Evolution of Dark Spatial Soliton in Quasi-phase-matched Quadratic Media

被引：0
|
作者：
WANG Fei-Yu
CHEN Xian-Feng
CHEN Yu-Ping
YANG Yi
XIA Yu-Xing Department of Physics
机构：
来源：
Communications in Theoretical Physics | 2005年 / 43卷 / 04期
基金：
中国国家自然科学基金;
关键词：
dark spatial soliton; cascaded quadratic nonlinearity;
D O I：
暂无
中图分类号：
O572.2 [粒子物理学];
学科分类号：
070202 ;
摘要：
We theoretically investigate the evolvement of dark spatial soliton with cascading quadratic nonlinearityin quasi-phase-matched second harmonic generation. It is shown that the dark solitary wave can propagate stablywhen background intensity is large enough, in which diffraction of beam can be balanced by the cascading quadraticnonlinearity. We also analyze the influence of phase-mismatch on the stability of dark soliton propagation.
引用
收藏
页码：732 / 734
页数：3
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