Detailed investigation of intermodal four-wave mixing in SMF-28: blue-red generation from green

A short piece of commercial-grade SMF-28 optical fiber is pumped with a 680 ps high-peak power green laser. Red Stokes and blue anti-Stokes beams are generated spontaneously from vacuum noise in different modes in the fiber via intermodal four-wave mixing. Detailed experimental and theoretical analy...

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Bibliographic Details
Published in:Optics express 2015-06, Vol.23 (11), p.14487-14500
Main Authors: Pourbeyram, Hamed, Nazemosadat, Elham, Mafi, Arash
Format: Article
Language:English
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Summary:A short piece of commercial-grade SMF-28 optical fiber is pumped with a 680 ps high-peak power green laser. Red Stokes and blue anti-Stokes beams are generated spontaneously from vacuum noise in different modes in the fiber via intermodal four-wave mixing. Detailed experimental and theoretical analyses are performed and are in reasonable agreement. The large spectral shifts from the pump protect the Stokes and anti-Stokes from contamination by spontaneous Raman scattering noise. This work highlights the predictive power and limitations of a theoretical model to explain the experimental results for a process that relies on the amplification of quantum vacuum energy over more than 11 orders of magnitude.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.23.014487