近年来我国的通信技术取得了很大的进展,网络需求也在迅猛增长。WDM作为一种最新的通信技术,具有很多新的技术特点,越来越受到重视。本文通过对WDM的关键技术和技术特点分析,剖析了其存在问题和应用环境,最后对WDM技术的发展前景进行了展望。 In recent years, great progress has been made in China’s communication technology. The demand for the Internet is also growing rapidly. As a newest communication technology, WDM has many new technical features and is getting more and more attention. This article analyzes the key technology and technical characteristics of WDM, analyzes its existing problems and application environment, and finally prospects the development of WDM technology.