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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 37, Iss. 4 — Feb. 15, 2012
  • pp: 602–604

Self-induced nonlinear spin–orbit interaction of light in liquid crystals

Mohamed El Ketara and Etienne Brasselet  »View Author Affiliations


Optics Letters, Vol. 37, Issue 4, pp. 602-604 (2012)
http://dx.doi.org/10.1364/OL.37.000602


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Abstract

We report on the observation of self-induced nonlinear spin–orbit interaction of light driven by Kerr orientational optical nonlinearities in liquid crystals. It consists of the self-induced spin-to-orbital nonlinear conversion for the angular momentum of light. The optical angular momentum conversion is driven by the creation of a topological liquid crystal defect by the light itself. Moreover, we show that such a nonlinear process can be significantly enhanced by using additional electric fields.

© 2012 Optical Society of America

OCIS Codes
(160.3710) Materials : Liquid crystals
(190.4720) Nonlinear optics : Optical nonlinearities of condensed matter
(160.1245) Materials : Artificially engineered materials
(260.6042) Physical optics : Singular optics

ToC Category:
Materials

History
Original Manuscript: December 2, 2011
Manuscript Accepted: December 15, 2011
Published: February 9, 2012

Citation
Mohamed El Ketara and Etienne Brasselet, "Self-induced nonlinear spin–orbit interaction of light in liquid crystals," Opt. Lett. 37, 602-604 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-4-602


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