Polaritonic metasurfaces

In this talk, we discuss our recent progress on the design, modeling, fabrication and characterization of polaritonic heterostructures featuring strong coupling between light and material excitations. In particular, I will discuss the role of geometrical rotations, twisting and broken symmetries in controlling the light coupling and enabling spin-selective responses at the nanoscale and in the far-field, leveraging both the crystal structure of 2D materials and photonic structures engineered at the nanoscale.