Atom-mediated spontaneous parametric down-conversion in periodic waveguides.

Abstract

We propose the concept of atom-mediated spontaneous parametric down-conversion, in which photon-pair generation can take place only in the presence of a single two-level emitter, relying on the bandgap evanescent modes of a nonlinear periodic waveguide. Using a guided signal mode, an evanescent idler mode, and an atom-like emitter with the idler's… (More)
DOI: 10.1364/OL.42.004724

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