Evidence of two erbium sites in standard aluminosilicate glass for EDFA

Site distributions of Er(3+)-doped aluminosilicate preforms of standard EDFA were studied by the low temperature Resonant Fluorescence Line Narrowing (RFLN) spectroscopy. Two erbium concentration samples with the same glass base were investigated. At very low erbium concentration, two classes of sit...

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Published inOptics express Vol. 18; no. 20; pp. 20661 - 20666
Main Authors Peretti, R, Jurdyc, A M, Jacquier, B, Burov, E, Pastouret, A
Format Journal Article
LanguageEnglish
Published United States 27.09.2010
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Summary:Site distributions of Er(3+)-doped aluminosilicate preforms of standard EDFA were studied by the low temperature Resonant Fluorescence Line Narrowing (RFLN) spectroscopy. Two erbium concentration samples with the same glass base were investigated. At very low erbium concentration, two classes of sites were identified, related to the number of AlO(6) octahedral linked by two oxygen edge-sharing to Er(3+) in the coordination sphere. As erbium concentration is increased, the high AlO(6) coordinated class of sites is smeared out by the optical response of the one AlO(6) coordinated class of sites.
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ISSN:1094-4087
1094-4087
DOI:10.1364/OE.18.020661