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Observation of polychromatic vortex solitons

Neshev, Dragomir N.; Dreischuh, Alexander; Shvedov, Vladlen; Desyatnikov, Anton S.; Krolikowski, Wieslaw; Kivshar, Yuri S.


We demonstrate experimentally the formation of polychromatic single- and double-charge optical vortex solitons by employing a lithium niobate crystal as a nonlinear medium with defocusing nonlinearity. We study the wavelength dependence of the vortex core localization and observe self-trapping of polychromatic vortices with a bandwidth spanning over more than 70 nm for single-charge and 180 nm for double-charge vortex solitons.

CollectionsANU Research Publications
Date published: 2008-08-15
Type: Journal article
Source: Optics Letters
DOI: 10.1364/OL.33.001851


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