Gate-Tunable Optical Nonlinearities and Extinction in Graphene/LaAlO${}_3$/SrTiO${}_3$ Nanostructures

Erin Sheridan, Lu Chen, Jianan Li +7

Pristine, undoped graphene has a constant absorption of 2.3 % across the visible to near-infrared (VIS-NIR) region of the electromagnetic spectrum. Under certain conditions, such a…