Fig. 1: Device model and fabrication flow.

a 3D schematic view and b Cross-section of the proposed Gr/GdIG/Si photodetector. c Schematic illustration of the fabrication process of the Gr/GdIG/Si photodetector
a 3D schematic view and b Cross-section of the proposed Gr/GdIG/Si photodetector. c Schematic illustration of the fabrication process of the Gr/GdIG/Si photodetector