Temperature and excitation dependence of stimulated emission and spontaneous emission in InGaN epilayer
An Xuee1, Shang Zhengjun1, Ma Chuanhe1, Zheng Xinhe2, Zhang Cuiling3, Sun Lin1, Yue Fangyu1, Li Bo1, †, Chen Ye1,
       

Temperature-dependent PL spectra under the excitation density of 5.6 μ J / cm 2 . The inset shows the typical PL spectra at 40 K and 150 K.