Influence of phosphorous precursors on spectroscopic properties of Er3+-activated SiO2-HfO2-P2O5 planar waveguides

I. Vasilchenko, A. Carpentiero, A. Chiappini, A. Chiasera, A. Vaccari, A. Lukowiak, G. C. Righini, Vladimir Ivanovich Vereshchagin, M. Ferrari

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Abstract

(70-x)SiO2-30HfO2 -xP2O5 (x= 5, 10 mol %) glass planar waveguides activated by 0.5 mol% Er3+ ions were prepared by sol-gel route. Several phosphorous precursors have been investigated for the synthesis of a dielectric stable sol useful for the realization of planar waveguides. The waveguides were investigated by different diagnostic techniques. The optical properties such as refractive index, thickness, number of propagating modes and attenuation coefficient were measured at 632.8 and 543.5 nm by prism coupling technique. Transmission measurements were carried out in order to assess the transparency of the deposited films. Photoluminescence measurements and lifetime decay curves of the Er3+ transition 4I13/21 → 4I15/21) were performed in order to investigate the role of P2O5.

Original languageEnglish
Article number012018
JournalJournal of Physics: Conference Series
Volume566
Issue number1
DOIs
Publication statusPublished - 2014

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Vasilchenko, I., Carpentiero, A., Chiappini, A., Chiasera, A., Vaccari, A., Lukowiak, A., Righini, G. C., Vereshchagin, V. I., & Ferrari, M. (2014). Influence of phosphorous precursors on spectroscopic properties of Er3+-activated SiO2-HfO2-P2O5 planar waveguides. Journal of Physics: Conference Series, 566(1), [012018]. https://doi.org/10.1088/1742-6596/566/1/012018