| 无源光接入网中反射式ONU的研究 |
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| 引用本文： | 杨登峰,甘朝钦,朱龙.无源光接入网中反射式ONU的研究[J].光通信研究,2010(1). |
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| 作者姓名： | 杨登峰 甘朝钦 朱龙 |
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| 作者单位： | 特种光纤与光接入网省部共建重点实验室,上海大学,上海,200072 |
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| 基金项目： | 上海市重点学科和科委重点实验室项目 |
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| 摘 要： | 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.
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| 关 键 词： | 光纤到户 接入网 ONU无色化 瑞利反向散射 |
Study on reflective optical network units in passive optical networks |
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| Yang Dengfeng,Gan Chaoqin,Zhu Long.Study on reflective optical network units in passive optical networks[J].Study on Optical Communications,2010(1). |
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| Authors: | Yang Dengfeng Gan Chaoqin Zhu Long |
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| Abstract: | A cost-effective solution for flexible access is very important for FTTH network deployment. Transceivers at the user premises and wavelength distribution schemes are crucial for WDM-PON. Bidirectional single-fiber single-wavelength transmission schemes can considerably simplify the network structure and reduce the average access cost of each customer,but Rayleigh backscattering crosstalk has a serious effect on the system. This article analyzes various solutions for ONU light source and several solutions for suppressing Rayleigh backscattering effect. |
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| Keywords: | FTTH access network colorless ONU Rayleigh backscatter |
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