Energy transfer mechanisms in Er-Yb-Y disilicate thin films (Articolo in rivista)

Type
Label
  • Energy transfer mechanisms in Er-Yb-Y disilicate thin films (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.4730434 (literal)
Alternative label
  • Cardile P, Miritello M, Priolo F (2012)
    Energy transfer mechanisms in Er-Yb-Y disilicate thin films
    in Applied physics letters
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Cardile P, Miritello M, Priolo F (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 100 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 25 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [ 1 ] CNR IMM MATIS, I-95123 Catania, Italy [ 2 ] Univ Catania, Dipartimento Fis & Astron, I-95123 Catania, Italy (literal)
Titolo
  • Energy transfer mechanisms in Er-Yb-Y disilicate thin films (literal)
Abstract
  • We investigate the optical properties of Er-Yb-Y disilicate thin films in which Er and Yb contents are varied independently. From time-resolved measurements of Yb decay in absence and in presence of Er, we analyzed and modeled the energy transfer mechanism identifying all the de-excitation channels and measuring a coupling constant CYb-Er = 3.0 x 10(-39) cm(6)/s. Finally, we calculated the efficiency of Yb-Er energy transfer process and we correlated it with Er photoluminescence, demonstrating that it is controlled by the energy transfer mechanism. The maximum efficiency is found for 1.5 x 10(21) Er/cm(3) and 1.5 x 10(22) Yb/cm(3), by making this material very promising for optical amplifiers. (literal)
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