Atom-based receiver for amplitude-modulated baseband signals in high-frequency radio communication

被引：78

作者：

Jiao, Yuechun ^{[1
,3
]}

Han, Xiaoxuan ^{[1
,3
]}

Fan, Jiabei ^{[1
,3
]}

Raithel, Georg ^{[1
,2
]}

Zhao, Jianming ^{[1
,3
]}

Jia, Suotang ^{[1
,3
]}

机构：

[1] Shanxi Univ, State Key Lab Quantum Opt & Quantum Opt Devices, Inst Laser Spect, Taiyuan 030006, Shanxi, Peoples R China

[2] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA

[3] Shanxi Univ, Collaborat Innovat Ctr Extreme Opt, Taiyuan 030006, Shanxi, Peoples R China

来源：

APPLIED PHYSICS EXPRESS | 2019年 / 12卷 / 12期

基金：

国家重点研发计划; 中国国家自然科学基金;

关键词：

RYDBERG ATOMS; ELECTROMETRY;

D O I：

10.7567/1882-0786/ab5463

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

An atom-based sensor is used to retrieve baseband signals modulated onto a microwave carrier. The 60S(1/2) level of cesium atoms in a vapor cell is optically probed via electromagnetically induced transparency. A 16.98-GHz carrier is resonant with the 60S(1/2) ? 60P(1/2) transition, resulting in an Autler?Townes (AT) splitting. Amplitude modulation (AM) results in a variation of the AT splitting, which is processed to retrieve the AM baseband signals. The optically retrieved signal has a fidelity of >95%. We demonstrate a baseband bandwidth of the receiver of about 60;kHz and a dynamic range of about 30;dB.

引用

页数：4

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