Chinese Journal of Lasers, Volume. 51, Issue 13, 1306003(2024)
Erbium‑Ytterbium Co‑Doped Fiber and Its Amplification Characteristics in L‑Band
Figures & Tables(7)
Fig. 2. Amplification performances of erbium-ytterbium co-doped fibers under different NYb/NEr. (a) Gain spectrum; (b) noise spectrum
Fig. 3. Gains of erbium-ytterbium co-doped fiber under different pump conditions. (a) Under different pump powers; (b) under different pump wavelength drifts
Fig. 4. Refractive index profile of erbium-ytterbium co-doped fiber preform rod and cross section of fiber
Fig. 5. Test structure for erbium-ytterbium co-doped fiber amplification performance
Fig. 6. Gain and noise spectra under different erbium-ytterbium co-doped fiber lengths
Table 1. Simulation parameters
View tableTable 1. Simulation parameters
Diameter NYb Yb
absorption coefficient
Yb
emission coefficient
Er
absorption coefficient
Er
emission coefficient
6 μm for core，
125 μm for cladding
3.4×1026 m-3 NYbσa，YbΓp NYbσe，YbΓp NEr NEr
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Le He, Xiaoke Yin, Yang Chen, Yingbo Chu, Jinyan Li. Erbium‑Ytterbium Co‑Doped Fiber and Its Amplification Characteristics in L‑Band[J]. Chinese Journal of Lasers, 2024, 51(13): 1306003
Paper Information
Category: Fiber optics and optical communication
Received: Nov. 23, 2023
Accepted: Jan. 3, 2024
Published Online: Jul. 2, 2024
The Author Email: Jinyan Li (ljy@mail.hust.edu.cn)
CSTR:32183.14.CJL231428
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