Normal-Incidence-Excited Strong Coupling Between Excitons and Symmetry-Protected Quasi-Bound States in the Continuum in Silicon Nitride-WS2 Heterostructures at Room Temperature.

Room-temperature strong coupling between quasi-bound states in the continuum (q-BIC) of a silicon-nitride metasurface and excitons in a WS2 monolayer is investigated in detail by both numerical sim...