Radially polarized light beams from spin-forbidden dark excitons and trions in monolayer WSe${}_2$

Sven Borghardt, Jens Sonntag, Jhih-Sian Tu +5

The rich optical properties of transition metal dichalcogenide monolayers (TMD-MLs) render these materials promising candidates for the design of new optoelectronic devices. Despit…