Cavity enhanced measurement of trap frequency in an optical dipole trap

doi:10.1088/1674-1056/28/4/043701

中国物理B ›› 2019, Vol. 28 ›› Issue (4): 43701-043701.doi: 10.1088/1674-1056/28/4/043701

• SPECIAL TOPIC—Recent advances in thermoelectric materials and devices • 上一篇下一篇

Cavity enhanced measurement of trap frequency in an optical dipole trap

Peng-Fei Yang(杨鹏飞), Hai He(贺海), Zhi-Hui Wang(王志辉), Xing Han(韩星), Gang Li(李刚), Peng-Fei Zhang(张鹏飞), Tian-Cai Zhang(张天才)

1 State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China;
2 Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006, China

收稿日期:2019-01-21 修回日期:2019-02-15 出版日期:2019-04-05 发布日期:2019-04-05
通讯作者: Gang Li, Tian-Cai Zhang E-mail:gangli@sxu.edu.cn;tczhang@sxu.edu.cn
基金资助:
Project supported by the National Key Research and Development Program of China (Grant No. 2017YFA0304502), the National Natural Science Foundation of China (Grant Nos. 11634008, 11674203, 11574187, and 61227902), and the Fund for Shanxi “1331 Project” Key Subjects Construction.

Cavity enhanced measurement of trap frequency in an optical dipole trap

Peng-Fei Yang(杨鹏飞)¹, Hai He(贺海)¹, Zhi-Hui Wang(王志辉)¹, Xing Han(韩星)¹, Gang Li(李刚)^1,2, Peng-Fei Zhang(张鹏飞)^1,2, Tian-Cai Zhang(张天才)^1,2

1 State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China;
2 Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006, China

Received:2019-01-21 Revised:2019-02-15 Online:2019-04-05 Published:2019-04-05
Contact: Gang Li, Tian-Cai Zhang E-mail:gangli@sxu.edu.cn;tczhang@sxu.edu.cn
Supported by:
Project supported by the National Key Research and Development Program of China (Grant No. 2017YFA0304502), the National Natural Science Foundation of China (Grant Nos. 11634008, 11674203, 11574187, and 61227902), and the Fund for Shanxi “1331 Project” Key Subjects Construction.

摘要/Abstract

摘要：

We demonstrate a direct, fluorescence-free measurement of the oscillation frequency of cold atoms in an optical dipole trap based on a high-finesse optical cavity strongly coupled to atoms. The parametric heating spectra of the trapped atoms are obtained by recording the transmitted photons from the cavity with the trap depth is modulated by different frequency. Moreover, in our method the oscillation can be observed directly in the time scale. Being compared to the conventional fluorescence-dependent method, our approach avoids uncertainties associated with the illuminating light and auxiliary imaging optics. This method has the potential application of determining the motion of atoms with stored quantum bits or degenerate gases without destroying them.

关键词: cavity QED, oscillation frequency

Abstract:

Key words: cavity QED, oscillation frequency

中图分类号: (Atom traps and guides)

37.10.Gh

42.50.Pq (Cavity quantum electrodynamics; micromasers)

杨鹏飞, 贺海, 王志辉, 韩星, 李刚, 张鹏飞, 张天才. Cavity enhanced measurement of trap frequency in an optical dipole trap[J]. 中国物理B, 2019, 28(4): 43701-043701.

Peng-Fei Yang(杨鹏飞), Hai He(贺海), Zhi-Hui Wang(王志辉), Xing Han(韩星), Gang Li(李刚), Peng-Fei Zhang(张鹏飞), Tian-Cai Zhang(张天才). Cavity enhanced measurement of trap frequency in an optical dipole trap[J]. Chin. Phys. B, 2019, 28(4): 43701-043701.

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Cavity enhanced measurement of trap frequency in an optical dipole trap

Cavity enhanced measurement of trap frequency in an optical dipole trap

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