Nonlinear optical absorption in inverse V-shaped quantum wells modulated by high-frequency laser field

. It is suggested that intersubband transition absorption coefficient in polarized inverse V-shaped quantum wells can be modulated through a non-resonant high-frequency laser field. This tuning mechanism is based on the variation of the quasi-bound states and corresponding wave functions of the quan...

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Bibliographic Details
Published in:The European physical journal. B, Condensed matter physics Condensed matter physics, 2010-03, Vol.74 (1), p.117-122
Main Authors: Niculescu, E. C., Burileanu, L. M.
Format: Article
Language:English
Subjects:
Complex Systems
Condensed Matter Physics
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Fluid- and Aerodynamics
Mesoscopic and Nanoscale Systems
Optical properties
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Optical properties of low-dimensional, mesoscopic, and nanoscale materials and structures
Physics
Physics and Astronomy
Quantum wells
Solid State Physics
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Summary:. It is suggested that intersubband transition absorption coefficient in polarized inverse V-shaped quantum wells can be modulated through a non-resonant high-frequency laser field. This tuning mechanism is based on the variation of the quasi-bound states and corresponding wave functions of the quantum well with increasing intensity of the laser field. A transition between the strong absorption and induced laser transparency regimes is observed in one of the studied structures. The dependence of the saturation intensity on the laser parameter and the electric field strength is also investigated.
ISSN:1434-6028
1434-6036
DOI:10.1140/epjb/e2010-00060-3