无源光接入网中反射式ONU的研究Study on reflective optical network units in passive optical networks
杨登峰;甘朝钦;朱龙;
摘要(Abstract):
对光纤到户(FTTH)网络来说,一个低成本高效的灵活接入方案是非常重要的。在波分复用-无源光网络(WDM-PON)中,用户端的收发器件以及波长分配方案是系统的关键。单纤双向单波长方案可以大大简化网络结构,降低用户的接入成本,但这种结构存在很严重的瑞利反向散射的串扰。文章分析了各种不同ONU端光源的实现方式,并分析了若干种抑制瑞利反向散射串扰影响的技术。
关键词(KeyWords): 光纤到户;接入网;ONU无色化;瑞利反向散射
基金项目(Foundation): 上海市重点学科和科委重点实验室项目(S30108,08DZ2231100)
作者(Author): 杨登峰;甘朝钦;朱龙;
Email:
DOI: 10.13756/j.gtxyj.2010.01.007
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