112-Gbit/s PDM-PAM4 Transmission Over 80-km SMF Using Digital Coherent Detection Without Optical Amplifier

被引：0
|
作者：
Zhou, Xian [1 ,2 ]
Zhong, Kangping [1 ]
Huo, Jiahao [2 ]
Wang, Yiguang [1 ]
Wang, Liang [1 ]
Tu, Jiajing [2 ]
Yang, Yanfu [3 ]
Gao, Lei [4 ]
Zeng, Li [4 ]
Yu, Changyuan [1 ]
Lau, Alan Pak Tao [1 ]
Lu, Chao [1 ]
机构：
[1] Hong Kong Polytech Univ, Photon Res Ctr, Hong Kong, Hong Kong, Peoples R China
[2] Univ Sci & Technol Beijing, Res Ctr Convergence Networks & Ubiquitous Serv, 30 Xue Yuan Rd, Beijing 100083, Peoples R China
[3] Harbin Inst Technol, Shenzhen Grad Sch, Dept EIE, Shenzhen, Peoples R China
[4] Huawei Technol Co, Fixed Network Res & Dev Dept, Shengzhen, Peoples R China
来源：
2016 10TH INTERNATIONAL SYMPOSIUM ON COMMUNICATION SYSTEMS, NETWORKS AND DIGITAL SIGNAL PROCESSING (CSNDSP) | 2016年
关键词：
polarization-division-multiplexing; pulse amplitude modulation; coherent detection; equalization; short reach systems; DMT;
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
In this work, we experimentally demonstrated a 112 Gbit/s polarization-division-multiplexed (PDM) four-level pulse amplitude modulation (PAM4) transmission over 80-km single mode fiber (SMF) using digital coherent detection without optical amplifier and CD compensation for the short reach applications. Here, a signal-phase aided least-mean-square (SPLMS) equalization algorithm is proposed to avoid the effects of carrier frequency offset and phase noise. Without additional carrier recovery algorithms, the PDM-PAM4 system shows good transmission performance. The received optical power (ROP) penalty is only about 0.2 dB after 80 km transmission comparing to back-to-back (BTB) transmission. A receiver sensitivity of 20dBm (at 7% FEC limit) can be reached after 80-km transmission.
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页数：3
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