Impurity-related nonlinear optical properties in delta-doped quantum rings: Electric field effects

Using a variational procedure within the effective mass approximation, we have calculated the donor impurity binding energy for the ground (1s-like) and the excited (2pz-like) states as well as the impurity-related nonlinear optical absorption and relative changes in the refraction index in a GaAs s...

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Veröffentlicht in:	Physica. B, Condensed matter Jg. 453; S. 140 - 145
Hauptverfasser:	Restrepo, R.L., Morales, A.L., Martínez-Orozco, J.C., Baghramyan, H.M., Barseghyan, M.G., Mora-Ramos, M.E., Duque, C.A.
Format:	Journal Article Tagungsbericht
Sprache:	Englisch
Veröffentlicht:	Kidlington Elsevier B.V 15.11.2014 Elsevier
Schlagworte:	Approximation Condensed matter Condensed matter: electronic structure, electrical, magnetic, and optical properties Delta-like confinement potential Density Electric field Electric fields Exact sciences and technology GaAs quantum rings Impurities Impurity related nonlinear optical properties Mathematical analysis Mathematical models Nonlinearity 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 Quantum wells GaAs quantum rings Electric field Impurity related nonlinear optical properties Delta-like confinement potential Gallium arsenides Impurity density Variational methods Quantum ring Refractive index Planar doping Two dimensional model Excited states Effective mass model Electric field effects Binding energy Donor center Absorption spectra Nonlinear optics
ISSN:	0921-4526, 1873-2135
Online-Zugang:	Volltext
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