Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Topology-Guided Quantum GANs for Constrained Graph Generation
Tobias Rohe, Markus Baumann, Michael Poppel +3 more·Dec 11, 2025
Quantum computing (QC) promises theoretical advantages, benefiting computational problems that would not be efficiently classically simulatable. However, much of this theoretical speedup depends on the quantum circuit design solving the problem. We a...
On Simplest Kochen-Specker Sets
Mladen Pavicic·Dec 11, 2025
In Phys. Rev. Lett. 135, 190203 (2025) a discovery of the simplest 3D contextual set with 33 vertices, 50 bases, and 14 complete bases is claimed. In this paper, we show that it was previously generated in Quantum 7, 953 (2023) and analyze the meanin...
Loophole-free Bell-inequality violation between atomic states in cavity-QED systems mediated by hybrid atom-light entanglement
Pei-Zhe Li, Soumyakanti Bose, Hyunseok Jeong +3 more·Dec 11, 2025
We present a feasible and scalable approach to testing Bell nonlocality and implementing device-independent quantum key distribution (DI-QKD) between distant atomic states in cavity-based architectures, mediated by hybrid atom-light entanglement. We ...
Generation of mechanical cat-like states via optomagnomechanics
Hao-Tian Li, Hong-Bin Wang, Zi-Xu Lu +1 more·Dec 11, 2025
We propose an optomagnomechanical approach for preparing a cat-like superposition state of mechanical motion. Our protocol consists of two steps and is based on the magnomechanical system where the magnetostrictively induced displacement further coup...
Optomagnonic generation of entangled travelling fields with different polarizations
Zi-Xu Lu, Huai-Bing Zhu, Xuan Zuo +1 more·Dec 11, 2025
The optomagnonic coupling between magnons and optical photons is an essential component for building remote quantum networks based on magnonics. Here we show that such a coupling, manifested as the magnon-induced Brillouin light scattering, can be ex...
Integrated Generation and Purification of Entangled Coherent States for Non-Gaussian Teleportation
Ananga Mohan Datta, William J. Munro, Nicolo Lo Piparo +1 more·Dec 11, 2025
Entangled coherent states (ECS) provide a powerful non-Gaussian resource for continuous-variable quantum communication, but their generation in scalable architectures remains challenging. We propose an integrated photonic scheme that creates high-fid...
Simultaneous Classical and Quantum Communications: Recent Progress and Three Challenges
Phuc V. Trinh, Shinya Sugiura, Carlo Ottaviani +2 more·Dec 11, 2025
A critical aspect of next-generation wireless networks is the integration of quantum communications to guard against quantum computing threats to classical networks. Despite successful experimental demonstrations, integrating quantum communications i...
True Random Number Generators on IQM Spark
Andrzej Gnatowski, Jarosław Rudy, Teodor Niżyński +1 more·Dec 10, 2025
Random number generation is fundamental for many modern applications including cryptography, simulations and machine learning. Traditional pseudo-random numbers may offer statistical unpredictability, but are ultimately deterministic. On the other ha...
Pinball: A Cryogenic Predecoder for Surface Code Decoding Under Circuit-Level Noise
Alexander Knapen, Guanchen Tao, Jacob Mack +5 more·Dec 10, 2025
Scaling fault tolerant quantum computers, especially cryogenic systems based on the surface code, to millions of qubits is challenging due to poorly-scaling data processing and power consumption overheads. One key hurdle is the design of real-time qu...
Quantum random number generation from the continuous variable payload for the SPOQC mission
Vinod N. Rao, Killian Murphy, Fadi Ahwal +3 more·Dec 10, 2025
The necessity of random numbers for various tasks, from simulation to cryptography, is crucial and immense. Here we demonstrate CV-QRNG using the CV payload of the SPOQC mission. The homodyne setup for QRNG uses the laser from the payload, in additio...
