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Proceedings Paper

Rare-earth-doped HfO2 nanoparticles embedded in SiO2-HfO2 planar waveguides: preparation and optical, structural, and spectroscopic characterization
Author(s): Sidney J. L. Ribeiro; Rogeria Rocha Goncalves; Younes Messaddeq; Michel Andre Aegerter; Maurizio Montagna; Claire Duverger; Maurizio Ferrari
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Paper Abstract

In this work we present result on the preparation of planar waveguides based on HfO2 and HfO2-SiO$2). Stable sols containing europium and erbium doped HfO2 nanoparticles have been prepared and characterized. The nanosized sol was either deposited on quartz substrates or embedded in (3-glycidoxipropil)trimethoxisilane used as a hybrid host for posterior deposition. The refractive index dispersion and luminescence characteristics were determined for the resulting HfO2 films. The optical parameters of the waveguides such as refractive index, thickness and propagation losses were measured for the hybrid composite. The planar waveguides present thickness of a few micra and support well confined propagating modes.

Paper Details

Date Published: 2 May 2000
PDF: 9 pages
Proc. SPIE 3943, Sol-Gel Optics V, (2 May 2000); doi: 10.1117/12.384353
Show Author Affiliations
Sidney J. L. Ribeiro, Univ. Estadual Paulista (Brazil)
Rogeria Rocha Goncalves, Univ. Estadual Paulista and Institut fuer Neue Materialien GmbH (Italy)
Younes Messaddeq, Univ. Estadual Paulista (Brazil)
Michel Andre Aegerter, Institut fuer Neue Materialien GmbH (Germany)
Maurizio Montagna, INFM and Univ. degli Studi di Trento (Italy)
Claire Duverger, INFM and Univ. degli Studi di Trento (France)
Maurizio Ferrari, CNR (Italy)

Published in SPIE Proceedings Vol. 3943:
Sol-Gel Optics V
Bruce S. Dunn; Edward J. A. Pope; Helmut K. Schmidt; Masayuki Yamane, Editor(s)

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