@article{al-ajmi_kolbas_roberts_rajagopal_cook_piner_linthicum_2008, title={Stimulated emission and lasing from an Al0.13Ga0.87N/GaN double heterostructure grown on a silicon substrate}, volume={92}, number={2}, journal={Applied Physics Letters}, author={Al-Ajmi, F. S. and Kolbas, R. M. and Roberts, J. C. and Rajagopal, P. and Cook, J. W. and Piner, E. L. and Linthicum, K. J.}, year={2008} }
 @article{al-ajmi_kolbas_roberts_rajagopal_cook_piner_linthicum_2007, title={Room temperature laser action from multiple bands in photoexcited GaN grown on a silicon substrate}, volume={90}, number={15}, journal={Applied Physics Letters}, author={Al-Ajmi, F. S. and Kolbas, R. M. and Roberts, J. C. and Rajagopal, P. and Cook, J. W. and Piner, E. L. and Linthicum, K. J.}, year={2007} }