Observation of polychromatic vortex solitons

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

doi:10.1364/OL.33.001851

Observation of polychromatic vortex solitons

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

Department of Physics

Research output: Contribution to journal › Article › peer-review

15 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	1851-1853
Number of pages	3
Journal	Optics Letters
Volume	33
Issue number	16
DOIs	https://doi.org/10.1364/OL.33.001851
Publication status	Published - Aug 15 2008

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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author = "Neshev, {Dragomir N.} and Alexander Dreischuh and Vladlen Shvedov and Desyatnikov, {Anton S.} and Wieslaw Krolikowski and Kivshar, {Yuri S.}",

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AU - Neshev, Dragomir N.

AU - Dreischuh, Alexander

AU - Shvedov, Vladlen

AU - Desyatnikov, Anton S.

AU - Krolikowski, Wieslaw

AU - Kivshar, Yuri S.

PY - 2008/8/15

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AB - 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.

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