Controllable circular Airy beams via dynamic linear potential

被引：65
作者：
Zhong, Hua [1 ,2 ]
Zhang, Yiqi [1 ,2 ]
Belic, Milivoj R. [3 ]
Li, Changbiao [1 ,2 ]
Wen, Feng [1 ,2 ]
Zhang, Zhaoyang [1 ,2 ]
Zhang, Yanpeng [1 ,2 ]
机构：
[1] Xi An Jiao Tong Univ, Minist Educ, Key Lab Phys Elect & Devices, Xian 710049, Peoples R China
[2] Xi An Jiao Tong Univ, Shaanxi Key Lab Informat Photon Tech, Xian 710049, Peoples R China
[3] Texas A&M Univ Qatar, Sci Program, POB 23874, Doha, Qatar
来源：
OPTICS EXPRESS | 2016年 / 24卷 / 07期
关键词：
ABRUPTLY AUTOFOCUSING BEAMS; NONLINEAR ACCELERATING BEAMS; OPTICAL POTENTIALS; GENERATION; PROPAGATION; INVERSION; SOLITONS; PULSES; MEDIA; WAVES;
D O I：
10.1364/OE.24.007495
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We investigate controllable spatial modulation of circular autofocusing Airy beams, under action of different dynamic linear potentials, both theoretically and numerically. We introduce a novel treatment method in which the circular Airy beam is represented as a superposition of narrow azimuthally-modulated one-dimensional Airy beams that can be analytically treated. The dynamic linear potentials are appropriately designed, so that the autofocusing effect can either be weakened or even eliminated when the linear potential exerts a "pulling" effect on the beam, or if the linear potential exerts a "pushing" effect, the autofocusing effect can be greatly strengthened. Numerical simulations agree with the theoretical results very well. (C) 2016 Optical Society of America
引用
收藏
页码：7495 / 7506
页数：12
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