Linear and nonlinear optical absorption of cdse/cds core/shell quantum dots in the presence of donor impurity

GA Mantashian, NA Zaqaryan, PA Mantashyan… - Atoms, 2021 - mdpi.com
Linear and nonlinear optical properties in colloidal CdSe/CdS core/shell quantum dots with
different sizes have been theoretically investigated in the framework of effective mass …

Emerging nanostructured infrared absorbers enabling cost-effective image sensing: a review

A Sharma, J Kedia, N Gupta - Optical Engineering, 2021 - spiedigitallibrary.org
Image sensing has entered a new era with advancements in quantum mechanics. The
infrared (IR) absorbers are the heart of this new era of image sensing. Within the IR spectra …

Optical absorption computation of a D2+ artificial molecule in GaAs/Ga1− xAlxAs nanometer-scale rings

N Hernández, R López, JA Alvarez, JH Marin, MR Fulla… - Optik, 2021 - Elsevier
The linear and non-linear optical absorption coefficients of a D 2+ artificial molecule
confined in GaAs nano-scaled rings under a threading magnetic field were calculated. The …

Effects of anisotropy on the electronic structure and nonlinear optical rectification in a quantum dot with hydrogen molecular ion

H Sari - The European Physical Journal Plus, 2024 - Springer
In this study, the effects of anisotropy and quantum dot size on energy levels and nonlinear
optical rectification of a D 2+ molecular complex confined to a two-dimensional quantum dot …

Nonlinear optical absorption coefficient and refractive index change in symmetric semiconductor nanostructures: Comparison between different methods

S Evangelou - Physica E: Low-dimensional Systems and …, 2020 - Elsevier
We present a systematic study of the optical absorption coefficient (OAC) and refractive
index change (RIC) for a symmetric semiconductor nanostructure. We derived the OAC and …

[HTML][HTML] Electronic and spectral properties of Ge1− xSnx quantum dots

K Gawarecki, J Ziembicki, P Scharoch… - Journal of Applied …, 2024 - pubs.aip.org
In this paper, we study theoretically the electron and spectral properties of Ge 1− x Sn x
systems, including alloys, cubic-and spherical quantum dots. The single-particle electron …

Enhancing third-and fifth-order nonlinearity via tunneling in multiple quantum dots

SC Tian, HY Lu, H Zhang, LJ Wang, SL Shu, X Zhang… - Nanomaterials, 2019 - mdpi.com
The nonlinearity of semiconductor quantum dots under the condition of low light levels has
many important applications. In this study, linear absorption, self-Kerr nonlinearity, fifth-order …

Electric field-induced electronic structure and intersubband transitions of a hydrogen molecular ion in a gaussian-type quantum ring

S Sakiroglu, H Sari - The European Physical Journal Plus, 2024 - Springer
In this work, the influence of an external electric field on the electronic structure and
intersubband transitions of a singly ionized double-donor system in a GaAs quantum ring …

Molecular complex states and intersubband transitions in a quantum ring under Gaussian repulsive potential

H Sari, S Sakiroglu - The European Physical Journal Plus, 2024 - Springer
In this work, the electronic structure and intersubband transitions of a singly ionized double-
donor system in a GaAs quantum ring defined by a Gaussian-type potentials are …

Effects of temperature, hydrostatic pressure, and aluminum concentration on the electro-optical properties of a molecular complex in elliptical GaAs/GaAlAs …

JL Palacio, E Giraldo-Tobón… - Optical and Quantum …, 2023 - Springer
The electro-optical properties, ie, the optical response in the presence of a static electric field
of a D 2+ molecular complex (two charge centers interacting with a conduction band …