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Chinese Journal of Lasers, Volume. 48, Issue 7, 0715001(2021)

Ultra-Broadband, High Gain, and Low Noise Extended L-Band Erbium-Doped Fiber and Its Amplification Performance

Yingbo Chu1, Yang Lou1, Yang Chen1, Zhimu Gu1, Qiang Qiu1, Changbo Liu2, Nengli Dai1, and Jinyan Li1、*
Author Affiliations
  • 1Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, Hubei 430074, China
  • 2Wuhan Changjin Laser Technology Co., Ltd., Wuhan, Hubei 430074, China
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    Energy level diagram of Er3+

    Fig. 1. Energy level diagram of Er3+

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    Absorption and emission cross-sections of erbium-doped fiber

    Fig. 2. Absorption and emission cross-sections of erbium-doped fiber

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    Structural diagrams of EDFA. (a) One-stage amplification system; (b) two-stage amplification system

    Fig. 3. Structural diagrams of EDFA. (a) One-stage amplification system; (b) two-stage amplification system

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    Gain and NF of one-stage EDFA versus wavelength

    Fig. 4. Gain and NF of one-stage EDFA versus wavelength

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    Gain and NF of erbium-doped fiber versus wavelength

    Fig. 5. Gain and NF of erbium-doped fiber versus wavelength

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    Yingbo Chu, Yang Lou, Yang Chen, Zhimu Gu, Qiang Qiu, Changbo Liu, Nengli Dai, Jinyan Li. Ultra-Broadband, High Gain, and Low Noise Extended L-Band Erbium-Doped Fiber and Its Amplification Performance[J]. Chinese Journal of Lasers, 2021, 48(7): 0715001

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    Paper Information

    Category: Letters

    Received: Dec. 8, 2020

    Accepted: Jan. 27, 2021

    Published Online: Mar. 19, 2021

    The Author Email: Li Jinyan (ljy@hust.edu.cn)

    DOI:10.3788/CJL202148.0715001

    Topics

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