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Proceedings Paper

Broadband wavelength tuning of hybrid femtosecond Er/Tm fiber laser system in microstructured suspended-core tellurite fiber
Author(s): Maksim Yu. Koptev; Elena A. Anashkina; Alexey V. Andrianov; Vitaly V. Dorofeev; Alexey F. Kosolapov; Sergey V. Muravyev; Arkady V. Kim
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Paper Abstract

In this study, we propose a widely tunable in the 1.6-2.65 μm range femtosecond fiber laser source, generating high-quality sech-shaped pulses with the duration of order 100 fs. Experimental setup contains hybrid all-fiber Er/Tm pump laser generating 150 fs pulses of 2 nJ in Erbium (1.56 μm) channel and 125 fs pulses of 4 nJ in Thulium (2 μm) channel respectively. This laser source was coupled to a 50 cm piece of suspended-core microstructured TeO2-WO3- La2O3 glass fiber with launching efficiency of about 10%. We have observed Raman self-frequency shifting solitons in this fiber with maximum red shift of 2.25 μm for Erbium channel and 2.65 μm for Thulium channel. By varying energy of pump pulses, solitons can be tuned in broadband spectral region. We have made theoretical studies of nonlinear pulse dynamics in the tellurite fiber with carefully measured and calculated parameters. Numerical simulation is in a very good agreement with the experiment

Paper Details

Date Published: 11 March 2016
PDF: 8 pages
Proc. SPIE 9728, Fiber Lasers XIII: Technology, Systems, and Applications, 97281N (11 March 2016); doi: 10.1117/12.2211630
Show Author Affiliations
Maksim Yu. Koptev, Institute of Applied Physics of the Russian Academy of Science (Russian Federation)
Elena A. Anashkina, Institute of Applied Physics of the Russian Academy of Science (Russian Federation)
Alexey V. Andrianov, Institute of Applied Physics of the Russian Academy of Science (Russian Federation)
Vitaly V. Dorofeev, Institute of Chemistry of High Purity Substances of the Russian Academy of Science (Russian Federation)
Alexey F. Kosolapov, Fiber Optics Research Ctr. of the Russian Academy of Science (Russian Federation)
Sergey V. Muravyev, Fiber Optics Research Ctr. of the Russian Academy of Science (Russian Federation)
Arkady V. Kim, Fiber Optics Research Ctr. of the Russian Academy of Science (Russian Federation)


Published in SPIE Proceedings Vol. 9728:
Fiber Lasers XIII: Technology, Systems, and Applications
John Ballato, Editor(s)

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