Abstract
Time-integrated (TI) and time-resolved (TR) degenerate-four-wave-mixing (DFWM) experiments performed on the exciton transition in GaAs quantum wells (QW) have shown strong variations of the signal features with the polarization configuration of the two excitation pulses that cannot be explained in the frame of the model describing the 2-D excitan by two noninteracting twofold-degenerate three-level systems with circular dipole transition rules.1
© 1994 Optical Society of America
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