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Photonics 2018, 5(4), 48; https://doi.org/10.3390/photonics5040048

Comparative Modeling of Infrared Fiber Lasers

1
Telecommunications and Teleinformatics Department, Wroclaw University of Science and Technology, Wyb. Wyspianskiego 27, 50-370 Wroclaw, Poland
2
Mid-Infrared Photonics Group, George Green Institute for Electromagnetics Research, Faculty of Engineering, The University of Nottingham, University Park, Nottingham NG7 2RD, UK
3
Politecnico di Bari, Bari, Via Edoardo Orabona, 4, 70125 Bari, Italy
4
National Institute of Telecommunication, Szachowa 1, 04-894 Warsaw, Poland
5
Fiber Optics Communication Laboratory, National Polytechnic University of Armenia, Teryan Str. 105, Yerevan 0009, Armenia
6
Institute of Photonics and Electronics, Czech Academy of Sciences, Chaberska 57, 18251 Prague, Czech Republic
7
Laser Group, College of Engineering, Bay Campus, Swansea SA1 8EN, UK
*
Author to whom correspondence should be addressed.
Received: 23 October 2018 / Revised: 6 November 2018 / Accepted: 7 November 2018 / Published: 12 November 2018
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Abstract

The modeling and design of fiber lasers facilitate the process of their practical realization. Of particular interest during the last few years is the development of lanthanide ion-doped fiber lasers that operate at wavelengths exceeding 2000 nm. There are two main host glass materials considered for this purpose, namely fluoride and chalcogenide glasses. Therefore, this study concerned comparative modeling of fiber lasers operating within the infrared wavelength region beyond 2000 nm. In particular, the convergence properties of selected algorithms, implemented within various software environments, were studied with a specific focus on the central processing unit (CPU) time and calculation residual. Two representative fiber laser cavities were considered: One was based on a chalcogenide–selenide glass step-index fiber doped with trivalent dysprosium ions, whereas the other was a fluoride step-index fiber doped with trivalent erbium ions. The practical calculation accuracy was also assessed by comparing directly the results obtained from the different models. View Full-Text
Keywords: mid-infrared light sources; near-infrared light sources; rare earth-doped fibers mid-infrared light sources; near-infrared light sources; rare earth-doped fibers
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Sujecki, S.; Sojka, L.; Seddon, A.B.; Benson, T.M.; Barney, E.; Falconi, M.C.; Prudenzano, F.; Marciniak, M.; Baghdasaryan, H.; Peterka, P.; Taccheo, S. Comparative Modeling of Infrared Fiber Lasers. Photonics 2018, 5, 48.

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