Noise suppression in coherent population-trapping atomic clock by differential magneto-optic rotation detection

被引：24

作者：

Tan, Bozhong ^{[1
]}

Tian, Yuan ^{[1
]}

Lin, Huifang ^{[1
]}

Chen, Jiehua ^{[1
]}

Gu, Sihong ^{[1
]}

机构：

[1] Chinese Acad Sci, Wuhan Inst Phys & Math, Key Lab Atom Frequency Stand, Wuhan 430071, Peoples R China

来源：

OPTICS LETTERS | 2015年 / 40卷 / 16期

基金：

中国国家自然科学基金;

关键词：

CONTRAST; VAPOR;

D O I：

10.1364/OL.40.003703

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We propose and investigate a scheme for differential detection of the magneto-optic rotation (MOR) effect, where a linearly polarized bichromatic laser field is coherent population-trapping (CPT)-resonant with alkali atoms, and discuss the application of this effect to CPT-based atomic clocks. The results of our study indicate that laser noise in a vertical cavity surface-emitting laser-based CPT atomic clock can be effectively suppressed by the proposed scheme. The proposed scheme promises to realize a packaged MOR-CPT atomic clock that has significantly better frequency stability coupled with similar power consumption, volume, and cost when compared with currently available packaged CPT atomic clocks. (C) 2015 Optical Society of America

引用

页码：3703 / 3706

页数：4

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