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

Onur Danaci; Christian Rios; Ryan T. Glasser

doi:10.1117/12.2240815

27 September 2016 Generation of self-healing beams via four-wave mixing optical mode conversion

Onur Danaci, Christian Rios, Ryan T. Glasser

Proceedings Volume 9950, Laser Beam Shaping XVII; 99500D (2016) https://doi.org/10.1117/12.2240815
Event: SPIE Optical Engineering + Applications, 2016, San Diego, California, United States

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.

Conference Presentation

Citation Download Citation

Onur Danaci, Christian Rios, and Ryan T. Glasser "Generation of self-healing beams via four-wave mixing optical mode conversion", Proc. SPIE 9950, Laser Beam Shaping XVII, 99500D (27 September 2016); https://doi.org/10.1117/12.2240815

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