Polarization-independent terahertz wave modulator based on graphene-silicon hybrid structure
Du Liang-Liang1, 2, Li Quan2, Li Shao-Xian2, Hu Fang-Rong1, Xiong Xian-Ming1, Li Yan-Feng1, Zhang Wen-Tao1, †, 
, Han Jia-Guang2, ‡,
, Han Jia-Guang2, ‡, Voltage–current characteristic curves of the metallic sample (monolayer graphene is replaced by a 200-nm thick aluminum film) without optical pump are compared with those of the proposed sample under photoexcitation powers of 100, 200, and 400 mW.
