Generation of infrared photon pairs by spontaneous four-wave mixing in a CS2-filled microstructured optical fiber

Author:

Afsharnia Mina,Junaid Saher,Saravi Sina,Chemnitz Mario,Wondraczek Katrin,Pertsch Thomas,Schmidt Markus A.,Setzpfandt Frank

Abstract

AbstractWe experimentally demonstrate frequency non-degenerate photon-pair generation via spontaneous four-wave mixing from a novel CS2-filled microstructured optical fiber. CS2 has high nonlinearity, narrow Raman lines, a broad transmission spectrum, and also has a large index contrast with the microstructured silica fiber. We can achieve phase matching over a large spectral range by tuning the pump wavelength, allowing the generation of idler photons in the infrared region, which is suitable for applications in quantum spectroscopy. Moreover, we demonstrate a coincidence-to-accidental ratio of larger than 90 and a pair generation efficiency of about $$10^{-2}$$ 10 - 2 per pump pulse, which shows the viability of this fiber-based platform as a photon-pair source for quantum technology applications.

Funder

Friedrich-Schiller-Universität Jena

Publisher

Springer Science and Business Media LLC

Subject

Multidisciplinary

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