Open AccessFree-space propagation of guided optical vortices excited in an annular core fiber
Author(s) -
Hongwei Yan,
Entao Zhang,
Baoyin Zhao,
Kailiang Duan
Publication year - 2012
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.20.017904
Subject(s) - optical vortex , vortex , annihilation , physics , optics , optical fiber , core (optical fiber) , free space , quantum mechanics , mechanics
The analytical expression for the propagation of guided optical vortices through free space is derived and used to study the dynamic evolution of guided optical vortices after passing through the free space, and the dependence of guided optical vortices on the control parameters where the effect of propagation distance is stressed. It is shown that the motion, pair creation and annihilation of guided optical vortices may take place. In particular, the creation and annihilation of a pair of guided optical vortices do not take place by varying fiber length.