Abstract
We perform photoluminescence (PL) measurements of undoped-like GaAs/AlGaAs quantum well channels as a function of electric field parallel to their interfaces. The obtained spectra for high fields include subsidiary peaks due to the Γ-L intervalley scattering. We also extract the energy distribution of carriers and discuss its non-Maxwellian features and the dominant energy-loss mechanism of electrons. Furthermore, the energy distributions calculated by the Monte Carlo method are found to reveal the measured features.
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