Real-Time Optical OFDM Long-Reach PON System Over 100 km SSMF Using a Directly Modulated DFB Laser

被引：66

作者：

Chen, Ming ^{[1
]}

He, Jing ^{[1
]}

Chen, Lin ^{[1
]}

机构：

[1] Hunan Univ, Minist Educ, Sch Informat Sci & Engn, Key Lab Micro Nano Optoelect Devices, Changsha 410082, Hunan, Peoples R China

来源：

JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING | 2014年 / 6卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Channel estimation; Long-reach passive optical network (LR-PON); Orthogonal frequency-division multiplexing (OFDM); Real-time signal processing; Symbol synchronization; IMDD SYSTEMS; 25KM SMF; SYNCHRONIZATION; TRANSMISSION; FREQUENCY; NETWORKS;

D O I：

10.1364/JOCN.6.000018

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

A real-time base-band orthogonal frequency division multiplexing (OFDM) transceiver with a simple symbol synchronization and channel estimation scheme is implemented on only one off-the-shelf commercial field programmable gate array (FPGA). The real-time optical OFDM long-reach passive optical network (PON) system with direct detection over 100 km standard single-mode fiber (SSMF) employing a cost-effective directly modulated distributed feedback (DFB) laser has been successfully demonstrated experimentally. The experimental results show that the simplified symbol synchronization with low complexity and high accuracy is effective for long-reach optical OFDM transmission systems. After 100 km SSMF transmission, the power penalty at a bit-error rate of 1e - 3 is only about 1.1 dB.

引用

页码：18 / 25

页数：8

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