Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Estimating and decoding coherent errors of QEC experiments with detector error models
Evangelia Takou, Kenneth R. Brown·Oct 27, 2025
Decoders of quantum error correction (QEC) experiments make decisions based on detected errors and the expected rates of error events, which together comprise a detector error model. Here we show that the syndrome history of QEC experiments is suffic...
FPGA-Based Adaptive Control for Phase Stabilization in Fiber-Optic Interferometers Using Correlated Photons
P. M. Berto, F. CampodÓnico, A. A. Matoso +5 more·Oct 27, 2025
Time-bin encoded photon pairs enable robust, decoherence-resistant transmission through optical fibers for long-distance quantum communication, where phase noise poses a critical limitation to stable operation. Here, we implement an adaptive Perturba...
Spoofing resilience for simple-detection quantum illumination LIDAR
Richard J. Murchie, John Jeffers·Oct 27, 2025
Object detection and range finding using a weak light source is vulnerable to jamming and spoofing attacks by an intruder. Quantum illumination with nonsimultaneous, phase-insensitive coincidence measurements can provide jamming resilience compared t...
Reducing Ion Heating in Quantum Computing: A Novel 3D-Printed Micro Ion Trap with Skeleton Structure
Chon-Teng Belmiro Chu, Hao-Chung Chen, Ting Hsu +3 more·Oct 26, 2025
Electric-field-induced ion heating is a major obstacle in scalable trapped-ion quantum computing. We present a theoretical study of a novel 3D-printed ion trap with a skeleton electrode structure, designed to reduce heating by minimizing surface area...
Scalable Neural Decoders for Practical Real-Time Quantum Error Correction
Changwon Lee, Tak Hur, Daniel K. Park·Oct 26, 2025
Real-time, scalable, and accurate decoding is a critical component for realizing a fault-tolerant quantum computer. While Transformer-based neural decoders such as \textit{AlphaQubit} have demonstrated high accuracy, the computational complexity of t...
qc-kmeans: A Quantum Compressive K-Means Algorithm for NISQ Devices
Pedro Chumpitaz-Flores, My Duong, Ying Mao +1 more·Oct 26, 2025
Clustering on NISQ hardware is constrained by data loading and limited qubits. We present \textbf{qc-kmeans}, a hybrid compressive $k$-means that summarizes a dataset with a constant-size Fourier-feature sketch and selects centroids by solving small ...
Experimental Proposal on Scalable Radio-Frequency Magnetometer with Trapped Ions
Yuxiang Huang, Wei Wu, Qingyuan Mei +1 more·Oct 26, 2025
Quantum magnetometry represents a fundamental component of quantum metrology, where trapped-ion systems have achieved $\rm{pT}/\sqrt{\rm{Hz}}$ sensitivity in single-ion radio-frequency magnetic field measurements via dressed states based dynamical de...
Resilience of Entanglement-Induced Coordination in Adversarial Environments: The Team-Based Quantum Sabotage Game
Sinan Bugu·Oct 25, 2025
Quantumgametheoryextendsclassical strategic decision-making by incorporating quantum superposition, entanglement, and measurement-induced randomness into competitive interactions. This paper introduces a team-based Quantum Sabotage Game (QSG), in whi...
The Cost of Certainty: Shot Budgets in Quantum Program Testing
Andriy Miranskyy·Oct 25, 2025
As quantum computing advances toward early fault-tolerant machines, testing and verification of quantum programs become urgent but costly, since each execution consumes scarce hardware resources. Unlike in classical software testing, every measuremen...
Making the Virtual Real: Measurement-Powered Tunneling Engines
Rafael Sánchez, Alok Nath Singh, Andrew N. Jordan +1 more·Oct 25, 2025
Quantum tunneling allows electrons to be transferred between two regions separated by an energetically forbidden barrier. Performing a position measurement that finds a particle in the barrier forces the tunneling electrons to transition from having ...
