Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Unconditionally teleported quantum gates between remote solid-state qubit registers
Mariagrazia Iuliano, Nicolas Demetriou, H. Benjamin van Ommen +3 more·Jan 8, 2026
Quantum networks connecting quantum processing nodes via photonic links enable distributed and modular quantum computation. In this framework, quantum gates between remote qubits can be realized using quantum teleportation protocols. The essential re...
Phase-Randomized Laser Pulse Generation at 10 GHz for Quantum Photonic Applications
Yuen San Lo, Adam H. Brzosko, Peter R. Smith +7 more·Jan 7, 2026
Gain-switching laser diodes is a well-established technique for generating optical pulses with random phases, where the quantum randomness arises naturally from spontaneous emission. However, the maximum switching rate is limited by phase diffusion: ...
Investigation of Hardware Architecture Effects on Quantum Algorithm Performance: A Comparative Hardware Study
Askar Oralkhan, Temirlan Zhaxalykov·Jan 7, 2026
Cloud-accessible quantum processors enable direct execution of quantum algorithms on heterogeneous hardware platforms. Unlike classical systems, however, identical quantum circuits may exhibit substantially different behavior across devices due to ar...
Quantum vs. Classical Machine Learning: A Benchmark Study for Financial Prediction
Rehan Ahmad, Muhammad Kashif, Nouhaila Innan +1 more·Jan 7, 2026
In this paper, we present a reproducible benchmarking framework that systematically compares QML models with architecture-matched classical counterparts across three financial tasks: (i) directional return prediction on U.S. and Turkish equities, (ii...
Operational modes of a Raman-coupled two-qubit quantum thermal machine
Alonso Alcalá, Charlie Oncebay, Onofre Rojas +1 more·Jan 6, 2026
We investigate a quantum thermal machine composed of two qubits coupled through a Raman-induced exchange interaction and driven by inhomogeneous transition frequencies. The system is analyzed within Carnot, Otto, and Stirling thermodynamic cycles, in...
Mechanisms and Opportunities for Tunable High-Purity Single Photon Emitters: A Review of Hybrid Perovskites and Prospects for Bright Squeezed Vacuum
Galy Yang, Eric Ashallay, Zhiming Wang +2 more·Jan 5, 2026
Single-photon emitters (SPEs) are central to quantum communication, computing, and metrology, yet their development remains constrained by trade-offs in purity, indistinguishability, and tunability. This review presents a mechanism-based classificati...
Adaptive Framework for Failure-Aware Protocols in Fusion-Based Graph-State Generation
Korbinian Staudacher, Bhilahari Jeevanesan, Tobias Guggemos·Jan 5, 2026
We consider the generation of photonic graph states in a linear optics setting where sequential non-deterministic fusion measurements are used to build large graph states out of small linear clusters and develop a framework to optimize the building p...
Two-Qubit Module Based on Phonon-Coupled Ge Hole-Spin Qubits: Design, Fabrication, and Readout at 1-4 K
D. -M. Mei, S. A. Panamaldeniya, K. -M. Dong +2 more·Jan 5, 2026
We present a device-level design for a two-qubit module based on phonon-coupled germanium (Ge) hole-spin qubits operating at $1$-$4~\mathrm{K}$. Building on prior work on phonon-engineered Ge qubits and phononic-crystal (PnC) cavities, we specify a l...
Single- and Multi-Objective Stochastic Optimization for Next-Generation Networks in the Generative AI and Quantum Computing Era
Trinh Van Chien, Bui Trong Duc, Nguyen Xuan Tung +4 more·Jan 5, 2026
Next Generation (NG) networks move beyond simply connecting devices to creating an ecosystem of connected intelligence, especially with the support of generative Artificial Intelligence (AI) and quantum computation. These systems are expected to hand...
Generation of circular polarized high-order harmonics from single color quantum light
Lidija Petrovic, Philipp Stammer, Maciej Lewenstein +1 more·Jan 4, 2026
The atomic response to an ultra-intense driving field produces a characteristic high-harmonic spectrum featuring a rapid drop in intensity for the lower harmonics, followed by a plateau and a sharp cutoff. This response vanishes for circularly polari...
