克尔双周期PT对称光晶格中的空间光孤子

J4 ›› 2014, Vol. 31 ›› Issue (4): 507-512.

• 《量子电子学报》创刊三十周年纪念专辑 • 上一篇

克尔双周期PT对称光晶格中的空间光孤子

林恰武, 谢庆文, 罗质华, 石智伟, 李华刚

安徽工业大学电气与信息工程学院，安徽马鞍山 243032

出版日期:2014-07-28 发布日期:2014-07-30
通讯作者: 林恰武 (1980-)广东人，硕士，从事激光传输的理论研究。 E-mail:linqiawu@gdei.edu.cn
基金资助:
中国博士后科学基金（批准号：2013M531822）和广东省自然科学基金(S2012040007188)资助课题

Spatial solitons in Kerr dual-periodic PT-symmetric optical lattices

Lin Qiawu, Xie Qingwen, Luo Zhihua, Shi Zhiwei, Li Huagang

1 Department of Physics, Guangdong university of Education, Guangzhou 510303, China； 2 School of Information Engineering, Guangdong University of Technology, Guangzhou 510006, China

Published:2014-07-28 Online:2014-07-30

摘要/Abstract

摘要： 数值研究了克尔双周期Parity-time对称光晶格中能存在的空间光孤子。通过平面波展开法详细研究了此光晶格的带隙结构并获得其相变点。数值研究了此光晶格中能存在的空间光孤子及其传播稳定性。数值结果显示位于不同周期波导上的空间光孤子其稳定性区间不同。

关键词: 非线性光学；克尔介质；Parity-time对称光晶格；空间光孤子；稳定性

Abstract: Spatial solitons were numerically studied in Kerr dual-periodic PT-symmetric optical lattices. The bandgap structures of this optical lattices are gained by using plane wave expansion method, and the phase transition point is gained at the same time. The existence and stability of the spatial solitons are numerically studied in this optical lattices. Numerical results showed that the stable range of the solitons located on different period waveguide is different.

Key words: Nonlinear optics; Kerr medium; Parity-time symmetric optical lattice; spatial soliton; stability

中图分类号:

O437

林恰武, 谢庆文, 罗质华, 石智伟, 李华刚. 克尔双周期PT对称光晶格中的空间光孤子 [J]. J4, 2014, 31(4): 507-512.

Lin Qiawu, Xie Qingwen, Luo Zhihua, Shi Zhiwei, Li Huagang. Spatial solitons in Kerr dual-periodic PT-symmetric optical lattices[J]. J4, 2014, 31(4): 507-512.

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克尔双周期PT对称光晶格中的空间光孤子

Spatial solitons in Kerr dual-periodic PT-symmetric optical lattices

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