Vortex algebra by multiply cascaded four-wave mixing of femtosecond optical beams

Peter Hansinger; Georgi Maleshkov; Ivan L. Garanovich; Dmitry V. Skryabin; Dragomir N. Neshev; Alexander Dreischuh; Gerhard G. Paulus

doi:10.1364/OE.22.011079

Vortex algebra by multiply cascaded four-wave mixing of femtosecond optical beams

Peter Hansinger, Georgi Maleshkov, Ivan L. Garanovich, Dmitry V. Skryabin, Dragomir N. Neshev, Alexander Dreischuh, Gerhard G. Paulus

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

26 Citations (Scopus)

Abstract

Experiments performed with different vortex pump beams show for the first time the algebra of the vortex topological charge cascade, that evolves in the process of nonlinear wave mixing of optical vortex beams in Kerr media due to competition of four-wave mixing with selfand cross-phase modulation. This leads to the coherent generation of complex singular beams within a spectral bandwidth larger than 200nm. Our experimental results are in good agreement with frequency-domain numerical calculations that describe the newly generated spectral satellites.

Original language	English
Pages (from-to)	11079-11089
Number of pages	11
Journal	Optics Express
Volume	22
Issue number	9
DOIs	https://doi.org/10.1364/OE.22.011079
Publication status	Published - 2014

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abstract = "Experiments performed with different vortex pump beams show for the first time the algebra of the vortex topological charge cascade, that evolves in the process of nonlinear wave mixing of optical vortex beams in Kerr media due to competition of four-wave mixing with selfand cross-phase modulation. This leads to the coherent generation of complex singular beams within a spectral bandwidth larger than 200nm. Our experimental results are in good agreement with frequency-domain numerical calculations that describe the newly generated spectral satellites.",

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AU - Neshev, Dragomir N.

AU - Dreischuh, Alexander

AU - Paulus, Gerhard G.

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Vortex algebra by multiply cascaded four-wave mixing of femtosecond optical beams

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