Abstract
The electronic subband structure of a relatively thick cylindrical quantum well wire irradiated by a non-resonant laser field is calculated within the one-band effective-mass approximation by using a finite element method. For the first time, the problem is solved for a large number of transverse electron modes in the wire. Exact laser-dressing effects on the lateral confinement potential are considered by using an analytical function. Important changes of the electron localization probability under intense laser field are described. The study reveals a competition between the quantum confinement and the laser field which breaks down the cylindrical symmetry of the wire and splits the degenerate electronic levels. A proper analysis of these results is accomplished by calculating the density of states function. Our central prediction is the non-uniform blueshift of the conduction subband structure which may be valuable for an active control of the optoelectronic properties related to intersubband and interband transitions in semiconductor quantum wires.
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