Inter and intra band impurity-related absorption in (In,Ga)N/GaN QW under composition, size and impurity effectsRedouane En-nadir, Haddou El Ghazi, Anouar Jorio and Izeddine ZorkaniMATEC Web Conf., 330 (2020) 01017DOI: https://doi.org/10.1051/matecconf/202033001017