Quadrupolar and Dipolar Excitons in Bilayer 2$H$-MoSe${}_2$

Shun Feng, Aidan J. Campbell, Bibi Mary Francis +6

We report the experimental observation of quadrupolar exciton states in the reflectance contrast spectrum of 2$H$-stacked bilayer MoSe${}_2$. The application of a vertical electric f…