Autonomous Floquet Engineering of Bosonic Codes via Reinforcement Learning
Zheping Wu, Lingzhen Guo, Haobin Shi +1 more·Oct 25, 2025
Bosonic codes represent a promising route toward quantum error correction in continuous-variable systems, with direct relevance to experimental platforms such as circuit QED and optomechanics. However, their preparation and stabilization remain highl...
Effect of Stochastic Charge Noise in Si/SiGe Quantum-Dot Spin Qubits
Wei-en Chiu, Chia-Hsien Huang, Yi-Hsien Wu +1 more·Oct 25, 2025
In Si/SiGe quantum dots, the decoherence behavior of spin qubits usually comes from the non-Markovian effect of the charge noise. To improve the performance of using the coherent noise models in the decoherence simulation and tomography analysis, her...
Boundaries of Acceptable Defectiveness: Redefining Surface Code Robustness under Heterogeneous Noise
Jacob S. Palmer, Kaitlin N. Smith·Oct 24, 2025
A variety of past research on superconducting qubits shows that these devices exhibit considerable variation and thus cannot be accurately depicted by a uniform noise model. To combat this often unrealistic picture of homogeneous noise in quantum pro...
Suppressing excitations using quantum-Brachistochrone and nearest-neighbour interactions
S John Sharon Sandeep, Dibyajyoti Sahu, Suhas Gangadharaiah·Oct 24, 2025
We examine excitation suppression in the transverse-field Ising model (TFIM), where finite-time drive across a quantum critical point is assisted by the presence of a time-dependent coupling parameter. While conventional counterdiabatic protocols are...
Obtaining Accurate Ground-State Properties on Near-term Quantum Devices
Qi-Ming Ding, Jiawei Peng, Junxiang Huang +6 more·Oct 24, 2025
Accurate ground-state calculations on noisy quantum computers are fundamentally limited by restricted ansatz expressivity and unavoidable hardware errors. We introduce a hybrid-quantum classical framework that simultaneously addresses these challenge...
A broadband single microwave-photon detector insensitive to the thermal noise
Y. Q. Chai, M. Y. Wang, S. N. Wang +2 more·Oct 24, 2025
Thermal noise is one of the physical obstacles that constrain the achievable detection sensitivities of various detectors. Indeed, as we showed in a recent paper (PRB 111, 024501 (2025)), the usual Josephson threshold detector (JTD) operated in an eq...
Harnessing Intrinsic Noise for Quantum Simulation of Open Quantum Systems
Sameer Dambal, Akira Sone, Yu Zhang·Oct 24, 2025
Simulating open quantum systems on quantum computers presents a fundamental challenge: open quantum dynamics are intrinsically nonunitary, whereas quantum computers operate through unitary evolution. Conventional approaches overcome this mismatch by ...
Quantum Sensing of Gravitational Frame-Dragging with a Superfluid $^4$He Gyrometer
Kai-Isaak Ellers, Marios Christodoulou, K. C. Schwab +1 more·Oct 23, 2025
We propose a laboratory-scale experiment to locally measure the general relativistic frame-dragging effect on Earth using the macroscopic quantum properties of a novel superfluid $^4$He single Josephson junction gyrometer. We derive the frame-draggin...
How typical is contextuality?
Vinicius P. Rossi, Beata Zjawin, Roberto D. Baldijão +3 more·Oct 23, 2025
Identifying when observed statistics cannot be explained by any reasonable classical model is a central problem in quantum foundations. A principled and universally applicable approach to defining and identifying nonclassicality is given by the notio...
Classical Noise Inversion: A Practical and Optimal framework for Robust Quantum Applications
Dayue Qin, Ying Li, You Zhou·Oct 23, 2025
Quantum error mitigation is a critical technology for extracting reliable computations from noisy quantum processors, proving itself essential not only in the near term but also as a valuable supplement to fully fault-tolerant systems in the future. ...