Numerical investigation of in-band pumped holmium-doped fluoride fiber laser operating at 2.1 µm
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Mustafa A. Khamis
Abstract
In this study, the theoretical model of in-band pumped holmium-doped fluoride fiber laser was numerically investigated. A holmium-doped fluoride fiber is promoted for laser operating at 2.1 µm. The proposed model is based on the fundamental properties of a holmium doped fluoroindate glasses and parameters obtained from the previously published results. The model was simulated via a cladding pumped system at 2.051 µm pumping wavelength. Good validation between the suggested model with the previously published experimental measurements was achieved with considering the main transfer processes such as energy up-conversion transition and cross relaxation process. The numerical analysis indicated that the energy transfer up-conversion has a negative effect on the laser performance while the cross relaxation process causes significant enhancement on the performance of in-band pumped holmium doped fluoride fiber laser.
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Research ethics: Not applicable.
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Informed consent: Not applicable.
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Author contributions: All authors contributed equally.
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Use of Large Language Models, AI and Machine Learning Tools: None declared.
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Conflict of interest: The authors have no competing interests.
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Research funding: None declared.
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Data availability: Not applicable.
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