Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Generation and Detection of Hyperentangled Bell States at an Ultra-High Flux
Netanel P. Yaish, Samata Gokhale, Avi Peer·Oct 26, 2025
We demonstrate both the generation and detection of an ultra-high flux of polarization Bell states using broadband hyper-entangled bi-photons that are quantum-correlated in both polarization and time-energy. Bell states of polarization embody the mos...
Enabling Shortwave-QKD in Short-Reach Networks: Impact of a Composite ODN Native to Telecom Applications
Mariana F. Ramos, Costin Luchian, Michael Hentschel +4 more·Oct 26, 2025
We deploy shortwave-QKD over short-reach in-house/datacom architectures and show that few-mode propagation and speckle-selective loss severely impact the QKD performance. We accomplish 12 kb/s secure-key generation in presence of 50 co-existing data ...
Quantum Mechanics of Stochastic Systems
Yurang, Kuang·Oct 25, 2025
We develop a fundamental framework for the quantum mechanics of stochastic systems (QMSS), showing that classical discrete stochastic processes emerge naturally as perturbations of the quantum harmonic oscillator (QHO). By constructing exact perturba...
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...
HPC-Driven Modeling with ML-Based Surrogates for Magnon-Photon Dynamics in Hybrid Quantum Systems
Jialin Song, Yingheng Tang, Pu Ren +8 more·Oct 25, 2025
Simulating hybrid magnonic quantum systems remains a challenge due to the large disparity between the timescales of the two systems. We present a massively parallel GPU-based simulation framework that enables fully coupled, large-scale modeling of on...
Emergent spatiotemporal order and nonreciprocity in driven-dissipative nonlinear magnetic systems
Vincent Flynn, Benedetta Flebus·Oct 24, 2025
The identification of platforms with independently tunable nonlinearity and non-Hermiticity promises a quantitative route to far-from-equilibrium universality across many-body systems. Here we show that a conventional ferromagnetic multilayer realize...
Energy storage in a continuous-variable quantum battery with nonlinear coupling
C. A. Downing, M. S. Ukhtary·Oct 24, 2025
In the quantum world, the process of energy storage can be enhanced thanks to various nonclassical phenomena. This inspiring fact suggests quantum batteries as plausible sources of power for future quantum devices, at least in principle. However, the...
Certifying Randomness or its Lack Thereof for General Network Scenarios
Maria Ciudad Alañón, Daniel Centeno, Andrew Watford +1 more·Oct 23, 2025
The certification of intrinsic randomness is foundational to quantum information theory and central in many practical applications thereof, such as in the generation of unquestionably random numbers and in cryptographic protocols. Device-independent ...
Gravitationally mediated entanglement of fermionic qubits: from static to dynamical limits
Moslem Zarei, Mehdi Abdi, Nicola Bartolo +1 more·Oct 23, 2025
We employ the quantum Boltzmann equation to analyze the gravitationally generated entanglement between two remote qubits by considering two explicit microscopic models. A graviton propagator is employed as the mediator of the interactions, while the ...
Multiplexed ion-ion entanglement over $1.2$ kilometer fibers
Z. B. Cui, Z. Q. Wang, P. Y. Liu +14 more·Oct 23, 2025
Quantum networks and quantum repeaters represent the promising avenues for building large-scale quantum information systems, serving as foundational infrastructure for distributed quantum computing, long-distance quantum communication, and networked ...
Self-Configuring Quantum Networks with Superposition of Trajectories
Albie Chan, Zheng Shi, Jorge Miguel-Ramiro +3 more·Oct 21, 2025
Quantum networks are a backbone of future quantum technologies thanks to their role in communication and scalable quantum computing. However, their performance is challenged by noise and decoherence. We propose a self-configuring approach that integr...
Colloquium: Quantum optics of intense light--matter interaction
P. Stammer, J. Rivera-Dean, P. Tzallas +2 more·Oct 21, 2025
Intense light-matter interaction largely relies on the use of high-power light sources, creating fields comparable to, or even stronger than, the field keeping the electrons bound in atoms. Under such conditions, the interaction induces highly nonlin...
Surface code scaling on heavy-hex superconducting quantum processors
Arian Vezvaee, Cesar Benito, Mario Morford-Oberst +2 more·Oct 21, 2025
Demonstrating subthreshold scaling of a surface-code quantum memory on hardware whose native connectivity does not match the code remains a central challenge. We address this on IBM heavy-hex superconducting processors by co-designing the code embedd...
Source-device-independent monolithically integrated QRNG in a black box with generation rate in excess of 30 Gbit/s
Peter Seigo Kincaid, Lorenzo De Marinis, Francesco Testa +2 more·Oct 21, 2025
Quantum mechanics provides a secure means of generating random numbers, with applications in fields spanning scientific simulation to cryptography. The first source-device-independent monolithically integrated quantum random number generator is repor...
Resource efficient certification of system environment entanglement solely from reduced system dynamics
Jhen-Dong Lin, Pao-Wen Tu, Kuan-Yi Lee +4 more·Oct 20, 2025
Certifying nonclassical correlations typically requires access to all subsystems, presenting a major challenge in open quantum systems coupled to inaccessible environments. Recent works have shown that, in autonomous pure dephasing scenarios, quantum...
Quantum Synthetic Data Generation for Industrial Bioprocess Monitoring
Shawn M. Gibford, Mohammad Reza Boskabadi, Christopher J Savoie +1 more·Oct 20, 2025
Data scarcity and sparsity in bio-manufacturing poses challenges for accurate model development, process monitoring, and optimization. We aim to replicate and capture the complex dynamics of industrial bioprocesses by proposing the use of a Quantum W...
Successive generation of nontrivial Riemann zeros from a Wu-Sprung type potential
Peter Jaksch·Oct 19, 2025
A series of numerical experiments are performed, where a symmetric potential is generated for the 1D time-independent Schrödinger equation, with an eigenspectrum that matches the imaginary part of the first nontrivial zeros of the Riemann Zeta Functi...
QuanBench: Benchmarking Quantum Code Generation with Large Language Models
Xiaoyu Guo, Minggu Wang, Jianjun Zhao·Oct 19, 2025
Large language models (LLMs) have demonstrated good performance in general code generation; however, their capabilities in quantum code generation remain insufficiently studied. This paper presents QuanBench, a benchmark for evaluating LLMs on quantu...
Strong-field Driven Sub-cycle Band Structure Modulation and Dephasing Control
Francis Walz, Shashank Kumar, Amirali Sharifi Olounabadi +6 more·Oct 18, 2025
Over the past decade, ultrafast electron dynamics in the solid state have been extensively studied using various strong light-matter interaction techniques, such as high-harmonic generation. These studies lead to multiple interpretations of light-mat...