@inproceedings{inproceedings61ff73ab, title = {Optical properties of cubic GaN and InGaN of different doping levels}, author = {Fernandez, J R L and Cerdeira, F and Meneses, E A and Soares, J A N T and Santos, A M and Noriega, Odille Cue and Leite, J. R.}, year = {2003}, publisher = {APHYS}, booktitle = {International Meeting on Applied Physics} }