Fizik Bölümü Makale Koleksiyonu: Recent submissions
Now showing items 121-140 of 193
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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
(2022)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 ... -
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. ... -
Optical Properties of Cylindrical Quantum Dots with Hyperbolic-Type Axial Potential under Applied Electric Field
(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 ... -
First Study on the Electronic and Donor Atom Properties of the Ultra-Thin Nanoflakes Quantum Dots
(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 ... -
Effects of Intense Laser Field on Electronic and Optical Properties of Harmonic and Variable Degree Anharmonic Oscillators
(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 ... -
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
(2022/6)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 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 ... -
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
(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 ... -
Effect of position-dependent effective mass on donor impurity- and exciton-related electronic and optical properties of 2D Gaussian quantum dots
(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 Applied Magnetic Field on the Optical Properties and Binding Energies Spherical GaAs Quantum Dot with Donor Impurity
(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 ... -
Photoionization cross section of a D-2(+) complex in quantum dots: the role of donor atoms configuration
(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 ... -
Energy spectrum and interlevel transitions within the conduction band of a D_2^+ complex confined in a spherical quantum dot
(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 ... -
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 ... -
Full optical SESAM characterization methods in the 1.9 to 3-µm wavelength regime
(01/03/2021)Semiconductor saturable absorber mirrors (SESAMs) are widely used for modelocking of various ultrafast lasers. The growing interest for SESAM-modelocked lasers in the short-wave infrared and mid-infrared regime requires ... -
Effect of high bandgap AlAs quantum barrier on electronic and optical properties of In0.70Ga0.30As/Al0.60In0.40As superlattice under applied electric field for laser and detector applications
(20/01/2021)Effect of high bandgap 0.5 nm AlAs on the electronic and optical properties of the In0.70Ga0.30As/Al0.60In0.40As superlattice is investigated by using effective mass approximation under the electric field. Electronic ... -
Analysis of the anomalous quartic W W W W couplings at the LHeC and the FCC-he
(19 July 20)The quartic gauge boson couplings that identify the strengths of the gauge boson self-interactions are exactly determined by the non-Abelian gauge nature of the Standard Model. The examination of these couplings at ep ... -
Model-independent limits for anomalous triple gauge bosons W + W − γ couplings at the CLIC
(18 June 20)In this study, we investigate the potential of the γ γ → W + W − , e + γ → e+ γ ∗ γ → e + W − W + and e+ e− → e+ γ ∗ γ ∗ e− → e + W − W + e − processes at the Com- pact Linear Collider (CLIC) operating in γ γ , γ ∗ γ and ... -
Characterization of multilayer Al doping in ZnO
(24/04/2021)ZnO, ZnO/Al, Al/ZnO/Al, and ZnO/Al/ZnO samples were deposited on c-plane sapphire and Si substrates by radio frequency magnetron sputtering (RFMS) using ZnO target. In order to form doped ZnO:Al thin films, these grown ... -
Watt-level and sub-100-fs self-starting mode-locked 2.4-µm Cr:ZnS oscillator enabled by GaSb-SESAMs
(09/02/2021)Femtosecond lasers with high peak power at wavelengths above 2 µm are of high interest for generating mid-infrared (mid-IR) broadband coherent light for spectroscopic applications. Cr2+-doped ZnS/ZnSe solid-state lasers ...