Dynamics of femtosecond supercontinuum generation in multimode fibers
Dynamics of femtosecond supercontinuum generation in multimode fibers
We solve a system of generalized nonlinear Schrödinger equations to study the nonlinear dynamics of ultrashort pulse propagation in multimode fibers. Due to pulse walk-off, permanent intermodal power transfer between modes is observed even in absence of phase matching. The strength of intermodal effects is found to depend strongly on modal symmetries, which results in preferential coupling between the LP0n modes. The scaling of nonlinear multimode effects in large-core fibers for the generation of ultra-high power spectral density supercontinua is finally discussed.
6134-6147
Poletti, Francesco
9adcef99-5558-4644-96d7-ce24b5897491
Horak, Peter
520489b5-ccc7-4d29-bb30-c1e36436ea03
13 April 2009
Poletti, Francesco
9adcef99-5558-4644-96d7-ce24b5897491
Horak, Peter
520489b5-ccc7-4d29-bb30-c1e36436ea03
Poletti, Francesco and Horak, Peter
(2009)
Dynamics of femtosecond supercontinuum generation in multimode fibers.
Optics Express, 17 (8), .
(doi:10.1364/OE.17.006134).
Abstract
We solve a system of generalized nonlinear Schrödinger equations to study the nonlinear dynamics of ultrashort pulse propagation in multimode fibers. Due to pulse walk-off, permanent intermodal power transfer between modes is observed even in absence of phase matching. The strength of intermodal effects is found to depend strongly on modal symmetries, which results in preferential coupling between the LP0n modes. The scaling of nonlinear multimode effects in large-core fibers for the generation of ultra-high power spectral density supercontinua is finally discussed.
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Published date: 13 April 2009
Organisations:
Optoelectronics Research Centre
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Local EPrints ID: 70897
URI: http://eprints.soton.ac.uk/id/eprint/70897
ISSN: 1094-4087
PURE UUID: 2f53b136-3511-41f5-bfc5-66c9ebe79a3c
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Date deposited: 10 Mar 2010
Last modified: 14 Mar 2024 02:52
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Author:
Francesco Poletti
Author:
Peter Horak
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