Characterizing passive coherent population trapping resonance in cesium vapor cell filled with neon as buffer gas

doi:10.1088/1674-1056/22/4/043201

Chin. Phys. B ›› 2013, Vol. 22 ›› Issue (4): 43201-043201.doi: 10.1088/1674-1056/22/4/043201

• ATOMIC AND MOLECULAR PHYSICS • 上一篇下一篇

Characterizing passive coherent population trapping resonance in cesium vapor cell filled with neon as buffer gas

刘智, 王杰英, 刁文婷, 何军, 王军民

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

收稿日期:2012-12-07 修回日期:2013-01-11 出版日期:2013-03-01 发布日期:2013-03-01
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 11274213, 61205215, 61078051, and 612279002), the National Major Scientific Research Program of China (Grant No. 2012CB921601), the Research Project for Returned Abroad Scholars from Universities of Shanxi Province, China (Grant No. 2012-015), and the Project for Excellent Research Team of the National Natural Science Foundation of China (Grant No. 61121064).

Characterizing passive coherent population trapping resonance in cesium vapor cell filled with neon as buffer gas

Liu Zhi (刘智), Wang Jie-Ying (王杰英), Diao Wen-Ting (刁文婷), He Jun (何军), Wang Jun-Min (王军民)

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

Received:2012-12-07 Revised:2013-01-11 Online:2013-03-01 Published:2013-03-01
Contact: Wang Jun-Min E-mail:wwjjmm@sxu.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 11274213, 61205215, 61078051, and 612279002), the National Major Scientific Research Program of China (Grant No. 2012CB921601), the Research Project for Returned Abroad Scholars from Universities of Shanxi Province, China (Grant No. 2012-015), and the Project for Excellent Research Team of the National Natural Science Foundation of China (Grant No. 61121064).

摘要/Abstract

摘要： We present a pair of phase-locked lasers with a 9.2-GHz frequency difference by injection locking of a master laser to an RF-modulation sideband of a slave diode laser. Using this laser system, the coherent population trapping (CPT) signal with a typical linewidth of ～ 182 Hz is obtained in a Cs vapor cell filled with 30 Torr (4 kPa) of neon (Ne) as buffer gas. We investigate the influence of the partial pressure of Ne buffer gas on the CPT linewidth, amplitude, and frequency shift. The results may offer some references for CPT atomic clock and CPT atomic magnetometer.

关键词: coherent population trapping (CPT), phase locking of two-color lasers, cesium (Cs) vapor cell, buffer gas

Abstract: We present a pair of phase-locked lasers with a 9.2-GHz frequency difference by injection locking of a master laser to an RF-modulation sideband of a slave diode laser. Using this laser system, the coherent population trapping (CPT) signal with a typical linewidth of ～ 182 Hz is obtained in a Cs vapor cell filled with 30 Torr (4 kPa) of neon (Ne) as buffer gas. We investigate the influence of the partial pressure of Ne buffer gas on the CPT linewidth, amplitude, and frequency shift. The results may offer some references for CPT atomic clock and CPT atomic magnetometer.

Key words: coherent population trapping (CPT), phase locking of two-color lasers, cesium (Cs) vapor cell, buffer gas

中图分类号: (Line shapes, widths, and shifts)

32.70.Jz

32.80.Qk (Coherent control of atomic interactions with photons)

刘智, 王杰英, 刁文婷, 何军, 王军民. Characterizing passive coherent population trapping resonance in cesium vapor cell filled with neon as buffer gas[J]. Chin. Phys. B, 2013, 22(4): 43201-043201.

Liu Zhi (刘智), Wang Jie-Ying (王杰英), Diao Wen-Ting (刁文婷), He Jun (何军), Wang Jun-Min (王军民). Characterizing passive coherent population trapping resonance in cesium vapor cell filled with neon as buffer gas[J]. Chin. Phys. B, 2013, 22(4): 43201-043201.

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Characterizing passive coherent population trapping resonance in cesium vapor cell filled with neon as buffer gas

Characterizing passive coherent population trapping resonance in cesium vapor cell filled with neon as buffer gas

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