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Proceedings Paper

Dysprosium-doped chalcogenide films prepared by pulsed-laser deposition
Author(s): Virginie Nazabal; Petr Nemec; Jaroslav Jedelský; Claire Duverger; Jenny Le Person; Jean-Luc Adam; Miloslav Frumar
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Paper Abstract

The chalcogenide glasses possess interesting optical properties such as a good transmission in the nIR-mIR wavelength region, high linear and non-linear refractive index and photosensitivity, which allows holographic patterns writing. Moreover, their low-phonon energy makes them good candidates for optical amplification. In order to design an integrated circuit on chalcogenide glasses, the pulsed laser deposition (PLD) technique is a suitable method for deposition of glass with complex composition. Amorphous Ge-Ga-Sb-S films (pure and dysprosium doped) were prepared by PLD using different energy of the laser beam pulses. Compositional, morphological and structural characteristics of the films were studied by MEB-EDS, atomic force, scanning electron microscopy, X-ray diffraction and Raman spectroscopy analyses. The photo-luminescence of Dy doped Ge-Ga-Sb-S films was investigated. The emission band centered at 1340 nm corresponding to 6F11/2, 6H9/2-6H15/2 electron transitions of Dy3+ ions was identified in luminescence spectra of dysprosium doped thin films. A study of the optical properties and the effects of exposure and thermal annealing below the glass transition temperature on the optical parameters of thin films from the Ge-Ga-Sb-S system will be presented.

Paper Details

Date Published: 18 August 2004
PDF: 7 pages
Proc. SPIE 5451, Integrated Optics and Photonic Integrated Circuits, (18 August 2004);
Show Author Affiliations
Virginie Nazabal, Lab. des Verres et Ceramiques/CNRS (France)
Univ. de Rennes 1 (France)
Petr Nemec, Univ. Pardubice (Czech Republic)
Jaroslav Jedelský, Univ. Pardubice (Czech Republic)
Claire Duverger, Lab. des Oxydes et Fluorures/CNRS (France)
Univ. du Maine (France)
Jenny Le Person, Lab. des Verres et Ceramiques/CNRS (France)
Univ. de Rennes 1 (France)
Jean-Luc Adam, Lab. des Verres et Ceramiques/CNRS (France)
Univ. de Rennes 1 (France)
Miloslav Frumar, Univ. Pardubice (Czech Republic)

Published in SPIE Proceedings Vol. 5451:
Integrated Optics and Photonic Integrated Circuits
Giancarlo C. Righini; Seppo Honkanen, Editor(s)

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