Long-range ballistic propagation of 80$\%$-excitonic-fraction polaritons in a perovskite metasurface at room temperature

Nguyen Ha My Dang, Simone Zanotti, Emmanuel Drouard +6

Exciton-polaritons, hybrid light-matter elementary excitations arising from the strong coupling regime between excitons in semiconductors and photons in photonic nanostructures, of…