Open AccessStabilization and breakup of optical vortices in presence of hybrid nonlinearity
Author(s) -
Xuetao Gan,
Peng Zhang,
Sheng Liu,
Yanying Zheng,
Zhigang Chen
Publication year - 2009
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.17.023130
Subject(s) - vortex , breakup , nonlinear system , optics , optical vortex , physics , angular momentum , nonlinear optics , self focusing , photorefractive effect , classical mechanics , laser , mechanics , quantum mechanics , laser beams
We study nonlinear propagation of optical vortices in presence of hybrid nonlinearity as established in a nonconventional biased photorefractive crystal. Our results indicate that under hybrid nonlinearity the breakup of a singly-charged vortex along with the loss of its angular momentum is suppressed considerably as compared with that under conventional self-focusing or self-defocusing nonlinearity. Disintegration of a doubly-charged vortex under hybrid nonlinearity is also presented. Our experimental results are in good agreement with the numerical simulations.