A High-stability Compact Optical System for Integrating Sphere Cold Atom Clock

被引：0

作者：

Wang, Xiumei ^{[1
]}

He, Jin ^{[1
]}

Wang, Yunjia ^{[2
]}

Wang, Wenming ^{[2
]}

Wang, Yifei ^{[2
]}

Li, Shiguang ^{[2
]}

Wang, Weili ^{[2
]}

Liu, Guodong ^{[2
]}

Zhu, Xi ^{[2
]}

Zhang, Chengyuan ^{[2
]}

Chen, Yanjun ^{[2
]}

Wang, Liang ^{[2
]}

Liu, Yaxuan ^{[2
]}

Gao, Lianshan ^{[2
]}

Chen, Jingbiao ^{[3
]}

机构：

[1] PKU HKUST Shen Zhen Hong Kong Inst, Shen Zhen SoC Key Lab, Shenzhen 518000, Peoples R China

[2] Beijing Inst Radio Measurement & Metrol, Beijing 100857, Peoples R China

[3] Peking Univ, Dept Elect, State Key Lab Adv Opt Commun Syst & Networks, Inst Quantum Elect, Beijing 100871, Peoples R China

来源：

2022 JOINT CONFERENCE OF THE EUROPEAN FREQUENCY AND TIME FORUM AND IEEE INTERNATIONAL FREQUENCY CONTROL SYMPOSIUM (EFTF/IFCS) | 2022年

关键词：

cold atom clock; optical system; laser stabilization; compactness;

D O I：

10.1109/EFTF/IFCS54560.2022.9850811

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A high-stability compact optical system is proposed for integrating sphere cold atom clock. Both an extended cavity diode laser with linewidth of about 50 kHz and a distribution feedback Bragg laser are applied as laser sources. The frequency of the former is locked with high frequency stability of the 10(-13) level between 1 similar to 10(4)s averaging time. A new scheme of laser frequency stabilization and shift is realized and the laser power is stabilized to the 10(-5) level between 1 similar to 10(4)s averaging time. The reasonable arrangement of the optical paths enables a compact system with a total size of 500mmx500mmx200mm.

引用

页数：4

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