Excitons in (Al,Ga)N quantum dots and quantum wells grown on (0001)-oriented AlN templates: Emission diagrams and valence band mixings

A. Ibanez, N. Nikitskiy, A. Zaiter, P. Valvin, W. Desrat, T. Cohen, M. Ajmal Khan, G. Cassabois, H. Hirayama, P. Genevet, J Brault and B. Gil