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Subpicosecond spectroscopy of excitons in GaAs/AlGaAs heterostructures

Institute of Physics Conference Series (1991) 126 411-414
ISSN: 09513248
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Abstract

We 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.

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Leo, K., Shah, J., Schmitt-Rink, S., & Koehler, K. (1991). Subpicosecond spectroscopy of excitons in GaAs/AlGaAs heterostructures. In Institute of Physics Conference Series (Vol. 126, pp. 411–414). Publ by IOP Publishing Ltd.

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