Effect of thermal diffusion on the excitonic reflectivity spectra of InGaAs/GaAs quantum wells W.P. GILLIN, H. PEYRE, J. CAMASSEL, K.P. HOMEWOOD, I.V. BRADLEY et R. GREY Le Journal de Physique IV, 03 C5 (1993) C5-291-C5-294 DOI: 10.1051/jp4:1993558