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Highly Efficient Double-Clad Yb-free Er-Doped All-Fiber Laser and Amplifier Pumped at 976 nm

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Abstract

Double-clad Yb-free Er-doped all-fiber laser and amplifier schemes based on novel P2O5-Al2O3-SiO2 glass matrix are demonstrated. A record slope efficiency of 40% with respect to the absorbed pump power at 976 nm was obtained.

© 2012 Optical Society of America

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