Finite element 3D model of a double quantum ring: effects of electric and laser fields on the interband transition
In this work, the changes in the energy of electrons and holes, oscillator strength and
interband transition time when external fields are applied to a GaAs/AlGaAs semiconductor …
interband transition time when external fields are applied to a GaAs/AlGaAs semiconductor …
Electronic and optical responses of laser dressed triple concentric quantum rings in electric field
In this paper, we theoretically studied a 3D structure of GaAs/Al0. 3Ga0. 7As triple concentric
quantum rings submitted to the combined action of a non-resonant intense laser and a static …
quantum rings submitted to the combined action of a non-resonant intense laser and a static …
Enhanced polarization sensitivity and tunability in truncated pyramidal GaAs quantum dots for FIR applications
S **danate, P Sathongpaen, A Amthong - Materials Today Nano, 2024 - Elsevier
The far-infrared (FIR) spectrum, covering wavelengths from 20 to 1000 μ m, presents
significant challenges for the manipulation and detection of polarized light, especially in the …
significant challenges for the manipulation and detection of polarized light, especially in the …
[HTML][HTML] Geometry-Tuned Optical Absorption Spectra of the Coupled Quantum Dot–Double Quantum Ring Structure
We investigate the energy spectra and optical absorption of a 3D quantum dot–double
quantum ring structure of GaAs/Al0. 3Ga0. 7As with adjustable geometrical parameters. In …
quantum ring structure of GaAs/Al0. 3Ga0. 7As with adjustable geometrical parameters. In …
Double Quantum Ring under an Intense Nonresonant Laser Field: Zeeman and Spin-Orbit Interaction Effects
We theoretically investigate the properties of an electron energy spectrum in a double GaAs-
Al0. 3Ga0. 7As quantum ring by using the effective mass and adiabatic approximations …
Al0. 3Ga0. 7As quantum ring by using the effective mass and adiabatic approximations …
Elliptical Quantum Rings with Variable Heights and under Spin–Orbit Interactions
We investigate the electronic properties of a semiconductor quantum ring with an elliptical
shape and non-uniform height, allowing for distributed quantum-dot-like bulges along its …
shape and non-uniform height, allowing for distributed quantum-dot-like bulges along its …
Deep learning neural network for approaching Schrödinger problems with arbitrary two-dimensional confinement
A Radu, CA Duque - Machine Learning: Science and Technology, 2023 - iopscience.iop.org
This article presents an approach to the two-dimensional Schrödinger equation based on
automatic learning methods with neural networks. It is intended to determine the ground …
automatic learning methods with neural networks. It is intended to determine the ground …
The role of geometry in tailoring the linear and nonlinear optical properties of semiconductor quantum dots
GA Mantashian - Nanophotonics X, 2024 - spiedigitallibrary.org
The paper aims to reveal the relationship between the geometrical features and linear and
nonlinear optical properties of InAs Quantum Dots (QDs). This problem is justified by the …
nonlinear optical properties of InAs Quantum Dots (QDs). This problem is justified by the …
Stationary States of an Electron in a Prolate Spheroidal Quantum Dot
MV Hayrapetyan, AZ Muradyan - Journal of Contemporary Physics …, 2024 - Springer
The stationary states of an electron in a nanosized semiconductor quantum dot of spheroidal
shape with a deep confining potential are considered. The discrete energy spectrum and …
shape with a deep confining potential are considered. The discrete energy spectrum and …
Crossing Points in Spectra and Light Absorption in Spheroidal and Cone-Shaped Quantum Dots
We briefly review the analysis of the energy spectrum, the envelope eigenfunctions of
electron, hole and exciton states, and the direct interband light absorption in cone-shaped …
electron, hole and exciton states, and the direct interband light absorption in cone-shaped …