- Conference date: 26-30 July 2004
- Location: Flagstaff, Arizona (USA)
By means of spectrally resolved degenerate four‐wave mixing spectroscopy, we have investigated a modulation doped AlGaAs/GaAs single quantum well. We obtain dephasing times of neutral and charged excitons, indicating that the charged excitons (trions) are not localized. A quantum beating between trion and exciton line shows that there is no spatial separation between the two.
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