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Filamentation and supercontinuum generation by singular beams in self-focusing nonlinear media

Maleshkov, Georgi; Neshev, Dragomir; Petrova, Elitza; Dreischuh, Alexander


We study numerically and experimentally the propagation of pulsed singular beams, including dark crosses and optical vortices, in self-focusing nonlinear media, resulting in filamentation and supercontinuum generation. Our results show that the singular beams survive the process of modulation instability and appear well preserved in both the near and far field.

CollectionsANU Research Publications
Date published: 2011
Type: Journal article
Source: Journal of Optics
DOI: 10.1088/2040-8978/13/6/064015


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