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Optical Engineering

High-power Q-switched erbium fiber laser using an all-fiber intensity modulator
Author(s): Alain Chandonnet; Gilles Larose
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Paper Abstract

We report on the demonstration of a Q-switched erbium-doped fiber laser using a novel all-fiber intensity modulator acting as an efficient intracavity switching element. Switching speed and holdoff losses are compatible with the Q-switching dynamics of rare-earth-doped fiber lasers. The modulator is completely integrated in a spliceless erbium- doped fiber cavity. Pulses of less than 15 ns full width at half maximum (FWHM) and peak power close to 400 W were obtained for a launched pumping power of 100 mW at 980 nm. This compact source could find many uses in applications such as nonlinear optics, laser ranging and remote sensing, eyesafe free-space communication, time-gated fiber sensor systems, and long-distance optical time-domain reflectometry.

Paper Details

Date Published: 1 September 1993
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Opt. Eng. 32(9) doi: 10.1117/12.143949
Published in: Optical Engineering Volume 32, Issue 9
Show Author Affiliations
Alain Chandonnet, National Optics Institute (Canada)
Gilles Larose, ITF Technologies Inc. (Canada)


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