Browsing Fizik Bölümü by Title
Now showing items 165-184 of 195
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The anisotropy effects on the shallow-donor impurity states and optical transitions in quantum dots
(12 August )In this work, we theoretically investigate the anisotropy effects on impurity states and optical transitions in quantum dots. In particular, we investigate the role of the impurity position on the binding energy and ... -
The effect of impurity position and doping concentration on the binding energies and total optical absorption coefficients in a δ-doped quantum well
(Springer, 08 April 2)In this present work, for different impurity position and ionized doping concentrations, we have theoretically investigated the linear, third-order nonlinear, and total optical absorption coefficients corresponding to ... -
The effect of structure parameters and static electric field on the nonlinear optical properties of triple InGaAs/GaAs quantum well
(2023)Optical properties of In x Ga 1-x As/GaAs triple QW are studied for different quantum well thicknesses and external electric fields. The effective mass approximation is used to calculate the band alignment of the structure. ... -
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 ... -
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), ... -
The effects of the variable mass on the electronic and nonlinear optical properties of octic anharmonic oscillators
(Springer, 24 Ekim 20)In this paper, we investigate theoretically the effects of a spatially varying effective mass distribution on the electronic and optical properties of octic anharmonic oscillators. Calculations to determine eigenvalues ... -
The effects of the variable mass on the electronic and nonlinear optical properties of octic anharmonic oscillators
(Springer, 24 Ekim 20)In this paper, we investigate theoretically the effects of a spatially varying effective mass distribution on the electronic and optical properties of octic anharmonic oscillators. Calculations to determine eigenvalues ... -
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 ... -
The nonlinear optical properties of "12-6" tuned GaAs/GaAlAs double quantum well under the external fields
(2023)We have studied the linear and nonlinear optical properties of 12-6GaAs/Ga1-xAlxAs double quantum well heterostructure under different external fields’ effects such as electric, magnetic and intense laser fields. We also ... -
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 ... -
The nonlinear optical properties of" 12-6" tuned GaAs/GaAlAs double quantum well under the external fields
(Springer Berlin Heidelberg, 2023/2/22)We have studied the linear and nonlinear optical properties of 12-6 GaAs/Ga1-xAlxAs double quantum well heterostructure under different external fields’ effects such as electric, magnetic and intense laser fields. We also ... -
The nonlinear optical rectification, second and third harmonic generation coefficients of Konwent potential quantum wells
(2022)We have theoretically investigated the effect of structure parameters and applied external fields on the Ga1−xAlxAs/GaAs Konwent quantum well structure. Results of theoretical simulation have clarified the impact of applied ... -
The second, third harmonic generations and nonlinear optical rectification of the Mathieu quantum dot with the external electric, magnetic and laser field
(Publisher name ELSEVIER, 2023)In this study, the nonlinear optical properties of the In𝑥���Ga1−𝑥���As/GaAs Mathieu quantum dot (MQD) are investigated for the first time, focusing on the nonlinear optical rectification (NOR), second harmonic generation ... -
The second, third harmonic generations and nonlinear optical rectification of the Mathieu quantum dot with the external electric, magnetic and laser field
(16.06.2023)In this study, the nonlinear optical properties of the In𝑥��Ga1−𝑥��As/GaAs Mathieu quantum dot (MQD) are investigated for the first time, focusing on the nonlinear optical rectification (NOR), second harmonic generation ... -
Theoretical investigation of linear and nonlinear optical properties in an heterostructure based on triple parabolic barriers: Effects of external fields
(7 January )In this work, we have investigated theoretically the impact of intense laser, electric and magnetic fields on the linear and nonlinear optical properties of a quantum well heterostructure containing triple parabolic ... -
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 ... -
Theoretical investigation of nonlinear optical properties of Mathieu quantum well
(Springer Berlin Heidelberg, 2023/1/20)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 ... -
Theoretical simulation of optical absorption coefficients in heterostructure based on semi-parabolic-double quantum wells
(2022)In this work, we have performed a numerical calculation to obtain the lowest three electron subband energy levels and their density of probabilities in a n-doped heterostructure constituted by double semi parabolic quantum ... -
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 ... -
Tuning of binding energy, polarizability and photoionization cross-section of a hydrogenic impurity in CdTe/ZnTe core-shell nanostructure by the electric field and capped matrix
(Publisher name ELSEVIER, 2023)The current work describes in detail the effect of polarization charges on the electronic properties of core/shell spherical quantum dots (CSQDs) structures composed of CdTe/ZnTe semiconductors. In the calculations, ...