Solitary-wave vortices in quadratic nonlinear media

被引：40
|
作者：
Torres, JP [1 ]
Soto-Crespo, JM [1 ]
Torner, L [1 ]
Petrov, DV [1 ]
机构：
[1] Univ Politecn Catalunya, Dept Signal Theory & Commun, ES-08034 Barcelona, Spain
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 1998年 / 15卷 / 02期
关键词：
D O I：
10.1364/JOSAB.15.000625
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We find families of vortex solitary waves in bulk quadratic nonlinear media under conditions for second-harmonic generation. We show that the vortex solitary waves are azimuthally unstable and that they decay into sets of stable spatial solitons. We calculate the growth rates of the azimuthal perturbations and show how those affect the pattern of output light. (C) 1998 Optical Society of America.
引用
收藏
页码：625 / 627
页数：3
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