We extend the use of Raman spectroscopy to investigate the modes of Er-implanted and Er+O co-implanted GaN,and discuss the influence of O ions on Er 3+-related infrared photoluminescence(PL).

• 利用Raman散射谱研究了GaN注Er以及Er+O共注样品的振动模；并讨论了共注入O对Er离子发光的影响.