Photonic properties of erbium activated coated microspheres

Y. Jestin; C. Armellini; A. Chiappini; A. Chiasera; Y. Dumeige; M. Ferrari; P. Féron; L. Ghisa; G. Nunzi Conti; S. Trebaol; G. C. Righini

doi:10.1117/12.762916

13 February 2008 Photonic properties of erbium activated coated microspheres

Y. Jestin, C. Armellini, A. Chiappini, A. Chiasera, Y. Dumeige, M. Ferrari, P. Féron, L. Ghisa, G. Nunzi Conti, S. Trebaol, G. C. Righini

Author Affiliations +

Proceedings Volume 6890, Optical Components and Materials V; 689008 (2008) https://doi.org/10.1117/12.762916
Event: Integrated Optoelectronic Devices 2008, 2008, San Jose, California, United States

Abstract

μA simple method based on the sol-gel technology has been developed to coat passive microspheres with an active coating. The microspheres were prepared by fusion of a standard telecom fiber with a dimension of about 200 μm and 400 μm and have been respectively dipped in a 70SiO₂-30HfO₂ sol activated by 1 mol% and 0.1 mol% of erbium ions. Here we first report about the luminescence properties of a silica-hafnia coating doped with erbium ions and then whispering gallery mode spectra were analysed for different sphere diameters, thickness of coating and erbium concentration. The thickness of the coating has been chosen in order to support at least one whispering gallery mode at 1.5 μm.

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Y. Jestin, C. Armellini, A. Chiappini, A. Chiasera, Y. Dumeige, M. Ferrari, P. Féron, L. Ghisa, G. Nunzi Conti, S. Trebaol, and G. C. Righini "Photonic properties of erbium activated coated microspheres", Proc. SPIE 6890, Optical Components and Materials V, 689008 (13 February 2008); https://doi.org/10.1117/12.762916

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