Power Efficiency Theory and System Parameter Optimization for Multi-Core Fiber-Based Submarine Cables

Lin Sun; Ning Liu; Yi Cai; Junwei Zhang; Zhaohui Li; Chao Lü; Gangxiang Shen

doi:10.3788/AOS202242.1506005

Acta Optica Sinica, Volume. 42, Issue 15, 1506005(2022)

Power Efficiency Theory and System Parameter Optimization for Multi-Core Fiber-Based Submarine Cables

Lin Sun¹, Ning Liu^1、*, Yi Cai¹, Junwei Zhang², Zhaohui Li³, Chao Lü², and Gangxiang Shen¹

Author Affiliations

¹School of Electronic and Information Engineering, Soochow University, Suzhou ,215006, Jiangsu , China;

²Department of Electrical and Information Engineering, The Hongkong Polytechnic University, Hong Kong ,999077, China;

³School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou ,510275, Guangdong , China;

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Figures & Tables(7)

Fig. 1. Relative power efficiency of MCF-based submarine cable to SMF submarine cable under different FIFO insertion losses. (a) 4-core submarine cable; (b) 7-core submarine cable

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Fig. 2. Relative power efficiency of MCF-based submarine cable to SMF submarine cable under different NFs of OA. (a) 4-core submarine cable; (b) 7-core submarine cable

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Fig. 3. Relative power efficiency of MCF-based submarine cable to SMF submarine cable under different electro-optical efficiencies of OA. (a) 4-core submarine cable; (b) 7-core submarine cable

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Fig. 4. Relative power efficiency of MCF-based submarine cable to SMF submarine cable under different inter-core crosstalk. (a) 4-core submarine cable; (b) 7-core submarine cable

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Table 1. Parameters for trans-Atlantic and trans-Pacific submarine cables

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Table 1. Parameters for trans-Atlantic and trans-Pacific submarine cables

Trans-Atlantic submarine cable

length /km

Trans-Pacific submarine cable

length /km

Supplying

voltage /kV

Overall electro-optical efficiency of repeater /%

OA′s noise figure /dB

Nonlinearity

parameter / $(W$ · $m^{- 1})$

6000

11000

1.5

0.81×10^-3

Table 2. Capacity comparison between MCF and SMF based submarine cables
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Table 2. Capacity comparison between MCF and SMF based submarine cables
Experiment SMF submarine cable 4-core MCF submarine cable 7-core MCF submarine cable
Trans-Atlantic experiment 630.03 1592.90 2014.33
Trans-Pacific experiment 310.20 350.37 350.37

Table 3. Power efficiency comparison between MCF and SMF based submarine cables
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Table 3. Power efficiency comparison between MCF and SMF based submarine cables
Experiment SMF submarine cable 4-core MCF submarine cable 7-core MCF submarine cable
Trans-Atlantic experiment 67.20 169.91 214.86
Trans-Pacific experiment 60.66 68.51 68.51

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Lin Sun, Ning Liu, Yi Cai, Junwei Zhang, Zhaohui Li, Chao Lü, Gangxiang Shen. Power Efficiency Theory and System Parameter Optimization for Multi-Core Fiber-Based Submarine Cables[J]. Acta Optica Sinica, 2022, 42(15): 1506005

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