Effects of an intense, high-frequency laser field on the intersubband transitions and impurity binding energy in semiconductor quantum wells
Abstract
Within the framework of effective-mass approximation, using a variational method, the effect of high-frequency laser field on intersubband transitions and the binding energy of shallow-donor impurities in a semiconductor quantum well are investigated. We have found that the increase of the laser-dressing parameter leads to important effects on the electronic and optical properties of a quantum well. This gives a new degree of freedom in various device applications based on the intersubband transition of electrons. (C) 2010 Elsevier B.V. All rights reserved.
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