Pattern formation using optical vortices in a photorefractive single feedback system

We analyze numerically the dynamics of optical patterns in a photorefractive single feedback system where a vortex beam is used as the input beam. Depending on the topological charge of the vortex and on the nonlinear photorefractive coupling strength, we observe different pattern geometries with a...

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Bibliographic Details
Published in:Optics letters 2011-08, Vol.36 (15), p.2815-2817
Main Authors: CAULLET, Vianney, MARSAL, Nicolas, WOLFERSBERGER, Delphine, SCIAMANNA, Marc
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Optics
Physics
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Summary:We analyze numerically the dynamics of optical patterns in a photorefractive single feedback system where a vortex beam is used as the input beam. Depending on the topological charge of the vortex and on the nonlinear photorefractive coupling strength, we observe different pattern geometries with a rotating dynamics.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.36.002815