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Vortex Induced Rotation Dynamics of Optical Patterns

Abstract : We demonstrate that modulation instability leading to optical pattern formation can arise by using nonconventional 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 nonlinearly on both the vortex topological charge and the intensity of the input beam.
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Contributor : Sébastien van Luchene Connect in order to contact the contributor
Submitted on : Tuesday, July 3, 2012 - 11:08:25 AM
Last modification on : Tuesday, June 15, 2021 - 4:04:45 PM



Vianney Caullet, Nicolas Marsal, Delphine Wolfersberger, Marc Sciamanna. Vortex Induced Rotation Dynamics of Optical Patterns. Physical Review Letters, American Physical Society, 2012, 108 (26), pp.263903-1-4. ⟨10.1103/PhysRevLett.108.263903⟩. ⟨hal-00713994⟩



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