Research and Application of Quasi-Coherent Technology in C-Band 25 Gbit/s Optical Transceiver

KONG Ling-qiao; BU Qin-lian

doi:10.13756/j.gtxyj.2021.01.008

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Research and Application of Quasi-Coherent Technology in C-Band 25 Gbit/s Optical Transceiver

- Research and Application of Quasi-Coherent Technology in C-Band 25 Gbit/s Optical Transceiver
- Study on Optical Communications Issue 1, Pages: 36-41(2021)
- 作者机构：
  
  1.武汉邮电科学研究院，武汉　430074
  2.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.2021.01.008
  CLC： TN256
- Published：10 February 2021，
  
  Received：12 October 2020，
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KONG Ling-qiao, BU Qin-lian. Research and Application of Quasi-Coherent Technology in C-Band 25 Gbit/s Optical Transceiver. [J]. Study on Optical Communications (1):36-41(2021)
DOI：

KONG Ling-qiao, BU Qin-lian. Research and Application of Quasi-Coherent Technology in C-Band 25 Gbit/s Optical Transceiver. [J]. Study on Optical Communications (1):36-41(2021) DOI： 10.13756/j.gtxyj.2021.01.008.

摘要

针对传统C波段高速光模块传输距离过短的问题，文章对一种准相干接收技术进行了研究，结合现有25 Gbit/s光模块进行了实验，并讨论了准相干接收技术的应用方案。研究发现，准相干接收技术以外差相干检测技术为基础，具有结构简单和成本低等优点，在不使用额外的电或光色散补偿技术的前提下，准相干接收机也能有效减少色散对高速光模块传输距离的影响。实验结果表明，准相干接收机对因色散而劣化的光信号具有很强的处理能力，使用准相干接收机可以显著提高光模块的传输灵敏度，能够将采用传统强度调制技术的C波段25 Gbit/s光模块的传输距离从当前的10 km左右延长至25 km以上。

Abstract

In order to extend the transmission distance of the traditional C-band high-speed optical module

this paper studies a kind of quasi-coherent reception technology based on the existing 25 Gbit/s optical module

and discusses the application scheme of the quasi-coherent reception technology. It is found that the quasi-coherent receiver can effectively reduce the influence of dispersion on the transmission distance of high-speed optical module without using additional electrical or optical dispersion compensation technology. The experimental results show that the quasi-coherent receiver has strong processing ability for optical signals degraded by dispersion

and the use of the quasi-coherent receiver can significantly improve the transmission sensitivity of the optical module. The experimental results show that the quasi-coherent reception technology can extend the transmission distance of the C-band 25 Gbit/s optical module with traditional intensity modulation technology from 10 km to more than 25 km.

关键词

准相干接收机C波段25 Gbit/s光模块色散

Keywords

quasi-coherent receiverC-band25 Gbit/s optical transceiverchromatic dispersion

references

Keiser G. Optical Fiber Communications(Third Edition)[M].北京: 电子工业出版社, 2002.

鲁力.高速光纤通信系统中电子色散补偿技术的研究[D].武汉: 华中科技大学, 2012.

Altabas J A, Gallardo O, Valdecasa G S, et al. DSP-Free Real-Time 25 Gbit/s Quasicoherent Receiver with Electrical SSB Filtering for C-Band Links up to 40 km SSMF[J]. Journal of Lightwave Technology, 2020, 38(7): 1785-1788.

张虎.利用现有光传输链路实现下一代相干光通信系统的研究[D].南京: 南京邮电大学, 2014.

刘祥超.高速传输系统中的电色散补偿技术研究[D].北京: 北京交通大学, 2009.

张勇.数字相干光检测研究与应用[D].北京: 清华大学, 2010.

姚殊畅.高速大容量数字相干光传输关键技术的研究[D].武汉: 华中科技大学, 2015.

沈纲祥.关于下一代光传输网络的演进和升级的一些思考[J].光通信研究, 2017(6): 34-37.

马丽华.光纤通信系统[M].北京: 北京邮电大学出版社, 2015.

周泽隆.基于数字信号处理的相干光接收机关键技术研究[D].成都: 电子科技大学, 2019.

Anet Neto L, Erasme D, Genay N, et al. Simple Estimation of Fiber Dispersion and Laser Chirp Parameters Using the Downhill Simplex Fitting Algorithm[J]. Journal of Lightwave Technology, 2013, 31(2): 334-342.

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