Pattern formation using optical vortices in a photorefractive single feedback system
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Published on: December 11, 2014
Vianney Caullet1, Nicolas Marsal, Delphine Wolfersberger
1Supélec, Optics and Electronics (OPTEL) Research Group, Laboratoire Matériaux Optiques, Photonique et Systèmes (LMOPS)-EA4423, 2 rue Edouard Belin, 57070 Metz, France. vianney.caullet@supelec.fr
Optics Letters
|August 3, 2011
Abstract:
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.
