Light bullets in a planar waveguide with quadratic nonlinearity and normal group velocity dispersion

被引：0
|
作者：
Sazonov, S., V [1 ]
Kalinovich, A. A. [1 ]
Zakharova, I. G. [1 ]
Komissarova, M., V [1 ]
机构：
[1] Lomonosov Moscow State Univ, Moscow 119991, Russia
来源：
2018 DAYS ON DIFFRACTION (DD) | 2018年
基金：
俄罗斯科学基金会;
关键词：
SPATIOTEMPORAL SOLITONS;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We study self-similar solutions to the second-harmonic-generation equations in a planar waveguide with transversal inhomogeneity of the refractive index, taking into account the mutual influence of quadratic nonlinearity, second-order diffraction and weak linear dispersion. Both parabolic profile and profile with saturation are investigated. It is demonstrated that waveguide geometry plays the fundamental role for spatio-temporal solitons (light bullets) existence provided that the normal dispersion is at both frequencies.
引用
收藏
页码：269 / 273
页数：5
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