Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Harnessing subspace controllability: Dynamical generation of Dicke states in Heisenberg-coupled qubit arrays with a single local control
Vladimir M. Stojanovic, Tommaso Calarco, Andrea Muratori·Dec 30, 2025
We explore the feasibility of realizing Dicke states in qubit arrays with always-on isotropic Heisenberg coupling between adjacent qubits, assuming a single Zeeman-type control acting in the $z$ direction on an actuator qubit. The Lie-algebraic crite...
Gravitationally Induced Entanglement Between Particles in Harmonic Traps: Limits for Gaussian States
Julia Tokarska, Andrzej Dragan·Dec 30, 2025
Gravitationally induced entanglement has been proposed as a probe of the quantum nature of gravity. This work analyzes a system of two particles in harmonic traps interacting only through gravity, considering thermal and two-mode squeezed initial sta...
Path Integral Solution for Dissipative Generative Dynamics
Xidi Wang·Dec 30, 2025
Can purely mechanical systems generate intelligent language? We prove that dissipative quantum dynamics with analytically tractable non-local context aggregation produce coherent text generation, while conservation laws cause fundamental failure. Emp...
MultiAtomLiouvilleEquationGenerator: A Mathematica package for Liouville superoperators and master equations of multilevel atomic systems
Pablo Yanes-Thomas, Rocío Jáuregui-Renaud, Santiago F. Caballero-Benítez +2 more·Dec 29, 2025
MulAtoLEG (Multi-Atom Liouville Equation Generator) is an open-source Mathematica package for generating Liouville superoperators and Liouville equations, specialized for multilevel atomic systems comprising an arbitrary number of atoms. This scheme ...
Generation of Squeezed Fock States by Particle-Number Measurements on Multimode Gaussian States
S. B. Korolev, A. A. Silin·Dec 29, 2025
We investigate the generation of squeezed Fock states (SFSs) via particle-number measurements in the modes of multimode Gaussian states. We identify a universal class of $N$-mode Gaussian states for which measuring $N-1$ modes results in the generati...
Emergence of nonclassical radiation in strongly laser-driven quantum systems
Ivan Gonoskov, Christian Hünecke, Stefanie Gräfe·Dec 29, 2025
Nonclassical light sources are central to emerging quantum technologies, yet current platforms offer limited tunability and typically operate at low photon numbers. In parallel, strong-field physics provides widely tunable, bright coherent radiation ...
Theoretical Analysis and Simulations of Memory-based and All-photonic Quantum Repeaters and Networks
Chuen Hei Chan, Charu Jain, Ezra Kissel +4 more·Dec 28, 2025
Developing and deploying advanced Quantum Repeater (QR) technologies will be necessary to scale quantum networks to longer distances. Depending on the error mitigation mechanisms adopted to suppress loss and errors, QRs are typically classified into ...
Efficient population transfer in a quantum dot exciton under phonon-induced decoherence via shortcuts to adiabaticity
Spyridon G. Kosionis, Sutirtha Biswas, Christina Fouseki +2 more·Dec 28, 2025
In the present study, we apply shortcut to adiabaticity pulses (time-dependent Rabi frequency and detuning) for the efficient population transfer from the ground to the exciton state in a GaAs/InGaAs quantum dot with phonon-induced dephasing. We use ...
Double-Layered Silica-Engineered Fluorescent Nanodiamonds for Catalytic Generation and Quantum Sensing of Active Radicals
Jia Su, Zenghao Kong, Fei Kong +9 more·Dec 26, 2025
Fluorescent nanodiamonds (FNDs) hosting nitrogen-vacancy (NV) centers have attracted considerable attention for quantum sensing applications, particularly owing to notable advancements achieved in the field of weak magnetic signal detection in recent...
Hybrid Quantum Repeater Chains with Atom-based Quantum Processing Units and Quantum Memory Multiplexers
Shin Sun, Daniel Bhatti, Shaobo Gao +2 more·Dec 25, 2025
Quantum repeaters enable the generation of reliable entanglement across long distances despite the underlying channel noise. Nevertheless, realizing quantum repeaters poses a difficult engineering challenge due to various device constraints and desig...
