Browsing Nanoteknoloji Mühendisliği Bölümü by Author "eec9db06-8ea8-4237-ba90-ec35736c3446"
Now showing items 1-9 of 9
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Combined effects of electric, magnetic, and intense terahertz laser fields on the nonlinear optical properties in GaAs/GaAlAs quantum well with exponentially confinement potential
Altuntas, İsmail; Dakhlaoui, H.; Mora-Ramos, M. E.; Ungan, Fatih (15.11.2021)We are presenting a theoretical investigation on the effects of applied electric, magnetic, and non-resonant intense laser field on the coefficients of intersubband linear, third-order nonlinear, and total optical ... -
Influence of hydrostatic pressure, temperature, and terahertz laser field on the electron-related optical responses in an asymmetric double quantum well
Sayrac, Muhammed; Turkoglu, Aslan; Ungan, Fatih (Springer, 2021)In this study, the effects of hydrostatic pressure, temperature, and high-frequency intense laser field on the nonlinear optical properties of an asymmetric GaAs/AlGaAs double quantum well was theoretically investigated. ... -
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
Sayrac, Muhammed; Belhadj, W; Dakhlaoui H; Ungan, Fatih (Springer, 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 ... -
Intensity-dependent nonlinear optical properties in an asymmetric Gaussian potential quantum well-modulated by external fields
Sayrac, Muhammed; Turkoglu, Aslan; Mora-Ramos, M. E.; Ungan, Fatih (Springer, 2021)In this paper, the efects of external electric, magnetic and non-resonant intense laser felds on the nonlinear optical rectifcation (NOR), second-harmonic (SH), and third harmonic (TH) generation in a GaAs quantum well ... -
Interband transitions and exciton binding energy in a Razavy quantum well: effects of external fields and Razavy potential parameters
Sayrac, Muhammed; Peter A. John; Ungan, Fatih (Springer, 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 ... -
Investigating the optical, electronic, magnetic properties and DFT of NiO films prepared using RF sputtering with various argon pressures
Hopoğlu, Hicret; Kaya, Dogan; Maslov, Mikhail M.; Kaya, Savas; Demir, İlkay; Altuntaş, İsmail; Ungan, Fatih; Akyol, Mustafa; Ekicibil, Ahmet; Şenadım, Tüzemen Ebru (28.04.2023)In this study, we investigated the structural, optical, magnetic, and conductive properties of nickel oxide (NiO) films on glass substrates deposited using Radio Frequency (RF) magnetron sputtering with varying Ar ... -
Nonlinear optical properties in AlxGa1-xAs/GaAs double-graded quantum wells: The effect of the structure parameter, static electric, and magnetic field
H.S. Aydinoglu; Sayrac, Muhammed; M.E. Mora-Ramos; Ungan, Fatih (Elsevier, 2022)We present a theoretical simulation of the impact of applied external electric and magnetic fields, as well as of the change in structure parameters, on the nonlinear optical rectification (NOR), second harmonic ... -
Numerical simulation of linear and nonlinear optical properties in heterostructure based on triple Gaussian quantum wells: effects of applied external fields and structural parameters
Altuntas, İsmail; Mora-Ramos, M. E.; Dakhlaoui, H.; Ungan, Fatih (26.07.2021)In this work, we present a theoretical simulation of the impact of applied external fields and structural parameters on the total (linear plus nonlinear) optical absorption coefficient (TOAC) and total refractive relative ... -
The effect of structure parameters and static electric field on the nonlinear optical properties of triple InGaAs/GaAs quantum well
Sayrac, Muhammed; Kaynar, Emine; Ungan, Fatih (ScienceDirect, 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. ...