Picosecond photoluminescence of resonantly-excited excitons in GaAs quantum wells A. VINATTIERI, J. SHAH, T.C. DAMEN, D.S. KIM, L.N. PFEIFFER and L.J. SHAM Le Journal de Physique IV, 03 C5 (1993) C5-27-C5-30 DOI: 10.1051/jp4:1993505