Study On Optical Communications, Volume. 50, Issue 1, 23013701(2024)
Analysis of DWDM-based Beyond 100 Gbit/s Hybrid Networking
Figures & Tables(8)
![Comparison in DSP blocks between single carrier and DSCM[13]](/Images/icon/loading.gif){kind=icon}
Fig. 2. Comparison in DSP blocks between single carrier and DSCM[13]
Fig. 3. Optical spectrum of a 91.6 GBaud 800 Gbit/s signal under a 100 GHz grid, equipped with spectrum shaping
Fig. 4. Beyon 100 Gbit/s hybrid networking topology of a project (partial)
Table 1. Channel spacings, modulation formats and application scenarios for Beyon 100 Gbit/s single wave rate adaptation
View tableView in ArticleTable 1. Channel spacings, modulation formats and application scenarios for Beyon 100 Gbit/s single wave rate adaptation
单波速率/Gbit/s 通道间隔/GHz 调制码型 传输距离与应用场景 100 50 DP-QPSK >2 000 km，干线 200 50 DP-16QAM 600 km，城域 200 75 DP-QPSK >2 000 km，干线 400 75 DP-16QAM 400 km，城域 400 100 DP-PCS-16QAM 1 000 km，省干线/城域核心 400 150 DP-QPSK >1 500 km，干线 800 150 DP-16QAM 300 km，城域
Table 2. Networking parameters and OSNR calculation results for an east-west long-haul transmission link
View tableView in ArticleTable 2. Networking parameters and OSNR calculation results for an east-west long-haul transmission link
跨段起点－终点 跨段长度/km 跨段损耗/dB 整链路输出端OSNR/dB A-B 20 9.50 各波最小20.67 各波最大24.66 B-C 68 21.50 C-D 43 15.25 D-E 77 23.75 E-F 80 24.50 F-G 60 19.50 G-H 80 24.50 H-I 56 18.50 I-J 90 27.00
Table 3. Networking parameters, OSNR calculation results, and rate selection for several transmission links
View tableView in ArticleTable 3. Networking parameters, OSNR calculation results, and rate selection for several transmission links
跨段起点－终点 跨段长度/km 跨段数 输出端最大OSNR/dB 输出端最小OSNR/dB 设计速率/Gbit/s A-B …-J(详见表2) 574 9 24.66 20.67 200 A-X 31 1 38.41 38.01 800 A-Z 55 1 35.45 34.98 800 A-Y 60 1 34.59 34.10 800 X-Y 75 1 31.38 30.91 800 Y-Z 68 1 33.06 32.57 800 X-Y-Z 143 2 29.74 28.80 600
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Yunchang CHEN, Liang MEI, Mingwen HE, Jitao GAO. Analysis of DWDM-based Beyond 100 Gbit/s Hybrid Networking[J]. Study On Optical Communications, 2024, 50(1): 23013701
Paper Information
Category: Research Articles
Received: Aug. 30, 2023
Accepted: --
Published Online: Apr. 9, 2024
The Author Email: GAO Jitao (jtgao9326@fiberhome.com)
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