Frank Koppens
ICFO Barcelona, Spain
Date
22 March 2023
Host
Giacomo Scalari
Title
Nanocavities, Nano-Imaging, and Opto-Electronics in Twisted and Stacked 2D Materials
Abstract
Two-dimensional (2D) materials have extraordinary potential to control light and light-matter interactions on an atomic scale. Recently, twisted 2D materials have drawn considerable attention due to their capability of inducing moiré superlattices and the discovery electronic correlated phases. Various nanoscale optoelectronic probing scheme, utilizing infrared and terahertz radiation, are presented, revealing the materials topology, photoconversion and interaction effects. Furthermore, by probing modulated 2D materials on the nanoscale, record-small nanoscale polaritonic cavities are revealed, as well as the formation of nanoscale hypercrystals, exhibiting negative refraction and topological interface states.
Recording
ETH Video Portal
