Design and Analysis of Ultralow Voltage Graphene on the Silicon Rich Nitride Tunable Ring Resonator-Based Add-Drop Filter for DWDM Systems

Figure 2

(a) Waveguide cross section. (b) Schematic of the different layers of the 3D view of the graphene-coated waveguide. The optimal dimensions of the cross-section are  = 650 nm, H = 75 nm, h = 15 nm, and r = 3.4 nm.

(a)

(b)