Spontaneous radiation and lamb shift in three-dimensional photonic crystals

被引：162

作者：

Zhu, SY ^{[1
]}

Yang, YP

Chen, H

Zheng, H

Zubairy, MS

机构：

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

[2] Shanghai Jiao Tong Univ, Dept Appl Phys, Shanghai 200030, Peoples R China

[3] Tong Ji Univ, Dept Phys, Shanghai 200030, Peoples R China

[4] Quaid I Azam Univ, Dept Elect, Islamabad, Pakistan

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 84卷 / 10期

关键词：

D O I：

10.1103/PhysRevLett.84.2136

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Spontaneous emission in photonic crystals with anisotropic three-dimensional dispersion relation is studied. If the upper level is below a characteristic frequency omega(1), or above omega(2), or between omega(1) and omega(2), the radiation is a localized field with a frequency in the band gap, or a propagating field with a frequency in the band, or a diffusion field, respectively An analytical expression for the Lamb shift Is obtained. The Lamb shift for the current case is small compared to that in an ordinary vacuum or in one- or two-dimensional photonic crystals due to lower density of states.

引用

页码：2136 / 2139

页数：4

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