在100公里标准单模光纤和1:64无源分光比条件下，具有无需高速光网络单元（ONU）端电子设备的1.92太比特每秒相干密集波分复用光正交频分多址无源光网络（DWDM-OFDMA-PON）
1.92 Tb/s coherent DWDM-OFDMA-PON with no high-speed ONU-side electronics over 100 km SSMF and 1:64 passive split.
作者信息
Cvijetic Neda, Huang Ming-Fang, Ip Ezra, Shao Yin, Huang Yue-Kai, Cvijetic Milorad, Wang Ting
机构信息
NEC Laboratories America, Princeton, NJ 08540, USA.
出版信息
Opt Express. 2011 Nov 21;19(24):24540-5. doi: 10.1364/OE.19.024540.
Record 1.92-Tb/s (40λ × 48 Gb/s/λ) coherent DWDM-OFDMA-PON without high-speed ONU-side ADCs/DACs/DSP/RF clock sources is demonstrated over 100 km straight SSMF with a 1:64 passive split. Novel optical-domain OFDMA sub-band selection, coherent detection, and simple RF components are exploited. As the first experimental verification of a next-generation optical platform capable of delivering 1 Gb/s to 1000(+) users over 100 km, the new architecture is promising for future optical access/metro systems.
展示了一种1.92-Tb/s（40波长×48 Gb/s/波长）的相干密集波分复用-光正交频分多址无源光网络（DWDM-OFDMA-PON），该网络无需高速光网络单元（ONU）端的模数转换器（ADCs）/数模转换器（DACs）/数字信号处理器（DSP）/射频（RF）时钟源，通过100公里长的单模光纤（SSMF）实现了1:64的无源分光。利用了新颖的光域OFDMA子带选择、相干检测和简单的射频组件。作为下一代光平台在100公里范围内能够为1000（及以上）用户提供1 Gb/s速率的首次实验验证，这种新架构对未来的光接入/城域系统很有前景。
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