多波段光网络发射机故障幸存信道功率重均衡（特邀）

樊英博; 李亚杰; 阮榕榕; 陈加; 张淡; 安紫奥; 张丰浩; 王伟; 赵永利; 张杰

doi:10.13756/j.gtxyj.2026.260170

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多波段光网络发射机故障幸存信道功率重均衡（特邀）

专题：2025全国硕博士光通信菁英论坛 | 更新时间：2026-10-21

- 多波段光网络发射机故障幸存信道功率重均衡（特邀）
- Survivable Channel Power Re-Equalization under Transmitter Failures in Multi-Band Optical Networks
- 光通信研究 2026年第5期页码：12-21
- 作者机构：
  
  1.北京邮电大学　信息光子学与光通信全国重点实验室，北京　100080
  2.西藏大学　信息科学技术学院，拉萨　850000
- 作者简介：
  
  樊英博（2000-），男，河北石家庄人。博士，主要研究方向为光网络和算力网络资源调度。
  李亚杰，教授。E-mail：yajieli@bupt.edu.cn
- 基金信息：
  
  国家自然科学基金资助项目(62471063;62021005)
- DOI：10.13756/j.gtxyj.2026.260170
  中图分类号： TN929
- 收稿：2026-06-29，
  
  修回：2026-07-28，
  
  纸质出版：2026-10-10
- 稿件说明：
移动端阅览
樊英博，李亚杰，阮榕榕，等. 多波段光网络发射机故障幸存信道功率重均衡[J]. 光通信研究，2026(5): 12-21.

Fan Y B, Li Y J, Ruan R R, et al. Survivable Channel Power Re-Equalization under Transmitter Failures in Multi-Band Optical Networks[J]. Study on Optical Communications, 2026(5): 12-21.
樊英博，李亚杰，阮榕榕，等. 多波段光网络发射机故障幸存信道功率重均衡[J]. 光通信研究，2026(5): 12-21. DOI： 10.13756/j.gtxyj.2026.260170.

Fan Y B, Li Y J, Ruan R R, et al. Survivable Channel Power Re-Equalization under Transmitter Failures in Multi-Band Optical Networks[J]. Study on Optical Communications, 2026(5): 12-21. DOI： 10.13756/j.gtxyj.2026.260170.

摘要

目的

多波段光网络中，功率瞬态是制约系统传输性能的重要因素。当发射机发生故障时，网络原有的功率平衡关系被破坏，幸存信道的功率重新分布，进而导致接收端广义信噪比（GSNR）降低以及GSNR分布平坦性下降。已有研究主要面向单链路或局部节点开展端到端参数优化，难以兼顾全网范围内光功率传播的耦合特性，网络级协同优化能力不足。

方法

文章针对上述问题，提出了一种基于协方差矩阵自适应进化策略（CMA-ES）的幸存信道功率重均衡方法，通过网络级协同调整拉曼泵浦参数，实现故障后幸存信道功率分布的自适应重均衡与传输性能恢复。文章基于GNPy平台建立了多波段光网络系统级传输模型，综合考虑受激拉曼散射（SRS）、跨信道非线性干扰以及信道间功率耦合等因素，将各光复用段（OMS）的泵浦频率和泵浦功率统一建模为连续高维优化变量，并以接收端GSNR均值和标准差构建综合评价函数。利用CMA-ES对参数分布进行协方差自适应更新和概率演化搜索，实现多OMS拉曼泵浦参数的网络级联合优化，从而完成故障后的幸存信道功率重均衡。

结果

仿真结果表明，在单节点多方向发射机故障场景下，文章所提方法能够有效恢复幸存信道的功率分布并改善传输质量。与故障状态相比，全网接收端GSNR平均提升了0.20~0.85 dB，GSNR标准差降低了0.12~0.20 dB，GSNR分布平坦性得到明显改善，目标函数平均提升了约1 dB。

