Light-emitting properties of sol-gel-derived Er3+-doped Yb3+-codoped SiO2-TiO2-Al2O3 planar waveguide

Qing Xiang; Yan Zhou; Yee Loy Lam; Yuen Chuen Chan; Chan Hin Kam

doi:10.1117/12.370347

12 November 1999 Light-emitting properties of sol-gel-derived Er³⁺-doped Yb³⁺-codoped SiO₂-TiO₂-Al₂O₃ planar waveguide

Qing Xiang, Yan Zhou, Yee Loy Lam, Yuen Chuen Chan, Chan Hin Kam

Proceedings Volume 3896, Design, Fabrication, and Characterization of Photonic Devices; (1999) https://doi.org/10.1117/12.370347
Event: International Symposium on Photonics and Applications, 1999, Singapore, Singapore

Abstract

In this research, silica based planar waveguide and powdered glasses doped with Er₂O₃, Yb₂O₃, TiO₂ and Al₂O₃ have been fabricated by sol-gel process. The photoluminescence enhancement has been demonstrated to be seven and four times that without Yb co-doping when pumped by a 980 nm laser diode and a 488 nm Ar⁺ laser respectively. The strongest fluorescence is observed form the 93 SiO₂: 7 TiO₂: 10 AlO_1.5: 1 YbO_1.5 glass. Dependence of the photoluminescence intensity and lifetime on Er³⁺ as well as Yb³⁺ concentration has been experimentally studied.

Citation Download Citation

Qing Xiang, Yan Zhou, Yee Loy Lam, Yuen Chuen Chan, and Chan Hin Kam "Light-emitting properties of sol-gel-derived Er³⁺-doped Yb³⁺-codoped SiO₂-TiO₂-Al₂O₃ planar waveguide", Proc. SPIE 3896, Design, Fabrication, and Characterization of Photonic Devices, (12 November 1999); https://doi.org/10.1117/12.370347

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