Propagation dynamics of off-axis noncanonical vortices in a collimated Gaussian beam*

Project supported by the Fundamental Research Funds for the Central Universities, China (Grant No. 2017B14914), China Postdoctoral Science Foundation (Grant No. 2016M601586), and the National Natural Science Foundation of China (Grant Nos. 11874140 and 11404092).

Yin Cheng1, 2, †, Kan Xuefen1, Dai Hailang2, Shan Minglei1, Han Qingbang1, Cao Zhuangqi2
       

Calculated propagation dynamics of an off-axis vortex in an asymmetrical Gaussian beam, where the red line denotes the trajectory of (x1,y1) and the black arrows denote the direction of à in the complex plane