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Chinese Journal of Lasers, Volume. 49, Issue 7, 0716003(2022)

[in Chinese]

Zhimu Gu1, Yingbo Chu1, Xiongwei Hu2, and Jinyan Li1、*
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  • 1[in Chinese]
  • 2[in Chinese]
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    Figures & Tables(4)
    Refractive index profile and cross section of high absorption EDF

    Fig. 1. Refractive index profile and cross section of high absorption EDF

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    Structural diagram of high absorption EDFA

    Fig. 2. Structural diagram of high absorption EDFA

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    Performance test results of high absorption EDF. (a) Absorption coefficient; (b) gain and noise curves；(c) saturation curve

    Fig. 3. Performance test results of high absorption EDF. (a) Absorption coefficient; (b) gain and noise curves；(c) saturation curve

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    • Table 1. Parameters of high absorption EDF

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      Table 1. Parameters of high absorption EDF

      ParameterValue
      Numerical aperture0.27-0.28
      Core radius / μm 3.5
      Cladding diameter / μm 125
      Doping region radius of erbium ion / μm 3.5
      Erbium concentration / m－38.67×1025
      Background loss at 1200 nm /( dB·m －1)0.021
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    Zhimu Gu, Yingbo Chu, Xiongwei Hu, Jinyan Li. [J]. Chinese Journal of Lasers, 2022, 49(7): 0716003

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    Paper Information

    Category: rapid communications

    Received: Nov. 23, 2021

    Accepted: Dec. 31, 2021

    Published Online: Mar. 2, 2022

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

    DOI:

    CSTR:32186.14.

    Topics

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