Browsing Fizik Bölümü Makale Koleksiyonu by Author "0000-0003-4435-2879"
Now showing items 1-20 of 20
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Dynamics of nonlinear optical rectification, second, and third harmonic generation in asymmetric triangular double quantum wells due to static electric and magnetic fields
Al, Emre Bahadır; Kasapoğlu, Esin; Ungan, Fatih (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 ... -
Effect of magnetic field, size and donor position on the absorption coefficients related a donor within the core/shell/shell quantum dot
Emre Bahadır AL (2021)In this study, linear, nonlinear and total optical absorption coefficients related a single shallow donor atom confined in semiconductor core/shell/shell quantum dot heterostructure are researched in detail within the ... -
Effect of size modulation and donor position on intersubbands refractive index changes of a donor within a spherical core/shell/shell semiconductor quantum dot
Al, Emre Bahadır (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 ... -
Effects of applied electric and magnetic fields on the nonlinear optical properties of asymmetric GaAs/Ga1-xAlxAs double inverse parabolic quantum well
Emre Bahadır AL (2015)The combined effects of electric and magnetic fields on the optical absorption coefficients and refractive index changes related to the intersubband transitions within the conduction band of asymmetric GaAs/Ga(1-x)Al(x)As ... -
Effects of Applied Magnetic Field on the Optical Properties and Binding Energies Spherical GaAs Quantum Dot with Donor Impurity
Edet, Collins Okon; Al, Emre Bahadır; Ungan, Fatih; Ali, N.; Rusli, N.; Aljunid, S. A.; Endut, R.; Asjad, M. (2022/8/10)The screened modified Kratzer potential (SMKP) model is utilized to scrutinize the impacts of an applied magnetic field (MF) on the binding energies and linear and nonlinear optical properties spherical GaAs quantum dot ... -
Effects of external electric and magnetic field on the nonlinear optical rectification, second, and third-harmonic generations in GaAs/AlGaAs asymmetric triple quantum well
A Turker Tuzemen; EB Al; H Dakhlaoui; F Ungan (Springer Berlin Heidelberg, 2023/7/31)In this paper, we theoretically investigate the nonlinear optical rectification (NOR), second-harmonic generation (SHG), and third-harmonic generation (THG) coefficients of an AlGaAs/GaAs asymmetric triple quantum well ... -
Effects of rare earth element Gd on microstructure, thermodynamic parameters, mechanical, and shape recovery properties of CuAlTa alloys
Ercan Ercan; Emre Bahadır Al; Fethi Dağdelen (Springer International Publishing, 2023/11)The microstructure, thermodynamic parameters, mechanical properties, and shape recovery properties of alloys consisting of Cu83.5−xAl13.5Ta3Gdx (x=0,0.5,1 mass%) alloy were investigated. Results showed that the addition ... -
Effects of the confinement potential parameters and optical intensity on the linear and nonlinear optical properties of spherical quantum dots
We study the linear and nonlinear optical properties of a spherical GaAs quantum dot with screened modified Kratzer potential (SMKP) by solving the time-independent Schrödinger wave equation using the diagonalization method. ... -
Electronic and optical properties of a D-2(+) complex in two-dimensional quantum dots with Gaussian confinement potential
Sarı, Hüseyin; Al, Emre Bahadır; Kasapoğlu, Esin; Şakiroğlu, Serpil; Sökmen, İsmail; Toro-Escobar, M.; Duque, Carlos Alberto (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 ... -
Energy spectrum and interlevel transitions within the conduction band of a D_2^+ complex confined in a spherical quantum dot
Al, Emre Bahadır; Sarı, Hüseyin; Şakiroğlu, Serpil; Sökmen, İsmail (2022/12)In this work, we have performed a theoretically study on the energy spectrum, binding energy and interlevel transitions within the conduction band of a D+2 complex confined in a spherical quantum dot with finite confinement ... -
Influence of perturbations on linear and nonlinear optical properties of quantum dot
CO Edet; EB Al; FATİH Ungan; Etido P Inyang; N Ali; MM Ramli; R Endut; SA Aljunid (Springer Berlin Heidelberg, 2023/10/10)This study focused on investigating the influence of perturbations on the linear and nonlinear optical properties of Ga As/Ga1−x Alx As screened modified Kratzer potential (SMKP) quantum dot (QD). The optical absorption ... -
Influence of position dependent effective mass on impurity binding energy and absorption in quantum wells with the Konwent potential
Emre Bahadır AL (2021)In this work, we perform a theoretical investigation on the effect of position-dependent effective mass on binding energy and optical absorption coefficient for donor impurities in single and double quantum wells defined ... -
Linear and nonlinear optical properties of CdSe/ZnTe core/shell nanostructures with screened modified Kratzer potential
M Jaouane; K El-Bakkari; EB Al; A Sali; F Ungan (Springer Berlin Heidelberg, 2023/4/7)In this work, we have theoretically examined the linear, nonlinear and total refractive index changes (RICs) and optical absorption coefficients (OACs) between the ground (1s) and the first excited state (1p) of CdSe/ZnTe ... -
Nonlinear optical properties of modified Möbius squared potential well: influence of electric and magnetic fields
Aysevil Salman Durmuslar; Hassen Dakhlaoui; Emre Bahadır Al; Fatih Ungan (Taylor & Francis, 2023/11/2)This work presents a numerical study on the electronic and optical properties of modified Möbius squared potential well in the presence of static electric and magnetic fields. The potential well is formed within GaAs/AlGaAs ... -
Optical properties of spherical quantum dot in the presence of donor impurity under the magnetic field
Emre Bahadır AL (2021)In this study, the binding energies of an on-center and off-center hydrogenic donor impurity in a spherical quantum dot with finite confinement potential under an applied external magnetic field are investigated in detail ... -
Photoionization cross section of a D-2(+) complex in quantum dots: the role of donor atoms configuration
Al, Emre Bahadır; Sarı, Hüseyin; Kasapoğlu, Esin; Şakiroğlu, Serpil; Sökmen, İsmail (2022/8/1)This study reports a theoretical investigation on the electronic spectrum and the photoionization cross section of a singly ionized double donor complex D_2^+ confined in a two-dimensional quantum dot with Gaussian confinement ... -
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
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 ... -
The nonlinear optical properties of" 12-6" tuned GaAs/GaAlAs double quantum well under the external fields
A Turker Tuzemen; H Dakhlaoui; EB Al; F Ungan (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 ... -
Theoretical investigation of nonlinear optical properties of Mathieu quantum well
EB Al; AJ Peter; ME Mora-Ramos; F Ungan (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 ... -
Zeeman splitting, Zeeman transitions and optical absorption of an electron confined in spherical quantum dots under the magnetic field
Emre Bahadır AL (2021)In this study, we present a detailed theoretical investigation of the effect of an externally applied magnetic field on the energy states 1s, 1p, 1d and 1f in the spherical quantum dot with finite and infinite confinement ...