2 papers
cond-mat.mtrl-sci2016
Photoluminescence quantum efficiency of Er optical centers in GaN epilayers
V. X. Ho, T. V. Dao, H. X. Jiang +4
We report the quantum efficiency of photoluminescence processes of Er optical centers as well as the thermal quenching mechanism in GaN epilayers prepared by metal-organic chemical…
cond-mat.mtrl-sci2015
Excitation Mechanisms of Er Optical Centers in GaN Epilayers
D. K. George, M. Hawkins, M. McLaren +4
We report direct evidence of two mechanisms responsible for the excitation of optically active Er3+ ions in GaN epilayers grown by metal-organic chemical vapor deposition. These me…