Dynamics of dark solitons localized at structural defect in one-dimensional photonic lattices with defocusing saturable nonlinearity

被引：11
|
作者：
Belicev, Petra P. [1 ]
Gligoric, Goran [1 ]
Maluckov, Aleksandra [1 ]
Stepic, Milutin [1 ]
机构：
[1] Univ Belgrade, Vinca Inst Nucl Sci, Grp P, Belgrade 11001, Serbia
来源：
EPL | 2013年 / 104卷 / 01期
关键词：
OPTICAL SPATIAL SOLITONS; PHASE-SLIP DEFECTS; SCHRODINGER-EQUATION; DISCRETE SOLITONS; GUIDE; MODES; LIGHT;
D O I：
10.1209/0295-5075/104/14006
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We investigated the influence of the structural defect placed inside uniform photonic lattice on existence and dynamics of dark spatially localized defect modes. Depending on the strength of the defect and considering the lattice with defocusing saturable nonlinearity, we found two different types of dark solutions to exist. Their stability and dynamical properties are shown to be affected by the defect as well. Copyright (C) EPLA, 2013
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页数：6
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