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Supercontinuum generation and intermodal four-wave mixing in a step-index few-mode fibre
Author(s): S. Perret; G. Fanjoux; L. Bigot; J. Fatome; G. Millot; J. M. Dudley; T. Sylvestre
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Paper Abstract

We demonstrate broadband supercontinuum generation from 560 nm up to 2350 nm by coupling a Q-switched picosecond microchip laser at 1064 nm into a 15 μm-core step-index germanium-doped silica fiber, designed to support five spatial modes at 1064 nm. It is further shown that multiple cascaded intermodal four-wave mixing and Raman processes take place in the fiber with large frequency detuning up to 150 THz. The multimode properties of this fiber yield a number of intermodal nonlinear coupling terms and the parametric sideband wavelengths have been obtained from the phasematching condition for intermodal four-wave mixing.

Paper Details

Date Published: 14 May 2018
PDF: 6 pages
Proc. SPIE 10684, Nonlinear Optics and its Applications 2018, 106841D (14 May 2018); doi: 10.1117/12.2305497
Show Author Affiliations
S. Perret, Institut FEMTO-ST (France)
G. Fanjoux, Institut FEMTO-ST (France)
L. Bigot, Institut IRCICA (France)
J. Fatome, Lab. Interdisciplinaire Carnot de Bourgogne (France)
G. Millot, Lab. Interdisciplinaire Carnot de Bourgogne (France)
J. M. Dudley, Institut FEMTO-ST (France)
T. Sylvestre, Institut FEMTO-ST (France)

Published in SPIE Proceedings Vol. 10684:
Nonlinear Optics and its Applications 2018
Benjamin J. Eggleton; Neil G. R. Broderick; Anna C. Peacock, Editor(s)

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