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Concentration and Hydroxyl Impurity Quenching of the 4I13/2–4I15/2 Luminescence in Er3+ Doped Sodium Silicate Glasses

Published online by Cambridge University Press:  15 February 2011

Allan J. Bruce ,
W. A. Reed ,
A. E. Neeves ,
L. R. Copeland ,
W. H. Grodkiewicz  and
A. Lidgard
Allan J. Bruce
Affiliation:
AT&T Bell Laboratories, Murray Hill, NJ 07974-0636, USA.
W. A. Reed
Affiliation:
AT&T Bell Laboratories, Murray Hill, NJ 07974-0636, USA.
A. E. Neeves
Affiliation:
AT&T Bell Laboratories, Murray Hill, NJ 07974-0636, USA.
L. R. Copeland
Affiliation:
AT&T Bell Laboratories, Murray Hill, NJ 07974-0636, USA.
W. H. Grodkiewicz
Affiliation:
AT&T Bell Laboratories, Murray Hill, NJ 07974-0636, USA.
A. Lidgard
Affiliation:
Royal Institute of Technology, Stockholm Sweden.
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Abstract

Lifetimes for the 4I13/2–4I15/2 transition of excited Er3+ ions in sodium di-silicate glasses have been measured as a function of Er3+ concentration and glass melting conditions. Lifetimes in excess of 20 ms have been measured for Er3+ levels up to 1021 ions/cm3. For Er3+ levels above 5 × 1020 ions/cm3 high lifetimes are only observed in glasses with low −OH impurity levels. The results are consistent with a quenching mechanism incorporating energy transfer between Er3+ ions followed by non-radiative decay via Er3+ ions coupled to the −OH impurity phonons.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 244: Symposium J – Optical Waveguide Materials , 1991 , 157
Copyright
Copyright © Materials Research Society 1992

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References

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