Active engineering of four-wave mixing spectral correlations in multiband hollow-core fibers

Abstract : We demonstrate theoretically and experimentally a high level of control of the four-wave mixing process in an inert gas–filled inhibited-coupling guiding hollow-core photonic crystal fiber. The specific multiple-branch dispersion profile in such fibers allows both correlated and separable bi-photon states to be produced. By controlling the choice of gas and its pressure and the fiber length, we experimentally generate various joint spectral intensity profiles in a stimulated regime that is transferable to the spontaneous regime. The generated profiles may cover both spectrally separable and correlated bi-photon states and feature frequency tuning over tens of THz, demonstrating a large dynamic control that will be very useful when implemented in the spontaneous regime as a photon pair source.
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Submitted on : Monday, May 27, 2019 - 6:45:55 PM
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Martin Cordier, Adeline Orieux, Benoît Debord, Frédéric Gérôme, A. Gorse, et al.. Active engineering of four-wave mixing spectral correlations in multiband hollow-core fibers. Optics Express, Optical Society of America, 2019, 27 (7), pp.9803-9814. ⟨10.1364/OE.27.009803⟩. ⟨hal-02141395⟩

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