PREDICTION OF UNIQUE SOLITARY-WAVE POLARITONS IN QUADRATIC-CUBIC NONLINEAR DISPERSIVE MEDIA

被引：36
|
作者：
HAYATA, K
KASHIBA, M
机构：
[1] Department of Electronic Engineering, Hokkaido University
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 1994年 / 11卷 / 12期
关键词：
D O I：
10.1364/JOSAB.11.002581
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A single terahertz electromagnetic pulse that interacts with transverse-optic phonons in a crystal medium is found to have unique features in the presence of both the second- and the third-order nonlinearities. Specifically, for a short pulse with a broad plateau, coexistence is predicted between a bright and a dark polariton. Analytical expressions for the cross-sectional shape and the FWHM of the polariton pulse are derived.
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页码：2581 / 2585
页数：5
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