SiO2-SnO2 glass-ceramic planar waveguides activated by rare earth ions

S. N. B. Bhaktha; C. Armellini; F. Beclin; M. Bouazaoui; B. Capoen; A. Chiappini; A. Chiasera; M. Ferrari; Y. Jestin; C. Kinowski; E. Moser; D. N. Rao; G. C. Righini; S. Turrell

doi:10.1117/12.808277

6 February 2009 SiO₂-SnO₂ glass-ceramic planar waveguides activated by rare earth ions

S. N. B. Bhaktha, C. Armellini, F. Beclin, M. Bouazaoui, B. Capoen, A. Chiappini, A. Chiasera, M. Ferrari, Y. Jestin, C. Kinowski, E. Moser, D. N. Rao, G. C. Righini, S. Turrell

Author Affiliations +

Proceedings Volume 7212, Optical Components and Materials VI; 721207 (2009) https://doi.org/10.1117/12.808277
Event: SPIE OPTO: Integrated Optoelectronic Devices, 2009, San Jose, California, United States

Abstract

Eu³⁺ doped (100-x) SiO₂ - x SnO₂ (x = 8, 16 and 25 mol %) glass-ceramic waveguides were fabricated by sol-gel technique with dip-coating processing at 800 °C. Higher thermal treatments led to the formation and growth of SnO₂ nanocrystals in the matrix, enhancing the ⁵D₀ → ⁷F₂ emission of Eu³⁺. Spectroscopic investigations reveal the evolution of a centro-symmetric local environment around the Eu³⁺ ion. This property of glass-ceramic waveguides can be exploited for obtaining a higher rare-earth concentration in a smaller volume. The glass-ceramic waveguides exhibited low-losses (0.8 ± 0.2 dB/cm at 632.8 nm) and thus are promising for the development of high-gain integrated optical amplifiers.

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S. N. B. Bhaktha, C. Armellini, F. Beclin, M. Bouazaoui, B. Capoen, A. Chiappini, A. Chiasera, M. Ferrari, Y. Jestin, C. Kinowski, E. Moser, D. N. Rao, G. C. Righini, and S. Turrell "SiO₂-SnO₂ glass-ceramic planar waveguides activated by rare earth ions", Proc. SPIE 7212, Optical Components and Materials VI, 721207 (6 February 2009); https://doi.org/10.1117/12.808277

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