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Soliton Aided Propagation and Routing of Vortex Beams in Nonlocal Media | OMICS International | Abstract
ISSN: 2469-410X

Journal of Lasers, Optics & Photonics
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Research Article

Soliton Aided Propagation and Routing of Vortex Beams in Nonlocal Media

Gaetano Assanto1,2* and Noel F Smyth3

1NooEL- Nonlinear Optics and OptoElectronics Lab, University of Rome “Roma Tre”,00146 Rome, Italy

2The University of Wollongong, Wollongong, NSW 2522, australia

3School of Mathematics, University of Edinburgh, Edinburgh EH9 3JZ, Scotland, U.K

*Corresponding author:
Gaetano Assanto
Nonlinear Optics and Opto Electronics Lab
University of Rome “Roma Tre”, Italy
Tel: 39065733702
E-mail: [email protected]

Received Date: February 10, 2014; Accepted Date: April 22, 2014; Published Date: April 28, 2014

Citation: Assanto G, Smyth NF (2014) Soliton Aided Propagation and Routing of Vortex Beams in Nonlocal Media. J Laser Opt Photonics 1:105. doi:10.4172/2469-410X.1000105

Copyright: © 2014 Assanto G, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


Two-dimensional optical vortex beams can propagate stably and undergo bending in nonlocal media with the aid of a spatial soliton, the latter preventing their destabilization and breakup. By colaunching a suitable pair of collinear soliton and vortex beams in nematic liquid crystals, we conduct a series of numerical experiments to demonstrate that the vortex beam can be made to propagate in the nematicon waveguide and follow its trajectory, even in the cases of refraction and total internal reflection at a dielectric interface. Modulation theory supports these findings and provides an excellent theoretical framework.


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