Polarization rotation induced by cascaded third-order processes

Intensity-dependent polarization rotation that results from the simultaneous action of two third-order processes, self-phase modulation and four-wave mixing, is observed. The effect is recorded along the fourfold axis of a YVO(4) crystal. The angle of rotation is proportional to the square of the in...

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Bibliographic Details
Published in:Optics letters 2002-11, Vol.27 (22), p.2025-2027
Main Authors: Minkovski, N, Saltiel, S M, Petrov, G I, Albert, O, Etchepare, J
Format: Article
Language:English
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Summary:Intensity-dependent polarization rotation that results from the simultaneous action of two third-order processes, self-phase modulation and four-wave mixing, is observed. The effect is recorded along the fourfold axis of a YVO(4) crystal. The angle of rotation is proportional to the square of the input intensity-crystal length product. This is to the authors' knowledge the first experimental evidence showing that intensity-dependent polarization rotation can be related to the real part of cubic susceptibility.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.27.002025