Dressed states for a multilevel atom and localized field in a photonic band-gap crystal

被引：20

作者：

Huang, H ^{[1
]}

Lu, XH

Zhu, SY

机构：

[1] Tsinghua Univ, Dept Modern Appl Phys, Beijing 100084, Peoples R China

[2] Hong Kong Baptist Univ, Dept Phys, Kowloon, Peoples R China

[3] Univ Rochester, Rochester Theory Ctr Opt Sci & Engn, Rochester, NY 14627 USA

来源：

PHYSICAL REVIEW A | 1998年 / 57卷 / 06期

关键词：

D O I：

10.1103/PhysRevA.57.4945

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An excited atom in a photonic band-gap crystal can emit a photon that is then reabsorbed and reemitted by the atom, to form a dressed atom-field state. We discuss the existence conditions for such a trapped photon dressed state with a general multilevel atom driven by coherent fields and show that more than one such trapped state can exist. The field characteristics of the trapped field and the population trapped in the excited state are studied for various atomic systems. It is found that the driving field can determine the spread and energy of the trapped field, as well as the number of possible trapped dressed states.

引用

页码：4945 / 4951

页数：7

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