未来宽带光通信和开关网络所需的许多信号处理功能将在以波导为基础的系统中最有效地实现,在此系统中,光电子集成电路起着能识别和处理所需光学信号的智能控制点作用。能够探测波导光的快速光电探测器是这种系统成 Many of the signal processing functions required for future broadband optical communications and switching networks will be most efficiently implemented in waveguide based systems where the optoelectronic integrated circuits serve as intelligent control points that recognize and process the desired optical signals effect. A fast photodetector capable of detecting waveguide light is such a system