Kurumun Atıf Alan Makalesi
Atıf Alan Yayın
Linear and nonlinear optical absorption coefficients and binding energy of a spherical quantum dot
Scopus
Toplam 195 atıf DOI
The binding energy and wavefunctions of the 1s, 1p, 1d and 1f energy states of a spherical quantum dot (QD) with parabolic potential were calculated by using a method which is a combination of the quantum genetic algorithm (QGA) and the Hartree-Fock-Roothaan (HFR) approach. In addition, the linear and the third-order nonlinear optical absorption coefficients based on optical transitions in QDs with and without impurity were calculated. The results show that the parabolic potential has a great effect not only on the binding energies and but also on the optical absorption coefficients. Moreover, the calculated results also reveal that the linear and nonlinear optical absorption coefficients are strongly affected by the existence of impurity and the incident optical intensity. © 2009 Elsevier Ltd. All rights reserved.
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Atıf Yapan Yayın
A detailed investigation of electronic and intersubband optical properties of AlxGa1-xAs/Al0.3Ga0.7As/Al yGa1-yAs/Al0.3Ga0.7As multi-shell quantum dots
Scopus
Havuzumuzda 29 atıf almış
In this study, we have investigated the electronic and intersubband optical properties of AlxGa1-xAs/Al0.3Ga0.7As/AlyGa1-yAs/Al0.3Ga0.7As multi-shell quantum dot heterostructures as a function of the Al doping concentrations in both the core (x) and the well (y) regions for cases with and without a hydrogenic donor impurity. Our results reveal how resonant absorption wavelengths and absorption coefficient strengths are changed by variation of the Al content in the core (x) and well (y) regions. Besides this, how the electronic and intersubband optical properties of this structure are affected by the existence of the impurity has also been shown. The physical reasons for this relationship between the electronic and optical properties of this structure and the Al content in the core and well regions have been discussed in detail. © 2014 IOP Publishing Ltd.
Atıf Yapan Makale Bilgileri
Kurumlar (2)
Abdullah Gül Üniversitesi
Kayseri, Turkey
Selçuk Üniversitesi
Selçuklu, Turkey