Glass photonic structures fabricated by sol-gel route

R. Tomala; A. Lukowiak; B. Borak; A. Chiappini; W. Blanc; M. Ferrari; A. Bouajaj; D. Ristic; S. Taccheo; W. Strek

doi:10.1117/12.2306449

17 May 2018 Glass photonic structures fabricated by sol-gel route

R. Tomala, A. Lukowiak, B. Borak, A. Chiappini, W. Blanc, M. Ferrari, A. Bouajaj, D. Ristic, S. Taccheo, W. Strek

Proceedings Volume 10683, Fiber Lasers and Glass Photonics: Materials through Applications; 106832P (2018) https://doi.org/10.1117/12.2306449
Event: SPIE Photonics Europe, 2018, Strasbourg, France

Abstract

To emphasize the scientific and technological interest in the silica-based glassy systems and the versatility of the sol-gel route, nano and micrometer scale structures are discussed focusing the attention mainly on the rare-earth-activated materials and their spectroscopic characterization. We have demonstrated that various SiO₂-based binary systems can be successfully employed for the fabrication of amorphous planar waveguides, glass–ceramic waveguides, and tapered rib waveguide laser. Different technological processes allowed to realize Er³⁺ -activated microspheres that can be exploited as microresonator and it has been evidenced that through specific coating it is possible to modify modal free spectral range and/or modal dispersion of the microresonator and achieve laser action. In the case of rare-earth-doped 3-D colloidal crystals in different configurations (direct and inverse one), it has been shown that the relaxation dynamics of the electronic states can be engineered.

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R. Tomala, A. Lukowiak, B. Borak, A. Chiappini, W. Blanc, M. Ferrari, A. Bouajaj, D. Ristic, S. Taccheo, and W. Strek "Glass photonic structures fabricated by sol-gel route", Proc. SPIE 10683, Fiber Lasers and Glass Photonics: Materials through Applications, 106832P (17 May 2018); https://doi.org/10.1117/12.2306449

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