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Fabrication and Optical Characterization of Doped Germanosilicate Fibres

Published online by Cambridge University Press:  15 February 2011

Elizabeth R. Taylor ,
C. C. Ye ,
B. J. Ault  and
D. N. Payne
Elizabeth R. Taylor
Affiliation:
Optoelectronics Research Centre, University of Southampton, Highfield, Southampton S09 5NH, UK
C. C. Ye
Affiliation:
Optoelectronics Research Centre, University of Southampton, Highfield, Southampton S09 5NH, UK
B. J. Ault
Affiliation:
Optoelectronics Research Centre, University of Southampton, Highfield, Southampton S09 5NH, UK
D. N. Payne
Affiliation:
Optoelectronics Research Centre, University of Southampton, Highfield, Southampton S09 5NH, UK
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Abstract

This work assesses the incorporation of dopant ions such as Al3+, Ga3+, Zr4+, Nb5+, Ta5+ and Er3+ into the core of germanosilicate optical fibres via modified-chemical-vapour-deposition plus solution doping fabrication techniques. We find that highly-charged smaller ions, like Al3+ and Ta5+, behave similarly. These ions are more efficiently incorporated, assist in the incorporation of Er3+, and have the same influence on the fluorescence spectra of Er3+. The structural role of these ions appear to be their ability to provide nonbridging oxygens around Er3+. The waveguide and lasing characteristics of Er3+ codoped with Ta5+ are presented.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 329: Symposium R – New Materials for Advanced Solid State Lasers , 1993 , 185
Copyright
Copyright © Materials Research Society 1994

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