This investigation demonstrates optimal frequency shifting of single photons in fibers through temperature control, suggesting improvements in multiplexing.
Bragg Scattering Four-Wave mixing (BS-4WM) is used in fibers to frequency shift single photons. We investigate how its phase matching condition can be controlled by changing the fiber temperature. We then are able to optimize the efficiency of the BS-4WM process for selected wavelengths that will ultimately allow a scheme of active multiplexing of single photons.
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Deroo-Blanquart et al. (2025) studied this question.
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