Intersubband optical absorption in InSb stepped quantum wells. Effect of spin sublevels crossing
A. Hernandez-Cabrera,
P. Aceituno
Abstract:We study linear and non-linear coefficients of the intersubband absorption in InSb-based stepped quantum wells subjected to an in-plane magnetic field. We consider also a transverse electric field to achieve near resonance conditions. Taking into account the two deepest conduction levels and their corresponding Zeeman spin splitting sublevels, we calculate dispersion relations by means of an improved version of Kane model. Besides the known anti-crossing between down and up spin split sublevels, we obtain an e… Show more
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