Abstract
The authors report on experimental results of intersubband absorption in a set of Ga0.77In0.23N0.01As0.99∕GaAs quantum well structures with different well widths from 2.6to4.4nm. Due to the peculiar conduction band dispersion, the observed intersubband transition energy is quite insensitive to the well width for these narrow wells. The observed intersubband resonance positions are in good agreement with a model calculation.
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