Optical spectroscopy of Er3+ and Ce3+-codoped TeO2-WO3-Na2O glasses

Maurizio Mattarelli; Mohamed Bouazaoui; Bruno Capoen; Sylvia Turrell; Alessandro Chiasera; Maurizio Ferrari; Luca Zampedri; Maurizio Montagna; Hervé Portales; Gualtiero Nunzi-Conti; Giancarlo C. Righini

doi:10.1117/12.549921

18 August 2004 Optical spectroscopy of Er³+ and Ce³+-codoped TeO₂-WO₃-Na₂O glasses

Maurizio Mattarelli, Mohamed Bouazaoui, Bruno Capoen, Sylvia Turrell, Alessandro Chiasera, Maurizio Ferrari, Luca Zampedri, Maurizio Montagna, Hervé Portales, Gualtiero Nunzi-Conti, Giancarlo C. Righini

Author Affiliations +

Proceedings Volume 5451, Integrated Optics and Photonic Integrated Circuits; (2004) https://doi.org/10.1117/12.549921
Event: Photonics Europe, 2004, Strasbourg, France

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 ⁴I_11/2 and ⁴I_13/2 Er³⁺ states upon pulsed excitation at 532 nm shows that Ce³⁺ codoping is highly effective in favoring the population feeding of the ⁴I_13/2 Er³⁺ level.

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Maurizio Mattarelli, Mohamed Bouazaoui, Bruno Capoen, Sylvia Turrell, Alessandro Chiasera, Maurizio Ferrari, Luca Zampedri, Maurizio Montagna, Hervé Portales, Gualtiero Nunzi-Conti, and Giancarlo C. Righini "Optical spectroscopy of Er³+ and Ce³+-codoped TeO₂-WO₃-Na₂O glasses", Proc. SPIE 5451, Integrated Optics and Photonic Integrated Circuits, (18 August 2004); https://doi.org/10.1117/12.549921

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