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Proceedings Paper

Generation of self-healing beams via four-wave mixing optical mode conversion
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Paper Abstract

We present the experimental conversion of a spatially-Gaussian optical mode into a self-healing, approximate Bessel-Gauss mode by a non-collinear, spatially-multimode four-wave mixing process in warm atomic vapor. In addition to the mode conversion, a second, spatially-separate conjugate beam is created in a non-Gaussian mode that mimics that of the resulting converted probe beam. Additionally, we show that these resulting beams exhibit the ability to partially self-heal their mode profiles after encountering an obstacle in their paths. This multi-spatial-mode nonlinear gain platform may thus be used as a new method for all-optically generating pairs of self-healing beams.

Paper Details

Date Published: 27 September 2016
PDF: 8 pages
Proc. SPIE 9950, Laser Beam Shaping XVII, 99500D (27 September 2016); doi: 10.1117/12.2240815
Show Author Affiliations
Onur Danaci, Tulane Univ. (United States)
Christian Rios, Tulane Univ. (United States)
Ryan T. Glasser, Tulane Univ. (United States)

Published in SPIE Proceedings Vol. 9950:
Laser Beam Shaping XVII
Andrew Forbes; Todd E. Lizotte, Editor(s)

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