Ultralow quantum-defect eye-safe Er:Sc2O3 laser

Resonantly pumped Er(3+):Sc(2)O(3) laser operation is achieved with a quantum defect (QD) of 1.5% at liquid nitrogen temperature. The laser, in-line pumped at 1535 nm, operated at 1558 nm with a slope efficiency of over 45%. This is believed to be the lowest QD eye-safe laser ever reported. CW outpu...

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Bibliographic Details
Published inOptics letters Vol. 33; no. 13; p. 1524
Main Authors Ter-Gabrielyan, Nikolay, Merkle, Larry D, Ikesue, Akio, Dubinskii, Mark
Format Journal Article
LanguageEnglish
Published United States 01.07.2008
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Summary:Resonantly pumped Er(3+):Sc(2)O(3) laser operation is achieved with a quantum defect (QD) of 1.5% at liquid nitrogen temperature. The laser, in-line pumped at 1535 nm, operated at 1558 nm with a slope efficiency of over 45%. This is believed to be the lowest QD eye-safe laser ever reported. CW output of over 3.3 W was obtained in this first experiment.
ISSN:0146-9592
DOI:10.1364/OL.33.001524