Planar native-oxide-based AlGaAs-GaAs-InGaAs quantum well microdisk lasers - Ries, M. J.; Chen, E. I.; Holonyak, N.; Iovino, G. M.; Minervini, A. D. (American Institute of Physics (AIP), 1996)
http://dx.doi.org/10.1063/1.115692
Keywords: U