三能级V型原子自发辐射的双色相位控制

江汉大学学报（自然科学版） ›› 2012, Vol. 40 ›› Issue (3): 41-44.

三能级V型原子自发辐射的双色相位控制

石文星，张立辉

江汉大学物理与信息工程学院，湖北武汉430056

出版日期:2012-06-20 发布日期:2013-11-07

Bichromatic Phase Control of Spontaneous Emissionin a Three-level V-type Atomic System

SHI Wen-xing,ZHANG Li-hui

School of Physics and Information Engineering,Jianghan University,Wuhan 430056,Hubei,China

Online:2012-06-20 Published:2013-11-07

摘要/Abstract

摘要： 利用密度矩阵方程和量子回归理论研究了在一对双色场驱动下的三能级V型原子的自发辐射。研究结果表明，原子的自发辐射强烈依赖于这对双色场的相对相位差，而不依赖于双色场各自相位或相对相位。通过改变场的相对相位差，能够对原子的自发辐射实现选择性抑制或消除。

关键词: 自发辐射, 密度矩阵方程, 共振荧光, 量子回归理论

Abstract: Spontaneous emission of a three－level V－type atom driven by a pair of bichromatic fields on the basis of density matrix equation and quantum regression theories are studied. The results show that the spontaneous emission depends strongly on the difference between the relative phases of two bichromatic fields, without depending on the respective phase or relative phase. Selective elimination of the spontaneous emission can be achieved simply by varying the relative phase difference.

Key words: spontaneous emission, density matrix equation, resonance fluorescence, quantum regression theorem

中图分类号:

O431

石文星，张立辉. 三能级V型原子自发辐射的双色相位控制[J]. 江汉大学学报（自然科学版）, 2012, 40(3): 41-44.

SHI Wen-xing,ZHANG Li-hui. Bichromatic Phase Control of Spontaneous Emissionin a Three-level V-type Atomic System[J]. Journal of Jianghan University(Natural Science Edition), 2012, 40(3): 41-44.

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