Supercontinuum generation with optical vortices

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

doi:10.1364/OE.18.018368

Supercontinuum generation with optical vortices

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

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63 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	18368-18373
Number of pages	6
Journal	Optics Express
Volume	18
Issue number	17
DOIs	https://doi.org/10.1364/OE.18.018368
Publication status	Published - 16 Aug 2010

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title = "Supercontinuum generation with optical vortices",

abstract = "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.",

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AU - Neshev, Dragomir N.

AU - Dreischuh, Alexander

AU - Maleshkov, Georgi

AU - Samoc, Marek

AU - Kivshar, Yuri S.

PY - 2010/8/16

Y1 - 2010/8/16

N2 - 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.

AB - 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.

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DO - 10.1364/OE.18.018368

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EP - 18373

JO - Optics Express

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IS - 17

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Supercontinuum generation with optical vortices

Abstract

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