Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Hybrid Authentication Protocols for Advanced Quantum Networks
Suchetana Goswami, Mina Doosti, Elham Kashefi·Apr 15, 2025
Authentication is a fundamental building block of secure quantum networks, essential for quantum cryptographic protocols and often debated as a key limitation of quantum key distribution (QKD) in security standards. Most quantum-safe authentication s...
Dynamical Casimir effect in superconducting cavities: from photon generation to universal quantum gates
F. Lombardo, P. I. Villar·Apr 15, 2025
This chapter explores various aspects of the Dynamical Casimir Effect (DCE) and its implications in the context of circuit quantum electrodynamics (cQED). We begin by reviewing the origin and fundamental properties of the DCE, including three equival...
The stellar decomposition of Gaussian quantum states
Arsalan Motamedi, Yuan Yao, Kasper Nielsen +4 more·Apr 14, 2025
We introduce the stellar decomposition, a novel method for characterizing non-Gaussian states produced by photon-counting measurements on Gaussian states. Given an $(m+n)$-mode Gaussian state $G$, we express it as an $(m+n)$-mode "Gaussian core state...
Practical Advantage of Classical Communication in Entanglement Detection.
Wen-Bo Xing, Min-Yu Lv, Lingxia Zhang +9 more·Apr 14, 2025
Entanglement is the cornerstone of quantum communication, yet conventional detection relies solely on local measurements. In this Letter, we present an experimental demonstration, based on an improved theoretical framework showing that one-way local ...
Qiskit Quantum Circuits Posit Singlet state in Radical Pair-based Magnetoreception of Migratory Birds
Hillol Biswas, Spyridon Talaganis·Apr 14, 2025
Quantum computing applications in diverse domains are emerging rapidly. Given the limitations of classical computing techniques, the peculiarity of quantum circuits, which can observe quantum phenomena such as superposition, entanglement, and quantum...
An Exact Link between Nonlocal Nonstabilizerness and Operator Entanglement
Faidon Andreadakis, Paolo Zanardi·Apr 12, 2025
Nonstabilizerness is a quantum property of states associated with the non-Clifford resources required for their preparation. As a resource, nonstabilizerness complements entanglement, and the interplay between these two concepts has garnered signific...
Downloading many-qubit entanglement from continuous-variable cluster states
Zhihua Han, Hoi-Kwan Lau·Apr 11, 2025
Many-body entanglement is an essential resource for many quantum technologies, but its scalable generation has been challenging on qubit platforms. However, the generation of continuous-variable (CV) entanglement can be extremely efficient, but its u...
Automating quantum feature map design via large language models
Kenya Sakka, Kosuke Mitarai, Keisuke Fujii·Apr 10, 2025
Quantum feature maps are a key component of quantum machine learning, encoding classical data into quantum states to exploit the expressive power of high-dimensional Hilbert spaces. Despite their theoretical promise, designing quantum feature maps th...
Noise-aware entanglement generation protocols for superconducting qubits with impedance-matched FBAR transducers
Erin Sheridan, M. Senatore, Samuel Schwab +8 more·Apr 9, 2025
Connecting superconducting quantum processors to telecommunications-wavelength quantum networks is critically necessary to enable distributed quantum computing, secure communications, and other applications. Optically-mediated entanglement heralding ...
Entangling quantum memories over 420 km in fiber
Xi-Yu Luo, Chao-Yang Wang, Mingjuan Zheng +17 more·Apr 8, 2025
Long-distance entanglement is pivotal for quantum communication, distributed quantum computing and sensing. Significant progresses have been made in extending the distribution distance of entangled photons, either in free space or fiber. For future q...
Cryptomania v.s. Minicrypt in a Quantum World
Longcheng Li, Qian Li, X. Li +1 more·Apr 8, 2025
We prove that it is impossible to construct perfect-complete quantum public-key encryption (QPKE) with classical keys from quantumly secure one-way functions (OWFs) in a black-box manner, resolving a long-standing open question in quantum cryptograph...
Scalable low-latency entanglement distribution for distributed quantum computing
Jiapeng Zhao, Yang Xu, Xiyuan Lu +5 more·Apr 7, 2025
Practical distributed quantum computing and error correction require quantum networks with high-qubit-rate, high-fidelity, and low-reconfiguration-latency. Unfortunately, current approaches are limited by fundamental constraints: single-channel entan...
Notes on Quantum Soundscapes and Music
Miles Blencowe, Michael Casey, Kimberly Tan·Apr 6, 2025
We describe our investigations concerning the sonification of measured data from experiments involving various mesoscopic mechanical oscillator systems cooled down close to their quantum ground states, and music generation from a programmed quantum c...
Dynamically stable two-mode squeezing in cavity optomechanics
Chen Wang, Shi-fan Qi·Apr 4, 2025
Bosonic two-mode squeezed states are paradigmatic entangled states with broad applications in quantum information processing and quantum metrology. In this work, we propose a two-mode squeezing scheme in a hybrid three-mode cavity optomechanical syst...
Split Federated Learning for Low-Altitude Wireless Networks: Joint Sensing, Communication, Computation, and Control Co-design
Xiangwang Hou, Xianghe Wang, Jiacheng Wang +4 more·Apr 2, 2025
Unmanned aerial vehicles (UAVs) with integrated sensing, communication, computation and control (ISC3) capabilities have become key enablers of next-generation wireless networks. Federated edge learning (FEL) leverages UAVs as mobile learning agents ...
Bubble Clustering Decoder for Quantum Topological Codes
Diego Forlivesi, L. Valentini, M. Chiani·Apr 2, 2025
Quantum computers are highly vulnerable to noise, necessitating the use of error-correcting codes to protect stored data. Errors must be continuously corrected over time to counteract decoherence using appropriate decoders. Therefore, fast decoding s...
Strain Effects in a Directly Bonded Diamond‐on‐Insulator Substrate
Ioannis Varveris, G. Aliberti, Tianyin Chen +6 more·Mar 31, 2025
The direct bonding process of a diamond‐on‐insulator (DOI) substrate enables monolithic integration of diamond photonic structures for quantum computing by improving photon collection efficiency and entanglement generation rate between emitters. It a...
Powering Quantum Computation with Quantum Batteries
Yaniv Kurman, Kieran Hymas, Arkady Fedorov +2 more·Mar 30, 2025
Executing quantum logic in cryogenic quantum computers requires a continuous energy supply from room-temperature control electronics. This dependence on external energy sources creates scalability limitations due to control channel density and heat d...
Exploration of Design Alternatives for Reducing Idle Time in Shor's Algorithm: A Study on Monolithic and Distributed Quantum Systems
Moritz Schmidt, Abhoy Kole, Leon Wichette +3 more·Mar 28, 2025
Shor's algorithm is one of the most prominent quantum algorithms, yet finding efficient implementations remains an active research challenge. While many approaches focus on low-level modular arithmetic optimizations, a broader perspective can provide...
Spatial Mode Encoding for Quantum Key Distribution: From Hundreds to Thousands of Modes
Lukas Scarfe, Yingwen Zhang, Ebrahim Karimi·Mar 28, 2025
Here, we present a proof-of-principle high-dimensional quantum key distribution (QKD) protocol utilizing the position and momentum entanglement of photon pairs. The protocol exploits the fact that position and momentum form mutually unbiased bases, l...