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Now showing items 51-60 of 113
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. ...
Nonlinear optical properties in AlxGa1-xAs/GaAs double-graded quantum wells: The effect of the structure parameter, static electric, and magnetic field
(2022)
We present a theoretical simulation of the impact of applied external electric and magnetic fields, as well as of the change in structure parameters, on the nonlinear optical rectification (NOR), second harmonic generation ...
Strain effect on the intraband absorption coefficient for spherical CdSe/CdS/ZnSe core–shell–shell quantum dots
(2022)
In this work, we theoretically calculated the intraband absorption coefficient (IAC) between the 1𝑠��� and 1𝑝���
conduction band states for a spherical core/shell/shell quantum dot (CSS-QD) as function of inner and outer ...
The nonlinear optical properties of GaAs/GaAlAs triple quantum well: Role of the electromagnetic fields and structural parameters
(2022)
Being relevant to the field of device applications, multiple semiconductor quantum wells are systems that exhibit
remarkable optical and electronic properties. These can be properly tuned by suitably modifying 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)
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 ...
The non-resonant intense laser field effects on the binding energies and the nonlinear optical properties of a donor impurity in Rosen– Morse quantum well
(2022)
We analyze the influence of electron–donor impurity interaction as well as of a high-frequency non-resonant
intense laser field on the intraband linear, third-order nonlinear, and total optical absorption coefficients in ...
In plane magnetic field and intense laser field effects on second harmonic generation of asymmetric AlGaAs/GaAs double quantum well
(2022)
The optical properties for nano-structured semiconductor systems are of great importance nowadays, due to its possible implementation
for the design of efficient optoelectronic devices. It is also well known that external ...