SPONTANEOUS EMISSION OF QUANTUM-WELL EXCITONS IN PLANAR DIELECTRIC MULTILAYER CAVITIES

被引：12
|
作者：
JORDA, S
机构：
[1] Institut für Theoretische Physik, Universität Regensburg
来源：
SOLID STATE COMMUNICATIONS | 1995年 / 93卷 / 01期
关键词：
QUANTUM WELLS; OPTICAL PROPERTIES;
D O I：
10.1016/0038-1098(94)00728-4
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The spontaneous emission of quantum well excitons may be significantly altered by embedding the quantum well in a microcavity. We present theoretical results for the spontaneous emission based on the quantum field theory of interaction between excitons and electromagnetic eigenmodes of a multilayer dielectric cavity. Depending on the design of the cavity and the in-plane wavevector Q(parallel-to) the emission can be enhanced or inhibited as compared to a QW not embedded in a cavity. We show that in the exciton-pole-approximation the enhancement/inhibition factor is given by the reciprocal normalization constant of the radiative electromagnetic modes.
引用
收藏
页码：45 / 48
页数：4
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