Papers
Live trends in quantum computing research, updated daily from arXiv.
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Research Volume
12,911 papers in 12 months (-5% 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
Linear and Non-Linear Response of Quadratic Lindbladians
Spenser Talkington, Martin Claassen·Feb 9, 2024
Quadratic Lindbladians encompass a rich class of dissipative electronic and bosonic quantum systems, which have been predicted to host new and exotic physics. In this study, we develop a Lindblad-Keldysh spectroscopic response formalism for open quan...
Sequential adiabatic generation of chiral topological states
Xie Chen, M. Hermele, David T. Stephen·Feb 5, 2024
In previous work, it was shown that non-trivial gapped states can be generated from a product state using a sequential quantum circuit. Explicit circuit constructions were given for a variety of gapped states at exactly solvable fixed points. In th...
Crosstalk Attacks and Defence in a Shared Quantum Computing Environment
B. Harper, Behnam Tonekaboni, Bahar Goldozian +2 more·Feb 5, 2024
Quantum computing has the potential to provide solutions to problems that are intractable on classical computers, but the accuracy of the current generation of quantum computers suffer from the impact of noise or errors such as leakage, crosstalk, de...
Efficient Implementation of Discrete-Time Quantum Walks on Quantum Computers
Luca Razzoli, Gabriele Cenedese, M. Bondani +1 more·Feb 2, 2024
Quantum walks have proven to be a universal model for quantum computation and to provide speed-up in certain quantum algorithms. The discrete-time quantum walk (DTQW) model, among others, is one of the most suitable candidates for circuit implementat...
Benchmarking Multipartite Entanglement Generation with Graph States
René Zander, Colin Kai-Uwe Becker·Feb 1, 2024
As quantum computing technology slowly matures and the number of available qubits on a QPU gradually increases, interest in assessing the capabilities of quantum computing hardware in a scalable manner is growing. One of the key properties for quantu...
Quantum Time Dynamics Mediated by the Yang-Baxter Equation and Artificial Neural Networks.
Sahil Gulania, Yuri Alexeev, Stephen K. Gray +2 more·Jan 30, 2024
Quantum computing shows great potential, but errors pose a significant challenge. This study explores new strategies for mitigating quantum errors using artificial neural networks (ANNs) and the Yang-Baxter equation (YBE). Unlike traditional error mi...
Quantum Circuit Mapping for Universal and Scalable Computing in MZI-based Integrated Photonics
Y. Kwon, Alessio Baldazzi, Lorenzo Pavesi +1 more·Jan 30, 2024
Linear optical quantum computing (LOQC) offers a quantum computation paradigm based on well-established and robust technology and flexible environmental conditions following DiVincenzo's criteria. Within this framework, integrated photonics can be ut...
Enhancing the expressivity of quantum neural networks with residual connections
Jingwei Wen, Zhiguo Huang, Dunbo Cai +1 more·Jan 29, 2024
The authors introduce a quantum circuit-based algorithm to implement quantum residual neural networks by incorporating auxiliary qubits in the data-encoding and trainable blocks, which leads to an improved expressivity of parameterized quantum circui...
Quantum-safe Encryption: A New Method to Reduce Complexity and/or Improve Security Level
A. Khandani·Jan 29, 2024
This work presents some novel techniques to enhance an encryption scheme motivated by classical McEliece cryptosystem. Contributions include: (1) using masking matrices to hide sensitive data, (2) allowing both legitimate parties to incorporate rando...
Thresholds for the distributed surface code in the presence of memory decoherence
Sébastian de Bone, Paul Möller, Conor E. Bradley +2 more·Jan 19, 2024
In the search for scalable, fault-tolerant quantum computing, distributed quantum computers are promising candidates. These systems can be realized in large-scale quantum networks or condensed onto a single chip with closely situated nodes. We presen...
The Quantum Cryptography Approach: Unleashing the Potential of Quantum Key Reconciliation Protocol for Secure Communication
Neha Sharma, Vikas Saxena·Jan 17, 2024
Quantum cryptography is the study of delivering secret communications across a quantum channel. Recently, Quantum Key Distribution (QKD) has been recognized as the most important breakthrough in quantum cryptography. This process facilitates two dist...
Elivagar: Efficient Quantum Circuit Search for Classification
Sashwat Anagolum, Narges Alavisamani, Poulami Das +2 more·Jan 17, 2024
Designing performant and noise-robust circuits for Quantum Machine Learning (QML) is challenging --- the design space scales exponentially with circuit size, and there are few well-supported guiding principles for QML circuit design. Although recent ...
How to Design a Classically Difficult Random Quantum Circuit for Quantum Computational Advantage Experiments
He-Liang Huang, You-Wei Zhao, Chu Guo·Jan 16, 2024
Quantum computational advantage is a critical milestone for near-term quantum technologies and an essential step towards building practical quantum computers. Recent successful demonstrations of quantum computational advantage owe much to specificall...
An Efficient and Scalable Clocking Assignment Algorithm for Multi-Threaded Multi-Phase Single Flux Quantum Circuits
Robert S. Aviles, Xi Li, Lei Lu +2 more·Jan 12, 2024
This paper proposes an approximation algorithm for clocking assignments that minimizes the insertion of path balancing DFFs for multi-threaded multi-phase clocking of SFQ circuits. Existing SFQ multi-phase clocking solutions have been shown to effect...
Machine-learning optimal control pulses in an optical quantum memory experiment
Elizabeth Robertson, Luisa Esguerra, Leon Meßner +2 more·Jan 10, 2024
Efficient optical quantum memories are a milestone required for several quantum technologies including repeater-based quantum key distribution and on-demand multi-photon generation. We present an efficiency optimization of an optical electromagnetica...
High-Rate and High-Fidelity Modular Interconnects between Neutral Atom Quantum Processors
Yiyi Li, Jeff D. Thompson·Jan 8, 2024
Quantum links between physically separated modules are important for scaling many quantum computing technologies. The key metrics are the generation rate and fidelity of remote Bell pairs. In this work, we propose an experimental protocol for generat...
Lock-free de Bruijn graph
Daniel G'orniak, Robert Nowak·Jan 5, 2024
De Bruijn graph is one of the most important data structures used in de-novo genome assembly algorithms, especially for NGS data. There is a growing need for parallel data structures and algorithms due to the increasing number of cores in modern comp...
Exploring many-body interactions through quantum Fisher information
P. Cieśliński, P. Kurzyński, T. Sowi'nski +2 more·Jan 3, 2024
The investigation of many-body interactions holds significant importance in both quantum foundations and information. Hamiltonians coupling multiple particles at once, beyond others, can lead to a faster entanglement generation, multiqubit gate imple...
Hybrid Quantum Cycle Generative Adversarial Network for Small Molecule Generation
M. Anoshin, A. Sagingalieva, C. Mansell +4 more·Dec 28, 2023
The drug design process currently requires considerable time and resources to develop each new compound that enters the market. This work develops an application of hybrid quantum generative models based on the integration of parameterized quantum ci...
Quantum Entanglement between Optical and Microwave Photonic Qubits
S. Meesala, David Lake, Steven Wood +6 more·Dec 21, 2023
Entanglement is an extraordinary feature of quantum mechanics. Sources of entangled optical photons were essential to test the foundations of quantum physics through violations of Bell’s inequalities. More recently, entangled many-body states have be...