SPONTANEOUS EMISSION IN THE PRESENCE OF A DIELECTRIC SLAB

被引：28

作者：

ZAKOWICZ, W

BLEDOWSKI, A

机构：

[1] Institute of Physics, Polish Academy of Sciences, Warsaw 02-668

来源：

PHYSICAL REVIEW A | 1995年 / 52卷 / 02期

关键词：

D O I：

10.1103/PhysRevA.52.1640

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The spontaneous emission of photons by an atom placed near the dielectric slab is analyzed using global free electromagnetic modes, satisfying necessary continuity conditions at the slab boundaries. These modes include the modes extended over the whole space (traveling) and the modes trapped to a waveguide formed by the slab (trapped). To describe angular properties of spontaneous emission a parametrization of the traveling modes by the outgoing waves has been proposed. Angular characteristics of the traveling photon emission, distributions of the trapped photon emission, as well as global decay rates have been calculated using the quantum approach and standard perturbation theory. Enhancement and suppression of radiative decay rates in various configurations have been shown. A certain calculational error in an earlier paper by Khosravi and Loudon [Proc. R. Soc. London Ser. A 438, 373 (1992)] affecting thin slabs and results near waveguide-mode thresholds has been improved.

引用

页码：1640 / 1650

页数：11

共 11 条

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