Leo, K.K.LeoShah, J.J.ShahSchmitt-Rink, S.S.Schmitt-RinkKöhler, KlausKlausKöhler2022-03-082022-03-081992https://publica.fraunhofer.de/handle/publica/320262We study the dynamics of excitons in GaAs/AlGaAs quantum wells using time-resolved self-diffracted four-wave-mixing. We discuss two topics: First, we show that the decay of the diffracted signal is different for parallel and perpendicular polarization of the incident laser pulses, and second, we study the dephasing dynamics of a wavepacket in a coupled quantum well structure.en621667conference paper