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|Type:||Artigo de periódico|
|Title:||Ion-exchanged Er3+/Yb3+ co-doped waveguide amplifiers longitudinally pumped by broad area lasers|
Di Pasquale, F
|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|
|Editor:||Optical Soc Amer|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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