Noticeable positive Doppler effect on optical bistability in an N-type active Raman gain atomic system

doi:10.1088/1674-1056/21/11/114210

中国物理B ›› 2012, Vol. 21 ›› Issue (11): 114210-114210.doi: 10.1088/1674-1056/21/11/114210

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

Noticeable positive Doppler effect on optical bistability in an N-type active Raman gain atomic system

常增光^a, 钮月萍^b, 张敬涛^a, 龚尚庆^b

a State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China;
b Department of Physics, East China University of Science and Technology, Shanghai 200237, China

收稿日期:2012-02-01 修回日期:2012-04-23 出版日期:2012-10-01 发布日期:2012-10-01
基金资助:
Project supported by the National Natural Science Foundation of China (Grant No. 60978013) and the Shanghai Rising Star Project, China (Grant No. 11QA1407400).

Noticeable positive Doppler effect on optical bistability in an N-type active Raman gain atomic system

Chang Zeng-Guang (常增光)^a, Niu Yue-Ping (钮月萍)^b, Zhang Jing-Tao (张敬涛)^a, Gong Shang-Qing (龚尚庆 )^b

a State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China;
b Department of Physics, East China University of Science and Technology, Shanghai 200237, China

Received:2012-02-01 Revised:2012-04-23 Online:2012-10-01 Published:2012-10-01
Contact: Gong Shang-Qing E-mail:sqgong@siom.ac.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No. 60978013) and the Shanghai Rising Star Project, China (Grant No. 11QA1407400).

摘要/Abstract

摘要： We theoretically investigate the Doppler effect on the optical bistability in an N-type active Raman gain atomic system inside an optical ring cavity. It is shown that the Doppler effect can greatly enhance the dispersion and thus create the bistable behavior or greatly increase the bistable region, which has been known as the positive Doppler effect on the optical bistability. In addition, we find that the positive Doppler effect can change the optical bistability from the hybrid dispersion-gain type to the dispersive type.

关键词: positive Doppler effect, optical bistability, N-type atomic system, active Raman gain

Abstract: We theoretically investigate the Doppler effect on the optical bistability in an N-type active Raman gain atomic system inside an optical ring cavity. It is shown that the Doppler effect can greatly enhance the dispersion and thus create the bistable behavior or greatly increase the bistable region, which has been known as the positive Doppler effect on the optical bistability. In addition, we find that the positive Doppler effect can change the optical bistability from the hybrid dispersion-gain type to the dispersive type.

Key words: positive Doppler effect, optical bistability, N-type atomic system, active Raman gain

中图分类号: (Optical bistability, multistability, and switching, including local field effects)

42.65.Pc

42.50.Gy (Effects of atomic coherence on propagation, absorption, and Amplification of light; electromagnetically induced transparency and Absorption)

常增光, 钮月萍, 张敬涛, 龚尚庆 . Noticeable positive Doppler effect on optical bistability in an N-type active Raman gain atomic system[J]. 中国物理B, 2012, 21(11): 114210-114210.

Chang Zeng-Guang (常增光), Niu Yue-Ping (钮月萍), Zhang Jing-Tao (张敬涛), Gong Shang-Qing (龚尚庆 ). Noticeable positive Doppler effect on optical bistability in an N-type active Raman gain atomic system[J]. Chin. Phys. B, 2012, 21(11): 114210-114210.

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Noticeable positive Doppler effect on optical bistability in an N-type active Raman gain atomic system

Noticeable positive Doppler effect on optical bistability in an N-type active Raman gain atomic system

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