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Proceedings Paper

SiO2-SnO2 glass-ceramic planar waveguides activated by rare earth ions
Author(s): 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
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Paper 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 5D07F2 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.

Paper Details

Date Published: 7 February 2009
PDF: 8 pages
Proc. SPIE 7212, Optical Components and Materials VI, 721207 (7 February 2009); doi: 10.1117/12.808277
Show Author Affiliations
S. N. B. Bhaktha, CNR-IFN (Italy)
Univ. degli Studi di Trento (Italy)
LASIR, CNRS, Univ. des Sciences et Technologies de Lille (France)
C. Armellini, CNR-IFN (Italy)
F. Beclin, LSPES, CNRS, Univ. des Sciences et Technologies de Lille (France)
M. Bouazaoui, CERLA, Lab. PhLAM, CNRS, Univ. des Sciences et Technologies de Lille (France)
B. Capoen, CERLA, Lab. PhLAM, CNRS, Univ. des Sciences et Technologies de Lille (France)
A. Chiappini, CNR-IFN (Italy)
A. Chiasera, CNR-IFN (Italy)
M. Ferrari, CNR-IFN (Italy)
Y. Jestin, CNR-IFN (Italy)
C. Kinowski, LASIR, CNRS, Univ. des Sciences et Technologies de Lille (France)
E. Moser, Univ. degli Studi di Trento (Italy)
D. N. Rao, Univ. of Hyderabad (India)
G. C. Righini, Istituto di Fisica Applicata Nello Carrara, CNR (Italy)
S. Turrell, LASIR, CNRS, Univ. des Sciences et Technologies de Lille (France)


Published in SPIE Proceedings Vol. 7212:
Optical Components and Materials VI
Shibin Jiang; Michel J. F. Digonnet; John W. Glesener; J. Christopher Dries, Editor(s)

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