Light amplification and attenuation in stratified structures with a complex refractive index

被引：1
|
作者：
Bulgakov, SA [1 ]
Nieto-Vesperinas, M [1 ]
机构：
[1] CSIC, Inst Ciencia Mat, E-28049 Madrid, Spain
来源：
WAVES IN RANDOM MEDIA | 2000年 / 10卷 / 03期
关键词：
D O I：
10.1088/0959-7174/10/3/304
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We report a new kind of laser-threshold resonance in electromagnetic wave propagation inside a layered medium. Specifically, for large values of the gain coefficient, the wave interaction with only the first few lattice interfaces results in transmission and reflection values of much greater than unity. We also show that the duality phenomenon between losses and gains on the field amplitude decay is due to the existence of counterpropagating waves on reflection from the layer interfaces.
引用
收藏
页码：373 / 380
页数：8
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