Off-center hydrogenic impurity in spherical quantum dot with parabolic potential

Y Yakar, B Çakır, A Özmen - Superlattices and Microstructures, 2013 - Elsevier
The binding energies of 1s-, 2p-, 3d-and 4f-states of a spherical quantum dot (QD) with
parabolic potential are investigated by using the perturbation method. The binding energies …

Calculation of Zeeman splitting and Zeeman transition energies of spherical quantum dot in uniform magnetic field

B Çakır, Ü Atav, Y Yakar, A Özmen - Chemical Physics, 2016 - Elsevier
In this study we report a detailed theoretical investigation of the effect of an external
magnetic field on the 1s-, 2p-, 3d-and 4f-energy states of a spherical quantum dot. We treat …

Analyzing total optical absorption coefficient of impurity doped quantum dots in presence of noise with special emphasis on electric field, magnetic field and …

A Mandal, S Sarkar, AP Ghosh, M Ghosh - Chemical Physics, 2015 - Elsevier
We make an extensive investigation of total optical absorption coefficient (TOAC) of impurity
doped quantum dots (QDs) in presence and absence of Gaussian white noise. The TOAC …

Analyzing role of relaxation time on second harmonic generation and optical dielectric function of impurity doped quantum dots under the aegis of noise

SM Arif, A Bera, A Ghosh, M Ghosh - Physica B: Condensed Matter, 2020 - Elsevier
Present study monitors the influence of relaxation time (τ) on second harmonic generation
(SHG) and total optical dielectric function (TODF) of impurity containing quantum dot (QD) …

Influence of impurity binding energy on the excitation dynamics of doped GaAs quantum dot: Role of noise

S Datta, M Ghosh - Journal of Chemical Sciences, 2023 - Springer
The study rigorously analyzes the time-average excitation rate (TAER) of impurity doped
GaAs quantum dot as a function of the binding energy (BE) of the system and under the …

Laser radiation effect on the optical properties of a spherical quantum dot confined in a cylindrical nanowire

G Safarpour, A Zamani, MA Izadi, H Ganjipour - Journal of luminescence, 2014 - Elsevier
An investigation is done in order to calculate the linear, third-order nonlinear and total
optical absorption coefficient and refractive index changes of an impure GaAs spherical …

Electronic structure of two-electron quantum dot with parabolic potential

Y Yakar, B Çakır, A Özmen - Philosophical Magazine, 2015 - Taylor & Francis
In this study, we investigate the parabolic potential effects on the ground and excited energy
states of two-electron quantum dot with impurity inside an infinite spherical confining …

Impact of electron-LO-phonon correction and donor impurity localization on the linear and nonlinear optical properties in spherical core/shell semiconductor quantum …

S M'zerd, M El Haouari, A Talbi, E Feddi… - Journal of Alloys and …, 2018 - Elsevier
In the present work, the linear, third-order nonlinear and total optical absorption coefficients
as well as relative refractive index change have been calculated in the case of GaAs/AlAs …

Donor impurity-related linear and nonlinear intraband optical absorption coefficients in quantum ring: effects of applied electric field and hydrostatic pressure

MG Barseghyan, RL Restrepo, ME Mora-Ramos… - Nanoscale research …, 2012 - Springer
Abstract The linear and nonlinear intraband optical absorption coefficients in GaAs three-
dimensional single quantum rings are investigated. Taking into account the combined …

Noise-driven optical absorption coefficients of impurity doped quantum dots

J Ganguly, S Saha, S Pal, M Ghosh - Physica E: Low-Dimensional Systems …, 2016 - Elsevier
We make an extensive investigation of linear, third-order nonlinear, and total optical
absorption coefficients (ACs) of impurity doped quantum dots (QDs) in presence and …