超导量子计算中的逻辑门误差问题  

Errors of quantum gates in superconducting quantum circuits

作　　者：宋紫璇 骆凯 相梁 崔江煜 郭秋江 翁文康 SONG ZiXuan;LUO Kai;XIANG Liang;CUI JiangYu;GUO QiuJiang;YUNG ManHong(ZJU-Hangzhou Global Scientific and Technological Innovation Center,Zhejiang University,Hangzhou 311215,China;Shenzhen Institute for Quantum Science and Engineering,Southern University of Science and Technology,Shenzhen 518000,China;Department of Modern Physics,University of Science and Technology of China,Hefei 230026,China)

机构地区：[1]浙江大学杭州国际科创中心,浙江大学,杭州311215 [2]南方科技大学量子科学与工程研究院,深圳518000 [3]中国科学技术大学近代物理系,合肥230026

出　　处：《中国科学:物理学、力学、天文学》2025年第4期2-15,共14页Scientia Sinica Physica,Mechanica & Astronomica

基　　金：国家自然科学基金(编号:12274368);浙江省自然科学基金(编号:LR24A040002)资助项目。

摘　　要：降低量子逻辑门操作误差是现阶段量子计算技术发展的关键挑战.面对这一挑战,本文聚焦于超导量子电路,对量子逻辑门误差展开讨论.首先介绍了量子逻辑门的基本概念、误差来源和主流标定方法,并着重讨论了量子逻辑门并行操作时的串扰误差.此外,本文归纳了影响系统稳定性的关键因素,为超导量子计算的工程化发展提供了参考依据.Analyzing and mitigating the errors of quantum gates presents a critical challenge in quantum computing.This article reviews the errors of quantum gates in superconducting quantum circuits,starting with an introduction to the basic concepts of quantum gates,including error sources and benchmarking methods.It subsequently discusses the crosstalk errors induced by quantum gates operating in parallel.Finally,the article summarizes the primary factors affecting system stability,and provides a reference for pushing forward the industrialization of superconducting quantum computing.

关 键 词：超导量子计算 量子逻辑门 误差标定 串扰 

分 类 号：O413[理学—理论物理]