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Proceedings Paper

Optical and spectroscopic properties of erbium-activated modified silica glass with 1.54 µm high quantum efficiency
Author(s): Vincent Benoit; Shivakiran Narasimha Bantwal Bhaktha; Brigitte Boulard; Stephane Chaussedent; Andrea Chiappini; Alessandro Chiasera; Eugene Duval; Serge Etienne; Maurizio Ferrari; Bruno Gaillard-Allemand; Yoann Jestin; Maurizio Mattarelli; Maurizio Montagna; Andre Monteil; Enrico Moser; Gualtiero Nunzi Conti; Stefano Pelli; Herve Portales; Desai Narayana Rao; Giancarlo C. Righini; Krishna Chaitanya Vishunubhatla
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Paper Abstract

Several modified silicate glass samples activated with erbium ions at two different doping rates, namely 0.2 and 0.5 mol%, exhibit at room temperature a fine-structured emission band around 1.5 mm. The decay of luminescence from the Er3+ 4I13/2 metastable level is found to evolve according to a single-exponential law and a lifetime as long as 14.2 ms is measured from the glass with the lower erbium concentration. An estimation of the corresponding radiative lifetime, τrad, is achieved on the basis of various theoretical models. Internal gain curves resulting from absorption and stimulated emission cross sections are also shown. A 75% quantum efficiency is deduced for the less Er3+ concentrated glass, which is nearly the highest one obtained from silica based doped-glasses.

Paper Details

Date Published: 4 April 2005
PDF: 10 pages
Proc. SPIE 5723, Optical Components and Materials II, (4 April 2005); doi: 10.1117/12.590252
Show Author Affiliations
Vincent Benoit, Cristallerie de Baccarat (France)
Shivakiran Narasimha Bantwal Bhaktha, Univ. di Trento (Italy)
Univ. of Hyderabad (India)
Brigitte Boulard, IRIM2F, Lab. des Oxydes et Fluores, CNRS and Univ. du Maine (France)
Stephane Chaussedent, Lab. POMA, CNRS and Univ. d'Angers (France)
Andrea Chiappini, Univ. di Trento (Italy)
Alessandro Chiasera, IFN, CNR (Italy)
Eugene Duval, LPCML, CNRS and Univ. Lyon I (France)
Serge Etienne, Lab. de Physique des Materiaux, CNRS (France)
Maurizio Ferrari, IFN, CNR (Italy)
Bruno Gaillard-Allemand, Cristallerie de Baccarat (France)
Yoann Jestin, IFN, CNR (Italy)
Maurizio Mattarelli, Univ. di Trento (Italy)
Maurizio Montagna, Univ. di Trento (Italy)
Andre Monteil, Lab. POMA, CNRS and Univ. d'Angers (France)
Enrico Moser, Univ. di Trento (Italy)
Gualtiero Nunzi Conti, IFAC, CNR (Italy)
Stefano Pelli, IFAC, CNR (Italy)
Herve Portales, Univ. di Trento (Italy)
Desai Narayana Rao, Univ. of Hyderabad (India)
Giancarlo C. Righini, IFAC, CNR (Italy)
Krishna Chaitanya Vishunubhatla, Univ. di Trento (Italy)
Univ. of Hyderabad (India)

Published in SPIE Proceedings Vol. 5723:
Optical Components and Materials II
Shibin Jiang; Michel J.F. Digonnet, Editor(s)

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