http://www.cnr.it/ontology/cnr/individuo/prodotto/ID226575
Er3+/Yb3+ co-doped soda-lime silicate glasses: A case study (Contributo in atti di convegno)
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- Er3+/Yb3+ co-doped soda-lime silicate glasses: A case study (Contributo in atti di convegno) (literal)
- Anno
- 2004-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1117/12.530423 (literal)
- Alternative label
S. Berneschi, M. Bettinelli, M. Brenci, R. Calzolai, A. Chiasera, M. Ferrari, G.C. Conti, S. Pelli, S. Sebastiani, A. Speghini, J. Zheng, G.C. Righini (2004)
Er3+/Yb3+ co-doped soda-lime silicate glasses: A case study
in Photonic West 2004, San Jose, California USA, 24-29 January 2004
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- S. Berneschi, M. Bettinelli, M. Brenci, R. Calzolai, A. Chiasera, M. Ferrari, G.C. Conti, S. Pelli, S. Sebastiani, A. Speghini, J. Zheng, G.C. Righini (literal)
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- Optoelectronics Department, Inst. for Appl. Physics N. Carrara, IFAC-CNR, Via Panciatichi 64, 1-50127 Firenze, Italy;
Sci. and Technological Department, Università di Verona, Strada le Grazie 15, 37134 Verona, Italy;
IFN-CNR, CSMFO Group, Via Sommarive 14, 38050 Povo, Trento, Italy;
Changchun Inst. Opt., Fine Mech./P., CIOMP-CAS, Changchun 130022, Jilin, China (literal)
- Titolo
- Er3+/Yb3+ co-doped soda-lime silicate glasses: A case study (literal)
- Abstract
- Silicate glasses are among the best hosts for rare-earth ions, especially for the development of integrated optic amplifiers and lasers, due to their chemical robustness and adaptability to different waveguide fabrication processes. We performed a detailed study of a set of six experimental soda-lime silicate glasses, all having approximately the same base composition but doped with different percentages of Er3+ and Yb3+ ions. Judd-Ofelt analysis was performed on these glasses and the calculated radiative lifetimes were compared with the experimental ones. Planar waveguides were fabricated by using ion-exchange technology, and a new analytical function was used to fit the index profile of the waveguides. Luminescence and Raman spectroscopy was performed on most waveguide samples, and upconversion emission was evaluated. Channel waveguide insertion losses were reduced by using annealing processes, and net gain around 1535 nm was obtained. The gain, so far, is limited, but we are confident to be able to further increase the amplifier performances. Meanwhile, we are also developing a new type of silicate glass doped with alumina in order to increase the gain bandwidth. (literal)
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