Suppression of transverse instabilities of dark solitons and their dispersive shock waves

被引：41
|
作者：
Armaroli, Andrea [1 ]
Trillo, Stefano [1 ]
Fratalocchi, Andrea [2 ]
机构：
[1] Univ Ferrara, Dipartimento Ingn, I-44100 Ferrara, Italy
[2] Univ Rome Sapienza, Dipartimento Fis, I-00185 Rome, Italy
来源：
PHYSICAL REVIEW A | 2009年 / 80卷 / 05期
关键词：
optical solitons; shock waves; SNAKE INSTABILITY; SPATIAL SOLITONS; NONLINEAR MEDIA; PROPAGATION; STABILITY; BREAKING; PULSES; BEAMS;
D O I：
10.1103/PhysRevA.80.053803
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We investigate the impact of nonlocality, owing to diffusive behavior, on transverse instabilities of a dark stripe propagating in a defocusing cubic medium. The nonlocal response turns out to have a strongly stabilizing effect both in the case of a single soliton input and in the regime where dispersive shock waves develop (multisoliton regime). Such conclusions are supported by the linear stability analysis and numerical simulation of the propagation.
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页数：8
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