting measurements for coherent-state optical phase estimation	30
Intelligent certification for quantum simulators via machine learning	30
Solving k–SAT problems with generalized quantum measurement	29
Equivalence checking of quantum circuits by nonlocality	29
Dephasing enabled fast charging of quantum batteries	29
Atom-level electronic physicists are needed to develop practical engines with a quantum advantage	29
Fidelity bounds for device-independent advantage distillation	28
Unified linear response theory of quantum electronic circuits	28
Remote cooling of spin-ensembles through a spin-mechanical hybrid interface	28
Implementation of carrier-grade quantum communication networks over 10000 km	27
Coupling conduction-band valleys in SiGe heterostructures via shear strain and Ge concentration oscillations	26
Spectroscopic characterization of the quantum linear-zigzag transition in trapped ions	26
Data needs and challenges for quantum dot devices automation	25
Dimension reduction in quantum sampling of stochastic processes	25
High-fidelity spin readout via the double latching mechanism	25
Scalable and robust quantum computing on qubit arrays with fixed coupling	25
Practical techniques for high-precision measurements on near-term quantum hardware and applications in molecular energy estimation	25
Gate-set evaluation metrics for closed-loop optimal control on nitrogen-vacancy center ensembles in diamond	25
Lightcone bounds for quantum circuit mapping via uncomplexity	25
Error measurements for a quantum annealer using the one-dimensional Ising model with twisted boundaries	25
Effect of partial distinguishability on quantum supremacy in Gaussian Boson sampling	25
Spatially correlated classical and quantum noise in driven qubits	24
A quantum algorithm for solving 0-1 Knapsack problems	24
Storage of photonic time-bin qubits for up to 20 ms in a rare-earth doped crystal	24
Passive demultiplexed two-photon state generation from a quantum dot	24
Quantum speed limit for complex dynamics	24
Efficient sparse state preparation via quantum walks	24
Classical simulations of noisy variational quantum circuits	23
Reducing thermal noise by quantum refrigerators	22
On-chip parallel processing of quantum frequency comb	22
Sampling frequency thresholds for the quantum advantage of the quantum approximate optimization algorithm	22
Fundamental quantum limits of magnetic nearfield measurements	22
Less entanglement exhibiting more nonlocality with noisy measurements	22
Boundaries of quantum supremacy via random circuit sampling	22
Quantum autoencoders using mixed reference states	22
A quantum dot crossbar with sublinear scaling of interconnects at cryogenic temperature	22
Theoretical guarantees for permutation-equivariant quantum neural networks	22
Experimental signature of initial quantum coherence on entropy production	22
An elegant scheme of self-testing for multipartite Bell inequalities	22
Variational quantum state eigensolver	22
Entangling entanglement: coupling frequency and polarization of biphotons on demand	21
Towards a spectrally multiplexed quantum repeater	21
Advances in device-independent quantum key distribution	21
Reconfigurable quantum phononic circuits via piezo-acoustomechanical interactions	21
Quantum algorithms for matrix geometric means	21
Closed-loop optimization of fast trapped-ion shuttling with sub-quanta excitation	21
Observation of large spontaneous emission rate enhancement of quantum dots in a broken-symmetry slow-light waveguide	21
Charge-parity switching effects and optimisation of transmon-qubit design parameters	21
All three-angle variants of Tsirelson’s precession protocol, and improved bounds for wedge integrals of Wigner functions	21
Detection of molecular transitions with nitrogen-vacancy centers and electron-spin labels	21
Compilation and scaling strategies for a silicon quantum processor with sparse two-dimensional connectivity	21
Quantum causal inference with extremely light touch	20
Integrating quantum processor device and control optimization in a gradient-based framework	20
Fundamental causal bounds of quantum random access memories	20
Self-testing of a single quantum system from theory to experiment	20
All-optical nuclear quantum sensing using nitrogen-vacancy centers in diamond	20
Strong majorization uncertainty relations and experimental verifications	19
Lindblad-like quantum tomography for non-Markovian quantum dynamical maps	19
Error crafting in mixed quantum gate synthesis	19
Stabilizing multiple topological fermions on a quantum computer	19
Distillation of Gaussian Einstein-Podolsky-Rosen steering with noiseless linear amplification	19
Surpassing spectator qubits with photonic modes and continuous measurement for Heisenberg-limited noise mitigation	19
Estimating the randomness of quantum circuit ensembles up to 50 qubits	19
Peptide conformational sampling using the Quantum Approximate Optimization Algorithm	19
Towards practical quantum computers: transmon qubit with a lifetime approaching 0.5 milliseconds	18
Inverted fine structure of a 6H-SiC qubit enabling robust spin-photon interface	18
Experimental critical quantum metrology with the Heisenberg scaling	18
Controlling the photon number coherence of solid-state quantum light sources for quantum cryptography	18
First-order phase transition of the Schwinger model with a quantum computer	18
Entanglement transitivity problems	18
Coherent enhancement of collection of light from linear ion crystals	18
Magic transition in measurement-only circuits	18