Bolometric effect in a waveguide-integrated graphene photodetector

Wang Yubing, Yin Weihong, Han Qin^†,, Yang Xiaohong, Ye Han, Lv Qianqian, Yin Dongdong

(a) Current I as a function of bias voltage V_b with and without illumination. (b) The photocurrent versus V_b curve. V_b is limited within 1 V.