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基于光子灯笼的正交频分/模分复用IM-DD多模光纤传输系统

Orthogonal Frequency Division/Mode Division Multiplexing IM-DD Multimode Fiber Transmission System Based on Photonic Lanterns

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摘要

提出一个基于光子灯笼的正交频分复用(OFDM)/模分复用多模光纤传输系统,利用2个模式选择性光子灯笼分别作为模式复用与解复用器,选取LP01模与LP11b模式作为发送信道,利用自适应比特加载OFDM调制方式在50 m长的OM4多模光纤上实现了7.2 Gb/s的传输。实验结果表明,调整2路信号的偏振态,当LP01端的入射光功率比LP11b端的入射光功率低4 dB左右时,可以保证2路信号在接收端的光功率一致。当2路信号的接收光功率均低至-13 dBm时,2路信号的误码率分别为1.3×10-3与3.2×10-3,均低于硬判决前向纠错(HD-FEC)门限。该系统为低成本、短距离以及大容量的数据传输场景提供了解决方案。

Abstract

A orthogonal frequency division multiplexing(OFDM)/mode division multiplexing multimode fiber transmission system based on photonic lanterns(PL) is proposed. Two mode selective PLs are used as multiplexer(MUX) and demultiplexer(DEMUX). LP01 mode and LP11b mode are selected as the transmission channels. An adaptive bit loading OFDM modulation is used to achieve the transmission of 7.2 Gb/s on a 50 m OM4 multimode fiber. The experimental results show that when the incident light power of LP01 mode is about 4 dB lower than that of LP11b mode, we can achieve the same received optical power by adjusting the polarization state of the two signals. When the received power is -13 dBm, the bit error rates(BERs) of two signals are 1.3×10-3 and 3.2×10-3, respectively, which are lower than the threshold of hard decision-forward error correction (HD-FEC). The system provides a solution for the large capacity data transmission with low cost at short distance.

Newport宣传-MKS新实验室计划
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中图分类号:TN915.62

DOI:10.3788/aos201838.0606008

所属栏目:光纤光学与光通信

基金项目:国家自然科学基金(61420106011,61635006,61601279,61601277)、上海市科委项目(17010500400,16511104100,16YF1403900)

收稿日期:2018-01-26

修改稿日期:2018-02-09

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陈健:上海先进通信与数据科学研究院, 上海 200444上海大学特种光纤与光接入网重点实验室, 上海 200444
黄青青:上海先进通信与数据科学研究院, 上海 200444上海大学特种光纤与光接入网重点实验室, 上海 200444
张倩武:上海先进通信与数据科学研究院, 上海 200444上海大学特种光纤与光接入网重点实验室, 上海 200444
王腾:上海先进通信与数据科学研究院, 上海 200444上海大学特种光纤与光接入网重点实验室, 上海 200444
曾祥龙:上海先进通信与数据科学研究院, 上海 200444上海大学特种光纤与光接入网重点实验室, 上海 200444
宋英雄:上海先进通信与数据科学研究院, 上海 200444上海大学特种光纤与光接入网重点实验室, 上海 200444
李迎春:上海先进通信与数据科学研究院, 上海 200444上海大学特种光纤与光接入网重点实验室, 上海 200444
张俊杰:上海先进通信与数据科学研究院, 上海 200444上海大学特种光纤与光接入网重点实验室, 上海 200444

联系人作者:张倩武(zhangqianwu@shu.edu.cn)

备注:陈健(1965-),男,博士,副研究员,硕士生导师,主要从事数字通信及相关技术方向的研究。E-mail: chenjian@shu.edu.cn

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引用该论文

Chen Jian,Huang Qingqing,Zhang Qianwu,Wang Teng,Zeng Xianglong,Song Yingxiong,Li Yingchun,Zhang Junjie. Orthogonal Frequency Division/Mode Division Multiplexing IM-DD Multimode Fiber Transmission System Based on Photonic Lanterns[J]. Acta Optica Sinica, 2018, 38(6): 0606008

陈健,黄青青,张倩武,王腾,曾祥龙,宋英雄,李迎春,张俊杰. 基于光子灯笼的正交频分/模分复用IM-DD多模光纤传输系统[J]. 光学学报, 2018, 38(6): 0606008

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