Corrections to coupled mode theory for deep gratings

被引：38

作者：

Iizuka, T ^{[1
]}

de Sterke, CM

机构：

[1] Australian Natl Univ, Res Sch Phys Sci & Engn, Ctr Opt Sci, Canberra, ACT 0200, Australia

[2] Ehime Univ, Fac Sci, Dept Phys, Matsuyama, Ehime 7908577, Japan

[3] Univ Sydney, Sch Phys, Sydney, NSW 2006, Australia

[4] Univ Sydney, Opt Fiber Technol Ctr, Sydney, NSW 2006, Australia

来源：

PHYSICAL REVIEW E | 2000年 / 61卷 / 04期

关键词：

D O I：

10.1103/PhysRevE.61.4491

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

We generalize the standard coupled mode equations describing interactions between forward and backward propagating waves in a nonlinear optical Bragg grating. Including the lowest order corrections of the grating depth, we obtain a Hamiltonian system that can be regarded as an extension of the usual coupled mode equations for shallow gratings. The results are consistent with existing results based on a Bloch wave expansion. We also obtain exact traveling solitary wave solutions, that can be regarded as a generalized gap soliton, modified by the grating's depth.

引用

页码：4491 / 4499

页数：9

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