Linear and nonlinear optical absorption coefficients in GaAs/Ga1−xAlxAs concentric double quantum rings: Effects of hydrostatic pressure and aluminum concentration

The linear and nonlinear intra-band optical absorption coefficients in GaAs/Ga1−xAlxAs two-dimensional concentric double quantum rings are investigated. Taking into account the combined effects of hydrostatic pressure and aluminum concentration the energies of the ground (n=1,l=0) and the first exci...

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Bibliographic Details
Published in:	Journal of luminescence Vol. 134; pp. 594 - 599
Main Authors:	Baghramyan, H.M., Barseghyan, M.G., Kirakosyan, A.A., Restrepo, R.L., Duque, C.A.
Format:	Journal Article
Language:	English
Published:	Amsterdam Elsevier B.V 01.02.2013 Elsevier
Subjects:	Condensed matter: electronic structure, electrical, magnetic, and optical properties Exact sciences and technology Fundamental areas of phenomenology (including applications) Hydrostatic pressure Nonlinear optical properties Nonlinear optics Optical constants: refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation Optical properties of bulk materials and thin films Optical susceptibility, hyperpolarizability Optics Physics Quantum ring Quantum ring Hydrostatic pressure Nonlinear optical properties Gallium arsenides Inorganic compounds Optical transition Quantum effect Excited states Effective mass model Absorption coefficients Optical properties Transfer matrix method Absorption spectra Nonlinear optics Intraband transitions III-V semiconductors
ISSN:	0022-2313, 1872-7883
Online Access:	Get full text
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