Autler–Townes doublet in the absorption spectra for the transition between excited states of cold cesium atoms

doi:10.1088/1674-1056/19/11/113207

中国物理B ›› 2010, Vol. 19 ›› Issue (11): 113207-113209.doi: 10.1088/1674-1056/19/11/113207

• ATOMIC AND MOLECULAR PHYSICS • 上一篇下一篇

Autler–Townes doublet in the absorption spectra for the transition between excited states of cold cesium atoms

梁强兵, 杨保东, 杨建峰, 张天才, 王军民

State Key Laboratory of Quantum Optics and Quantum Optics Devices, and Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China

收稿日期:2009-09-14 修回日期:2010-03-07 出版日期:2010-11-15 发布日期:2010-11-15
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 60978017, 61078051, 10974125, and 60821004), the NCET Project from the Education Ministry of China (Grant No. NCET-07-0524), and the Specialized Research Fund for the Doctoral Program of China (Grant No. 20070108003).

Autler–Townes doublet in the absorption spectra for the transition between excited states of cold cesium atoms

Liang Qiang-Bing(梁强兵), Yang Bao-Dong(杨保东), Yang Jian-Feng(杨建峰), Zhang Tian-Cai(张天才), and Wang Jun-Min(王军民)^†

State Key Laboratory of Quantum Optics and Quantum Optics Devices, and Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China

Received:2009-09-14 Revised:2010-03-07 Online:2010-11-15 Published:2010-11-15
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 60978017, 61078051, 10974125, and 60821004), the NCET Project from the Education Ministry of China (Grant No. NCET-07-0524), and the Specialized Research Fund for the Doctoral Program of China (Grant No. 20070108003).

摘要/Abstract

摘要： Autler-Townes splitting in absorption spectra of the excited states 6 ²P_3/2 - 8²S_1/2 of cold cesium atoms confined in a magneto-optical trap has been observed. Experimental data of the Autler-Townes splitting fit well to the dressed-atom theory, by which the fact of the cold atoms dressed by cooling/trapping laser beams is revealed. The results of the theoretical fitting with experiment not only told us the effective Rabi frequency cold atoms experienced, but also could be used for measuring the probability amplitudes of the dressed states.

Abstract: Autler-Townes splitting in absorption spectra of the excited states 6 ²P_3/2 - 8²S_1/2 of cold cesium atoms confined in a magneto-optical trap has been observed. Experimental data of the Autler–Townes splitting fit well to the dressed-atom theory, by which the fact of the cold atoms dressed by cooling/trapping laser beams is revealed. The results of the theoretical fitting with experiment not only told us the effective Rabi frequency cold atoms experienced, but also could be used for measuring the probability amplitudes of the dressed states.

Key words: Autler–Townes doublet, dressed state, Rabi frequency, probability amplitude

中图分类号: (Calculations and mathematical techniques in atomic and molecular physics)

31.15.-p

32.60.+i (Zeeman and Stark effects) 37.10.De (Atom cooling methods) 37.10.Vz (Mechanical effects of light on atoms, molecules, and ions)

梁强兵, 杨保东, 杨建峰, 张天才, 王军民. Autler–Townes doublet in the absorption spectra for the transition between excited states of cold cesium atoms[J]. 中国物理B, 2010, 19(11): 113207-113209.

Liang Qiang-Bing(梁强兵), Yang Bao-Dong(杨保东), Yang Jian-Feng(杨建峰), Zhang Tian-Cai(张天才), and Wang Jun-Min(王军民). Autler–Townes doublet in the absorption spectra for the transition between excited states of cold cesium atoms[J]. Chin. Phys. B, 2010, 19(11): 113207-113209.

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Autler–Townes doublet in the absorption spectra for the transition between excited states of cold cesium atoms

Autler–Townes doublet in the absorption spectra for the transition between excited states of cold cesium atoms

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