Efficient single-photon pair generation by spontaneous parametric down-conversion in nonlinear plasmonic metasurfaces

Published: Nov 18, 2021
Abstract
Spontaneous parametric down-conversion (SPDC) is one of the most versatile nonlinear optical techniques for the generation of entangled and correlated single-photon pairs. However, it suffers from very poor efficiency leading to extremely weak photon generation rates. Here we propose a plasmonic metasurface design based on silver nanostripes combined with a bulk lithium niobate (LiNbO3) crystal to realize a new scalable, ultrathin, and efficient...
Paper Details
Title
Efficient single-photon pair generation by spontaneous parametric down-conversion in nonlinear plasmonic metasurfaces
Published Date
Nov 18, 2021
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