We report on the coherent optical phonon oscillations and their coupling to carriers in GaAs-AlGaAs multiple quantum wells with varying barrier widths. As has been shown recently, the development of the screened LO phonon mode is a good indication of the growth-direction, and longitudinal plasmon-phonon coupling.
Barrier width dependence of coherent optical phonon oscillations in GaAs/AlGaAs multiple quantum wells
01.01.1999
89736 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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