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 of high-OAM ultraviolet twisted light for RF-photoinjector applications
A. S. Dyatlov, D. M. Dolgintsev, V. V. Gerasimov +7 more·Dec 9, 2025
The generation of relativistic vortex electron beams via photoemission requires ultraviolet laser beams with well-controlled orbital angular momentum (OAM) and compatibility with radio-frequency (RF) photoinjector drive-laser systems. High-OAM vortex...
Deterministic Quantum Communication Between Fixed-Frequency Superconducting Qubits via Broadband Resonators
Takeaki Miyamura, Zhiling Wang, Kohei Matsuura +5 more·Dec 9, 2025
Quantum communication between remote chips is essential for realizing large-scale superconducting quantum computers. For such communication, itinerant microwave photons propagating through transmission lines offer a promising approach. However, demon...
Direct Generation of an Array with 78400 Optical Tweezers Using a Single Metasurface
Yuqing Wang, Yuxuan Liao, Tao Zhang +9 more·Dec 9, 2025
Scalability remains a major challenge in building practical fault-tolerant quantum computers. Currently, the largest number of qubits achieved across leading quantum platforms ranges from hundreds to thousands. In atom arrays, scalability is primaril...
Moire-Engineered Ferroelectric Transistors for Nearly Trap-free, Low-Power and Non-Volatile 2D Electronics
Arup Singha, Shaili Sett, Kenji Watanabe +3 more·Dec 8, 2025
Long-range moire patterns in twisted WSe2 enable a built-in, moire-length-scale ferroelectric polarization that can be directly harnessed in electronic devices. Such a built-in ferroic landscape offers a compelling means to enable ultralow-voltage an...
Coherent and compact van der Waals transmon qubits
Jesse Balgley, Jinho Park, Xuanjing Chu +9 more·Dec 8, 2025
State-of-the-art superconducting qubits rely on a limited set of thin-film materials. Expanding their materials palette can improve performance, extend operating regimes, and introduce new functionalities, but conventional thin-film fabrication hinde...
F2: Offline Reinforcement Learning for Hamiltonian Simulation via Free-Fermionic Subroutine Compilation
Ethan Decker, Christopher Watson, Junyu Zhou +5 more·Dec 8, 2025
Compiling shallow and accurate quantum circuits for Hamiltonian simulation remains challenging due to hardware constraints and the combinatorial complexity of minimizing gate count and circuit depth. Existing optimization method pipelines rely on han...
RuleSet Generation Framework for Application Layer Integration in Quantum Internet
Rei Kawano, Shin Nishio, Hideaki Kawaguchi +2 more·Dec 8, 2025
Layered architectures for the Quantum Internet have been proposed, inspired by that of the classical Internet, which has demonstrated high maintainability even in large-scale systems. While lower layers in the Quantum Internet, such as entanglement g...
33 Gbit/s source-device-independent quantum random number generator based on heterodyne detection with real-time FPGA-integrated extraction
Marius Cizauskas, Hamid Tebyanian, Mark Fox +3 more·Dec 8, 2025
We present a high-speed continuous-variable quantum random number generator (QRNG) based on heterodyne detection of vacuum fluctuations. The scheme follows a source-device-independent (SDI) security model in which the entropy originates from quantum ...
Enhancing ground-state interaction strength of neutral atoms via Floquet stroboscopic dynamics
Y. Wei, M. Artoni, G. C. La Rocca +2 more·Dec 7, 2025
Neutral atom systems are promising platforms for quantum simulation and computation, owing to their long coherence times. However, their intrinsically weak ground-state interactions pose a major limitation to the advancement of scalable quantum simul...
High-harmonic generation driven by temporal-mode quantum states of light
Juan M. González-Monge, Johannes Feist·Dec 7, 2025
We develop a theoretical framework for high-harmonic generation (HHG) driven by quantum states of light based on a temporal-mode expansion of the electromagnetic field. This approach extends previous single plane-wave mode treatments to realistic pul...
Mitigating the Transition of SiV$^-$ in Diamond to an Optically Dark State
Manuel Rieger, Rubek Poudel, Tobias Waldmann +7 more·Dec 6, 2025
Negatively charged silicon vacancy centers in diamond (SiV$^-$) are promising for quantum photonic technologies. However, when subject to resonant optical excitation, they can inadvertently transfer into a zero-spin optically dark state. We show that...
Anubuddhi: A Multi-Agent AI System for Designing and Simulating Quantum Optics Experiments
S. K. Rithvik·Dec 6, 2025
We present Anubuddhi, a multi-agent AI system that designs and simulates quantum optics experiments from natural language prompts without requiring specialized programming knowledge. The system composes optical layouts by arranging components from a ...
Deterministic and Universal Frequency-Bin Gate for High-Dimensional Quantum Technologies
Xin Chen·Dec 5, 2025
High-dimensional photonic systems access large Hilbert spaces for quantum information processing. They offer proven advantages in quantum computation, communication, and sensing. However, implementing scalable, low-loss unitary gates across many mode...
Collective three-body interactions enable a robust quantum speedup
Haoqing Zhang, Anjun Chu, Chengyi Luo +4 more·Dec 5, 2025
We show that collective three-body interactions (3BIs), implementable with $N$ atoms loaded inside an optical cavity, offer a significant advantage for preparing complex multipartite entangled states. Firstly, they enable a speedup of order $\sim N$ ...
Randomness quantification in spontaneous emission
Chenxu Li, Shengfan Liu, Xiongfeng Ma·Dec 5, 2025
Quantum coherence serves as a fundamental resource for generating intrinsic randomness, yet the quantification of randomness in quantum random number generators (QRNGs) based on spontaneous emission has remained largely phenomenological. Existing ran...
Quenching dynamics of vortex in spin-orbit coupled Bose-Einstein condensates
Juan Wang, Zhenze Fan, Yan Li·Dec 5, 2025
We investigate the ground states and rich dynamics of vortices in spin-orbit coupled Bose-Einstein condensates (BEC) subject to position-dependent detuning. Such a detuning plays the role of an effective rotational frequency, causing the generation o...
Squeezing Classical Antiferromagnets into Quantum Spin Liquids via Global Cavity Fluctuations
Charlie-Ray Mann, Mark A. Oehlgrien, Błażej Jaworowski +4 more·Dec 5, 2025
Cavity quantum electrodynamics with atomic ensembles is typically associated with collective spin phenomena, such as superradiance and spin squeezing, in which the atoms evolve collectively as a macroscopic spin ($S\sim N/2$) on the Bloch sphere. Sur...
Pump Free Microwave-Optical Quantum Transduction
Fangxin Li, Jaesung Heo, Zhaoyou Wang +3 more·Dec 4, 2025
Distributed quantum computing involves superconducting computation nodes operating at microwave frequencies, which are connected by long-distance transmission lines that transmit photons at optical frequencies. Quantum transduction, which coherently ...
Operator Formalism for Laser-Plasma Wakefield Acceleration
Mostafa Behtouei, Carlos Salgado Lopez, Giancarlo Gatti·Dec 4, 2025
In this paper, we develop an operator-based framework for laser--plasma wakefield acceleration (LPWA) in capillary discharges, providing a compact and systematic description of the coupled dynamics of laser fields and plasma response. The formalism e...
Watt-level coherent microwave emission from dissipation engineered solid-state quantum batteries
Yuanjin Wang, Hao Wu, Mark Oxborrow +1 more·Dec 4, 2025
Recently proposed metastability-induced quantum batteries have shown particular promise for coherent microwave generation. However, achieving high-power coherent microwave generation in quantum batteries remains fundamentally challenging due to quant...