Solitary waves in quadratically nonlinear resonators

被引：96

作者：

Etrich, C

Peschel, U

Lederer, F

机构：

[1] Institut für Festkörpertheorie und Theoretische Optik, Friedrich-Schiller-Universität Jena, Jena, 07743

来源：

PHYSICAL REVIEW LETTERS | 1997年 / 79卷 / 13期

关键词：

D O I：

10.1103/PhysRevLett.79.2454

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We identify two-dimensional stable and unstable bright solitary waves or localized structures in a planar resonator with a quadratically nonlinear medium driven by a field at the fundamental frequency only. These waves are extremely localized while the nonlocal interaction between the fundamental and second harmonics prevents a collapse. To a certain extent they can be regarded as residuals of coexisting hexagon patterns.

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页码：2454 / 2457

页数：4

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