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Gain-switched holmium-doped fibre laser
Ka S Wu1, David Ottaway, Jesper Munch
1Institute for Photonics and Advanced Sensing, School of Chemistry & Physics, The University of Adelaide, Adelaide, SA 5000, Australia. ka.wu@alumni.adelaide.edu.au
Optics Express
|December 10, 2009
Abstract:
We demonstrate the first gain-switched, singly doped, single-mode holmium-doped silicate glass fibre laser that operates at 2.106 microm. Using a gain-switched 1.909-microm thulium-doped fibre laser as the pump source, output pulses of energy 3.2 microJ and pulse duration of 150 ns were generated at 80 kHz and slope efficiency of 44%. Pulse stacking within the holmium-doped fibre laser resulted in significantly shorter 70 ns pulses.
