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Atom-mediated spontaneous parametric down-conversion in periodic waveguides

Saravi, Sina; Poddubny, Alexander N.; Pertsch, Thomas; Setzpfandt, Frank; Sukhorukov, Andrey


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 transition frequency embedded in the structure, we find a heralded excitation mechanism, in which the detection of a signal photon outside the...[Show more]

CollectionsANU Research Publications
Date published: 2017-11-15
Type: Journal article
Source: Optics letters
DOI: 10.1364/OL.42.004724
Access Rights: Open Access


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