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  Numerical simulation of multi-color laser generation in TM-doped tellurite microsphere at 1.9, 1.5 and 2.3 microns

Anashkina, E. A., Leuchs, G., & Andrianov, A. V. (2019). Numerical simulation of multi-color laser generation in TM-doped tellurite microsphere at 1.9, 1.5 and 2.3 microns. RESULTS IN PHYSICS, 16: 102811. doi:10.1016/j.rinp.2019.102811.

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 Creators:
Anashkina, E. A.1, Author
Leuchs, Gerd2, Author           
Andrianov, A. V.1, Author
Affiliations:
1external, ou_persistent22              
2Leuchs Emeritus Group, Emeritus Groups, Max Planck Institute for the Science of Light, Max Planck Society, ou_3164407              

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Free keywords: MU-M; GLASS-FIBERSMaterials Science; Physics; Microlaser; Tellurite microsphere; Microresonator; Multi-color generation; Tm-doped tellurite glass;
 Abstract: We present the first detailed theoretical analysis of multi-color continuous wave lasing in Tm-doped tellurite spherical microresonators with whispering gallery modes pumped at a wavelength of 792 nm. The numerical model is based on solving a system of equations for intracavity field amplitudes and rate equations using the parameters of Tm-doped tellurite glass measured in the previous experiments. All fundamental whispering gallery modes in the gain bands are taken into account. We demonstrate diagrams of generation regimes depending on Q-factors and pump power, which show a possibility of single-color lasing at a wavelength of similar to 1.9 mu m, two-color lasing at wavelengths of similar to 1.9&1.5 mu m and at similar to 1.9&2.3 mu m, and three-color lasing at wavelengths of similar to 1.9&1.5&2.3 mu m. Such microlasers can play a significant role in sensing applications.

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Language(s): eng - English
 Dates: 2019-11-17
 Publication Status: Issued
 Pages: 8
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1016/j.rinp.2019.102811
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Title: RESULTS IN PHYSICS
Source Genre: Journal
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Publ. Info: RADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS : ELSEVIER
Pages: - Volume / Issue: 16 Sequence Number: 102811 Start / End Page: - Identifier: ISSN: 2211-3797