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Optics Letters

Optics Letters


  • Vol. 27, Iss. 8 — Apr. 15, 2002
  • pp: 625–627

Observation of optical vortex streets in walking second-harmonic generation

Gabriel Molina-Terriza, Dmitri V. Petrov, Jaume Recolons, and Lluis Torner  »View Author Affiliations

Optics Letters, Vol. 27, Issue 8, pp. 625-627 (2002)

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We report what is believed to be the first experimental observation of spontaneous nucleation of arrays of optical vortices in the process of second-harmonic generation in a crystal with moderate Poynting vector walk-off, pumped with focused beams containing screw phase dislocations. Our experiments were conducted in lithium triborate under conditions of small-efficiency second-harmonic generation pumped by nanosecond pulses at 1064 nm.

© 2002 Optical Society of America

OCIS Codes
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(190.4420) Nonlinear optics : Nonlinear optics, transverse effects in

Gabriel Molina-Terriza, Dmitri V. Petrov, Jaume Recolons, and Lluis Torner, "Observation of optical vortex streets in walking second-harmonic generation," Opt. Lett. 27, 625-627 (2002)

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