基于锁相环路的拉曼激光制备及其相位噪声研究

J4 ›› 2018, Vol. 35 ›› Issue (4): 402-407.

基于锁相环路的拉曼激光制备及其相位噪声研究

曹雷，鲁思滨，王锴，姚战伟，李润兵，王谨，詹明生

1中国科学院武汉物理与数学研究所波谱与原子分子物理国家重点实验室，湖北武汉 430071； 2中国科学院冷原子物理中心，湖北武汉 430071； 3中国科学院大学，北京 100049

收稿日期:2017-04-24 修回日期:2017-05-20 出版日期:2018-07-28 发布日期:2018-07-12
通讯作者: 李润兵（1978-），甘肃天水人，博士，研究员，博士生导师，主要从事冷原子物理及其原子干涉仪应用技术研究。 E-mail:rbli@wipm.ac.cn
作者简介:曹雷（1991-），湖北红安人，研究生，主要从事原子干涉仪应用技术研究。E-mail:1173205757@qq.com

Investigation of preparation and phase noise of Raman laser based on optical phase-locked loop

CAO Lei , LU Sibing, Wang Kai , YAO Zhanwei , LI Runbing, WANG Jin, ZHAN Mingsheng

1 State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, China; 2 Center for Cold Atom Physics, Chinese Academy of Sciences, Wuhan 430071, China; 3 University of Chinese Academy of Sciences, Beijing 100049, China

Received:2017-04-24 Revised:2017-05-20 Published:2018-07-28 Online:2018-07-12
Supported by:
Supported by National Natural Science Foundation of China（国家自然科学基金, 11674362), National Key Reseach and Development Program of China（国家重点研发计划, 2016YFA0302002)

摘要/Abstract

摘要：

原子干涉仪在精密测量和惯性导航领域都有着重要前景，而高精度的原子干涉仪对低相位噪声、高输出功率的拉曼激光有迫切需求。设计了基于光学锁相环路的双波长激光同步注入放大拉曼激光制备方案，实现了大功率拉曼激光的制备，拉曼光注入放大前后的相位噪声均低于-80 dBc@0.01?1 MHz，输出总功率达到了400 mW，可满足原子干涉精密测量的需求。

关键词: 原子干涉仪；锁相环路；拉曼激光；相位噪声

Abstract:

Atom interferometry has important prospect in the precise measurement and inertial navigation fields. The high-precision atom interferometer has an urgent need for Raman lasers with low phase noise and high output power. A dual-wavelength synchronous injection-amplification Raman laser preparation scheme based on optical phase-locked loop is designed, and the preparation of high-power Raman laser is achieved. The phase noises of Raman lasers before and after amplification are both below -80 dBc @ 0.01?1 MHz, and the total output power reaches 400 mW, which can meet the needs of atom interferometer based precision measurement.

Key words: atom interferometer；phase-locked loop；Raman laser；phase noise

曹雷，鲁思滨，王锴，姚战伟，李润兵，王谨，詹明生. 基于锁相环路的拉曼激光制备及其相位噪声研究[J]. J4, 2018, 35(4): 402-407.

CAO Lei , LU Sibing, Wang Kai , YAO Zhanwei , LI Runbing, WANG Jin, ZHAN Mingsheng. Investigation of preparation and phase noise of Raman laser based on optical phase-locked loop[J]. J4, 2018, 35(4): 402-407.

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