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Proceedings Paper

Erbium-activate HfO2-based waveguides for photonics
Author(s): Rogeria Rocha Goncalves; Giovanni Carturan; Luca Zampedri; Maurizio Ferrari; Maurizio Montagna; Giancarlo C. Righini; Stefano Pelli; Sidney J. L. Ribeiro; Younes Messaddeq
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Paper Abstract

70SiO2 - 30 HfO2 planar waveguides, activated by Er3+ concentration ranging from 0.3 to 1 mol%, were prepared by sol-gel route, using dip-coating deposition on silica glass substrates. The waveguides showed 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 nm or 514.5 nm continuous-wave laser light, the waveguides showed the 4I13/24I15/2 emission band with a bandwidth of 48 nm. The spectral features were found independent both on erbium content and excitation wavelength. The 4I13/2 level decay curves presented a single exponential profile, with a lifetime between 2.9 - 5.0 ms, depending on the erbium concentration.

Paper Details

Date Published: 19 November 2003
PDF: 2 pages
Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); doi: 10.1117/12.524944
Show Author Affiliations
Rogeria Rocha Goncalves, Univ. degli Studi di Trento (Italy)
Giovanni Carturan, Univ. degli Studi di Trento (Italy)
Luca Zampedri, Univ. degli Studi di Trento (Italy)
Maurizio Ferrari, Univ. degli Studi di Trento (Italy)
Maurizio Montagna, Univ. degli Studi di Trento (Italy)
Giancarlo C. Righini, Istituto di Fisica Applicata Nello Carrara (Italy)
Stefano Pelli, Istituto di Fisica Applicata Nello Carrara (Italy)
Sidney J. L. Ribeiro, Univ. Estadual Paulista (Brazil)
Younes Messaddeq, Univ. Estadual Paulista (Brazil)


Published in SPIE Proceedings Vol. 4829:
19th Congress of the International Commission for Optics: Optics for the Quality of Life
Giancarlo C. Righini; Anna Consortini, Editor(s)

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