Study on Few-Mode Erbium-Doped Fiber with High Gain, Low DMG and its Amplification Performance

Xinyue Zhao; Qiang Qiu; Yang Lou; Yingbo Chu; Jinyan Li

doi:10.3788/LOP221336

Laser & Optoelectronics Progress, Volume. 60, Issue 9, 0906006(2023)

Study on Few-Mode Erbium-Doped Fiber with High Gain, Low DMG and its Amplification Performance

Xinyue Zhao, Qiang Qiu, Yang Lou, Yingbo Chu, and Jinyan Li^*

Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China

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Figures & Tables(4)

$Few-mode erbium-doped fiber. (a) Refractive index of fiber preform; (b) absorption coefficient$

Fig. 1. Few-mode erbium-doped fiber. (a) Refractive index of fiber preform; (b) absorption coefficient

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Fig. 2. Schematic diagram of the two-mode EDFA

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Fig. 3. Variation of total gain of different signal modes and differential modal gain between modes with wavelength

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Fig. 4. Modal patterns. (a) LP₀₁ mode; (b) LP_11a mode

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Xinyue Zhao, Qiang Qiu, Yang Lou, Yingbo Chu, Jinyan Li. Study on Few-Mode Erbium-Doped Fiber with High Gain, Low DMG and its Amplification Performance[J]. Laser & Optoelectronics Progress, 2023, 60(9): 0906006

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Paper Information

Category: Fiber Optics and Optical Communications

Received: Apr. 18, 2022

Accepted: May. 16, 2022

Published Online: May. 9, 2023

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

DOI:10.3788/LOP221336

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology