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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: G. I. Stegeman
  • Vol. 22, Iss. 12 — Dec. 1, 2005
  • pp: 2635–2641

Nonlinear polarization rotation of elliptical light in cubic crystals, with application to cross-polarized wave generation

Aurélie Jullien, Olivier Albert, Gilles Chériaux, Jean Etchepare, Stoyan Kourtev, Nikolay Minkovski, and Solomon M. Saltiel  »View Author Affiliations


JOSA B, Vol. 22, Issue 12, pp. 2635-2641 (2005)
http://dx.doi.org/10.1364/JOSAB.22.002635


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Abstract

We have investigated theoretically and experimentally the nonlinear propagation of intense elliptically polarized light pulses along a fourfold axis of the cubic crystal BaF 2 . Third-order nonlinear optical processes generate a cross-polarized wave, an effect that presents significant possibilities for application in femtosecond pulse contrast enhancement. The experimental setup consists of an input linear polarized light that passes through a cubic crystal sandwiched between two crossed quarter-wave plates. The exit orthogonal polarization-state production amount is measured at the output of an analyzer. When the light impinging on the sample is elliptically polarized with a quarter-wave plate at 22.5 deg, the achieved efficiency reaches 15%. It is more than twice that of a conventional polarization filter based on nonlinear ellipse rotation in an isotropic medium. This device is compared with previously reported polarization filtering [ J. Opt. Soc. Am. B 21, 1659 (2004) ], in which a linearly polarized light produced a perpendicular field component. The theoretical model describes in detail the obtained dependencies and allows the different nonlinear processes that contribute to the generation of a cross-polarized wave to be distinguished. Possible applications are discussed.

© 2005 Optical Society of America

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(190.3270) Nonlinear optics : Kerr effect
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(190.4720) Nonlinear optics : Optical nonlinearities of condensed matter
(230.5440) Optical devices : Polarization-selective devices

ToC Category:
Nonlinear Optics

Citation
Aurélie Jullien, Olivier Albert, Gilles Chériaux, Jean Etchepare, Stoyan Kourtev, Nikolay Minkovski, and Solomon M. Saltiel, "Nonlinear polarization rotation of elliptical light in cubic crystals, with application to cross-polarized wave generation," J. Opt. Soc. Am. B 22, 2635-2641 (2005)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-22-12-2635

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