Abstract
In this report, a theoretical model of in-band pumped holmium-doped silica fiber amplifiers (HDFAs) is presented. This model is developed to consider the influence of energy transfer up-conversion (ETU) on the HDFAs performance. The advantage of this model is to investigate the properties of HDFAs as a function of holmium-doped fiber length and doping concentration. A good agreement is observed between the simulation results and the previous experimental findings. Our simulation results show the negative impact of ETU process to deteriorate the HDFAs performance and this process may have bigger effect at high holmium doped concentration. This is the first time to our knowledge that the influence of upconversion process is theoretically investigated on the performance of in-band pumped HDFAs.
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This manuscript has associated data in a data repository. [Authors’ comment: All data included in this manuscript are available upon request by contacting with the corresponding author.]
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Khamis, M.A., Alabbasi, Z. Influence of upconversion transition process on the performance of inband pumped holmium-doped silica fiber amplifiers. Eur. Phys. J. D 75, 12 (2021). https://doi.org/10.1140/epjd/s10053-020-00016-0
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DOI: https://doi.org/10.1140/epjd/s10053-020-00016-0