基于里德堡原子的微波电场量子传感  

Quantum Sensing of Microwave Electric Fields Based on Rydberg Atoms

作　　者：张临杰[1,2] 景明勇 张好[1,2] ZHANG Linjie;JING Mingyong;ZHANG Hao(State Key Laboratory of Quantum Optics and Quantum Optics Devices,Institute of Laser Spectroscopy,Shanxi University,Taiyuan 030006,China;Collaborative Innovation Center of Extreme Optics,Shanxi University,Taiyuan 030006,China)

机构地区：[1]山西大学激光光谱研究所,量子光学与光量子器件国家重点实验室,山西太原030006 [2]山西大学极端光学协同创新中心,山西太原030006

出　　处：《山西大学学报（自然科学版）》2022年第3期712-722,共11页Journal of Shanxi University(Natural Science Edition)

基　　金：国家自然科学基金(61827824,61975104,12104279)。

摘　　要：微波电场的测量与传感在通信、国防、天文等领域具有重要意义。近年来基于里德堡原子的微波电场量子传感研究获得快速发展,本文首先介绍量子传感的基本概念、里德堡原子微波传感的研究进展,重点阐述里德堡原子微波电场计、基于缀饰里德堡原子微波超外差接收机以及超冷原子微波电场测量的技术方案和结果;最后讨论了提升里德堡原子微波天线的灵敏度指标可行的技术方案。The quantum sensing of microwave electric fields is important for wireless communication,national security and astronomical research.Recently,Rydberg-atom-based electric fields sensing have been a surge of hot issues because of potential ultrahigh sensitivity,ultra-wide bandwidth and good traceabliablity.In this review,the basic concept and general protocol of quantum sensing are introduced.The advances of quantum sensing of microwave electric fields are described respectively,including Rydberg atom electric meter,atomic superheterodyne receiver based on microwave-dressed Rydberg atoms and precision measurement using the ultracold atom gases.The reasonable solutions are discussed to improve the sensitivity of Rydberg-atom-based electric fields sensing.

关 键 词：量子传感 里德堡原子 量子相干效应 微波电场计 原子超外差接收机 

分 类 号：O436[机械工程—光学工程]