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Proceedings Paper

Optical spectroscopy of Er3+ and Ce3+-codoped TeO2-WO3-Na2O glasses
Author(s): Maurizio Mattarelli; Mohamed Bouazaoui; Bruno Capoen; Sylvia Turrell; Alessandro Chiasera; Maurizio Ferrari; Luca Zampedri; Maurizio Montagna; Hervé Portales; Gualtiero Nunzi-Conti; Giancarlo C. Righini
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Paper Abstract

In this work we report on spectroscopic properties of Er3+-doped and Er3+/Ce3+-codoped tungsten-tellurite glasses of molar composition 45 TeO2: 39 WO3: 15 Na2O: 1 Er2O3 and 43 TeO2: 39 WO3: 15 Na2O: 1 Er2O3: 2 CeO2, respectively. Vibrational properties were investigated by Raman spectroscopy. The measured absorption spectra were analyzed by McCumber theory, in order to obtain radiative transition rates and stimulated emission cross sections. The study of de-excitation dynamics of the 4I11/2 and 4I13/2 Er3+ states upon pulsed excitation at 532 nm shows that Ce3+ codoping is highly effective in favoring the population feeding of the 4I13/2 Er3+ level.

Paper Details

Date Published: 18 August 2004
PDF: 10 pages
Proc. SPIE 5451, Integrated Optics and Photonic Integrated Circuits, (18 August 2004); doi: 10.1117/12.549921
Show Author Affiliations
Maurizio Mattarelli, INFM (Italy)
Univ. degli Studi di Trento (Italy)
Mohamed Bouazaoui, Lab. de Physique des Lasers, Atomes et Molécules/Univ. des Sciences et Technologies de Lille (France)
Bruno Capoen, Lab. de Physique des Lasers, Atomes et Molécules/Univ. des Sciences et Technologies de Lille (France)
Sylvia Turrell, Lab. de Spectrochimie Infrarouge et Raman/Univ. des Sciences et Technologies de Lille (France)
Alessandro Chiasera, Istituto di Fotonica e Nanotecnologie/CNR (Italy)
Maurizio Ferrari, Istituto di Fotonica e Nanotecnologie/CNR (Italy)
Luca Zampedri, Istituto di Fotonica e Nanotecnologie/CNR (Italy)
Maurizio Montagna, INFM (Italy)
Univ. degli Studi di Trento (Italy)
Hervé Portales, INFM (Italy)
Univ. degli Studi di Trento (Italy)
Gualtiero Nunzi-Conti, Istituto di Fisica Applicata Nello Carrara/CNR (Italy)
Giancarlo C. Righini, Istituto di Fisica Applicata Nello Carrara/CNR (Italy)


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

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