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Proceedings Paper

Pulsed single-mode Yb-doped fibre amplifier around 976 nm: numerical modelling and experimental study
Author(s): Aude Bouchier; Mikhaël Myara; Gaëlle Lucas-Leclin; Patrick Georges
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Paper Abstract

Diffraction-limited sources around 976 nm are attractive to build sources around 488 nm, or to pump rare-earth-doped materials. Continuous wave efficient lasers have been obtained with single-mode fibres, in which we demonstrate pulsed laser diode amplification with gains higher than 30 dB. Theoretical studies can predict the amplifier performances versus the input signal characteristics and show the pulse width influence on excited state population. We used a classical timespace two-level model that we solved thanks to a Finite-Difference Time-Domain method. These simulations taking into account both time and space evolutions and a parasitic laser effect describe correctly the experimental results.

Paper Details

Date Published: 17 February 2010
PDF: 8 pages
Proc. SPIE 7580, Fiber Lasers VII: Technology, Systems, and Applications, 75802W (17 February 2010); doi: 10.1117/12.845487
Show Author Affiliations
Aude Bouchier, Lab. d'Analyse et d'Architecture des Systèmes, CNRS (France)
Univ. de Toulouse (France)
Mikhaël Myara, Institut d'Electronique du Sud, Univ. Montpellier 2 (France)
Gaëlle Lucas-Leclin, Lab. Charles Fabry de l'Institut d'Optique, CNRS, Univ. Paris-Sud (France)
Patrick Georges, Lab. Charles Fabry de l'Institut d'Optique, CNRS, Univ. Paris-Sud (France)

Published in SPIE Proceedings Vol. 7580:
Fiber Lasers VII: Technology, Systems, and Applications
Kanishka Tankala, Editor(s)

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