光通信网络主要利用光纤维的丰厚带宽资源,光信号处理技术是通信网络的关键所在。当前,非线性器件中的非线性效应,是应用全光信号处理技术的主要方式。本文主要介绍了网络技术的不断发展中光网络技术的发展现状及进程,并浅析了在接入网和传送网中,光网络所起到的关键作用,也指出了未来发展中所面临的挑战。同时还分析了光通信网络发展中,光信号处理技术的实现流程及其研究现状。 The optical communication network mainly utilizes abundant bandwidth resources of the optical fiber, and the optical signal processing technology is the key of the communication network. At present, the non-linear effect in nonlinear devices is the main way to apply all-optical signal processing technology. This article mainly introduces the current situation and process of development of optical network technology in network technology, and analyzes the key role that optical network plays in access network and transport network. It also points out the problems in the future development challenge. At the same time, it also analyzes the realization process and research status of optical signal processing in the development of optical communication network.