Waveguide-array-based multiplexed photonic interface for atom array
Yuya Maeda, Toshiki Kobayashi, Takuma Ueno +12 more·Dec 25, 2025
The growing demand for high-capacity quantum communication and large-scale quantum computing underscores the importance of networking quantum processing units via multiplexed photonic channels. A neutral atom array with multiplexed atom-photon entang...
Photoexcitation of moiré-trapped interlayer excitons via chiral phonons
A. Borel, T. V. Ivanova, J. Cervantes-Villanueva +7 more·Dec 24, 2025
Moiré superlattices in transition-metal dichalcogenide semiconductor heterobilayers enable the quantum confinement of interlayer excitons with large out-of-plane permanent electric dipoles and spin-valley control. Here, we report a novel phonon-assis...
Precise quantum control of unidirectional field-free molecular orientation
Qian-Qian Hong, Zhe-Jun Zhang, Chuan-Cun Shu +3 more·Dec 24, 2025
The capability to control molecular rotation for field-free orientation, which arranges molecules in specific spatial directions without external fields, is crucial in physics, chemistry, and quantum information science. However, conventional methods...
Heralded Linear Optical Generation of Dicke States
Minhyeok Kang, Jaehee Kim, William J. Munro +2 more·Dec 24, 2025
Entanglement is a fundamental feature of quantum mechanics and a key resource for quantum information processing. Among multipartite entangled states, Dicke states $|D_n^k\rangle$ are distinguished by their permutation symmetry, which provides robust...
Optical spin tomography in a telecom C-band quantum dot
Junyang Huang, Ginny Shooter, Petros Laccotripes +5 more·Dec 24, 2025
A central challenge for scalable quantum networks is the realization of coherent interfaces between stationary qubits and telecom-band photonic qubits for long-distance entanglement distribution. Semiconductor quantum dots emitting at telecom wavelen...
Towards City-Scale Quantum Timing: Wireless Synchronization via Quantum Hubs
Mohammad Taghi Dabiri, Mazen Hasna, Rula Ammuri +2 more·Dec 23, 2025
This paper presents a novel wireless quantum synchronization framework tailored for city-scale deployment using entangled photon pairs and passive corner cube retroreflector (CCR) arrays. A centralized quantum hub emits entangled photons, directing o...
Krylov complexity in ergodically constrained nonintegrable transverse-field Ising model
Gaurav Rudra Malik, Jeet Sharma, Rohit Kumar Shukla +2 more·Dec 23, 2025
The nonintegrable transverse-field Ising model is a common platform for studying ergodic quantum dynamics. In this work, we introduce a simple variant of the model in which this ergodic behaviour is suppressed by introducing a spatial inhomogeneity i...
Quantum Geometric Tensor in the Wild: Resolving Stokes Phenomena via Floquet-Monodromy Spectroscopy
Prasoon Saurabh·Dec 23, 2025
Standard topological invariants, such as the Chern number and Berry phase, form the bedrock of modern quantum matter classification. However, we demonstrate that this framework undergoes a \textbf{catastrophic failure} in the presence of essential si...
Fault Injection Attacks on Machine Learning-based Quantum Computer Readout Error Correction
Anthony Etim, Jakub Szefer·Dec 23, 2025
Machine-learning (ML) classifiers are increasingly used in quantum computing systems to improve multi-qubit readout discrimination and to mitigate correlated readout errors. These ML classifiers are an integral component of today's quantum computer's...
Experimental Efficient Source-Independent Quantum Conference Key Agreement
Wen-Ji Hua, Yi-Ran Xiao, Yu Bao +2 more·Dec 23, 2025
Multipartite entanglement enables secure group key distribution among multiple users while providing immunity against hacking attacks targeting source devices, thereby realizing source-independent quantum conference key agreement (SI-QCKA). However, ...