Spatiotemporal sharply autofocused dual-Airy-ring Airy Gaussian vortex wave packets

被引：26
作者：
Zhuang, Jingli [1 ]
Deng, Dongmei [1 ]
Chen, Xingyu [1 ]
Zhao, Fang [1 ]
Peng, Xi [1 ]
Li, Dongdong [1 ]
Zhang, Liping [1 ]
机构：
[1] South China Normal Univ, Guangdong Prov Key Lab Nanophoton Funct Mat & Dev, Guangzhou 510631, Guangdong, Peoples R China
来源：
OPTICS LETTERS | 2018年 / 43卷 / 02期
基金：
中国国家自然科学基金;
关键词：
BEAMS; DYNAMICS;
D O I：
10.1364/OL.43.000222
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Here we investigate the propagation properties of spatiotemporal sharply autofocused single-Airy-ring Airy Gaussian vortex (AiRAiGV) and dual-Airy-ring Airy Gaussian vortex (dAiRAiGV) wave packets by solving the ( 3 + 1) D Schrodinger equation in free space. We can change the spatial part of the wave packets into Airy or Gaussian distribution by choosing the different spatial distribution factors b(s). In particular, only when the shape of the pulses is set well with appropriate temporal distribution factor b(t) and initial velocity v in the temporal domain, dAiRAiGV wave packets can simultaneously autofocus in the spatial and temporal domains and the peak intensity is increased dozens of times at the focus more than that at the initial plane. Furthermore, properties of dAiRAiGV wave packets with a vortex in the center and off-axis vortex pairs are also discussed. (C) 2018 Optical Society of America
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收藏
页码：222 / 225
页数：4
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