Colorless ONU implementation for WDM-PON using direct-detection optical OFDM

被引：0
|
作者：
冯敏 [1 ,2 ]
罗清龙 [1 ,2 ]
白成林 [1 ,2 ]
机构：
[1] College of Physics Science and Information Engineering, Liaocheng University
[2] Key Laboratory of Optical Communications Science & Technology of Shandong Province, Liaocheng University
来源：
Optoelectronics Letters | 2013年 / 9卷 / 02期
关键词：
ONU; work; WDM; Colorless ONU implementation for WDM-PON using direct-detection optical OFDM; PON;
D O I：
暂无
中图分类号：
TN929.1 [光波通信、激光通信];
学科分类号：
0803 ;
摘要：
A novel architecture for the colorless optical network unit (ONU) is proposed and experimentally demonstrated with direct-detection optical orthogonal frequency division multiplexing (DDO-OFDM). In this architecture, polarization-division multiplexing is used to reduce the cost at ONU. In optical line terminal (OLT), quadrature amplitude modulation (QAM) intensity-modulated OFDM signal with x-polarization at 10 Gbit/s is transmitted as downstream. At each ONU, the optical OFDM signal is demodulated with direct detection, and y-polarization signal is modulated for upstream on-off keying (OOK) data at 5 Gbit/s. Simulation results show that the power penalty is negligible for both optical OFDM downstream and the on-off keying upstream signals after over 50 km single-mode fiber (SMF) transmission.
引用
收藏
页码：135 / 138
页数：4
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