Theory of optical spontaneous emission rates in layered structures

被引:12
作者
Hoekstra, HJWM [1 ]
Elrofai, HBH [1 ]
机构
[1] Univ Twente, MESA Res Inst, Fac Elect Engn Math & Informat, IOMS Grp, NL-7500 AE Enschede, Netherlands
来源
PHYSICAL REVIEW E | 2005年 / 71卷 / 04期
关键词
D O I
10.1103/PhysRevE.71.046609
中图分类号
O35 [流体力学]; O53 [等离子体物理学];
学科分类号
070204 ; 080103 ; 080704 ;
摘要
This paper presents expressions for the optical power and fields radiated by an oscillating dipole in layered structures, with loss or gain, that are easy to evaluate. For structures without loss or gain, it is discussed that the radiated power is a direct measure for the local density of modes, whereas for structures with loss or gain, this correspondence no longer holds due to interaction between the dipole and evanescent modes. The presented theory is illustrated with a number of examples.
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页数:10
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