Figure 1
From: Electrically Tunable Nd:YAG waveguide laser based on Graphene
Electrically controlled hybrid graphene-Nd:YAG waveguide.
(a) Schematic diagram of electrically controlled hybrid graphene-Nd:YAG waveguide and the experimental setup for the waveguide laser. Photographs of the Nd:YAG waveguide (b), quartz (c), and combined structure (d).
