Bragg solitons in nonlocal nonlinear media

被引：18
|
作者：
Lin, YuanYao [1 ]
Lee, Ray-Kuang [1 ]
Malomed, Boris A. [2 ]
机构：
[1] Natl Tsing Hua Univ, Inst Photon Technol, Hsinchu 300, Taiwan
[2] Tel Aviv Univ, Fac Engn, Sch Elect Engn, Dept Phys Elect, IL-69978 Tel Aviv, Israel
来源：
PHYSICAL REVIEW A | 2009年 / 80卷 / 01期
关键词：
GAP SOLITONS; OSCILLATORY INSTABILITIES; STABILITY; CRYSTALS;
D O I：
10.1103/PhysRevA.80.013838
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We derive nonlocal coupled-mode equations for a Bragg grating embedded in a medium with nonlocal nonlinearity. Using these equations, we study the oscillatory instability of nonlocal Bragg solitary waves and demonstrate that collisions between them result in fusion into a standing pulse (or breather), possibly with generation of additional jets, in a broad range of parameters. The results are explained by considering the effect of spatial dispersion induced by the nonlocal nonlinear response.
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页数：7
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