Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Programmable Bell state generation in an integrated thin film lithium niobate circuit
Andreas Maeder, Robert J. Chapman, Alessandra Sabatti +3 more·Jun 22, 2025
Entanglement is central to quantum technologies such as cryptography, sensing, and computing. Photon pairs generated via nonlinear optical processes are excellent for preparing entangled states due to their long coherence times and compatibility with...
Quantum Magic in Discrete-Time Quantum Walk
Vikash Mittal, Yi-Ping Huang·Jun 21, 2025
Quantum magic, which accounts for the non-stabilizer content of a state, is essential for universal quantum computation beyond classically simulable resources. We investigate the generation and evolution of quantum magic in discrete-time quantum walk...
Quantum Computer Fingerprinting using Error Syndromes
Vincent Mutolo, Devon Campbell, Quinn Manning +5 more·Jun 19, 2025
As quantum computing matures and moves toward broader accessibility through cloud-based platforms, ensuring the authenticity and integrity of quantum computations becomes an urgent concern. In this work, we propose a strategy to leverage the byproduc...
Superconducting Qubit Readout Using Next-Generation Reservoir Computing
Robert M. Kent, Benjamin Lienhard, Gregory Lafyatis +1 more·Jun 18, 2025
Quantum processors require rapid and high-fidelity simultaneous measurements of many qubits. While superconducting qubits are among the leading modalities toward a useful quantum processor, their readout remains a bottleneck. Traditional approaches t...
Quantum-assisted Lagrangian tracer dispersion in turbulent shear flow
Julia Ingelmann, F. Schindler, J. Schumacher·Jun 17, 2025
We present a quantum-assisted generative algorithm for synthetic tracks of Lagrangian tracer particles in a simple turbulent shear flow. The parallelism, a result of the underlying tensor product structure of an n-qubit quantum register, and the samp...
One Polynomial Strategy for Computing Local Projections on Square-Lattice Cluster States
Nyau Fisn, Houren Fu·Jun 17, 2025
Quantum computing has attracted a lot of attention in recent years. It is one of the promising candidates for the next-generation computing paradigms. Basically, there are two technical lines to realize quantum computing. One is composing the unitary...
Towards fault-tolerant quantum computation with universal continuous-variable gates
S. Blair, F. Arzani, G. Ferrini +1 more·Jun 16, 2025
Continuous-variable (CV) systems have shown remarkable potential for quantum computation, particularly excelling in scalability and error correction through bosonic encoding. Within this framework, the foundational notion of computational universalit...
High-fidelity entanglement and coherent multi-qubit mapping in an atom array
Aruku Senoo, Alexander Baumgartner, Joanna W. Lis +5 more·Jun 16, 2025
Neutral atoms in optical tweezer arrays possess broad applicability for quantum information science, in computing, simulation, and metrology. Among atomic species, Ytterbium-171 is unique as it hosts multiple qubits, each of which is impactful for th...
A cavity array microscope for parallel single-atom interfacing
Adam L. Shaw, Anna Soper, Danial Shadmany +8 more·Jun 12, 2025
Neutral atom arrays and optical cavity QED systems have developed in parallel as central pillars of modern experimental quantum science. While each platform has demonstrated exceptional capabilities-such as high-fidelity quantum logic in atom arrays,...
Synchronization for Fault-Tolerant Quantum Computers
Satvik Maurya, Swamit S. Tannu·Jun 12, 2025
Quantum Error Correction (QEC) codes store information reliably in logical qubits by encoding them in a larger number of less reliable qubits. The surface code, known for its high resilience to physical errors, is a leading candidate for fault-tolera...
Lieb-Mattis states for robust entangled differential phase sensing
Raphael Kaubruegger, Diego Fallas Padilla, Athreya Shankar +9 more·Jun 11, 2025
We explore a two-node, entanglement-enhanced sensor network for differential phase sensing that exploits decoherence-free subspaces to suppress common-mode noise, a primary limitation of many state-of-the-art quantum sensors. We identify a class of e...
Covert Entanglement Generation over Bosonic Channels
Evan J. D. Anderson, Michael S. Bullock, Ohad Kimelfeld +4 more·Jun 11, 2025
We explore covert entanglement generation over the lossy thermal-noise bosonic channel, which is a quantum-mechanical model of many practical settings, including optical, microwave, and radio-frequency (RF) channels. Covert communication ensures that...
Symmetric quantum states: a review of recent progress
Carlo Marconi, Guillem Müller-Rigat, Jordi Romero-Pallejà +2 more·Jun 11, 2025
Symmetric quantum states are fascinating objects. They correspond to multipartite systems that remain invariant under particle permutations. This symmetry is reflected in their compact mathematical characterisation but also in their unique physical p...
Constructive interference at the edge of quantum ergodic dynamics
D. Abanin, R. Acharya, Laleh Aghababaie-Beni +262 more·Jun 11, 2025
Quantum observables in the form of few-point correlators are the key to characterizing the dynamics of quantum many-body systems. In dynamics with fast entanglement generation, quantum observables generally become insensitive to the details of the un...
High-Performance Heterodyne Receiver for Quantum Information Processing in a Laser Written Integrated Photonic Platform
Andrea Peri, Giulio Gualandi, Tommaso Bertapelle +8 more·Jun 10, 2025
Continuous-Variable Quantum Key Distribution (CV-QKD) and Quantum Random Number Generation (CV-QRNG) are critical technologies for secure communication and high-speed randomness generation, exploiting shot-noise-limited coherent detection for their o...
Quantum Adiabatic Generation of Human-Like Passwords
Sascha Mücke, R. Heese, Thore Gerlach +3 more·Jun 10, 2025
Generative Artificial Intelligence (GenAI) for Natural Language Processing (NLP) is the predominant AI technology to date. An important perspective for Quantum Computing (QC) is the question whether QC has the potential to reduce the vast resource re...
Nonlocality in Continuous-Variable Quantum Networks
Sudip Chakrabarty, Amit Kundu, A. S. Majumdar·Jun 9, 2025
Quantum networks enable forms of nonlocality beyond the standard Bell scenario, with a multitude of potential applications. Continuous-variable (CV) platforms are particularly attractive for large-scale networks, offering deterministic entanglement g...
Stark Tuning and Charge State Control in Individual Telecom C-Band Quantum Dots
N. J. Martin, A. J. Brash, A. Tomlinson +12 more·Jun 9, 2025
Telecom wavelength quantum dots (QDs) are emerging as a promising solution for generating deterministic single photons compatible with existing fiber optic infrastructure. Emission in the low loss C band minimizes transmission losses, making them ide...
Learning Variational Quantum Circuit Parameters with Classical Artificial Intelligence for Quantum Phase Transition Detection
Xin Li, Zhang-Qi Yin·Jun 7, 2025
Learning many-body quantum states and quantum phase transitions remains a major challenge in quantum many-body physics. Classical machine learning methods offer certain advantages in addressing these difficulties. In this work, we propose a novel fra...
Remote entanglement generation via enhanced quantum state transfer
Tian-Le Wang, Peng Wang, Zeyin Zhao +16 more·Jun 7, 2025
Achieving robust and scalable remote quantum entanglement is a fundamental challenge for the development of distributed quantum networks and modular quantum computing systems. Along this, perfect state transfer (PST) and fractional state transfer (FS...