结论

文章所提基于CMA-ES的网络级幸存信道功率重均衡方法，通过协同优化多个OMS中的拉曼泵浦参数，有效缓解了发射机故障引起的功率漂移和GSNR劣化问题，实现了GSNR均值提升与分布平坦性的同步改善，提高了多波段光网络的网络级故障恢复能力，可为故障场景下的功率重均衡提供一种高效的智能优化方案。

Abstract

Objective

Power transient is a critical factor affecting transmission performance in multi-band optical networks. Transmitter failures further disrupt the original network power distribution

resulting in power drift of surviving channels

degradation of the Generalized Signal-to-Noise Ratio (GSNR)

and deterioration of GSNR flatness at the receiver. Existing approaches are primarily based on end-to-end local performance optimization and focus on parameter adjustment for individual links or local nodes

lacking unified modeling of network-level optical power coupling and coordinated optimization across the entire network.

Methods

To address this issue

a surviving-channel power re-equalization method based on the Covariance Matrix Adaptation Evolution Strategy (CMA-ES) is proposed. By jointly optimizing Raman pump parameters at the network level

the proposed method achieves adaptive reconstruction of the surviving-channel power distribution and global performance recovery under transmitter failure scenarios. A multi-band optical network model is established using the GNPy simulation platform

where Stimulated Raman Scattering (SRS)

inter-channel nonlinear interference

and inter-channel power coupling are jointly considered. The pump frequencies and pump powers of all Optical Multiplex Sections (OMS) are modeled as continuous high-dimensional optimization variables

and a comprehensive objective function is constructed based on the mean and standard deviation of the receiver GSNR. CMA-ES is employed to iteratively update the parameter distribution through covariance matrix adaptation and probabilistic evolution

thereby performing network-level joint optimization of Raman pump parameters across multiple OMSs and accomplishing surviving-channel power re-equalization after failures.

Results

Simulation results demonstrate that

under single-node multi-direction transmitter failure scenarios

the proposed method effectively restores the power distribution of surviving channels and improves transmission quality. Compared with the failure state

the average GSNRs of all receivers are improved by 0.20~0.85 dB

while the GSNR standard deviation is reduced by 0.12~0.20 dB

leading to a significant improvement in GSNR distribution flatness. Meanwhile

the proposed method achieves an average objective-function gain of approximately 1 dB.

Conclusion

The proposed CMA-ES-based network-level surviving-channel power re-equalization method effectively mitigates power drift and GSNR degradation caused by transmitter failures through collaborative optimization of Raman pump parameters across multiple OMSs. It simultaneously improves the average GSNR and the flatness of the GSNR distribution

thereby enhancing the network-level failure recovery capability of multiband optical networks. The proposed method provides an efficient intelligent optimization solution for power re-equalization under transmitter failure scenarios.

关键词

Keywords

references

Wellbrock G , Xia T J . How Will Optical Transport Deal with Future Network Traffic Growth? [C ] // 2014 The European Conference on Optical Communication (ECOC) . Cannes, France : IEEE , 2014 : 6964248 .

Cantono M , Schmogrow R , Newland M , et al . Opportunities and Challenges of C+L Transmission Systems [J ] . Journal of Lightwave Technology , 2020 , 38 ( 5 ): 1050 - 1060 .

武天泽 . 高谱效多维光纤传输技术研究 [D ] . 北京 : 北京邮电大学 , 2025 .

Wu T Z . Research on Multi-Dimensional Fiber Optic Transmission Technology with High Spectral Efficiency [D ] . Beijing, China : Beijing University of Posts and Telecommunications , 2025 .

Li S , Song Y , Cui Z , et al . Digital Twin-Enabled Fast Fiber Loss Anomaly Detection in Multi-Band Optical Transmission Systems via SRS Intensity Variation [J ] . Journal of Lightwave Technology , 2025 , 43 ( 12 ): 5718 - 5730 .

