The Research on 400 Gbit/s Single-carrier Unrepeatered Ultra Long Haul Transmission

ZHANG Yong-sheng; ZHANG Lin; WU Jian-Jun

doi:10.13756/j.gtxyj.2021.03.006

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The Research on 400 Gbit/s Single-carrier Unrepeatered Ultra Long Haul Transmission

- The Research on 400 Gbit/s Single-carrier Unrepeatered Ultra Long Haul Transmission
- Study on Optical Communications Issue 3, Pages: 25-28(2021)
- 作者机构：
  
  1.国网内蒙古东部电力有限公司信息通信分公司，呼和浩特　012000
  2.国网内蒙古东部电力有限公司经济技术研究院，哈尔滨　150000
  3.武汉光迅科技股份有限公司，武汉　430205
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2021.03.006
  CLC： TN929.11
- Published：10 June 2021，
  
  Received：17 November 2020，
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ZHANG Yong-sheng, ZHANG Lin, WU Jian-Jun. The Research on 400 Gbit/s Single-carrier Unrepeatered Ultra Long Haul Transmission. [J]. Study on Optical Communications (3):25-28(2021)
DOI：

ZHANG Yong-sheng, ZHANG Lin, WU Jian-Jun. The Research on 400 Gbit/s Single-carrier Unrepeatered Ultra Long Haul Transmission. [J]. Study on Optical Communications (3):25-28(2021) DOI： 10.13756/j.gtxyj.2021.03.006.

摘要

针对单载波传输速率不断提升对超长距无中继通信的传输跨距带来巨大挑战的问题，文章主要采用高阶泵浦前后向遥泵放大技术，结合G.654E超低损、大有效面积光纤及子载波频分多路复用技术，通过优化高阶泵浦功率、远程增益单元性能、线路放置位置和信号波传输波长等光路子系统参数，实现了单跨距501.18 km（78.68 dB）单载波400 Gbit/s无中继单纤芯超长距离传输。

Abstract

With the continuous improvement of single carrier transmission rate

it is great challenging to increase the transmission distance in unrepeatered link. This paper demonstrates a unrepeatered transmission of single-carrier 400 Gbit/s over 501.18 km with 78.68 dB span loss using single fiber for the first time. The technology of high-order pumps

forward and backward remote optically pumped amplifier

sub-carrier frequency-division multiplexing and ultra-low & large effective area fiber are used in this experiment. The transmission wavelength

the power of the high-order pump and the location of the remote gain unit are also optimized in this work.

关键词

高速率通信无中继传输高阶泵浦远程放大

Keywords

high-rate communicationunrepeatered transmissionhigh-order pumpremote amplifier

references

孙淑娟, 李伟华, 邓黎.100 Gbit/s 551 km G.654E光纤超长距离传输系统研究[J].光通信技术, 2018, 13(6): 49-51.

Joao C, Januario , Sandro M, et al. Unrepeatered WDM Transmission of Single Carrier 400G(66-GBd PDM-16QAM)over 403 km[C]//Optical Fiber Communication Conference. San Francisco, USA: IEEE, 2007: Th4D.1.

Hans B, Christian B, Suwimol D, et al. Record Single Fiber Unrepeatered Transmission of 2×500 Gb/s over 405.7 km[C]//ECOC, DUBLIN. Germany: IEEE, 2019: Tu.1. A.

Papemyi S, Karpov V, Ciements W, et al. Third Order Cascaded Raman Amplification[C]//Optical Fiber Communication Conference. San Diego, USA: IEEE, 2002: FB4-1-FB4-3.

Clifford H, Govind A, Yoshihiro E, et al. Raman Amplifification in Fiber Optical Communication Systems[M]. Burlington, United States of America: Elsevier Academic Press, 2005.

Meng Q, Qunbi Z, Mathieu C, et al. Digital Subcarrier Multiplexing for Fiber Nonlinearity Mitigation in Coherent Optical Communication Systems[J]. Optical Express, 2014, 22(15): 18770-18777.

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School of Electric and Electronic Engineering,North China Electric Power University

华北电力大学电气与电子工程学院北京102206

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