Skip to main content
. 2020 Feb 28;9:29. doi: 10.1038/s41377-020-0263-6

Fig. 1. Structures of the present silicon−graphene hybrid plasmonic waveguide photodetector.

Fig. 1

a Schematic configuration. b Optical microscopy image. c SEM images. d Cross-section of the present silicon−graphene hybrid plasmonic waveguide with the signal electrode in the middle and the ground electrodes on both sides (here, the metal−graphene−metal sandwich structure is utilized). Vb bias voltage, VG gate voltage