Shaokun Liu, Xiaoke Yin, Le He, Yingbo Chu, Nengli Dai, Jinyan Li. High‑Germanium Bismuth‑Doped Fibers for U‑Band Efficiency Amplification[J]. Chinese Journal of Lasers, 2024, 51(6): 0606005
- Chinese Journal of Lasers
- Vol. 51, Issue 6, 0606005 (2024)
Fig. 1. Basic parameters of optical fiber. (a) Refractive index difference profile of preform; (b) end face image of fiber; (c) radial distribution of Ge in fiber core area
Fig. 2. Absorption spectrum
Fig. 3. Single-stage amplification structure
Fig. 4. Gain test results. (a) Input signal spectrum and output spectrum; (b) gain and noise spectrum of bismuth-doped fiber
Fig. 5. Input signal spectrum and output spectrum at 1649‒1680 nm
Fig. 6. Gain efficiency. (a) Gain at 1670 nm versus pump power; (b) pump conversion efficiencies under different input signal powers
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20