Giant Gating Tunability of Optical Refractive Index in Transition Metal Dichalcogenide Monolayers

Yiling Yu, Yifei Yu, Lujun Huang +3

We report that the refractive index of transition metal dichacolgenide (TMDC) monolayers, such as MoS2, WS2, and WSe2, can be substantially tuned by > 60% in the imaginary part and…