Bloch function approach for parametric gap solitons

被引:25
作者
Conti, C [1 ]
Trillo, S [1 ]
Assanto, G [1 ]
机构
[1] TERZA UNIV ROME,DIPARTIMENTO INGN ELETTR,I-00146 ROME,ITALY
关键词
D O I
10.1364/OL.22.000445
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Using a Bloch function approach, we predict the existence of parametric gap solitary waves in a grating structure with quadratic nonlinearity. These waves consist of mutually trapped envelopes at the fundamental frequency and at the second harmonic, which are not sustained by any equivalent cubic nonlinearity. (C) 1997 Optical Society of America.
引用
收藏
页码:445 / 447
页数:3
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