横向非周期性调制Kerr介质中的空间光孤子

J4 ›› 2012, Vol. 29 ›› Issue (2): 204-208.

横向非周期性调制Kerr介质中的空间光孤子

高洁,房丽敏,李华刚

广东第二师范学院物理系，广东广州 510303

收稿日期:2011-06-03 修回日期:2011-07-27 出版日期:2012-03-28 发布日期:2012-02-28
通讯作者: 高洁（1970-），安徽六安人，硕士，讲师。主要研究方向为基础光学、非线性光学、光子晶体、物理教育等。 E-mail:gi607_2000@gdei.edu.cn

Spatial optical solitons in Kerr medium with transverse nonperiodic modulation

GAO Jie, FANG Li-min, LI Hua-gang

Department of Physics, Guangdong University of Education, Guangzhou 510303, China

Received:2011-06-03 Revised:2011-07-27 Published:2012-03-28 Online:2012-02-28

摘要/Abstract

摘要：

数值方法研究了横向非周期调制Kerr介质中所支持的空间光孤子。数值模拟结果显示研究模型存在三种类型空间光孤子：低功率下的双峰孤子、高功率下的基本孤子和稳定传输的双极孤子。应用线性稳定性分析方法研究了三种类型空间光孤子的稳定传输的稳定谱,总结出三种类型光孤子稳定传输的条件。

关键词: 非线性光学, 空间光孤子, 数值模拟, 稳定性, 光传输

Abstract:

Spatial optical solitons have been studied in Kerr medium with transverse nonperiodic modulation by numerical method. The results of numerical simulation show that there are three kinds of spatial optical solitons. They are petronas soliton ,basic soliton under the low or high power of light respectively,and bipolar soliton characterized by intrinsic stability. The stability analysis of the three kinds of spatial optical solitons based on the linear stability is carried out to obtain the stable spectrum in stable transmission, which makes it convenient to generalize conditions for stable transmission of optical propagation.

Key words: nonlinear optics, spatial optical solitons, numerical simulation, stability, optical propagation

中图分类号:

O437

高洁房丽敏李华刚. 横向非周期性调制Kerr介质中的空间光孤子[J]. J4, 2012, 29(2): 204-208.

GAO Jie, FANG Li-min, LI Hua-gang. Spatial optical solitons in Kerr medium with transverse nonperiodic modulation[J]. J4, 2012, 29(2): 204-208.

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