Research on A 400 Gbit/s 286 km Ultra-long Span Repeaterless Optical Transmission

HUANG Li-yan; LIU Yang; XU Jian; LONG Han; SUN Shu-juan; YU Jie-kui; WANG Wen-zhong; LUO Qing

doi:10.13756/j.gtxyj.2020.05.004

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Research on A 400 Gbit/s 286 km Ultra-long Span Repeaterless Optical Transmission

- Research on A 400 Gbit/s 286 km Ultra-long Span Repeaterless Optical Transmission
- Study on Optical communication Issue 5, Pages: 17-20(2020)
- 作者机构：
  
  武汉光迅科技股份有限公司
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2020.05.004
  CLC： TM73;TN929.1
- Published：2020，
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[1]黄丽艳,刘洋,徐健,龙函,孙淑娟,喻杰奎,王文忠,罗清.400 Gbit/s 286 km超长站距无中继传输系统研究[J].光通信研究,2020(05):17-20.

HUANG Li-yan, LIU Yang, XU Jian, et al. Research on A 400 Gbit/s 286 km Ultra-long Span Repeaterless Optical Transmission. [J]. (5):17-20(2020)
[1]黄丽艳,刘洋,徐健,龙函,孙淑娟,喻杰奎,王文忠,罗清.400 Gbit/s 286 km超长站距无中继传输系统研究[J].光通信研究,2020(05):17-20. DOI： 10.13756/j.gtxyj.2020.05.004.

HUANG Li-yan, LIU Yang, XU Jian, et al. Research on A 400 Gbit/s 286 km Ultra-long Span Repeaterless Optical Transmission. [J]. (5):17-20(2020) DOI： 10.13756/j.gtxyj.2020.05.004.

摘要

为将400 Gbit/s高速率应用于超长站距无中继光传输系统

首先对400 Gbit/s双偏振-四进制正交幅度调制（DP-16QAM）及400 Gbit/s双偏振-八进制正交幅度调制（DP-64QAM）两种高阶调制码型及其对应的光信噪比（OSNR）要求进行了研究

然后通过实验研究了两种码型背靠背OSNR的要求及入纤光功率与误码率的关系

最后搭建了具有前后向拉曼放大器的400 Gbit/s超长距光传输链路

通过实验测试了两种码型对应的最远单跨传输距离。实验结果表明

400 Gbit/s DP-16QAM在G.652光纤上利用双向拉曼光放大器最远可以传输286 km

对于电力长跨距来说基本满足了大部分的应用场合。

Abstract

In order to realize high transmission rate of 400 Gbit/s per wavelength in ultra-long span optical transmission system. The Optical-to-Signal Noise Ratio（OSNR） performances of high order modulation formats such as Dual Polarization-16 Quadrature Amplitude Mudulation（DP-16 QAM） and DP-64 QAM are studied at first. Then the relationship between launched optical power and Bit Error Ration（BER） is studied by experiments. Finally

the longest transmission distances are tested by using these two modulation formats and a bidirectionally Raman pumped amplifier. The test results show that the 400 Gbit/s DP-16 QAM optical transmission system can reach 286 km by using Raman optical amplifiers

and it’s suitable for most ultra-long span power communication scenarios.

关键词

超长站距高阶调制相干传输模块

Keywords

ultra-long spanhigh order modulationcoherent transmission module

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