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dc.contributor.authorGoncalves, R. R.-
dc.contributor.authorCarturan, G.-
dc.contributor.authorZampedri, L.-
dc.contributor.authorFerrari, M.-
dc.contributor.authorMontagna, M.-
dc.contributor.authorChiasera, A.-
dc.contributor.authorRighini, G. C.-
dc.contributor.authorPelli, S.-
dc.contributor.authorRibeiro, SJL-
dc.contributor.authorMessaddeq, Younes-
dc.identifier.citationApplied Physics Letters. Melville: Amer Inst Physics, v. 81, n. 1, p. 28-30, 2002.-
dc.description.abstract70SiO(2)-30HfO(2) planar waveguides, doped with Er(3+) concentrations ranging from 0.3 to 1 mol %, were prepared by sol-gel route, using dip-coating deposition on silica glass substrates. The waveguides show high densification degree, effective intermingling of the two components of the film, and uniform surface morphology. Propagation losses of about 1 dB/cm were measured at 632.8 nm. When pumped with 987 or 514.5 nm continuous-wave laser light, the waveguides show the (4)I(13/2)-->(4)I(15/2) emission band with a bandwidth of 48 nm. The spectral features are found independent both on erbium content and excitation wavelength. The (4)I(13/2) level decay curves presented a single-exponential profile, with a lifetime between 2.9 and 5.0 ms, depending on the erbium concentration. (C) 2002 American Institute of Physics.en
dc.publisherAmerican Institute of Physics (AIP)-
dc.sourceWeb of Science-
dc.titleSol-gel Er-doped SiO(2)-HfO(2) planar waveguides: A viable system for 1.5 mu m applicationen
dc.contributor.institutionUniv Trent-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationUniv Trent, Dipartimento Ingn Mat, I-38050 Trento, Italy-
dc.description.affiliationCNR, IFN, I-38050 Trento, Italy-
dc.description.affiliationUniv Trent, Dipartimento Fis, I-38050 Trento, Italy-
dc.description.affiliationUniv Trent, INFM, I-38050 Trento, Italy-
dc.description.affiliationCNR, IFAC, Inst Fis Applicata Nello Carrara, I-50127 Florence, Italy-
dc.description.affiliationInst Chem, UNESP, Araraquara, Brazil-
dc.description.affiliationUnespInst Chem, UNESP, Araraquara, Brazil-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofApplied Physics Letters-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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