Study On Optical Communications, Volume. 50, Issue 5, 24003101(2024)
Optical Modules for Optical Burst Switching
Figures & Tables(8)
Fig. 4. The design of 400 Gbit/s ER4/ 800 Gbit/s ER8 QSFP-DD optical module
Fig. 6. TO process burst mode 200 Gbit/s QSFP-DD ER2 optical module
Table 1. Several 409.6 Tbit/s solutions by pure electrical switch and OBS
View tableView in ArticleTable 1. Several 409.6 Tbit/s solutions by pure electrical switch and OBS
102.4 Tbit/s交换机 51.2 Tbit/s交换机＋16×16 OBS模块 25.6 Tbit/s交换机＋32×32 OBS模块 12.8 Tbit/s交换机＋64×64 OBS模块 系统架构 8台L1＋4台L2交换机 16台L1电交换机＋L2光交换模块 32台L1电交换机＋L2光交换模块 64台L1电交换机＋L2光交换模块 电交换机数量/台 12 16 32 64 延迟 3倍以太网交换机延迟 2倍以太网交换机延迟 2倍以太网交换机延迟 2倍以太网交换机延迟 主芯片制程/nm 3 5 7 12 主芯片功耗/kW 6.0 8.0 12.8 14.4 光模块数量和类型 768只8×200 Gbit/s 光模块 1 024只4×100 Gbit/s ER4光模块 512只8×100 Gbit/s 2ER4光模块 2 048只4×50 Gbit/s ER2光模块 光模块总带宽 1.6 Tbit/s×768=102.4 Tbit/s×12=1228.8 Tbit/s 400 Gbit/s×1 024=25.6 Tbit/s×16=409.6 Tbit/s 800 Gbit/s×512=12.8 Tbit/s×32=409.6 Tbit/s 200 Gbit/s×2 048=6.4 Tbit/s×64=409.6 Tbit/s
Table 2. Power and link budget comparison of several ER optical module
View tableView in ArticleTable 2. Power and link budget comparison of several ER optical module
光模块种类 光模块各主要部分功耗/W 总功耗/W 光源芯片 OMA/dBm 光链路预算/dB DSP 驱动 TIA 光源 制冷 Tx Rx 800 Gbit/s ER8 (TFLN＋APD) 8.6 1.6 1.6 1.5 2.3 15.50 8片30 mW芯片 ＋5 －15 20 800 Gbit/s 2ER4 (TFLN＋PD) 8.6 1.6 1.6 3.0 4.5 19.35 8片60 mW芯片 ＋9 －11 20 800 Gbit/s 2ER4 (TFLN＋APD) 8.6 1.6 1.6 1.5 2.3 15.50 4片60 mW芯片 ＋5 －15 20 400 Gbit/s ER4 (TFLN＋PD) 4.9 0.8 0.8 1.5 2.3 10.20 4片60 mW芯片 ＋9 －11 20 200 Gbit/s ER2 (EML＋APD) 2.4 0.4 0.4 0.6 0.9 4.70 2片EML芯片 ＋5 －15 20
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Shuiqing Huang. Optical Modules for Optical Burst Switching[J]. Study On Optical Communications, 2024, 50(5): 24003101
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Received: Feb. 8, 2024
Accepted: --
Published Online: Oct. 15, 2024
The Author Email: Huang Shuiqing (qsfp28@sina.com)
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