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) Cross section of the integrated structure; (b) the schematic structure of the ECPD integrated with the AWG output waveguide.