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Active Er3+ doped lead-niobium-germanate planar waveguides produced by pulsed laser deposition

AuthorsBalda, Rolindes ; Sanz, O.; Gonzalo, J. ; Jiménez de Castro, Miguel ; Perea, Ángel ; Fernández Navarro, José María ; Afonso, Carmen N. ; Fernández, Joaquín
KeywordsHeavy metal oxide glasses
Thin films
Pulsed laser deposition
Issue Date2003
PublisherSociety of Photo-Optical Instrumentation Engineers
CitationProceedings of SPIE - International Society for Optical Engineering 4990: 30-37 (2003)
AbstractIn this work, pulsed laser deposition has been used to produce Er3+ doped lead-niobium-germanate thin films from Er3+ doped 50Geo2-25PbO-25Nb2O5 transparent glasses with an Er2O3 content in the 0.5-3 weight % range. In all cases, by pumping the 4I11/2 level of Er3+, the as deposited films are optically active showing at room temperature the 4I13/2 →4I15/2 emission centered around 1530 nm. The luminescence intensity increases as the Er3+ content in the targets increases, whereas the opposite behavior is observed for the luminescence lifetime. The emission intensity and lifetimes of the 1.5 μm emission increase upon annealing.
Publisher version (URL)https://doi.org/10.1117/12.473585
Identifiersdoi: 10.1117/12.473585
issn: 0277-786X
e-issn: 1996-756X
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(CFM) Artículos
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