Numerical study of optical absorption coefficients in Manning-like AlGaAs/GaAs double quantum wells: Effects of doped impurities

H Dakhlaoui, W Belhadj, AS Durmuslar… - Physica E: Low …, 2023 - Elsevier
We study the electronic and optical properties of a heterostructure based on Manning-like
double quantum wells under the impact of an n-doped layer inserted in two different …

Linear and nonlinear optical absorption coefficients and refractive index changes in GaN/AlxGa (1− x) N double quantum wells operating at 1.55 μm

H Dakhlaoui - Journal of Applied Physics, 2015 - pubs.aip.org
In the present paper, the linear and nonlinear optical absorption coefficients and refractive
index changes between the ground and the first excited states in double GaN/Al x Ga (1− x) …

Binding energy, electronic states, and optical absorption in a staircase-like spherical quantum dot with hydrogenic impurity

H Dakhlaoui, W Belhadj, MO Musa, F Ungan - The European Physical …, 2023 - Springer
In this paper, we compute the impurity binding energy, electronic states, and optical
absorption coefficients of a staircase-like spherical quantum dot with on-center hydrogenic …

The effects of doping layer location on the electronic and optical properties of GaN step quantum well

H Dakhlaoui - Superlattices and Microstructures, 2016 - Elsevier
In the present work, the intersubband transition and the optical absorption coefficient
between the ground and the first excited states in the Si-δ-doped step AlGaN/GaN quantum …

Enhancement of the optical absorption in MgZnO/ZnO quantum well under external electric field

H Dakhlaoui, M Nefzi - Optik, 2018 - Elsevier
In this study, the effects of magnesium composition and the external electric field on the
optical absorption coefficient lineshape and intersubband transitions in Mg x Zn (1-x) O/ZnO …

[HTML][HTML] Simultaneous effect of impurities, hydrostatic pressure, and applied potential on the optical absorptions in a GaAs field-effect transistor

H Dakhlaoui, M Nefzi - Results in Physics, 2019 - Elsevier
This work theoretically investigates the impact of structural parameters on energy levels and
optical absorption coefficients in an Si-delta doped GaAs field-effect transistor δ-FE T. The …

Quantum size and magnesium composition effects on the optical absorption in the MgxZn (1− x) O/ZnO quantum well

H ben Bechir Dakhlaoui, N Mouna - Chemical Physics Letters, 2018 - Elsevier
In this work, we investigated the effects of polarizations and structural parameters on the
optical absorption coefficient (OAC) and the intersubband transition between the three …

Theoretical simulation of optical absorption coefficients in heterostructure based on semi-parabolic-double quantum wells

H Dakhlaoui, AS Durmuslar… - The European Physical …, 2022 - Springer
In this work, we have performed a numerical calculation to obtain the lowest three electron
subband energy levels and their density of probabilities in a n-doped heterostructure …

[HTML][HTML] Theoretical study of electronic properties of resonant tunneling diodes based on double and triple AlGaAs barriers

S Almansour - Results in Physics, 2020 - Elsevier
In this paper, we investigated the effect of the central AlGaAs barrier width L b2 in a resonant
tunneling diode (RTD) composed by triple barriers on the current-voltage characteristics …

Effect of Si δ-doping on the linear and nonlinear optical absorptions and refractive index changes in InAlN/GaN single quantum wells

A Shaffa, D Hassen, A Emane - Chinese Physics Letters, 2016 - iopscience.iop.org
In the framework of effective mass approximation, we theoretically investigate the electronic
structure of the Si δ-doped InAlN/GaN single quantum well by solving numerically the …