Optical nonlinearity goes ultrafast in 2D semiconductor-based nanocavities

Abstract Hybrid systems of silver nanodisks strongly coupled to monolayer tungsten-disulfide (WS2) show giant room-temperature nonlinearity due to their deeply sub-wavelength localized nature, resulting in ultrafast modifications of nonlinear absorption in a solid-state system.

Bibliographic Details
Main Authors: Armando Genco, Giulio Cerullo
Format: Article
Language:English
Published: Nature Publishing Group 2022-05-01
Series:Light: Science & Applications
Online Access:https://doi.org/10.1038/s41377-022-00827-3