Journal
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS
Volume 251, Issue 2, Pages 415-422Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/pssb.201350050
Keywords
delta doping; electric fields; nonlinear optical properties; quantum wells; Schottky barriers
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Funding
- Mexican CONACYT [180636, CB-2008-101777]
- COZCyT (Mexico)
- Colombian Agency: CODI-Universidad de Antioquia (Estrategia de Sostenibilidad de la Universidad de Antioquia)
- Colombian Agency: Facultad de Ciencias Exactas y Naturales-Universidad de Antioquia (CAD-exclusive dedication project)
- EL PATRIMONIO AUTNOMO FONDO NACIONAL DE FINANCIAMIENTO PARA LA CIENCIA, LA TECNOLOGIA Y LA INNOVACION, FRANCISCO JOSE DE CALDAS
- CONACYT (Mexico) [B330.500]
- COLCIENCIAS (Colombia) [B330.500]
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The effect of an externally applied static electric field on the nonlinear optical response in a GaAs asymmetric double -doped quantum well is studied. The proposed structure bears a configuration including a Schottky barrier that can be tuned via a contact voltage. Using the effective mass approximation and a many-body Hartree-type Thomas-Fermi approximation for the confining conduction band profile, it can be shown that such a system could be of interest for a practical realization of a nonlinear optical responder. It is found that the influence of the static electric field can be used to suitably tuning the occurrence and position of the resonant optical signals in the far-infrared regime. (C) 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
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