Magneto-optic rotation detection scheme for miniaturized coherent population trapping atomic clock

被引:0
作者
Qu, Suping [1 ]
Yin, Yi [3 ]
Cai, Dehuan [1 ,2 ]
Gong, Hao [1 ]
机构
[1] Bengbu Univ, Fac Sci, Bengbu 233030, Peoples R China
[2] Univ Sci & Technol China, CAS Key Lab Quantum Informat, Hefei 230026, Anhui, Peoples R China
[3] Kunming Shipborne Equipment Res & Test Ctr, Kunming 650051, Yunnan, Peoples R China
基金
美国国家科学基金会;
关键词
DARK RESONANCES; CONTRAST; LINE;
D O I
10.1364/AO.58.009773
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
In order to suppress the effects of carrier and high-order sidebands on the coherent population trapping (CPT) signal, a scheme of interaction between an elliptically polarized beam and alkali atoms using the magneto-optic rotation detection is examined. By canceling the spin-polarized dark state in the CPT state preparation, a CPT resonance signal with a contrast of 32.5% is obtained. Our scheme requires minor modifications of the optical path in the prevalent scheme, and the short-term frequency stability of our scheme is five times better than that of the prevalent scheme, making it ideal for miniaturized CPT atomic clock applications. (C) 2019 Optical Society of America
引用
收藏
页码:9773 / 9776
页数:4
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