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Supercontinuum generation with optical vortices

Neshev, Dragomir N.; Dreischuh, Alexander; Maleshkov, Georgi; Samoc, Marec; Kivshar, Yuri S.

Description

We employ an optical vortex beam for the generation of femtosecond supercontinuum in a solid state medium. We demonstrate that the continuum generation process is initiated by the filamentation of the vortex, resulting in a spatially divergent continuum. Despite the strong self-focusing and the formation of multiple hot-spots along the vortex ring, the singularity is preserved in both the near- and far-fields.

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
URI: http://hdl.handle.net/1885/101093
Source: Optics Express
DOI: 10.1364/OE.18.018368

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