Chinese Optics Letters, 2017, 15 (8): 080801, Published Online: Jul. 20, 2018   

Propagation dynamics of deformed 2D vortex Airy beams Download: 1019次

Author Affiliations
1 Guangxi Key Laboratory for Relativistic Astrophysics, School of Physics Science and Technology, Guangxi University, Nanning 530004, China
2 The MOE Key Laboratory of Weak-Light Nonlinear Photonics, TEDA Applied Physics Institute and School of Physics, Nankai University, Tianjin 300457, China
Abstract
We numerically and experimentally investigate the propagation of deformed 2D vortex Airy beams. Our results show that, for different topological charges, two parabolic trajectories that can be controlled by changing the initial wing angle always dominate the beam propagations. In this case, the main lobes take different propagation distances to restore to the peak intensity. The profiles tend to evolve into 1D or 2D Airy-like patterns to various degrees in the same propagation distance. Furthermore, the whole profiles yield a small change in their acceleration direction, depending on the topological charge and the initial wing angle.

Yingkang Chen, Xiwen Lin, Shuyu Lin, Shaoying Mo, Lingyu Wan, Yi Liang. Propagation dynamics of deformed 2D vortex Airy beams[J]. Chinese Optics Letters, 2017, 15(8): 080801.

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