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Now showing items 31-40 of 84
Effect of size modulation and donor position on intersubbands refractive index changes of a donor within a spherical core/shell/shell semiconductor quantum dot
(2021/9/24)
In the current study, linear, nonlinear and total relative refractive index changes of a single shallow hydrogenic donor atom confined in semiconductor core/shell/shell quantum dot heterostructure are investigated in detail ...
Theoretical Study of the Exciton Binding Energy and Exciton Absorption in Different Hyperbolic-Type QuantumWells under Applied Electric, Magnetic, and Intense Laser Fields
(2022)
In this study, we investigated the exciton binding energy and interband transition between
the electron and heavy-hole for the single and double quantum wells which have different hyperbolictype
potential functions subject ...
Dynamics of nonlinear optical rectification, second, and third harmonic generation in asymmetric triangular double quantum wells due to static electric and magnetic fields
(2022)
In this study, we present a theoretical simulation of the impact of applied external electric and magnetic fields on
the nonlinear optical rectification (NOR), second harmonic generation (SHG), and third harmonic generation ...
Shallow-donor impurity effects on the far infrared electron–electron optical absorption coefficient in single and core/shell spherical quantum dots with Konwent-like confinement potential
(2022/6)
In this study, the electronic and optical properties of single or core/shell quantum dots, which are formed depending on the parameters in the selected Konwent potential, are investigated. Namely, the effects of the size ...
Electronic Transport Properties in GaAs/AlGaAs and InSe/InP Finite Superlattices under the Effect of a Non-Resonant Intense Laser Field and Considering Geometric Modifications
(2022)
In this work, a finite periodic superlattice is studied, analyzing the probability of electronic
transmission for two types of semiconductor heterostructures, GaAs/AlGaAs and InSe/InP. The
changes in the maxima of the ...
Dynamics of nonlinear optical rectification, second, and third harmonic generation in asymmetric triangular double quantum wells due to static electric and magnetic fields
(2022/4)
In this study, we present a theoretical simulation of the impact of applied external electric and magnetic fields on the nonlinear optical rectification (NOR), second harmonic generation (SHG), and third harmonic generation ...
First Study on the Electronic and Donor Atom Properties of the Ultra-Thin Nanoflakes Quantum Dots
(2022)
Nanoflakes ultra-thin quantum dots are theoretically studied as innovative nanomaterials
delivering outstanding results in various high fields. In this work, we investigated the surface
properties of an electron confined ...
Electronic and optical properties of a D-2(+) complex in two-dimensional quantum dots with Gaussian confinement potential
(2022/4/1)
Using the two-dimensional diagonalization method and the effective mass approximation, the electronic structure and intersubband optical absorption of the singly ionized double donor complex confined in a Gaussian quantum ...
The effects of external fields on double GaAs/AlGaAs quantum well with Manning potential
(2022)
In this paper, we calculated the electronic and optical absorption coefficient of the Manning-like double
quantum well under the external applied electric and magnetic fields. To calculate the linear and thirdorder
nonlinear ...
Influence of external fields on the exciton binding energy and interband absorption in a double inverse parabolic quantum well
(2022)
Ground-state binding energy and optical absorption coefficient of exciton in a symmetric double inverse
parabolic quantum well system in the presence of external electric and magnetic fields are investigated
theoretically. ...