Backscatter and Spontaneous Four-Wave Mixing in Micro-Ring Resonators
Journal of Physics Photonics(2020)
Abstract
We model backscatter for electric fields propagating through optical micro-ring resonators, as occurring both in-ring and in-coupler. These provide useful tools for modelling transmission and in-ring fields in these optical devices. We then discuss spontaneous four-wave mixing and use the models to obtain heralding efficiencies and rates. We observe a trade-off between these, which gets more extreme as the rings become more strongly backscattered.
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Key words
paired-photon sources, micro-ring resonators, quantum optics, integrated optics, optical resonators, backscattering
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