TITLE

Excitation and decay mechanisms of the intra-4f luminescence of Yb3+ in epitaxial InP:Yb layers

AUTHOR(S)
Körber, W.; Hangleiter, A.
PUB. DATE
January 1988
SOURCE
Applied Physics Letters;1/11/1988, Vol. 52 Issue 2, p114
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The decay and excitation processes of internal transitions of Yb3+(4f13) incorporated in InP were investigated by means of time-resolved photoluminescence and photoluminescence excitation spectroscopy. From the temperature dependence of the excited state lifetime we find several decay mechanisms, including a bound-exciton-like Auger process, energy transfer, and thermal depopulation. Excitation spectroscopy reveals that free carriers are needed during the excitation process of Yb centers.
ACCESSION #
9825621

 

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