文献类型：期刊文献

英文题名：Highly sensitive microwave electrometry with enhanced instantaneous bandwidth

作者：Yang, Bowen[1,2,3,4];Yan, Yuhan[1,2,3,5];Li, Xuejie[1,2,3,5];Xiao, Ling[1,2,3];Li, Xiaolin[6];Chen, L. Q.[5,7];Deng, Jianliao[1,2,3];Cheng, Huadong[1,2,3,4]

机构：[1]Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Key Lab Quantum Opt, Shanghai 201800, Peoples R China;[2]Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Ctr Cold Atom Phys, Shanghai 201800, Peoples R China;[3]Chinese Acad Sci, Aerospace Laser Engn Dept, Shanghai Inst Opt & Fine Mech, Wangzhijiang Innovat Ctr Laser, Shanghai 201800, Peoples R China;[4]Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China;[5]East China Normal Univ, Dept Phys & Elect Sci, Shanghai 200062, Peoples R China;[6]East China Univ Sci & Technol, Sch Phys, Shanghai, Peoples R China;[7]Hefei Natl Lab, Shanghai Branch, Shanghai 201315, Peoples R China

年份：2024

卷号：21

期号：3

外文期刊名：PHYSICAL REVIEW APPLIED

收录：;EI(收录号：20241015709847);WOS:【SCI-EXPANDED(收录号:WOS:001187573300002)】；

基金：Acknowledgments. This study was financially supported by the National Natural Science Foundation of China (Grants No. 12174409, No. 61835013, No. U23A2075 and No. 12274132) and Innovation Program of Shanghai Munici-pal Education Commission (202101070008E00099) .

语种：英文

外文关键词：Antennas - Bandwidth - Microwave sensors

摘要：Rydberg microwave (MW) sensors are superior to conventional antenna-based techniques because of their wide operating frequency range and outstanding potential sensitivity. Here, we demonstrate a Rydberg microwave receiver with a high sensitivity of 62 nV cm-1 Hz-1/2 and broad instantaneous bandwidth of up to +/- 10.2 MHz. Such excellent performance was achieved by the amplification of one generated sideband wave induced by the strong coupling field in the six-wave mixing process of the Rydberg superheterodyne receiver, which was well predicted by our theory. Our system, which possesses a uniquely enhanced instantaneous bandwidth and high-sensitivity features that can be improved further, will promote the application of Rydberg microwave electrometry in radar and communication.