Enhanced spectroscopic properties at 1.5 µm in Er3+/Yb3+-activated silica-titania planar waveguides fabricated by rf-sputtering

Alessandro Chiasera; Maurizio Montagna; Cristiana Tosello; Stefano Pelli; Giancarlo C. Righini; Maurizio Ferrari; Luca Zampedri; Andre Monteil; Paolo Lazzeri

doi:10.1117/12.524933

19 November 2003 Enhanced spectroscopic properties at 1.5 μm in Er³⁺/Yb³⁺-activated silica-titania planar waveguides fabricated by rf-sputtering

Alessandro Chiasera, Maurizio Montagna, Cristiana Tosello, Stefano Pelli, Giancarlo C. Righini, Maurizio Ferrari, Luca Zampedri, Andre Monteil, Paolo Lazzeri

Author Affiliations +

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 ⁴I_13/2 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⁺.

Citation Download Citation

Alessandro Chiasera, Maurizio Montagna, Cristiana Tosello, Stefano Pelli, Giancarlo C. Righini, Maurizio Ferrari, Luca Zampedri, Andre Monteil, and 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); https://doi.org/10.1117/12.524933

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