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Type: Artigo de periódico
Title: Ion-exchanged Er3+/Yb3+ co-doped waveguide amplifiers longitudinally pumped by broad area lasers
Author: Donzella, V
Toccafondo, V
Faralli, S
Di Pasquale, F
Cassagnettes, C
Barbier, D
Figueroa, HH
Abstract: A multimode pumping scheme for Er3+/Yb3+ co-doped waveguide amplifiers based on broad area lasers at around 980 nm is presented. The proposed amplifier is fabricated by ion-exchange (IE) technique on silicate and phosphate glasses. The highly efficient energy transfer from Yb3+ to Er3+ ions, combined with the use of low cost and high power broad area laser, allows the realization of high performance and cost-effective integrated amplifiers. The structure has been designed and numerically studied using a 3D finite element modelling tool, and over 3 dB/cm small signal gain has been predicted for an optimized amplifier. Preliminary characterization of an amplifier structure provides a first experimental evidence of the novel multimode longitudinal pumping. (C) 2010 Optical Society of America
Country: EUA
Editor: Optical Soc Amer
Rights: aberto
Date Issue: 2010
Appears in Collections:Unicamp - Artigos e Outros Documentos

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