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Optical vortex interaction and generation via nonlinear wave mixing

F. Lenzini, S. Residori, F. T. Arecchi, and U. Bortolozzo
Phys. Rev. A 84, 061801(R) – Published 7 December 2011

Abstract

Optical vortex beams are made to interact via degenerate two-wave mixing in a Kerr-like nonlinear medium. Vortex mixing is shown to occur inside the medium, leading to exchange of topological charge and cascaded generation of vortex beams. A mean-field model is developed and is shown to account for the selection rules of the topological charges observed after the wave-mixing process. Fractional charges are demonstrated to follow the same rules as for integer charges.

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  • Received 22 August 2011

DOI:https://doi.org/10.1103/PhysRevA.84.061801

©2011 American Physical Society

Authors & Affiliations

F. Lenzini1,2, S. Residori1, F. T. Arecchi2, and U. Bortolozzo1

  • 1INLN, Université de Nice-Sophia Antipolis, CNRS, 1361 route des Lucioles, FR-06560 Valbonne, France
  • 2Dipartimento di Fisica, Università di Firenze, via Sansone 1, IT-50019 Sesto Fiorentino (FI), Italy

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Issue

Vol. 84, Iss. 6 — December 2011

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