Papers
Sub-Poissonian Statistics and Quantum Non-Gaussianity from High-Harmonic Generation
David Theidel, Mackrine Nahra, Ilya Karuseichyk +3 more·Feb 11, 2026
Quantum technologies are powered by platforms to generate complex non-classical states of matter or light to realize applications. We investigate the non-classical properties of high-harmonic generation in semiconductors, an emerging photonic platfor...
Dimensional advantage in network cooling with hybrid oscillator-qudit systems
Mrinmoy Samanta, Debkanta Ghosh, Rivu Gupta +1 more·Feb 11, 2026
We examine the cooling of networks of oscillators through repeated unitary evolution followed by conditional measurement on a finite-dimensional auxiliary system, coupled via Jaynes-Cummings type interaction. We prove that near-perfect cooling of the...
QSolver: A Quantum Constraint Solver
Shangzhou Xia, Haitao Fu, Jianjun Zhao·Feb 10, 2026
With the growing interest in quantum programs, ensuring their correctness is a fundamental challenge. Although constraint-solving techniques can overcome some limitations of traditional testing and verification, they have not yet been sufficiently ex...
Gravitationally-induced Conversion of Local Coherence to Entanglement
Hazhir Dolatkhah, Shahriar Salimi, Soroush Haseli·Feb 10, 2026
In recent years, the quantum nature of gravity has attracted significant attention as one of the most important problems in modern physics. Here, we analyze the mechanism of gravitationally-induced entanglement from the perspective of quantum resourc...
Entanglement suppression for $ΩΩ$ scattering
Katsuyoshi Sone, Tao-Ran Hu, Feng-Kun Guo +2 more·Feb 10, 2026
We study entanglement suppression in $s$-wave $ΩΩ$ scattering, where each baryon has spin $3/2$. By treating the $S$-matrix as a quantum operator acting on the spin states, we quantify its ability to generate entanglement and identify the conditions ...
Rigorous no-go theorems for heralded linear-optical state generation tasks
Deepesh Singh, Ryan J. Marshman, Luis Villegas-Aguilar +2 more·Feb 10, 2026
A major challenge in photonic quantum technologies is developing strategies to prepare suitable discrete-variable quantum states using simple input states, linear optics, and auxiliary photon measurements to identify successful outcomes. Fundamentall...
Spin-entanglement of an atomic pair through coupling to their thermal motion
Poramaporn Ruksasakchai, Lucile Sanchez, Marvin Weyland +3 more·Feb 10, 2026
The spin-dynamics of two alkali atoms in an optical tweezer is driven by spin-changing collisions that couple the spin-state of the atoms to their relative motion. This paper experimentally studies the resulting spin-states when the relative motion i...
Quantum-Inspired Self-Attention in a Large Language Model
Nikita Kuznetsov, Niyaz Ismagilov, Ernesto Campos·Feb 9, 2026
Recent advances in Natural Language Processing have been predominantly driven by transformer-based architectures, which rely heavily on self-attention mechanisms to model relationships between tokens in a sequence. Similarly, the field of Quantum Nat...
Multiplexed microwave resonators by frequency comb spectroscopy
Angelo Greco, Jukka-Pekka Kaikkonen, Luca Chirolli +4 more·Feb 9, 2026
Coplanar waveguide resonators are central to the thriving field of circuit quantum electrodynamics. Recently, we have demonstrated the generation of a broadband microwave-frequency comb spectrum using a superconducting quantum interference device (SQ...
High-brightness fiber-based Sagnac source of entangled photon pairs for multiplexed quantum networks
Tess Troisi, Yoann Pelet, Romain Dalidet +4 more·Feb 9, 2026
A fully fibered source of entangled photon pairs based on a nonlinear Sagnac interferometer is reported. Operating at telecom wavelengths, the source relies exclusively on standard fiber-optic components and periodically poled lithium niobate (PPLN) ...
Intelligent Control of Collisional Architectures for Deterministic Multipartite State Engineering
Duc-Kha Vu, Minh Tam Nguyen, Özgür E. Müstecaplıoğlu +1 more·Feb 9, 2026
Designing scalable, noise-tolerant control protocols for multipartite entanglement is a central challenge for quantum technologies, and it naturally calls for \emph{algorithmic} synthesis of interaction parameters rather than handcrafted gate sequenc...
Preparing squeezed, cat and GKP states with parity measurements
Zhiyuan Lin, Sen Li, Jingyan Feng +3 more·Feb 9, 2026
Bosonic modes constitute a central resource in a wide range of quantum technologies, providing long-lived degrees of freedom for the storage, processing, and transduction of quantum information. Such modes naturally arise in platforms including circu...
Quantum Estimation of Delay Tail Probabilities in Scheduling and Load Balancing
R. Srikant·Feb 8, 2026
Estimating delay tail probabilities in scheduling and load balancing systems is a critical but computationally prohibitive task due to the rarity of violation events. Quantum Amplitude Estimation (QAE) offers a generic quadratic reduction in sample c...
An efficient method for spot-checking quantum properties with sequential trials
Yanbao Zhang, Akshay Seshadri, Emanuel Knill·Feb 8, 2026
In practical situations, the reliability of quantum resources can be compromised due to complex generation processes or adversarial manipulations during transmission. Consequently, the trials generated sequentially in an experiment may exhibit non-in...
Quantum Steering and Entanglement in a Tritter: Hierarchy under Loss
Jifeng Sun, Shumin Yang, Teng Zhao +2 more·Feb 8, 2026
Multipartite entangled states of continuous variables are fundamental resources for scalable quantum information processing. We study the correlation hierarchy in a tripartite state engineered by mixing a two-mode squeezed vacuum with a coherent stat...
HoloGraph: All-Optical Graph Learning via Light Diffraction
Yingjie Li, Shanglin Zhou, Caiwen Ding +1 more·Feb 7, 2026
As a representative of next-generation device/circuit technology beyond CMOS, physics-based neural networks such as Diffractive Optical Neural Networks (DONNs) have demonstrated promising advantages in computational speed and energy efficiency. Howev...
Open TutorAI: An Open-source Platform for Personalized and Immersive Learning with Generative AI
Mohamed El Hajji, Tarek Ait Baha, Aicha Dakir +2 more·Feb 6, 2026
Recent advances in artificial intelligence have created new possibilities for making education more scalable, adaptive, and learner-centered. However, existing educational chatbot systems often lack contextual adaptability, real-time responsiveness, ...
Extensible universal photonic quantum computing with nonlinearity
Shang Yu, Jinzhao Sun, Kuan-Cheng Chen +17 more·Feb 6, 2026
Universal quantum computing requires an architecture that supports both linear circuits and, crucially, strong nonlinear resources. For quantum photonic systems, integrating such nonlinearities with scalable linear circuitry has been a major bottlene...
Semi-Device-Independent Quantum Random Number Generator Resistant to General Attacks
Zhenguo Lu, Jundong Wu, Yu Zhang +4 more·Feb 6, 2026
Quantum random number generators (QRNGs) produce true random numbers based on the inherent randomness of quantum theory, rendering them a foundational segment of quantum cryptography. Distinguished from trusted-device QRNGs whose security depends on ...
Quantum simulation of the Dicke model in a two-dimensional ion crystal: chaos, quantum thermalization, and revivals
Bryce Bullock, Sean R. Muleady, Jennifer F. Lilieholm +6 more·Feb 5, 2026
Quantum many-body systems driven far from equilibrium can exhibit chaos, entanglement, and non-classical correlations, yet directly observing these phenomena in large, closed quantum systems remains challenging. Here we realize the Dicke model -- a f...