Papers
Live trends in quantum computing research, updated daily from arXiv.
Total Papers
27,694
This Month
1,159
Today
0
Research Volume
13,010 papers in 12 months (-3% vs prior quarter)
Research Focus Areas
Papers by research theme (12 months). Hover for details.
Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Simulation of entanglement based quantum networks for performance characterization
David Pérez-Castro, Juan Fernández-Herrerín, Ana Fernández Vilas +2 more·Jan 6, 2025
Entanglement-based networks (EBNs) enable general-purpose quantum communication by combining entanglement and its swapping in a sequence that addresses the challenges of achieving long distance communication with high fidelity associated with quantum...
Operating semiconductor qubits without individual barrier gates
A. Ivlev, D. R. Crielaard, M. Meyer +8 more·Jan 6, 2025
Semiconductor spin qubits have emerged as a promising platform for quantum computing, following a significant improvement in their control fidelities over recent years. Increasing the qubit count remains challenging, beginning with the fabrication of...
Robust Mølmer-Sørensen gate against symmetric and asymmetric errors
Wenhao Zhang, Gaoxiang Tang, Kecheng Liu +4 more·Jan 6, 2025
To achieve the entangling gate fidelity above the quantum error correction threshold, it is critical to suppress errors due to experimental imperfection. We consider the Mølmer-Sørensen gates in trapped-ion systems, and develop a general approach to ...
Quantum Distribution Error Mitigation via the Circulant Structure of Pauli Noise
Alvin Gonzales·Jan 3, 2025
This work introduces distribution error mitigation (DEM), which mitigates the error in the output distribution of a quantum circuit. We provide a rigorous theoretical foundation. If the composite noise affecting the circuit is a Pauli channel, the id...
Noise-Mitigated Variational Quantum Eigensolver with Pre-training and Zero-Noise Extrapolation
Wanqi Sun, Jungang Xu, Chenghua Duan·Jan 3, 2025
As a hybrid quantum-classical algorithm, the variational quantum eigensolver is widely applied in quantum chemistry simulations, especially in computing the electronic structure of complex molecular systems. However, on existing noisy intermediate-sc...
Generalized Cross-Entropy Benchmarking for Random Circuits with Ergodicity
Bin Cheng, Fei Meng, Zhi-Jiong Zhang +1 more·Jan 1, 2025
Cross-entropy benchmarking is a central technique used to certify a quantum chip in recent experiments. To better understand its mathematical foundation and develop new benchmarking schemes, we introduce the concept of ergodicity to random circuit sa...
Cryogenic photonic link using an extended-InGaAs photodiode and short pulse illumination toward high-fidelity drive of superconducting qubits
Takuma Nakamura, Dahyeon Lee, Jason Horng +3 more·Dec 31, 2024
We investigate short pulse illumination of a high-speed extended-InGaAs photodiode at cryogenic temperatures toward its use in control and readout of superconducting qubits. First, we demonstrate high detector responsivity at 1550 nm illumination ...
Efficient Approximate Degenerate Ordered Statistics Decoding for Quantum Codes via Reliable Subset Reduction
Ching-Feng Kung, Kao-Yueh Kuo, Ching-Yi Lai·Dec 30, 2024
Efficient and scalable decoding of quantum codes is essential for high-performance quantum error correction. In this work, we introduce Reliable Subset Reduction (RSR), a reliability-driven preprocessing framework that leverages belief propagation (B...
The surface code beyond Pauli channels: Logical noise coherence, information-theoretic measures, and errorfield-double phenomenology
Jan Behrends, Benjamin B'eri·Dec 30, 2024
We consider the surface code under errors featuring both coherent and incoherent components and study the coherence of the corresponding logical noise channel and how this impacts information-theoretic measures of code performance, namely coherent in...
Quantum Diffusion Model for Quark and Gluon Jet Generation
Mariia Baidachna, Rey Guadarrama, Gopal Ramesh Dahale +6 more·Dec 30, 2024
Diffusion models have demonstrated remarkable success in image generation, but they are computationally intensive and time-consuming to train. In this paper, we introduce a novel diffusion model that benefits from quantum computing techniques in orde...
