Linear and nonlinear optical properties of chiral metasurfaces.

Sibilia C.

Relazione su invito
VI - Fisica applicata, acceleratori e beni culturali
GSSI Ex ISEF - Aula A - Martedì 24 h 17:30 - 19:30
» Download abstract

Optical activity, $i.e.$ the ability to rotate the polarization state of light, can also occur in structures that are not chiral at all, a property of fundamental importance for many applications. This effect can be artificially obtained by means of metasurfaces, $i.e$ materials surfaces with suitable nanostructures under appropriate light injection. Also a nonlinear optical response can be obtained, such as second order circular dichroism, thanks to the recent successes in nanotechnology, opening the way to new functionalities on a spatial scale of few hundreds on nanometers. In what follows we describe some properties of chiral metasurfaces.

Società Italiana di Fisica - Via Saragozza 12 40123 Bologna P.IVA 00308310374 | credits