As one kind of broadband access technologies, WDM-PON has any predominant advantages, and its basic operation principle is introduced in this paper.

• 介绍WDM-PON的基本工作原理及作为一种宽带接入技术的优势,并对其关键技术,如多波长激光器、波长路由器等,作了分析和探讨。