Propagation of an Airy-Gaussian beam in defected photonic lattices

被引：5

作者：

Shi, Zhiwei ^{[1
]}

Xue, Jing ^{[2
]}

Zhu, Xing ^{[3
]}

Li, Yang ^{[1
]}

Li, Huagang ^{[3
]}

机构：

[1] Guangdong Univ Technol, Sch Electromech Engn, Guangzhou 510006, Guangdong, Peoples R China

[2] Guangdong Univ Technol, Sch Informat Engn, Guangzhou 510006, Guangdong, Peoples R China

[3] Guangdong Univ Educ, Dept Phys, Guangzhou 510303, Guangdong, Peoples R China

来源：

APPLIED PHYSICS B-LASERS AND OPTICS | 2017年 / 123卷 / 05期

基金：

中国国家自然科学基金;

关键词：

ACCELERATION; DRIVEN;

D O I：

10.1007/s00340-017-6737-4

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We investigate numerically that a finite Airy-Gaussian (AiG) beam varies its trajectory and shape in defected photonic lattices. Propagation properties and beam self-bending are controlled with modulation depth and period of photonic lattices, positive and negative defects, beam distribution factor and nonlinearities. For positive defects, the pseudo-period oscillation and localization of the AiG beam may form under a certain condition, while the beam diffuses in negative defects. Moreover, the solitons may appear during the propagation when the self-focusing nonlinearity is introduced.

引用

页数：10

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