Optical patterns using vortex beams

V. Caullet; N. Marsal; D. Wolfersberger; M. Sciamanna

doi:10.1117/12.922633

10 May 2012 Optical patterns using vortex beams

V. Caullet, N. Marsal, D. Wolfersberger, M. Sciamanna

Proceedings Volume 8434, Nonlinear Optics and Applications VI; 84341T (2012) https://doi.org/10.1117/12.922633
Event: SPIE Photonics Europe, 2012, Brussels, Belgium

Abstract

We demonstrate theoretically and experimentally that modulation instability leading to optical pattern formation can arise by using non conventional counterpropagating beams carrying an orbital angular momentum (optical vortices). Such a vortex beam is injected into a nonlinear single feedback system. We evidence different complex patterns with peculiar phase singularities and rotating dynamics. We prove that the dynamics is induced by the vortex angular momentum and the rotation velocity depends non linearly on both the vortex topological charge and the intensity of the input beam.

Citation Download Citation

V. Caullet, N. Marsal, D. Wolfersberger, and M. Sciamanna "Optical patterns using vortex beams", Proc. SPIE 8434, Nonlinear Optics and Applications VI, 84341T (10 May 2012); https://doi.org/10.1117/12.922633

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