Photoluminescence and photoluminescence excitation spectroscopy of GaAs/Al0.3Ga0.7As multiple quantum wells at low temperature using a lamp with monochromator - Dawisan, Mark Kevin R.; Vasquez, John Daniel E.; Romero, Vril Jappuch P.; Salvador, Arnel A. (Proceedings of the 43rd Samahang Pisika ng Pilipinas Physics Conference, 2025)