Distant Entanglement Generation between Magnon and Superconducting Qubits in Magnon-Mediated Hybrid Systems
Guosen Liu, Pei Pei·Jan 4, 2026
We propose an efficient two-stage protocol for generating distant entanglement in a magnon-mediated hybrid quantum system, where magnons serve dual roles as both interaction mediators and qubits. This integrated design reduces the physical component ...
Benchmarking Quantum Data Center Architectures: A Performance and Scalability Perspective
Shahrooz Pouryousef, Eneet Kaur, Hassan Shapourian +3 more·Jan 4, 2026
Scalable distributed quantum computing (DQC) has motivated the design of multiple quantum data-center (QDC) architectures that overcome the limitations of single quantum processors through modular interconnection. While these architectures adopt fund...
Thermodynamic analysis of autonomous quantum systems
Tiago F. F. Santos, Camille Latune·Jan 3, 2026
Traditional quantum thermodynamic frameworks associate work to energy exchanges induced by unitary transformations generated by external controls, and heat to energy exchanges induced by bath interaction. Recently, a framework was introduced aiming a...
Single-Shot and Few-Shot Decoding via Stabilizer Redundancy in Bivariate Bicycle Codes
Mohammad Rowshan·Jan 3, 2026
Bivariate bicycle (BB) codes are a prominent class of quantum LDPC codes constructed from group algebras. While the logical dimension and quantum distance of \emph{coprime} BB codes are known to be determined by a greatest common divisor polynomial $...
Minimal length: A source of quantum non-locality
H. Moradpour, S. Jalalzadeh·Jan 3, 2026
The narrow and subtle difference between the Hilbert spaces of operators corresponding to the purely quantum mechanical momentum and the generalized momentum that includes minimal length effects is polished. Additionally, the existence of complex num...
Four-Photon Interference with a High-Efficiency Quantum Dot Source
Alistair J. Brash, Luke Brunswick, Mark R. Hogg +6 more·Jan 2, 2026
While two-photon Hong-Ou-Mandel interference visibility has become a standard metric for single-photon sources, many optical quantum technologies require the generation and manipulation of larger photonic states. To date, efficiency limitations have ...
Photonic Reservoir Engineering via 2D $Λ$-Type Atomic Arrays in Waveguide QED
Thi Phuong Anh Nguyen, Le Phuong Hoang, Xuan Binh Cao·Jan 2, 2026
Electromagnetically induced transparency (EIT) in $Λ$-type atomic systems underpins quantum technologies such as high-fidelity memory and nonlinear optics, but conventional setups face intrinsic limitations. Standard geometries of one-dimensional ato...
Randomization Times under Quantum Chaotic Hamiltonian Evolution
Souradeep Ghosh, Nicholas Hunter-Jones, Joaquin F. Rodriguez-Nieva·Dec 31, 2025
Randomness generation through quantum-chaotic evolution underpins foundational questions in statistical mechanics and applications across quantum information science, including benchmarking, tomography, metrology, and demonstrations of quantum comput...
Spectroscopy of Quantum Phase Slips: Visualizing Complex Real-Time Instantons
Foster Thompson, Daniel K. J. Boneß, Mark Dykman +1 more·Dec 30, 2025
Parametrically driven oscillators can emerge as a basis for the next generation of qubits. Classically, these systems exhibit two stable oscillatory states with opposite phases. Upon quantization, these states turn into a pair of closely spaced Floqu...
Three-Axis Spin Squeezed States Associated with Excited-State Quantum Phase Transitions
Chon-Fai Kam·Dec 30, 2025
Spin squeezing in collective atomic ensembles enables quantum-enhanced metrology by reducing noise below the standard quantum limit through nonlinear interactions. Extending the one-axis and two-axis twisting paradigms of Kitagawa and Ueda, we introd...