Directional emission of down-converted photons from a dielectric nano-resonator

Abstract

Creation of correlated photon pairs is one of the key topics in contemporary quantum optics. Here, we theoretically describe the generation of photon pairs in the process of spontaneous parametric down-conversion in a resonant spherical nanoparticle made of a dielectric material with bulk ${\chi }^{(2)}$ nonlinearity. We pick the nanoparticle size that satisfies the condition of resonant eigenmodes described by Mie theory. We reveal that highly directional photon-pair generation can be observed utilising the nonlinear Kerker-type effect, and that this regime provides useful polarisation correlations.

References in corpus (6)

• High-efficiency light-wave control with all-dielectric optical Huygens' metasurfaces
• Directional visible light scattering by silicon nanoparticles
• Observation of strongly entangled photon pairs from a nanowire quantum dot
• Kerker Conditions Upon Lossless, Absorption, and Optical Gain Regimes
• Controlling photon bunching and antibunching of two quantum emitters near a core-shell sphere
• Polarization-controlled selective excitation of Mie resonances of dielectric nanoparticle on a coated substrate

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