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Proceedings Paper

Glass photonic structures fabricated by sol-gel route
Author(s): R. Tomala; A. Lukowiak; B. Borak; A. Chiappini; W. Blanc; M. Ferrari; A. Bouajaj; D. Ristic; S. Taccheo; W. Strek
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Paper 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.

Paper Details

Date Published: 17 May 2018
PDF: 11 pages
Proc. SPIE 10683, Fiber Lasers and Glass Photonics: Materials through Applications, 106832P (17 May 2018); doi: 10.1117/12.2306449
Show Author Affiliations
R. Tomala, Institute of Low Temperature and Structure Research (Poland)
A. Lukowiak, Institute of Low Temperature and Structure Research (Poland)
B. Borak, Wroclaw Univ. of Science and Technology (Poland)
A. Chiappini, CNR-Istituto di Fotonica e Nanotecnologie (Italy)
W. Blanc, Univ. Côte d'Azur (France)
M. Ferrari, CNR-Istituto di Fotonica e Nanotecnologie (Italy)
Museo Storico della Fisica e Ctr. Studi e Ricerche "Enrico Fermi" (Italy)
A. Bouajaj, Univ. Abdelmalek Essaadi (Morocco)
D. Ristic, Institut Ruder Boškovic (Croatia)
S. Taccheo, Swansea Univ. (United Kingdom)
W. Strek, Polish Academy of Sciences (Poland)

Published in SPIE Proceedings Vol. 10683:
Fiber Lasers and Glass Photonics: Materials through Applications
Stefano Taccheo; Jacob I. Mackenzie; Maurizio Ferrari, Editor(s)

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