Study of intersubband transition in quantum dots and quantum dot infrared photodetectors
X Jiang, SS Li, MZ Tidrow - Physica E: Low-dimensional Systems and …, 1999 - Elsevier
In this paper the intersubband optical transitions in quantum dots are studied. Theoretical
calculations of peak wavelengths and oscillator strengths of the transitions from the bound to
first and second excited states were made for the InxGa1− xAs/GaAs and InAs/AlxGa 1− xAs
systems. The results show that transition from the ground to the first excited state in the
growth-direction polarization has the largest absorption. The results of our calculations were
found to be in good agreement with the observed peak detection wavelengths of the …
calculations of peak wavelengths and oscillator strengths of the transitions from the bound to
first and second excited states were made for the InxGa1− xAs/GaAs and InAs/AlxGa 1− xAs
systems. The results show that transition from the ground to the first excited state in the
growth-direction polarization has the largest absorption. The results of our calculations were
found to be in good agreement with the observed peak detection wavelengths of the …
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