Doubly resonant Bragg simultons via second-harmonic generation

被引：117

作者：

Conti, C ^{[1
]}

Trillo, S ^{[1
]}

Assanto, G ^{[1
]}

机构：

[1] TERZA UNIV ROME,DIPARTIMENTO INGN ELETTR,I-00146 ROME,ITALY

来源：

PHYSICAL REVIEW LETTERS | 1997年 / 78卷 / 12期

关键词：

D O I：

10.1103/PhysRevLett.78.2341

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We predict that the combined effect of quadratic nonlinearity and dispersion induced by a periodic variation of the linear susceptibility can give rise to simultaneous localization of counterpropagating waves at different carrier frequencies, in the form of two envelope solitary waves (i.e., gap or Bragg resonance simultons). Our predictions stemming from an analytical approach are confirmed numerically with finite boundary conditions in a variety of qualitatively different situations.

引用

页码：2341 / 2344

页数：4

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