Experimental observation of pump-probe spectra of caesium D2 line with a vapour cell

doi:10.1088/1009-1963/14/6/011

中国物理B ›› 2005, Vol. 14 ›› Issue (6): 1120-1124.doi: 10.1088/1009-1963/14/6/011

Experimental observation of pump-probe spectra of caesium D₂ line with a vapour cell

王彦华, 杨海菁, 张天才, 王军民

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

收稿日期:2004-11-25 修回日期:2005-01-21 出版日期:2005-05-27 发布日期:2005-05-27
基金资助:
This work is financially supported by the National Natural Science Foundation of China (approval numbers: 10434080, 10374062), by Key Scientific Project of Education Ministry of China (project number: 204019), by the Research Funds for Youth Academic Lead

Experimental observation of pump-probe spectra of caesium D₂ line with a vapour cell

Wang Yan-Hua (王彦华), Yang Hai-Jing (杨海菁), Zhang Tian-Cai (张天才), Wang Jun-Min (王军民)

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

Received:2004-11-25 Revised:2005-01-21 Online:2005-05-27 Published:2005-05-27
Supported by:
This work is financially supported by the National Natural Science Foundation of China (approval numbers: 10434080, 10374062), by Key Scientific Project of Education Ministry of China (project number: 204019), by the Research Funds for Youth Academic Lead

摘要/Abstract

摘要： Pump-probe spectra of cesium (Cs) D2 line are experimentally investigated in a Cs atomic vapor cell with co-propagating orthogonal linearly-polarized pump and probe laser beams. Absorption-reduction dips duo to electromagnetically induced transparency (EIT) in multi-Λ-type Zeeman sublevels of 6 S1/2 F=3 – 6 P3/2 F’=2 hyperfine transition and absorption-enhanced peaks due to electromagnetically induced absorption (EIA) in 6 S1/2 F=4 – 6 P3/2 F’=5 hyperfine transition are demonstrated. With detuned pump beam abnormal sign-reversed signals inside the EIT dip and the EIA peak are clearly observed.

关键词: pump-probe spectroscopy, cesium atoms, atomic coherence, electromagnetically induced transparency (EIT), electromagnetically induced absorption (EIA)

Abstract: Pump-probe spectra of cesium (Cs) D₂ line are experimentally investigated in a Cs atomic vapor cell with co-propagating orthogonal linearly-polarized pump and probe laser beams. Absorption-reduction dips duo to electromagnetically induced transparency (EIT) in multi-$\Lambda$-type Zeeman sublevels of 6 S_1/2 F=3 – 6 P_3/2 F’=2 hyperfine transition and absorption-enhanced peaks due to electromagnetically induced absorption (EIA) in 6 S_1/2 F=4 – 6 P_3/2 F’=5 hyperfine transition are demonstrated. With detuned pump beam abnormal sign-reversed signals inside the EIT dip and the EIA peak are clearly observed.

Key words: pump-probe spectroscopy, caesium atoms, atomic coherence, electromagnetically induced transparency (EIT), electromagnetically induced absorption (EIA)

中图分类号: (Effects of atomic coherence on propagation, absorption, and Amplification of light; electromagnetically induced transparency and Absorption)

42.50.Gy

32.80.-t (Photoionization and excitation) 32.60.+i (Zeeman and Stark effects) 32.30.-r (Atomic spectra?)

王彦华, 杨海菁, 张天才, 王军民. Experimental observation of pump-probe spectra of caesium D₂ line with a vapour cell[J]. 中国物理B, 2005, 14(6): 1120-1124.

Wang Yan-Hua (王彦华), Yang Hai-Jing (杨海菁), Zhang Tian-Cai (张天才), Wang Jun-Min (王军民). Experimental observation of pump-probe spectra of caesium D₂ line with a vapour cell[J]. Chinese Physics, 2005, 14(6): 1120-1124.

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Experimental observation of pump-probe spectra of caesium D₂ line with a vapour cell

Experimental observation of pump-probe spectra of caesium D₂ line with a vapour cell

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