Visible photon generation via four-wave mixing in near-infrared near-zero-index thin films

Optical nonlinearities can be strongly enhanced by operating in the so-called near-zero-index (NZI) regime, where the real part of the ...

Source: Optics Letters - October 28, 2021 Category: Physics Authors: Enrico G. Carnemolla Wallace Jaffray Matteo Clerici Lucia Caspani Daniele Faccio Fabio Biancalana Clayton Devault Vladimir M. Shalaev Alexandra Boltasseva Marcello Ferrera Source Type: research