Low noise phase-locked laser system for atom interferometry

被引：6

作者：

Jiang, Bo-Nan ^{[1
,2
,3
,4
,5
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机构：

[1] Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China

[2] Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Anhui, Peoples R China

[3] Univ Sci & Technol China, CAS Ctr Excellence Quantum Informat & Quantum Phy, Shanghai Branch, Shanghai 201315, Peoples R China

[4] Shanghai Res Ctr Quantum Sci, Shanghai 201315, Peoples R China

[5] Shenyang Univ Technol, Sch Sci, Shenyang 110870, Liaoning, Peoples R China

来源：

APPLIED PHYSICS B-LASERS AND OPTICS | 2022年 / 128卷 / 04期

基金：

中国国家自然科学基金; 国家重点研发计划;

关键词：

INJECTION-LOCKING; MODULATION; SENSITIVITY; BEAMS;

D O I：

10.1007/s00340-022-07792-0

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A low noise laser system for atom interferometry is realized with phase-locked fiber lasers, where the performance of the OPLL is greatly enhanced by the FEOM feedback loop and the narrow linewidths. The laser system demonstrated contribute 2.2 mrad per shot to the interferometer noise and permit continuous long-term operation for more than 115 h without relocking in the field test. Also, the mobile gravimeter equipped with this phase-locked laser system reaches a sensitivity as good as 29 mu Gal/root Hz and a resolution of 1.1 mu Gal within 1500 s, demonstrating performances comparable to the state of the art.

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页数：5

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