Quantum Brain

Papers

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

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12,599 papers in 12 months (-14% vs prior quarter)

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Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

1,703 papers found

Gate-Based Microwave Quantum Repeater Via Grid-State Encoding

Hany Khalifa, Matti Silveri·Dec 22, 2025

In autonomous quantum error correction the lifetime of a logical bosonic qubit can be extended beyond its physical constituents without feedback measurements. Leveraging autonomous error correction, we propose a second-generation gate-based microwave...

Quantum Physics

The EU Quantum Flagship's Key Performance Indicators for Quantum Computing

Zoltán Zimborás, Attila Portik, David Aguirre +10 more·Dec 22, 2025

As quantum processors continue to scale in size and complexity, the need for well-defined, reproducible, and technology-agnostic performance metrics becomes increasingly critical. Here we present a suite of scalable quantum computing benchmarks devel...

Quantum Physics

Talking with a ghost: semi-virtual coupled levitated oscillators

Ronghao Yin, Yugang Ren, Deok Young Seo +4 more·Dec 22, 2025

Mesoscopic particles levitated by optical, electrical or magnetic fields act as mechanical oscillators with a range of surprising properties, such as tuneable oscillation frequencies, access to rotational motion, and remarkable quality factors. Coupl...

physics.ins-detQuantum Physics

Integrated Ring-based Quantum Key Distribution with Weak Measurement Enhanced Fiber-Optic Sensing Disturbance Magnitude and Location

Weiqian Zhao, Wenzhao Huang, Zifu Su +5 more·Dec 22, 2025

The deep integration of quantum communication and fiber-optic sensing is pivotal for the development of next-generation multifunctional and highly reliable secure information infrastructure. Here, we present a Sagnac-loop integrated system (SLIS) tha...

Quantum Physics

High-Throughput Microwave Package for Precise Superconducting Device Measurement

Wei-Ren Syong, Allie Miller, Emma Davis +6 more·Dec 20, 2025

Cryogenic microwave measurement of superconducting quantum devices is complicated by the packaging required to connect devices to control and readout circuitry. In this work, we outline the design and experimental demonstration of a wirebond-free, PC...

Quantum Physics

Kerr-induced non-Gaussianity of ultrafast bright squeezed vacuum

Andrei Rasputnyi, Ilya Karuseichyk, Gerd Leuchs +2 more·Dec 19, 2025

Non-Gaussian states of light are a critical resource for fault-tolerant quantum computing and enhanced metrology, but are typically faint and often obtained via post-selection. Here, we demonstrate the deterministic generation of a bright non-Gaussia...

Quantum Physics

Microcomb-driven large-scale fully connected quantum network

Fang-Xiang Wang, Sheng-Teng Zheng, Long Huang +15 more·Dec 19, 2025

Fully connected quantum networks enable simultaneously connecting every user to every other user and are the most versatile and robust networking architecture. However, the scalability of such networks remains great challenge for practical applicatio...

Quantum Physicsphysics.optics

Zero-added-loss entanglement multiplexing using time-bin spectral shearing

Joseph C. Chapman, Muneer Alshowkan, Jack Postlewaite +2 more·Dec 19, 2025

High-quality quantum communications that enable important capabilities, such as distributed quantum computing and sensing, will require quantum repeaters for providing high-quality entanglement. To realize high-rate heralded entanglement for quantum ...

Quantum Physics

Comparing Homodyne and Heterodyne Tomography of Quantum States of Light

Rhea P. Fernandes, Andrew J. Pizzimenti, Christos N. Gagatsos +1 more·Dec 18, 2025

Non-Gaussian quantum states are critical resources in photonic quantum information processing, rendering their generation and characterization of increasing importance in quantum optics. In this work, we theoretically and numerically analyze the rela...

