Sarkar, D.; Van Der Meulen, H.P.; Calleja, J.M.; Becker, J.M.; Haug, Rolf J.; Pierz, Klaus
(College Park, MD : American Institute of Physics, 2005)
Optical transitions in self-assembled InAs/AlAs quantum dots were investigated by photoluminescence and photoluminescence excitation spectroscopy. In photoluminescence we found below about 1.8 eV emission from quantum dots ...