Erbium-activated silica-titania planar waveguides (Articolo in rivista)

Type
Label
  • Erbium-activated silica-titania planar waveguides (Articolo in rivista) (literal)
Anno
  • 2003-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1023/A:1020734018629 (literal)
Alternative label
  • Zampedri L., Ferrari M., Armellini C., Visintainer F., Tosello C., Ronchin S., Rolli R., Montagna M., Chiasera A., Pelli S., Righini G.C., Monteil A., Duverger C., Goncalves R.R. (2003)
    Erbium-activated silica-titania planar waveguides
    in Journal of sol-gel science and technology
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Zampedri L., Ferrari M., Armellini C., Visintainer F., Tosello C., Ronchin S., Rolli R., Montagna M., Chiasera A., Pelli S., Righini G.C., Monteil A., Duverger C., Goncalves R.R. (literal)
Pagina inizio
  • 1033 (literal)
Pagina fine
  • 1036 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 26 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [ 1 ] CNR, IFN, I-38050 Trent, Italy [ 2 ] Univ Trent, INFM, Dipartimento Fis, I-38050 Trent, Italy [ 3 ] CNR, IROE, Optoelect & Photon Dept, I-50127 Florence, Italy [ 4 ] Univ Angers, CNRS, UMR 6136, Lab POMA, F-49045 Angers, France [ 5 ] Univ Maine, Lab Fluorures, UPRES A 6010, F-72017 Le Mans, France [ 6 ] Univ Trent, Dipartimento Ingn Mat, I-38050 Trent, Italy (literal)
Titolo
  • Erbium-activated silica-titania planar waveguides (literal)
Abstract
  • (100 -x)SiO2-(x)TiO2-ErO3/2 planar waveguides, with 7 =x =20 have been prepared by sol-gel route using the dip-coating technique. The thickness of the films was optimized to support a single propagating mode at 1550 nm, with a confinement coefficient higher than 0.75. The process of densification of the gel and the devitrification with the growth of TiO2 nanocrystals were studied by Raman scattering. Devitrification is important only for x ³15, but it was not possible to obtain full densification of the samples, even at the lowest TiO2 content, without the appearance of nanocrystals. Emission in the C telecom band was observed; the spectral width of the 4I13/2 ® 4I15/2 transition of Er3+slightly increases with the titania content. For x £12 most of Er3+ions (about 65%) decay exponentially with a lifetime of about 8 ms. (literal)
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