Quantum Brain

Papers

Live trends in quantum computing research, updated daily from arXiv.

Total Papers

27,086

This Month

659

Today

0

Research Volume

12,600 papers in 12 months (-14% vs prior quarter)

Research Focus Areas

Papers by research theme (12 months). Hover for details.

Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

1,703 papers found

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...

Quantum Physics

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: ...

Quantum Physics

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 Physicscs.AREmerging Tech

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...

cs.LGQuantum Physics

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...

Quantum Physics

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...

physics.opticsQuantum Physics

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...

Quantum Physics

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...

Mesoscale Physicsphysics.app-phQuantum Physics

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...

Computer ScienceMathematics

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...

Quantum Physicsphysics.optics

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 ...

Quantum Physics

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...

Quantum Physicscs.DCcs.NIcs.PF

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...

Quantum Physics

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 $...

cs.ITQuantum Physics

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...

Quantum Physics

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 ...

Quantum Physics

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...

Quantum Physics

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...

cond-mat.stat-mechQuantum Physics

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...

Quantum Physicscond-mat.stat-mech

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...

Quantum Physics
Quantum Intelligence

Ask about quantum research, companies, or market developments.