Linear and nonlinear optical absorption coefficients and refractive index changes in spherical quantum dots: Effects of impurities, electric field, size, and optical …

İ Karabulut, S Baskoutas - Journal of Applied Physics, 2008 - pubs.aip.org
In the present work, the case of a spherical quantum dot with parabolic confinement
subjected to an external electric field with the presence of an impurity, the linear and third …

Effects of magnetic, electric, and intense laser fields on the optical properties of AlGaAs/GaAs quantum wells for terahertz photodetectors

ALN Aishah, H Dakhlaoui, T Ghrib, BM Wong - Physica B: Condensed …, 2022 - Elsevier
We investigate optical absorption coefficients and changes in the refractive index in single-
and double-step GaAs/AlGaAs quantum wells under the influence of magnetic, electric, and …

Nonlinear optical properties of a hydrogenic impurity in an ellipsoidal finite potential quantum dot

G Rezaei, MRK Vahdani, B Vaseghi - Current Applied Physics, 2011 - Elsevier
The linear and the third-order nonlinear optical absorption coefficient and refractive index
changes of a hydrogenic impurity in an ellipsoidal quantum dot have been investigated …

Impurity and geometry effects on the optical rectification spectra of quasi-elliptical double quantum rings

D Bejan, C Stan - Physica E: Low-dimensional Systems and …, 2023 - Elsevier
We present a theoretical study on the effects of the impurity positions and geometry change
on the electronic and optical rectification spectra of GaAs/Ga 0.7 Al 0.3 As double quantum …

The electric field effects on the binding energies and the nonlinear optical properties of a donor impurity in a spherical quantum dot

M Kırak, S Yılmaz, M Şahin, M Gençaslan - Journal of Applied Physics, 2011 - pubs.aip.org
In this study, we have investigated the influence of an external electric field on the electronic
properties of the ground and excited states and studied the linear and the third-order …

Effects of applied external fields on the nonlinear optical rectification, second, and third-harmonic generation in an asymmetrical semi exponential quantum well

M Sayrac - Optical and Quantum Electronics, 2022 - Springer
The asymmetric potential profiles are focus of interest for researchers who study
semiconductor optoelectronic devices. Therefore, in this study, the effects of structure …

[HTML][HTML] Nonlinear optical properties in GaAs/Ga0. 7Al0. 3As spherical quantum dots with Like-Deng-Fan-Eckart potential

C Chang, X Li, X Wang, C Zhang - Physics Letters A, 2023 - Elsevier
The effects of several key factors on the nonlinear optical properties of spherical quantum
dots (QDs) with like-Deng-Fan-Eckart potential are studied theoretically, aiming at nonlinear …

Investigation of the nonlinear optical rectification coefficient in a multilayered spherical quantum dot

A Fakkahi, A Sali, M Jaouane, R Arraoui… - Optical Materials, 2022 - Elsevier
In the framework of the effective mass approximation, we have investigated the effects of
hydrostatic pressure, temperature, nonparabolicity of the band, and polaronic mass on …

Nonlinear optical rectification and optical absorption in GaAs–Ga1–xAlxAs asymmetric double quantum wells: Combined effects of applied electric and magnetic fields …

I Karabulut, ME Mora-Ramos, CA Duque - Journal of Luminescence, 2011 - Elsevier
The intersubband electron-related nonlinear optical absorption and nonlinear optical
rectification in GaAs–Ga 1–x Al x As asymmetric double quantum wells are studied, under …

Exciton–phonon properties in cylindrical quantum dot with parabolic confinement potential under electric field

O Mommadi, A El Moussaouy, M Chnafi… - Physica E: Low …, 2020 - Elsevier
The mixed confinement potential effect on exciton in cylindrical quantum dot (QD) is
calculated in the presence of an electric field with and without confined longitudinal optical …