560 Tbit/s Coherent Optical PDM DFT-s OFDM 32QAM Signal Transmission over 10 km Single-Mode 7 Core Fiber

LUO Ming; QIU Ying; LI Xiang; MO Qi; HE Zhi-xue; LIU Wu; YANG Qi; YU Shaohua

doi:10.13756/j.gtxyj.2017.02.001

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560 Tbit/s Coherent Optical PDM DFT-s OFDM 32QAM Signal Transmission over 10 km Single-Mode 7 Core Fiber

- 560 Tbit/s Coherent Optical PDM DFT-s OFDM 32QAM Signal Transmission over 10 km Single-Mode 7 Core Fiber
- Study on Optical communication Issue 2, Pages: 1-4(2017)
- 作者机构：
  
  1. 武汉邮电科学研究院光纤通信技术和网络国家重点实验室
  2. 烽火通信科技股份有限公司
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2017.02.001
  CLC： TN929.1
- Published：2017，
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[1]罗鸣,邱英,李响,莫琦,贺志学,刘武,杨奇,余少华.560 Tbit/s相干光双偏振DFT-s OFDM 32QAM信号10 km单模7芯光纤传输实验[J].光通信研究,2017(02):1-4+8.

LUO Ming, QIU Ying, LI Xiang, et al. 560 Tbit/s Coherent Optical PDM DFT-s OFDM 32QAM Signal Transmission over 10 km Single-Mode 7 Core Fiber. [J]. Study on Optical communication (2):1-4(2017)
[1]罗鸣,邱英,李响,莫琦,贺志学,刘武,杨奇,余少华.560 Tbit/s相干光双偏振DFT-s OFDM 32QAM信号10 km单模7芯光纤传输实验[J].光通信研究,2017(02):1-4+8. DOI： 10.13756/j.gtxyj.2017.02.001.

LUO Ming, QIU Ying, LI Xiang, et al. 560 Tbit/s Coherent Optical PDM DFT-s OFDM 32QAM Signal Transmission over 10 km Single-Mode 7 Core Fiber. [J]. Study on Optical communication (2):1-4(2017) DOI： 10.13756/j.gtxyj.2017.02.001.

摘要

将空分复用技术与DWDM（密集波分复用）技术相结合

在国内首次实现了560Tbit/s相干光双偏振DFT-s（离散傅里叶变换）OFDM（正交频分复用）32QAM（正交幅度调制）信号传输10km单模7芯光纤的演示实验。系统使用了16个独立光源产生375个25GHz栅格的DWDM信道

单芯传输容量为85.91Tbit/s

7芯传输总容量为601.36Tbit/s。系统使用普通FEC（前向纠错）编码

解码门限为3.8×10-3

编码冗余为7%

系统净传输速率为562.02Tbit/s

净谱效率为59.95bit/s/Hz。

Abstract

In this paper

we combine the Space Division Multiplexing（SDM）and Dense Wavelength Division Multiplexing（DWDM）technologies to experimentally demonstrate 560Tbit/s coherent optical dual-polarization DFT-s Orthogonal Frequency Division Multiplexing（OFDM）32Quadrature Amplitude Modulation（QAM）signal transmission over 10 km single-mode7 core fiber.The system uses 16 independent laser sources to generate 375 DWDM channels with 25 GHz grid.The channel capacity for single core is 85.91Tbit/s and the total channel capacity for the 7core fiber is 601.36Tbit/s.After excluding the 7%Forward Error Correction（FEC）which aiming at the threshold of 3.8×10-3

the net data rate is 562.02Tbit/s with spectral efficiency of 59.95bit/s/Hz.

关键词

单模7芯光纤相干光OFDM密集波分复用

Keywords

single-mode 7 core fibercoherent optical OFDMDWDM

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