Papers
Live trends in quantum computing research, updated daily from arXiv.
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Research Volume
13,405 papers in 12 months (-22% vs prior quarter)
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Papers by research theme (12 months). Hover for details.
Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Characterization of non-adaptive Clifford channels
V. Yashin, Maria Elovenkova·Nov 10, 2023
Stabilizer circuits arise in almost every area of quantum computation and communication, so there is interest in studying them from an information-theoretic perspective, i.e. as quantum channels. We consider several natural approaches to what can be ...
An introduction to financial option pricing on a qudit-based quantum computer
N. Bornman·Nov 9, 2023
The financial sector is anticipated to be one of the first industries to benefit from the increased computational power of quantum computers, in areas such as portfolio optimisation and risk management to financial derivative pricing. Financial mathe...
Blue-Detuned Magneto-optical Trap of CaF Molecules.
Samuel J. Li, Connor M. Holland, Yukai Lu +1 more·Nov 9, 2023
A key method to produce trapped and laser-cooled molecules is the magneto-optical trap (MOT), which is conventionally created using light red detuned from an optical transition. In this work, we report a MOT for CaF molecules created using blue-detun...
Scalable Fault-Tolerant Quantum Technologies with Silicon Color Centers
S. Simmons·Nov 8, 2023
The scaling barriers currently faced by both quantum networking and quantum computing technologies ultimately amount to the same core challenge of distributing high-quality entanglement at scale. In this Perspective, a novel quantum information proce...
Cryogenic Resonant Amplifier for Electron-on-Helium Image Charge Readout
Mikhail Belianchikov, Jakob A. Kraus, Denis Konstantinov·Nov 8, 2023
An electron-on-helium qubit is a promising physical platform for quantum information technologies. Among all the “blueprints” for the qubit realization, a hybrid Rydberg-spin qubit seems to be a promising one toward quantum computing using electron s...
Creation of Two-Mode Squeezed States in Atomic Mechanical Oscillators.
W. Leong, Mingjie Xin, Zilong Chen +2 more·Nov 8, 2023
Two-mode squeezed states, which are entangled states with bipartite quantum correlations in continuous-variable systems, are crucial in quantum information processing and metrology. Recently, continuous-variable quantum computing with the vibrational...
Deep learning as a tool for quantum error reduction in quantum image processing
Krzysztof Werner, Kamil Wereszczy'nski, Rafał Potempa +1 more·Nov 8, 2023
Despite the limited availability and quantum volume of quantum computers, quantum image representation is a widely researched area. Currently developed methods use quantum entanglement to encode information about pixel positions. These methods range ...
Shaping photons: Quantum information processing with bosonic cQED
Adrian Copetudo, C. Fontaine, Fernando Valadares +1 more·Nov 7, 2023
With its rich dynamics, the quantum harmonic oscillator is an innate platform for understanding real-world quantum systems and could even excel as the heart of a quantum computer. A particularly promising and rapidly advancing platform that harnesses...
Reinforcement learning pulses for transmon qubit entangling gates
Ho Nam Nguyen, F. Motzoi, Mekena Metcalf +5 more·Nov 7, 2023
The utility of a quantum computer is highly dependent on the ability to reliably perform accurate quantum logic operations. For finding optimal control solutions, it is of particular interest to explore model-free approaches, since their quality is n...
Experimental demonstration of Continuous-Variable Quantum Key Distribution with a silicon photonics integrated receiver
Yoann Pi'etri, Luis Trigo Vidarte, Matteo Schiavon +4 more·Nov 7, 2023
Quantum Key Distribution (QKD) is a prominent application in the field of quantum cryptography providing information-theoretic security for secret key exchange. The implementation of QKD systems on photonic integrated circuits (PICs) can reduce the s...
Multimodal deep representation learning for quantum cross-platform verification
Yan Qian, Yuxuan Du, Zhenliang He +2 more·Nov 7, 2023
Cross-platform verification, a critical undertaking in the realm of early-stage quantum computing, endeavors to characterize the similarity of two imperfect quantum devices executing identical algorithms, utilizing minimal measurements. While the ran...
Resource analysis of quantum algorithms for coarse-grained protein folding models
Hanna Linn, Isak Brundin, Laura Garc'ia-'Alvarez +1 more·Nov 7, 2023
Protein folding processes are a vital aspect of molecular biology that is hard to simulate with conventional computers. Quantum algorithms have been proven superior for certain problems and may help tackle this complex life science challenge. We anal...
Improved Noisy Syndrome Decoding of Quantum LDPC Codes with Sliding Window
Shilin Huang, S. Puri·Nov 6, 2023
Quantum error correction (QEC) with single-shot decoding enables reduction of errors after every single round of noisy stabilizer measurement, easing the time-overhead requirements for fault tolerance. Notably, several classes of quantum low-density-...
Sparse Quantum State Preparation for Strongly Correlated Systems.
C'esar Feniou, Olivier Adjoua, Baptiste Claudon +3 more·Nov 6, 2023
Quantum computing allows, in principle, the encoding of the exponentially scaling many-electron wave function onto a linearly scaling qubit register, offering a promising solution to overcome the limitations of traditional quantum chemistry methods. ...
An integrated atom array-nanophotonic chip platform with background-free imaging
Shankar G. Menon, Noah Glachman, M. Pompili +2 more·Nov 3, 2023
Arrays of neutral atoms trapped in optical tweezers have emerged as a leading platform for quantum information processing and quantum simulation due to their scalability, reconfigurable connectivity, and high-fidelity operations. Individual atoms are...
Distributed Simulation of Statevectors and Density Matrices
Tyson Jones, Bálint Koczor, S. Benjamin·Nov 2, 2023
Classical simulation of quantum computers is an irreplaceable step in the design of quantum algorithms. Exponential simulation costs demand the use of high-performance computing techniques, and in particular distribution, whereby the quantum state de...
Analog information decoding of bosonic quantum LDPC codes
Lucas Berent, Timo Hillmann, Jens Eisert +2 more·Nov 2, 2023
Quantum error correction is crucial for scalable quantum information-processing applications. Traditional discrete-variable quantum codes that use multiple two-level systems to encode logical information can be hardware intensive. An alternative appr...
Security proof for variable-length quantum key distribution
Devashish Tupkary, E. Y. Tan, Norbert Lütkenhaus·Nov 2, 2023
We present a security proof for variable-length QKD in the Renner framework against IID collective attacks. Our proof can be lifted to coherent attacks using the postselection technique. Our first main result is a theorem to convert a series of secur...
Enhancing Graph Neural Networks with Quantum Computed Encodings
Slimane Thabet, Romain Fouilland, Mehdi Djellabi +4 more·Oct 31, 2023
Transformers are increasingly employed for graph data, demonstrating competitive performance in diverse tasks. To incorporate graph information into these models, it is essential to enhance node and edge features with positional encodings. In this wo...
Entanglement-based quantum digital signatures over a deployed campus network.
Joseph C. Chapman, M. Alshowkan, Bing Qi +1 more·Oct 30, 2023
The quantum digital signature protocol offers a replacement for most aspects of public-key digital signatures ubiquitous in today's digital world. A major advantage of a quantum-digital-signatures protocol is that it can have information-theoretic se...