Device Independent Quantum Secret Sharing Using Multiparty Pseudo-telepathy Game
Santanu Majhi, Goutam Paul·Dec 10, 2025
Device-independent quantum secret sharing (DI-QSS) provides security against untrusted quantum devices. While device-independent quantum key distribution (DI-QKD) using Mermin-Peres magic square game [Zhen et al., Phys. Rev. Lett, 2023] has been prop...
Optyx: A ZX-based Python library for networked quantum architectures
Mateusz Kupper, Richie Yeung, Boldizsár Poór +3 more·Dec 10, 2025
Distributed, large-scale quantum computing will need architectures that combine matter-based qubits with photonic links, but today's software stacks target either gate-based chips or linear-optical devices in isolation. We introduce Optyx, an open-so...
Graph-Based Bayesian Optimization for Quantum Circuit Architecture Search with Uncertainty Calibrated Surrogates
Prashant Kumar Choudhary, Nouhaila Innan, Muhammad Shafique +1 more·Dec 10, 2025
Quantum circuit design is a key bottleneck for practical quantum machine learning on complex, real-world data. We present an automated framework that discovers and refines variational quantum circuits (VQCs) using graph-based Bayesian optimization wi...
High-resolution broadband characterization of resonance dispersion in an optical microresonator
Romain Dalidet, Adrien Bensemhoun, Gregory Sauder +12 more·Dec 10, 2025
Accurate knowledge of the uneven free spectral range of an optical microresonator, which provides direct insight into group velocity dispersion, is essential for understanding and controlling Kerr frequency comb dynamics. In this work, we present a s...
Autonomous multi-ion optical clock with on-chip integrated photonic light delivery
Tharon D. Morrison, Joonhyuk Kwon, Matthew A. Delaney +4 more·Dec 9, 2025
Integrated photonics in trapped-ion systems are critical for the realization of applications such as portable optical atomic clocks and scalable quantum computers. However, system-level integration of all required functionalities remains a key challe...
Deterministic randomness extraction for quantum random number generation with partial trust
Pablo Tikas Pueyo, Tomás Fernández Martos, Gabriel Senno·Dec 9, 2025
It is a well-known fact in classical information theory that no deterministic procedure can extract close-to-ideal randomness from an arbitrary entropy source. On the other hand, if additional knowledge about the source is available -- e.g., that it ...
Perfect continuous-variable quantum microcombs
Kangkang Li, Yue Wang, Ze Wang +7 more·Dec 9, 2025
Quantum microcombs generated in high-Q microresonators provide compact, multiplexed sources of entangled modes for continuous-variable (CV) quantum information processing. While deterministic generation of CV states via Kerr-induced two-mode squeezin...
Biothreat Benchmark Generation Framework for Evaluating Frontier AI Models III: Implementing the Bacterial Biothreat Benchmark (B3) Dataset
Gary Ackerman, Theodore Wilson, Zachary Kallenborn +7 more·Dec 9, 2025
The potential for rapidly-evolving frontier artificial intelligence (AI) models, especially large language models (LLMs), to facilitate bioterrorism or access to biological weapons has generated significant policy, academic, and public concern. Both ...
Heralded generation of a three-mode NOON state
Sukhjit P. Singh, Elnaz Bazzazi, Diego N. Bernal-García +8 more·Dec 9, 2025
Entangled states of photons form the foundation of quantum communication, computation, and metrology. Yet their generation remains fundamentally constrained: in the absence of intrinsic photon-photon interactions, the generation of such states is inh...
Biothreat Benchmark Generation Framework for Evaluating Frontier AI Models II: Benchmark Generation Process
Gary Ackerman, Zachary Kallenborn, Anna Wetzel +7 more·Dec 9, 2025
The potential for rapidly-evolving frontier artificial intelligence (AI) models, especially large language models (LLMs), to facilitate bioterrorism or access to biological weapons has generated significant policy, academic, and public concern. Both ...