A Comparison of HPC based Quantum Computing Simulators using Quantum Volume
Christian Boehme, Lourens van Niekerk, Dhiraj Kumar +3 more·Dec 29, 2024
This paper compares quantum computing simulators running on a single CPU or GPU-based HPC node using the Quantum Volume benchmark commonly proposed for comparing NISQ systems. As simulators do not suffer from noise, the metric used in the comparison ...
Artificial Intelligence for Quantum Error Correction: A Comprehensive Review
Zihao Wang, Hao Tang·Dec 29, 2024
Quantum Error Correction (QEC) is the process of detecting and correcting errors in quantum systems, which are prone to decoherence and quantum noise. QEC is crucial for developing stable and highly accurate quantum computing systems, therefore, seve...
Comparative Performance Analysis of Quantum Machine Learning Architectures for Credit Card Fraud Detection
Mansour El Alami, Nouhaila Innan, Muhammad Shafique +1 more·Dec 27, 2024
As financial fraud becomes increasingly complex, effective detection methods are essential. Quantum Machine Learning (QML) introduces certain capabilities that may enhance both accuracy and efficiency in this area. This study examines how different q...
A C-Band Cryogenic GaAs MMIC Low-Noise Amplifier for Quantum Applications
Zechen Guo, Daxiong Sun, Peisheng Huang +16 more·Dec 27, 2024
Large-scale superconducting quantum computers require massive numbers of high-performance cryogenic low-noise amplifiers (cryo-LNA) for qubit readout. Here we present a C-Band monolithic microwave integrated circuit (MMIC) cryo-LNA for this purpose. ...
Transmon qutrit-based simulation of spin-1 AKLT systems
Keerthi Kumaran, Faisal Alam, N. Eassa +5 more·Dec 27, 2024
Qutrit-based quantum circuits could help reduce the overall circuit depths, and hence the effect of noise, when the system of interest has a local dimension of three. Accessing second excited states in superconducting transmons provides a straightfor...
Traversing Quantum Control Robustness Landscapes: A New Paradigm for Quantum Gate Engineering
Huiqi Xue, Xiu-Hao Deng·Dec 27, 2024
The optimization of robust quantum control is often tailored to specific tasks and suffers from inefficiencies due to the complexity of cost functions. Our recent findings indicate a highly effective methodology for the engineering of quantum gates b...
Forensics of Transpiled Quantum Circuits
Rupshali Roy, Archisman Ghosh, Swaroop Ghosh·Dec 25, 2024
There is a steady growth in research and demand for real quantum hardware in the Noisy Intermediate-Scale Quantum (NISQ) era of quantum computing. This prompts many third-party cloud providers to set up quantum hardware as a service that includes a w...
Hardware-aware Circuit Cutting and Distributed Qubit Mapping for Connected Quantum Systems
Zefan Du, Yanni Li, Zijian Mo +4 more·Dec 24, 2024
Quantum computing offers unparalleled computational capabilities but faces significant challenges, including limited qubit counts, diverse hardware topologies, and dynamic noise/error rates, which hinder scalability and reliability. Distributed quant...
A Time Optimization Framework for the Implementation of Robust and Low-latency Quantum Circuits
E. Lussi, R. Santiago, E. I. Duzzioni·Dec 24, 2024
Quantum computing has garnered attention for its potential to solve complex computational problems with considerable speedup. Despite notable advancements in the field, achieving meaningful scalability and noise control in quantum hardware remains ch...
Efficient Circuit Cutting and Scheduling in a Multi-Node Quantum System with Dynamic EPR Pairs
Zefan Du, Wenrui Zhang, Wenqi Wei +4 more·Dec 24, 2024
Despite advancements, current quantum hardware faces significant challenges, including limited qubit counts and high susceptibility to noise, which hinder the execution of large, complex algorithms. To address these limitations, multi-node quantum sy...