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The aim of this lecture is to highlight some advances in erbium-activated silica-based photonic systems, where suitable geometries and appropriate fabrication protocols allow tailoring and enhancement of optical and spectroscopic properties. In particular, the following topics are presented: (i) rare earth-activated glass ceramics planar waveguides; (ii) Er3+-activated Ag exchanged silicate glass;...
Spectroscopic properties of Ag/Er co-doped thin plates of silicate glass were investigated with the aim of assessing the effective role of silver as a sensitizer for erbium. Additive heat treatments in air at different temperatures were performed on both a silver-exchanged and a silver-free plate in order to promote the formation of silver nanoparticles in the former and to refer to the later in the...
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