Quantum Physicsphysics.optics

Model-Based Real-Time Synthesis of Acousto-Optically Generated Laser-Beam Patterns and Tweezer Arrays

Marcel Mittenbuehler, Lukas Sturm, Malte Schlosser +1 more·Dec 18, 2025

Acousto-optic deflectors (AOD) enable spatiotemporal control of laser beams through diffraction at an ultrasonic grating that is controllable by radio-frequency (rf) waveforms. These devices are a widely used tool for high-bandwidth random-access sca...

physics.opticsQuantum Physics

Photoacoustic model for laser-induced acoustic desorption of nanoparticles

Matthew Edmonds, James Bateman·Dec 18, 2025

Laser-induced acoustic desorption (LIAD) enables loading nanoparticles into optical traps under vacuum for levitated optomechanics experiments. Current LIAD systems rely on empirical optimization using available laboratory lasers rather than systemat...

physics.opticsQuantum Physics

Correlated many-body quantum dynamics of the Peregrine soliton

D. Diplaris, G. A. Bougas, P. G. Kevrekidis +3 more·Dec 17, 2025

We explore the correlated dynamics underlying the formation of the quantum Peregrine soliton, a prototypical rogue-wave excitation, utilizing interaction quenches from repulsive to attractive couplings in an ultracold bosonic gas confined in a one-di...

cond-mat.quant-gasnlin.PSQuantum Physics

Full-field-of-view aberration correction for large arrays of focused beams

Yohann Machu, Gautier Creutzer, Clément Sayrin +1 more·Dec 17, 2025

We propose and implement an aberration correction method for the creation of extended arrays of spots well beyond the isoplanatic region of any optical system. The method relies on an extensive calibration of aberrations in terms of Zernike polynomia...

physics.opticsQuantum Physics

AC Stark effect or time-dependent Aharonov-Bohm effect for particle on a ring

Patrick Hinrichs, Douglas Singleton, Nader Inan·Dec 17, 2025

We study the effect of a time-varying solenoidal vector potential for a quantum particle confined to a ring. The setup appears to be a time-varying version of the Aharonov-Bohm effect, but since the particle moves in the presence of fields, it is not...

Quantum Physicshep-th

Quantum Algorithms for Photoreactivity in Cancer-Targeted Photosensitizers

Yanbing Zhou, Pablo A. M. Casares, Diksha Dhawan +5 more·Dec 17, 2025

Photodynamic therapy (PDT) is a targeted cancer treatment that uses light-activated photosensitizers to generate reactive oxygen species that selectively destroy tumor cells, generally causing less collateral damage than conventional treatments. Howe...

Quantum Physics

Low-Latency FPGA Control System for Real-Time Neural Network Processing in CCD-Based Trapped-Ion Qubit Measurement

Binglei Lou, Gautham Duddi Krishnaswaroop, Filip Wojcicki +5 more·Dec 17, 2025

Accurate and low-latency qubit state measurement is critical for trapped-ion quantum computing. While deep neural networks (DNNs) have been integrated to enhance detection fidelity, their latency performance on specific hardware platforms remains und...

Quantum Physicscs.AR

Photonics-Enhanced Graph Convolutional Networks

Yuan Wang, Oleksandr Kyriienko·Dec 17, 2025

Photonics can offer a hardware-native route for machine learning (ML). However, efficient deployment of photonics-enhanced ML requires hybrid workflows that integrate optical processing with conventional CPU/GPU based neural network architectures. He...

physics.opticscond-mat.dis-nncs.LGQuantum Physics

Sharing quantum indistinguishability with multiple parties

Lemieux Wang, Hanwool Lee, Joonwoo Bae +1 more·Dec 17, 2025

Quantum indistinguishability of non-orthogonal quantum states is a valuable resource in quantum information applications such as cryptography and randomness generation. In this article, we present a sequential state-discrimination scheme that enables...

Quantum Physics

Bosonic quantum computing with near-term devices and beyond

Timo Hillmann·Dec 17, 2025

(Abridged.) This thesis investigates scalable fault-tolerant quantum computation through the development of bosonic quantum codes, quantum LDPC codes, and decoding protocols that connect continuous-variable and discrete-variable error correction. We ...

Quantum Physics

Microscopic model for a spatial multimode generation based on Multi-pump Four Wave Mixing in hot vapours

H. M. Florez·Dec 17, 2025

Multipartite entanglement is an important resource for quantum information processing. It has been shown that it is possible to employ alkali atoms to implement single device multipartite entanglement by using nonlinear processes with spatial modes. ...

Quantum Physics
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