Browsing Sivas Cumhuriyet Üniversitesi Fen Fakültesi by Author "0000-0002-0893-9210"
Now showing items 1-20 of 32
-
Dynamics of nonlinear optical rectification, second, and third harmonic generation in asymmetric triangular double quantum wells due to static electric and magnetic fields
Kasapoğlu, Esin (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 ... -
Effect of position-dependent effective mass on donor impurity- and exciton-related electronic and optical properties of 2D Gaussian quantum dots
Kasapoğlu, Esin (2022)Using the compact density matrix scheme and the effective mass approximation, we study the influence of positiondependent electron and heavy-hole mass distributions on the impurity-related electronic properties, excitonic ... -
Effects of external perturbations on light absorption by light/heavy hole excitons in a semi-parabolic quantum well
Peter A John; Kasapoglu Esin; Mora Ramos M E; Ungan F (Elsevier, 2023)The effects of electric, magnetic, and intense terahertz laser fields on optoelectronic properties are inves- tigated in a GaAs/Al x Ga 1-x As semi-parabolic quantum well. The binding energy, exciton light absorption ... -
Effects of intense laser field and position dependent effective mass in Razavy quantum wells and quantum dots
Kasapoğlu, Esin (2021)Using the effective mass and parabolic band approximations, we investigated the position-dependent effective mass and non-resonant intense laser field effects on the first and third-order corrections of the absorption and ... -
Effects of Intense Laser Field on Electronic and Optical Properties of Harmonic and Variable Degree Anharmonic Oscillators
Kasapoğlu, Esin (2022)In this paper, we calculated the electronic and optical properties of the harmonic oscillator and single and double anharmonic oscillators, including higher-order anharmonic terms such as the quartic and sextic under the ... -
Electric field, magnetic field, and hydrostatic pressure effects on the absorption coefficient for GaAs/Al𝑥���Ga1−𝑥���As/Al0.3Ga0.7As staggered core–shell–shell spherical quantumdots
Rodríguez-Guijarro G; Rodríguez-Magdaleno K A; Kasapoglu Esin; Nava-Maldonado F M; Ungan F; Martínez-Orozco J C (Elsevier, 2023)Quantum dot’s optical properties are of great interest from the point of view of basic physics, as well as for their possible applications in optoelectronic devices. Among the large number of possible quantum dot ... -
Electronic and optical properties of a D+ 2 complex in two-dimensional quantum dots with Gaussian confinement potential
Kasapoğlu, Esin (2022)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 ... -
Electronic and optical properties of the exponential and hyperbolic Rosen–Morse types quantum wells under applied magnetic field
Kasapoglu Esin; Yücel M B; Duque Carlos (Springer, 2023)In this study, we considered the electronic and optical properties of quantum wells with the exponential and hyperbolic Rosen–Morse potentials under an appliedmagnetic field. Calculations aremade within the framework of ... -
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
Kasapoğlu, Esin (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 ... -
First Study on the Electronic and Donor Atom Properties of the Ultra-Thin Nanoflakes Quantum Dots
Kasapoğlu, Esin (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 ... -
Harmonic-Gaussian Symmetric and Asymmetric Double Quantum Wells: Magnetic Field Effects
Kasapoglu Esin; Yücel M B; Duque C A (MDPI, 2023)In this study, we considered the linear and non-linear optical properties of an electron in both symmetrical and asymmetrical double quantum wells, which consist of the sum of an internal Gaussian barrier and a harmonic ... -
Influence of external fields on the exciton binding energy and interband absorption in a double inverse parabolic quantum well
Kasapoğlu, Esin (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. ... -
Influence of position dependent effective mass on impurity binding energy and absorption in quantum wells with the Konwent potential
Kasapoğlu, Esin (Elsevier, 13 July 20)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 ... -
Magneto-optical properties of impurity associated photoionization cross-section in laser-driven delta-doped quantum wires
Kasapoğlu, Esin (Elsevier, 27 July 20)Within the structure of parabolic band and effective-mass approximations, the effects of magnetic and intense terahertz laser fields on the donor impurity-associated photoionization cross-section and nonlinear optical ... -
Nonlinear absorption coefficient and relative refractive index change for Konwent potential quantum well as a function of intense laser field effect
Rodríguez-Magdaleno K A; Nava-Maldonado FM; Kasapoglu Esin; Mora-Ramos M E; Ungan F; Martínez-Orozco J C (Elsevier, 2023)Optoelectronic properties of semiconductor quantum wells are among the most studied issues in solid state device physics. However, this is a topic that deserves attention because of the particular potential energy shape ... -
Optical Properties of Cylindrical Quantum Dots with Hyperbolic-Type Axial Potential under Applied Electric Field
Kasapoğlu, Esin (2022)In this paper, we have researched the electronic and optical properties of cylindrical quantum dot structures by selecting four different hyperbolic-type potentials in the axial direction under an axially-applied electric ... -
Optical properties of spherical quantum dot in the presence of donor impurity under the magnetic field
Kasapoğlu, Esin (16 March 2)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 ... -
Parabolic–Gaussian Double Quantum Wells Under a Nonresonant Intense Laser Field
Kasapoglu Esin; Yücel M B; Duque Carlos A (MDPI, 14 Nisan 2)In this paper, we investigate the electronic and optical properties of an electron in both symmetric and asymmetric double quantum wells that consist of a harmonic potential with an internal Gaussian barrier under a ... -
Photoionization cross section of a D+ 2 complex in quantum dots: the role of donor atoms configuration
Kasapoğlu, Esin (2022)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 ... -
Position dependent effective mass effect on the quantum wells with three-parameter modified Manning potential
Kasapoğlu, Esin (17 June 20)This article reports a theoretical study of the intersubband optical properties in quantum wells with modified Manning potential considering the effects of position-dependent effective mass. Calculations are made in the ...