Intersubband transitions in InGaNAs/GaAs quantum wells
- 26 August 2002
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 81 (10) , 1836-1838
- https://doi.org/10.1063/1.1500434
Abstract
Intersubband transitions are observed in InGaNAs/GaAs quantum wells at wavelengths around 10 μm. The transition energies are correlated with interband transition energies measured in the near infrared. Clear selection rules are observed: the transition is TM polarized. The amplitude of the absorption is consistent with an increase of the electron effective mass as the N content increases.Keywords
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