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Proceedings Paper

Ytterbium-doped fibre lasers with tailored all-solid microstructured cladding
Author(s): S. Février; L. Lavoute; D. Gaponov; M. Devautour; Ph. Roy; R. Jamier; K. Schüster; J. Kobelke; S. Grimm; S. L. Semjonov; M. E. Likhachev; M. M. Bubnov; E. M. Dianov; Mikhail Yu. Yashkov; V. F. Khopin; M. Y. Salganskii; A. N. Guryanov
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Paper Abstract

Although singlemode fiber lasers become a mature technology, enhancements, in terms of output power, spatial beam quality, bend insensitivity are still required. A major trend is to increase the active core area to increase the thresholds of nonlinear effects while ensuring a transverse singlemode behavior. Actually, increasing the active ions' concentration is also demanded since it allows a drastic reduction of the fiber length, everything being equal. Two non-exclusive strategies are laid out to overcome fiber laser limitations. On the one hand, it is demonstrated that surrounding a highly multimode active core by a properly designed microstructured cladding, exhibiting specific resonant features, allows the fiber laser to be operated in the singlemode regime. On the other hand, a large mode area photonic bandgap fibre is shown to lead to a transverse singlemode fiber laser with very good lasing efficiency.

Paper Details

Date Published: 9 May 2008
PDF: 9 pages
Proc. SPIE 6990, Photonic Crystal Fibers II, 69900M (9 May 2008); doi: 10.1117/12.781313
Show Author Affiliations
S. Février, Xlim, CNRS (France)
L. Lavoute, Xlim, CNRS (France)
D. Gaponov, Xlim, CNRS (France)
Fiber Optics Research Ctr. (Russia)
M. Devautour, Xlim, CNRS (France)
Ph. Roy, Xlim, CNRS (France)
R. Jamier, Xlim, CNRS (France)
K. Schüster, Institute of Photonic Technology (Germany)
J. Kobelke, Institute of Photonic Technology (Germany)
S. Grimm, Institute of Photonic Technology (Germany)
S. L. Semjonov, Fiber Optics Research Ctr. (Russia)
M. E. Likhachev, Fiber Optics Research Ctr. (Russia)
M. M. Bubnov, Fiber Optics Research Ctr. (Russia)
E. M. Dianov, Fiber Optics Research Ctr. (Russia)
Mikhail Yu. Yashkov, Institute of Chemistry of High Purity Substances (Russia)
V. F. Khopin, Institute of Chemistry of High Purity Substances (Russia)
M. Y. Salganskii, Institute of Chemistry of High Purity Substances (Russia)
A. N. Guryanov, Institute of Chemistry of High Purity Substances (Russia)

Published in SPIE Proceedings Vol. 6990:
Photonic Crystal Fibers II
Kyriacos Kalli; Waclaw Urbanczyk, Editor(s)

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