3 May 2013 The influence of nanostructured optical fiber core matrix on the optical properties of EDFA
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In this contribution we demonstrate the effect of the nanostructured optical fiber core matrix, doped with erbium and Al2O3, on the resulting optical properties. Several optical fibers with nanostructured cores were drawn from preforms prepared by different techniques, i.e., by conventional doping from solution of erbium and aluminium chlorides, by deposition of the dispersed alumina nanoparticles with either Er3+ ions or Er2O3. Reference bulk samples were prepared by the solid-state approach and thermally treated by similar way as optical fibers. Prepared optical fibers and bulk samples were investigated by the absorption spectroscopy. Reference samples were analyzed by the X-ray diffraction for the determination of the crystalline properties of formed nanostructures. It was found that nanocrystals inside the optical fiber core matrix improves the homogeneity and decreases the basic optical attenuation. Nanostructured alumina inside the fiber core matrix enhances the absorption properties of Er3+ ions.
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J. Cajzl, J. Cajzl, O. Podrazký, O. Podrazký, J. Mrázek, J. Mrázek, J. Aubrecht, J. Aubrecht, V. Matějec, V. Matějec, P. Peterka, P. Peterka, P. Nekvindová, P. Nekvindová, Ivan Kašík, Ivan Kašík, "The influence of nanostructured optical fiber core matrix on the optical properties of EDFA", Proc. SPIE 8775, Micro-structured and Specialty Optical Fibres II, 877509 (3 May 2013); doi: 10.1117/12.2016922; https://doi.org/10.1117/12.2016922

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