19 November 2003 Enhanced spectroscopic properties at 1.5 μm in Er3+/Yb3+-activated silica-titania planar waveguides fabricated by rf-sputtering
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Proceedings Volume 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life; (2003) https://doi.org/10.1117/12.524933
Event: 19th Congress of the International Commission for Optics: Optics for the Quality of Life, 2002, Florence, Italy
Abstract
Er3+/Yb3+-codoped 94SiO2-6TiO2 planar waveguides, with 1 mol% Er and molar ratio Yb/Er = 2, were fabricated by rf-sputtering technique. All waveguides were single-mode at 1550 nm. An attenuation coefficient of 0.5 dB/cm at 632.8 nm and a lifetime of the 4I13/2 metastabile state of 7.2 ms were measured. Upon cw excitation at 978 nm, an increase of the 1.53 μm luminescence intensity larger than two-fold was detected in the Yb3+/Er3+-codoped waveguide with respect to the waveguide doped only with Er3+.
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Alessandro Chiasera, Alessandro Chiasera, Maurizio Montagna, Maurizio Montagna, Cristiana Tosello, Cristiana Tosello, Stefano Pelli, Stefano Pelli, Giancarlo C. Righini, Giancarlo C. Righini, Maurizio Ferrari, Maurizio Ferrari, Luca Zampedri, Luca Zampedri, Andre Monteil, Andre Monteil, Paolo Lazzeri, Paolo Lazzeri, } "Enhanced spectroscopic properties at 1.5 μm in Er3+/Yb3+-activated silica-titania planar waveguides fabricated by rf-sputtering", Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); doi: 10.1117/12.524933; https://doi.org/10.1117/12.524933
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