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Acta Optica Sinica, Volume. 41, Issue 9, 0906001(2021)

Gain Equalization of Few-Mode Fiber Amplifier Based on Genetic Algorithm

Wensheng Wang, Tigang Ning, Li Pei*, Jingjing Zheng, Jianshuai Wang, and Huai Wei
Author Affiliations
  • Key Lab of All Optical Network & Advanced Telecommunication Network of EMC, Institute of Lightwave Technology, Beijing Jiaotong University, Beijing 100044, China
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    Fiber radial erbium-doped radius and particle number concentration of each layer. (a) Three-layer erbium-doped structure; (b) four-layer erbium-doped structure

    Fig. 1. Fiber radial erbium-doped radius and particle number concentration of each layer. (a) Three-layer erbium-doped structure; (b) four-layer erbium-doped structure

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    Gain characteristics of 4M-EDFA. (a) LP01 mode pumping; (b) LP02+LP21 mode pumping

    Fig. 2. Gain characteristics of 4M-EDFA. (a) LP01 mode pumping; (b) LP02+LP21 mode pumping

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    Gain characteristics of 5M-EDFA. (a) LP02+LP31 mode pumping; (b) LP02+LP21+LP31 mode pumping

    Fig. 3. Gain characteristics of 5M-EDFA. (a) LP02+LP31 mode pumping; (b) LP02+LP21+LP31 mode pumping

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    Gain and noise figure of each signal mode change with pump power. (a) 4M-EDFA is pumped in LP01 mode; (b) 4M-EDFA is pumped in LP02+LP21 mode; (c) 5M-EDFA is pumped in LP02+LP31 mode; (d) 5M-EDFA is pumped in LP02+LP21+LP31 mode

    Fig. 4. Gain and noise figure of each signal mode change with pump power. (a) 4M-EDFA is pumped in LP01 mode; (b) 4M-EDFA is pumped in LP02+LP21 mode; (c) 5M-EDFA is pumped in LP02+LP31 mode; (d) 5M-EDFA is pumped in LP02+LP21+LP31 mode

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    Gain and noise figure of each signal mode change with wavelength of signal. (a) 4M-EDFA is pumped in LP01 mode; (b) 4M-EDFA is pumped in LP02+LP21 mode; (c) 5M-EDFA is pumped in LP02+LP31 mode; (d) 5M-EDFA is pumped in LP02+LP21+LP31 mode

    Fig. 5. Gain and noise figure of each signal mode change with wavelength of signal. (a) 4M-EDFA is pumped in LP01 mode; (b) 4M-EDFA is pumped in LP02+LP21 mode; (c) 5M-EDFA is pumped in LP02+LP31 mode; (d) 5M-EDFA is pumped in LP02+LP21+LP31 mode

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    Wensheng Wang, Tigang Ning, Li Pei, Jingjing Zheng, Jianshuai Wang, Huai Wei. Gain Equalization of Few-Mode Fiber Amplifier Based on Genetic Algorithm[J]. Acta Optica Sinica, 2021, 41(9): 0906001

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Oct. 20, 2020

    Accepted: Dec. 1, 2020

    Published Online: May. 8, 2021

    The Author Email: Pei Li (lipei@bjtu.edu.cn)

    DOI:10.3788/AOS202141.0906001

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology