Counter-Rotating Transition Mediated Coherent Effects in Spontaneous Emission in a Three-Level Atom
XU Jun, HU Xiang-Ming
Department of Physics, Huazhong Normal University, Wuhan 430079
Counter-Rotating Transition Mediated Coherent Effects in Spontaneous Emission in a Three-Level Atom
XU Jun;HU Xiang-Ming
Department of Physics, Huazhong Normal University, Wuhan 430079
关键词 ：
32.80.Qk ,
32.80.Wr ,
42.50.Hz
Abstract ： The coherent effects including counter-rotating coupling on spontaneous emission are presented for a microwave driven V-type three-level atom. Novel coherent effects are realized: (i) There is an infinite series of spectral lines, which are separated by the microwave frequency, independent of the separation of the excited states, no matter whether the microwave transition is resonant or not. This is in sharp contrast to the case of the weak coupling, where the spectral interval is mainly determined by the separation of the excited states. (ii) Selective appearance and inhibition of the spectral lines are obtained simply by varying the microwave Rabi frequency. (iii) Spectral lines have a twofold structure. The physical mechanisms are analysed by employing the dressed states representation.
Key words ：
32.80.Qk
32.80.Wr
42.50.Hz
出版日期: 2006-10-01
:
32.80.Qk
(Coherent control of atomic interactions with photons)
32.80.Wr
(Other multiphoton processes)
42.50.Hz
(Strong-field excitation of optical transitions in quantum systems; multiphoton processes; dynamic Stark shift)
引用本文:
XU Jun;HU Xiang-Ming. Counter-Rotating Transition Mediated Coherent Effects in Spontaneous Emission in a Three-Level Atom[J]. 中国物理快报, 2006, 23(10): 2725-2728.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2006/V23/I10/2725
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2006, Vol. 23 
