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Now showing items 21-30 of 39
Intense terahertz laser field induced electro-magneto-donor impurity associated photoionization cross-section in Gaussian quantum wires
(2022)
Using expressions derived within the compact density matrix approach, the peaks of optical absorption and the
changes of refractive index of a hydrogenic impurity in a GaAs/GaAlAs Gaussian quantum well wire are
calculated ...
The effects of temperature and pressure on the optical properties of a donor impurity in ðIn; GaÞN=GaN multilayer cylindrical quantum dots
(2022)
This paper examines the variation of the linear, third-order nonlinear and total intersubband
optical absorption (refractive index changes) coefficients of a donor impurity in multilayer cylindrical
quantum dots (MCQDs), ...
Interband transitions and exciton binding energy in a Razavy quantum well: effects of external fields and Razavy potential parameters
(2022)
In this paper, we theoretically investigated the influence of externally applied fields such as high-frequency non-resonant
intense laser fields, static electric and magnetic fields, as well as structure parameters, on ...
Photoionization cross section of donor single dopant in multilayer quantum dots under pressure and temperature effects
(2022)
The shallow donor single dopant confined in the multilayer cylindrical quantum dots is investigated numerically
within the framework of effective-mass approximation. The Schr¨odinger equation that governs the wave ...
Investigation of linear and nonlinear optical absorption coefficients and refractive index changes of a zigzag quantum well with structure parameters and applied external fields
(2022)
In this study, we have investigated some linear and nonlinear optical properties of GaAs/GaAlAs zigzag quantum
well structures under different electric and magnetic field intensities. We also examined the effect of ...
Effects of hydrostatic pressure and temperature on the nonlinear optical properties of GaAs/ GaAlAs zigzag quantum well
(2022)
We have examined theoretically how the temperature and
the hydrostatic pressure affect the total optical absorption
coefficients, the total refractive index changes, and the
second harmonic generation coefficients for ...
Investigation of linear and nonlinear optical absorption coefficients and refractive index changes of a zigzag quantum well with structure parameters and applied external fields
(2023)
In this study, we have investigated some linear and nonlinear optical properties of GaAs/GaAlAs zigzag quantum
well structures under different electric and magnetic field intensities. We also examined the effect of ...
Influence of structural variables and external perturbations on the nonlinear optical rectification, second, and third-harmonic generation in the InP/InGaAs triple quantum well structure
(2023)
The InP/InGaAs triple quantum well (TQW) structure is of significant interest to researchers studying new generations
of semiconductor optoelectronic devices, as it offers valuable opportunities for controlling and enhancing ...
Theoretical investigation of nonlinear optical properties of Mathieu quantum well
(2023)
In this study, for the first time, the effect of externally applied static electric, magnetic, and non-resonant THz intense
laser fields on nonlinear optical properties such as the total optical absorption coefficients ...
Binding energy, electronic states, and optical absorption in a staircase-like spherical quantum dot with hydrogenic impurity
(2023)
In this paper, we compute the impurity binding energy, electronic states, and optical absorption coefficients of a staircaselike
spherical quantum dot with on-center hydrogenic impurity within the effective mass approximation. ...