2ND-HARMONIC GENERATION IN ABSORPTIVE MEDIA

被引：17
|
作者：
ALMOGY, G
YARIV, A
机构：
[1] California Institute of Technology, Pasadena, CA
来源：
OPTICS LETTERS | 1994年 / 19卷 / 22期
关键词：
D O I：
10.1364/OL.19.001828
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The solution of the coupled-wave equations for second-harmonic generation in a near-resonant three-level system is extended to include absorption. It is shown, within second-order perturbation theory, that double resonance is the optimal conversion condition, despite absorption enhancement. We extend the solution numerically, using nonperturbative susceptibilities derived within the rotating-wave approximation, to saturating intensities and discuss the modifications to the perturbative conclusions as well as the regimes of validity for the various approximations.
引用
收藏
页码：1828 / 1830
页数：3
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