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
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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收藏
页码:2581 / 2585
页数:5
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