Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Suzuki Nobuo and Iizuka Norio,Feasibility Study on Ultrafast Nonlinear Optical Properties of 1.55-.MU.m Intersubband Transition in AlGaN/GaN Quantum Wells.,Japanese Journal of Applied Physics,00214922,The Japan Society of Applied Physics,1997,36,8A,L1006-L1008,https://cir.nii.ac.jp/crid/1390282681226617088,https://doi.org/10.1143/jjap.36.l1006