20 April 2006 Er3+ activated silica-hafnia glass-ceramics planar waveguides
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Abstract
Silica-hafnia glass-ceramics waveguides activated by Er3+ ions were fabricated by sol-gel route. X ray diffraction and optical spectroscopy showed that after an adapted heat treatment, the resulting materials showed a crystalline environment. Analysis of the luminescence properties has demonstrated that erbium ions are, at least partially, trapped in a crystalline phase. Losses measurements at different wavelength highlight a very low attenuation coefficient indicating that this nanostructured material is suitable for a single band waveguide amplifier in the C band of telecommunication.
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Y. Jestin, N. Afify, C. Armellini, S. Berneschi, S. N. B. Bhaktha, B. Boulard, A. Chiappini, A. Chiasera, G. Dalba, C. Duverger, M. Ferrari, C. E. Goyes Lopez, M. Mattarelli, M. Montagna, E. Moser, G. Nunzi Conti, S. Pelli, G. C. Righini, F. Rocca, "Er3+ activated silica-hafnia glass-ceramics planar waveguides", Proc. SPIE 6183, Integrated Optics, Silicon Photonics, and Photonic Integrated Circuits, 61831W (20 April 2006); doi: 10.1117/12.664610; https://doi.org/10.1117/12.664610
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