Browsing Fizik Bölümü Makale Koleksiyonu by Title
Now showing items 69-88 of 193
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Gallium oxide films deposition by RF magnetron sputtering; a detailed analysis on the effects of deposition pressure and sputtering power and annealing
(2021)In this study, gallium oxide (Ga2O3) thin films were deposited on sapphire and n-Si substrates using Ga2O3 target by radio frequency magnetron sputtering (RFMS) at substrate temperature of 300 ◦C at variable RF power ... -
Generation of adiabatic pulses
(2022)A two-dimensional GaAs/AlGaAs quantum disk under the influence of a non-central potential resulting in azimuthal distortion, subjected to an external static electric field, is exposed to a linearly polarized laser pulse. ... -
Harmonic-Gaussian Symmetric and Asymmetric Double Quantum Wells: Magnetic Field Effects
(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 ... -
High average output power from a backside-cooled 2-µm InGaSb VECSEL with full gain characterization
(22/11/2021)We compare the gain and continuous wave lasing properties of two InGaSb-based vertical external cavity surface emitting lasers (InGaSb VECSEL) with different heat management approaches operating at a center wavelength of ... -
High harmonic generations in GaAs/AlGaAs superlattice: Effect of electric and magnetic field
(Elsevier, 2023)In this study, we have examined the nonlinear optical rectification (NOR), the second harmonic generation (SHG), and the third harmonic generation (THG) coefficients of the AlxGa1-xAs/GaAs superlattice with a periodically ... -
High harmonic generations triggered by the intense laser field in GaAs/ AlxGa1-xAs honeycomb quantum well wires
(Elsevier, 2023)Under constant electric and magnetic fields, the potential profile of the honeycomb quantum well wire (HQWW) is studied for varying intense laser fields to trigger and optimize high harmonics (nonlinear optical rectification, ... -
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 ... -
Incorporation of graphene oxide to metal-free phthalocyanine through hydrogen bonding for optoelectronic applications: An experimental and computational study
(WILEY, 2023)This paper focuses on incorporation of graphene oxide (GO) to metal-free phthalocyanine (MPc) through only hydrogen bonding and π-π stacking. Briefly, Pc-GO composites at various concentrations were prepared by selfassembly ... -
Influence of applied external fields on the nonlinear optical properties of a semi-infinite asymmetric AlGaAs/GaAs quantum well
(2021)The asymmetric potential profiles are of great interest from the nonlinear optical properties point of view for semiconductor devices. The reason for this statement is because the existing theories on nonlinear optical ... -
Influence of applied external fields on the nonlinear optical properties of a semi-infinite asymmetric AlxGa1-xAs/GaAs quantum well
(3 November)The asymmetric potential profiles are of great interest from the nonlinear optical properties point of view for semiconductor devices. The reason for this statement is because the existing theories on nonlinear ... -
Influence of applied external fields on the nonlinear optical properties of a semiinfinite asymmetric AlxGa1-xAs/GaAs quantum well
(2021)The asymmetric potential profiles are of great interest from the nonlinear optical properties point of view for semiconductor devices. The reason for this statement is because the existing theories on nonlinear optical ... -
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. ... -
Influence of perturbations on linear and nonlinear optical properties of quantum dot
(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
(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 ... -
Influence of position dependent effective mass on impurity binding energy and absorption in quantum wells with the Konwent potential
(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 ... -
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 ... -
Influence of the Size and Dielectric Environments on the Optical Properties in CdS/ZnS Core-Shell Quantum Dot
(Publisher name SPRINGER, 2023)In this work, the electronic and optical properties of CdS/ZnS core–shell quantum dots (CSQDs) capped in diferent matrices were investigated theoretically. Through the efective mass approximation (EMA) and the density ... -
Intense laser field effect on the nonlinear optical properties of triple quantum wells consisting of parabolic and inverse-parabolic quantum wells
(IOP Publishing, 25.02.2022)The nonlinear optical rectification, the second harmonic generation coefficient, and the third harmonic generation coefficient in parabolic-inverse parabolic-parabolic quantum wells (PIPPQWs) and inverse parabolic-para ... -
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 ... -
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 ...