Abstract
A comprehensive numerical model of a thulium-doped silica-based fibre amplifiers is presented. The model is spectrally and spatially resolved and is general in terms of pumping scheme used. The application of the model for predicting the S-band amplifier performance and for optimization of amplifier parameters is shown. For optimized Tm-doped fibre with 3H4 level lifetime of 45 μs, which is the maximum value in the Tm-doped silica fibres prepared by the authors, above 20 dB of gain with 2000 mW pump power at the 1050 nm pump band can be expected according to the simulations.
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Peterka, P., Faure, B., Blanc, W. et al. Theoretical modelling of S-band thulium-doped silica fibre amplifiers. Optical and Quantum Electronics 36, 201–212 (2004). https://doi.org/10.1023/B:OQEL.0000015640.82309.7d
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DOI: https://doi.org/10.1023/B:OQEL.0000015640.82309.7d