50 Gbit/s前传光模块关键技术研究与应用展望

盛夏; 马涛; 刘昊; 冯佳

doi:10.11959/j.issn.1000-0801.2024148

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50 Gbit/s前传光模块关键技术研究与应用展望

综述 | 更新时间：2024-08-05

- 50 Gbit/s前传光模块关键技术研究与应用展望
- Research and application prospects on key technologies of 50 Gbit/s front-haul modules
- 电信科学 2024年40卷第5期页码：23-37
- 作者机构：
  
  1.中国电信股份有限公司研究院，北京 102209
  2.中国电信股份有限公司，北京 100045
  3.华为技术有限公司，上海 201206
- 作者简介：
  
  [ "盛夏（1995- ），男，博士，中国电信股份有限公司研究院工程师，主要研究方向为光纤通信技术和光模块技术。" ]
  [ "马涛（1982- ），男，中国电信股份有限公司云网发展部高级项目经理，主要研究方向为光纤通信技术、光网络建设。" ]
  [ "刘昊（1988- ），男，中国电信股份有限公司研究院工程师，主要研究方向为光传输系统与光模块、传输网管控技术等。" ]
  [ "冯佳（1977- ），男，华为技术有限公司无线技术规划专家，主要研究方向为无线基站产品研发、基带领域规划、无线基站光领域技术规划和对外技术合作等。" ]
- 基金信息：
- DOI：10.11959/j.issn.1000-0801.2024148
  中图分类号： TN919
- 收稿日期：2024-03-11，
  
  修回日期：2024-04-01，
  
  纸质出版日期：2024-05-20
- 稿件说明：
移动端阅览
盛夏,马涛,刘昊等.50 Gbit/s前传光模块关键技术研究与应用展望[J].电信科学,2024,40(05):23-37.

SHENG Xia,MA Tao,LIU Hao,et al.Research and application prospects on key technologies of 50 Gbit/s front-haul modules[J].Telecommunications Science,2024,40(05):23-37.
盛夏,马涛,刘昊等.50 Gbit/s前传光模块关键技术研究与应用展望[J].电信科学,2024,40(05):23-37. DOI： 10.11959/j.issn.1000-0801.2024148.

SHENG Xia,MA Tao,LIU Hao,et al.Research and application prospects on key technologies of 50 Gbit/s front-haul modules[J].Telecommunications Science,2024,40(05):23-37. DOI： 10.11959/j.issn.1000-0801.2024148.

摘要

随着全球5G网络的规模化商用及移动互联网流量的迅猛增长，更为丰富的无线频谱资源得以释放，高速率光模块在无线前传网络中的需求日益凸显。聚焦于50 Gbit/s前传光模块的关键技术，深入剖析了前传网络的两种主要组网方式，分析了前传链路的典型传输距离及链路损耗情况，探讨了10 km场景下粗波分复用（coarse wavelength division multiplex，CWDM）中各波长的最大色散值和最小色散值，并研究了相应的色散补偿策略，通过实验验证了不同多径干扰（multi-path interference，MPI）强度下系统光功率代价的变化，详细分析了多径干扰噪声对系统误码性能的潜在影响，为前传光模块参数的优化提供了重要的理论依据。此外，深入研究了50 Gbit/s前传光模块的光电芯片技术方案，对多种不同类型光模块的参数性能进行了严格的测试，提出了针对50 Gbit/s前传光模块光电接口参数的标准化建议，详细介绍了当前50 Gbit/s前传光模块在国内外的标准现状，并展望了未来应用的发展趋势。

Abstract

With the large-scale commercial use of the global 5G network and the rapid growth of mobile Internet traffic

more abundant wireless spectrum resources can be released

and the demand for high-speed optical modules in wireless front-haul networks is increasingly prominent. Focusing on the key technologies of 50 Gbit/s front-haul optical modules

two main networking methods were deeply analyzed

the typical transmission distance and link loss were analyzed

the maximum and minimum dispersion values of coarse wave division multiplexing (CWDM) wavelengths in a 10 km scenario were explored

and the corresponding dispersion compensation strategies were studied. Through experiments

the changes in optical power penalty of different multi-path interference (MPI) were verified

and the potential impact of MPI noise on error performance was analyzed in detail. In addition

deep research on the optoelectronic chip scheme of 50 Gbit/s modules was conducted

the parameters of various types of optical modules were rigorously tested

standardized suggestions for the optoelectronic interface parameters of 50 Gbit/s front-haul modules were proposed

the current standard status of 50 Gbit/s modules at home and abroad was detailed

and the development trend of future applications was prospected.

关键词

Keywords

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