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Numerical study of a bi-directionally in-band pumped dysprosium-doped fluoride fiber laser at 3.2 μm
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Lingjing LI, Chunyang MA, Nian ZHAO, Jie PENG, Bin LIU, Haining JI, Yuchen WANG, Pinghua TANG. Numerical study of a bi-directionally in-band pumped dysprosium-doped fluoride fiber laser at 3.2 μm[J]. Frontiers of Information Technology & Electronic Engineering, 1998, -1(-1): .
@article{title="Numerical study of a bi-directionally in-band pumped dysprosium-doped fluoride fiber laser at 3.2 μm",
author="Lingjing LI, Chunyang MA, Nian ZHAO, Jie PENG, Bin LIU, Haining JI, Yuchen WANG, Pinghua TANG",
journal="Frontiers of Information Technology & Electronic Engineering",
volume="-1",
number="-1",
pages="",
year="1998",
publisher="Zhejiang University Press & Springer",
doi="10.1631/FITEE.2300701"
}
%0 Journal Article
%T Numerical study of a bi-directionally in-band pumped dysprosium-doped fluoride fiber laser at 3.2 μm
%A Lingjing LI
%A Chunyang MA
%A Nian ZHAO
%A Jie PENG
%A Bin LIU
%A Haining JI
%A Yuchen WANG
%A Pinghua TANG
%J Journal of Zhejiang University SCIENCE C
%V -1
%N -1
%P
%@ 2095-9184
%D 1998
%I Zhejiang University Press & Springer
%DOI 10.1631/FITEE.2300701
TY - JOUR
T1 - Numerical study of a bi-directionally in-band pumped dysprosium-doped fluoride fiber laser at 3.2 μm
A1 - Lingjing LI
A1 - Chunyang MA
A1 - Nian ZHAO
A1 - Jie PENG
A1 - Bin LIU
A1 - Haining JI
A1 - Yuchen WANG
A1 - Pinghua TANG
J0 - Journal of Zhejiang University Science C
VL - -1
IS - -1
SP -
EP -
%@ 2095-9184
Y1 - 1998
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/FITEE.2300701
Abstract: Dy3+-doped fluoride fiber lasers have important applications such as in environmental monitoring, real-time sensing, and polymer processing. At present, achieving a high-efficiency and high-power Dy3+-doped fluoride fiber laser in the mid-infrared (mid-IR) region over 3 μm is a scientific and technological frontier. Typically, Dy3+-doped fluoride fiber lasers utilize a unidirectional pumping method, which suffers from the drawback of high thermal loading density on the fiber tips, thus limiting power scalability. In this study, a bi-directional in-band pumping scheme, intended to address the limitations of output power scaling and to enhance the efficiency of the Dy3+-doped fluoride fiber laser at 3.2 μm, was investigated numerically based on rate equations and propagation equations. The detailed simulation results reveal that the optical-optical efficiency of the bi-directionally in-band pumped Dy3+-doped fluoride fiber laser can reach 75.1%, approaching the Stokes limit. The potential for further improvement of the efficiency of the Dy3+-doped fluoride fiber laser was also discussed. The bi-directional pumping scheme offers the intrinsic advantage of mitigating the thermal load on the fiber tips, unlike unidirectional pumping, in addition to its high efficiency. As a result, it is expected to significantly scale the power output of Dy3+-doped fluoride fiber lasers in the mid-IR regime.
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