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Spontaneous four-wave mixing in liquid-core fibers: towards fibered Raman-free correlated photon sources

Abstract : We experimentally demonstrate, for the first time to our knowledge, the generation of correlated photon pairs in a liquid-core photonic crystal fiber. Moreover, we show that, thanks to the specific Raman properties of liquids, the Raman noise (which is the main limitation of the performance of silica-core fiber-based correlated photon pair sources) is highly reduced. With a demonstrated coincident-to-accidental ratio equal to 63 and a pair generation efficiency of about 10 −4 per pump pulse, this work contributes to the development of high-quality correlated photon pair sources for quantum communications.
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Submitted on : Thursday, September 3, 2015 - 11:52:51 AM
Last modification on : Wednesday, September 16, 2020 - 5:45:27 PM
Long-term archiving on: : Friday, December 4, 2015 - 11:05:17 AM

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Margaux Barbier, Isabelle Zaquine, Philippe Delaye. Spontaneous four-wave mixing in liquid-core fibers: towards fibered Raman-free correlated photon sources . New Journal of Physics, Institute of Physics: Open Access Journals, 2015, 17, pp.053001(1-11). ⟨10.1088/1367-2630/17/5/053031⟩. ⟨hal-01192679⟩

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