Impurity solitons with quadratic nonlinearities

被引：5
|
作者：
Clausen, CB
Torres, JP
Torner, L
机构：
[1] Univ Politecn Cataluna, Dept Signal Theory & Commun, Lab Photon, ES-08034 Barcelona, Spain
[2] Tech Univ Denmark, Dept Math Modelling, DK-2800 Lyngby, Denmark
来源：
PHYSICS LETTERS A | 1998年 / 249卷 / 5-6期
关键词：
solitons; stability; impurities; disorder; nonlinearity;
D O I：
10.1016/S0375-9601(98)00801-9
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We fmd families of solitary waves mediated by parametric mixing in quadratic nonlinear media that are localized at point-defect impurities. Solitons localized at attractive impurities are found to be dynamically stable. It is shown that localization at the impurity modifies strongly the soliton properties. (C) 1998 Elsevier Science B.V.
引用
收藏
页码：455 / 458
页数：4
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