Asymmetric gain-saturated spectrum in fiber optical parametric amplifiers

Zohreh Lali-Dastjerdi, Karsten Rottwitt, Michael Galili, Christophe Peucheret

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Abstract

We demonstrate experimentally and numerically an unexpected spectral asymmetry in the saturated-gain spectrum of single-pump fiber optical parametric amplifiers. The interaction between higher-order four-wave mixing products and dispersive waves radiated as an effect of third-order dispersion influences the energy transfer to the signal, depending on its detuning with respect to the pump, and breaks the symmetry of the gain expected from phase-matching considerations in unsaturated amplifiers. The asymmetry feature of the saturated spectrum is shown to particularly depend on the dispersion characteristics of the amplifier and shows local maxima for specific dispersion values.
Original languageEnglish
JournalOptics Express
Volume20
Issue number14
Pages (from-to)15530-15539
ISSN1094-4087
DOIs
Publication statusPublished - 2012

Bibliographical note

This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/oe/abstract.cfm?uri=oe-20-14-15530. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

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