Wang D , Zhang C , Chen W , et al . A Review of Machine Learning-based Failure Management in Optical Networks [J ] . Science China Information Sciences , 2022 , 65 ( 11 ): 211302 .

Wang C , Hu Y , Shen S , et al . Channel Power Management of 400 G Transmission System based on C6T+L6T Spectrum and QPSK Modulation Format [J ] . Optics Express , 2024 , 32 ( 11 ): 20279 .

Souza A , Eira A , Costa N , et al . On the Impact of Fault-Induced Power Transients in Wideband Optical Networks [C ] // Optical Fiber Communication Conference (OFC)2023 . San Diego, USA : Optica Publishing Group , 2023 : M4G.6 .

Song Y , Fan Q , Lu C , et al . Efficient Three-Step Amplifier Configuration Algorithm for Dynamic C L-Band Links in Presence of Stimulated Raman Scattering [J ] . Journal of Lightwave Technology , 2023 , 41 ( 5 ): 1445 - 1453 .

Souza A , Costa N , Pedro J , et al . Comparative Assessment of S+C+L-Band and E+C+L-Band Systems with Hybrid Amplification [C ] // Optical Fiber Communication Conference (OFC)2024 . San Diego, USA : Optica Publishing Group , 2024 : Th1I.5 .

Yankov M P , Da Ros F , de Moura U C , et al . Flexible Raman Amplifier Optimization based on Machine Learning-Aided Physical Stimulated Raman Scattering Model [J ] . Journal of Lightwave Technology , 2023 , 41 ( 2 ): 508 - 514 .

Wang D , Song Y , Zhang Y , et al . Digital Twin of Optical Networks: a Review of Recent Advances and Future Trends [J ] . Journal of Lightwave Technology , 2024 , 42 ( 12 ): 4233 - 4259 .

赵卫 , 付士杰 , 盛泉 , 等 . 辅助光对高功率掺镱光纤激光放大器受激拉曼散射效应的抑制作用 [J ] . 物理学报 , 2024 , 73 ( 20 ): 129 - 135 .

Zhao W , Fu S J , Sheng Q , et al . Suppression Effect of Auxiliary Laser on Stimulated Raman Scattering Effect of High-Power Yb-Doped Fiber Laser Amplifier [J ] . Acta Physica Sinica , 2024 , 73 ( 20 ): 129 - 135 .

张旭 , 罗鸣 , 杨超 , 等 . 多波段大容量光传输系统研究 [J ] . 光通信研究 , 2022 , ( 5 ): 1 - 6 .

Zhang X , Luo M , Yang C , et al . Research of Large Capacity Optical Transmission System based on S/C/L Band [J ] . Study on Optical Communications , 2022 , ( 5 ): 1 - 6 .

Wang C , Wang Z , Lu R , et al . Field Operation Data Analysis of Optical Interconnects in AI Computing Networks [C ] // Optical Fiber Communication Conference (OFC)2026 . Los Angeles, USA : Optica Publishing Group , 2026 : Th3B.1 .

王芮 , 任学诚 , 林鸿 , 等 . S+C+L多波段光纤传输系统的容量提升技术研究(特邀) [J ] . 光学学报 , 2025 , 45 ( 13 ): 1306035 .

Wang R , Ren X C , Lin H , et al . Capacity Enhancement Technologies for S+C+L Band Optical Fiber Transmission System (Invited) [J ] . Acta Optica Sinica , 2025 , 45 ( 13 ): 1306035 .

Ferrari A , Napoli A , Fischer J K , et al . Assessment on the Achievable Throughput of Multi-Band ITU-T G.652. D Fiber Transmission Systems [J ] . Journal of Lightwave Technology , 2020 , 38 ( 16 ): 4279 - 4291 .

Borraccini G , Straullu S , Giorgetti A , et al . Experimental Demonstration of Partially Disaggregated Optical Network Control Using the Physical Layer Digital Twin [J ] . IEEE Transactions on Network and Service Management , 2023 , 20 ( 3 ): 2343 - 2355 .

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