[HTML][HTML] Substantial enhancement of red emission intensity by embedding Eu-doped GaN into a microcavity
T Inaba, D Lee, R Wakamatsu, T Kojima, B Mitchell… - AIP advances, 2016 - pubs.aip.org
We investigate resonantly excited photoluminescence from a Eu, O-codoped GaN layer
embedded into a microcavity, consisting of an AlGaN/GaN distributed Bragg reflector and a
Ag reflecting mirror. The microcavity is responsible for a 18.6-fold increase of the Eu
emission intensity at∼ 10K, and a 21-fold increase at room temperature. We systematically
investigate the origin of this enhancement, and we conclude that it is due to the combination
of several effects including, the lifetime shortening of the Eu emission, the strain-induced …
embedded into a microcavity, consisting of an AlGaN/GaN distributed Bragg reflector and a
Ag reflecting mirror. The microcavity is responsible for a 18.6-fold increase of the Eu
emission intensity at∼ 10K, and a 21-fold increase at room temperature. We systematically
investigate the origin of this enhancement, and we conclude that it is due to the combination
of several effects including, the lifetime shortening of the Eu emission, the strain-induced …
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