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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Editor: Franco Gori
  • Vol. 31, Iss. 9 — Sep. 1, 2014
  • pp: 1936–1945

Crossover regime of optical vortices generation via electro-optic nonlinearity: the problem of optical vortices with the fractional charge generated by crystals

Yurij Vasylkiv, Ihor Skab, and Rostyslav Vlokh  »View Author Affiliations

JOSA A, Vol. 31, Issue 9, pp. 1936-1945 (2014)

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In this work, we analyze the behavior of topological defects of optical indicatrix orientation induced by a conically shaped electric field in crystals in a crossover regime that appears at intermediate fields separating the regimes of prevailing Pockels and Kerr electro-optic nonlinearities. We have found that increases in the electric voltage applied to a crystal induce neither topological defects, with the strengths being not multiples of ½, or the optical vortices with fractional charges. Instead, there appear some additional topological defects of the optical indicatrix orientation, the behavior of which we have studied in detail.

© 2014 Optical Society of America

OCIS Codes
(260.1180) Physical optics : Crystal optics
(260.1440) Physical optics : Birefringence
(260.6042) Physical optics : Singular optics
(260.2710) Physical optics : Inhomogeneous optical media

ToC Category:
Physical Optics

Original Manuscript: April 30, 2014
Revised Manuscript: July 8, 2014
Manuscript Accepted: July 16, 2014
Published: August 8, 2014

Yurij Vasylkiv, Ihor Skab, and Rostyslav Vlokh, "Crossover regime of optical vortices generation via electro-optic nonlinearity: the problem of optical vortices with the fractional charge generated by crystals," J. Opt. Soc. Am. A 31, 1936-1945 (2014)

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