Effects of Raman scattering and attenuation in silica fiber-based parametric frequency conversion

Søren Michael Mørk Friis, Lasse Mejling Andersen, Karsten Rottwitt

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Four-wave mixing in the form of Bragg scattering (BS) has been predicted to enable quantum noise-less frequency conversion by analytic quantum approaches. Using a semi-classical description of quantum noise that accounts for loss and stimulated and spontaneous Raman scattering, which are not currently described in existing quantum approaches, we quantify the impacts of these effects on the conversion efficiency and on the quantum noise properties of BS in terms of an induced noise figure (NF). We give an approximate closed-form expression for the BS conversion efficiency that includes loss and stimulated Raman scattering, and we derive explicit expressions for the Raman-induced NF from the semi-classical approach used here. We find that Raman scattering induces a NF in the BS process that is comparable to the 3-dB NF associated with linear amplifiers
Original languageEnglish
JournalOptics Express
Volume7
Issue number3
Pages (from-to)7324-7337
Number of pages14
ISSN1094-4087
DOIs
Publication statusPublished - 2017

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