Design and fabrication of multi-channel photodetector array monolithic with arrayed waveguide grating
Lv Qian-Qian, Pan Pan, Ye Han, Yin Dong-Dong, Wang Yu-Bing, Yang Xiao-Hong, Han Qin†,
       

(a) Longitudinal section of the electric field distribution in device without absorption coefficient when the refractive index of matching layer is 3.255; (b) the longitudinal section of the electric field distribution in device without absorption coefficient when the refractive index of matching layer is 3.41.