Vacuum-induced processes in multilevel atoms

M Kiffner, M Macovei, J Evers, CH Keitel - Progress in Optics, 2010 - Elsevier
Publisher Summary Atoms commonly do not act as isolated objects, but rather are open
quantum systems, as they interact with the environment. Typically, this environment is …

Laguerre-Gaussian modes generated vector beam via nonlinear magneto-optical rotation

M Ghaderi Goran Abad, M Mahmoudi - Scientific Reports, 2021 - nature.com
Laguerre-Gaussian (LG) beams contain a helical phase front with a doughnut-like intensity
profile. We use the LG beam to introduce a rather simple method for generation of a vector …

Superluminal propagation of surface plasmon polaritons via hybrid chiral quantum dots system

M Idrees, HJ Li - New Journal of Physics, 2024 - iopscience.iop.org
We present a novel methodology for enhancing superluminal surface plasmon polaritons
(SPPs) propagations within a hybrid nanostructure configuration consisting of gold (Au) …

[HTML][HTML] Enhanced superluminal pulse propagation via chiral quantum dot system

M Idrees, HJ Li - Results in Physics, 2024 - Elsevier
The control and enhancement of superluminal pulse propagation via a chiral quantum-dots
(QDs) system is presented in this article. The proposed system is a double chiral QDs four …

Acoustic-vortex generation through orbital angular momentum transfer

R Amiri, M Mahdavi, M Mahmoudi - Physical Review A, 2024 - APS
We explore the phenomenon of orbital angular momentum (OAM) transfer within a high-
quality single-crystal diamond mechanical resonator containing nitrogen-vacancy (NV) …

Identifying orbital angular momentum of light in quantum wells

SH Kazemi, M Mahmoudi - Laser Physics Letters, 2019 - iopscience.iop.org
Recently, the generation and detection of structured light have been the subject of intense
studies, aiming to realize high-capacity optical storage and continuous-variable quantum …

Propagation of Gaussian vortex beams in electromagnetically induced transparency media

Y Wang, M Guo, J Wu, J Liu, X Yang, J Li - Optics Express, 2022 - opg.optica.org
Electromagnetically induced transparency (EIT) is an important phenomenon in quantum
optics, and has a wide range of applications in the fields of quantum information processing …

Nonlinear parametric generation and optical vortex transfer in graphene ensemble under Landau quantization

A Mehdinejad - Scientific Reports, 2024 - nature.com
We explore the dynamics of nonlinear parametric generation and light beam propagation in
a Landau-quantized graphene structure with three energy levels interacting with two laser …

Absorption-free superluminal light propagation in a quantum-dot molecule

M Mahmoudi, M Sahrai - Physica E: Low-dimensional Systems and …, 2009 - Elsevier
The propagation of a weak probe field in a three-level quantum-dot molecule is investigated
by employing the tunnel coupling. It is shown that in the absence of tunnel coupling, the …

Enhanced photon drag in closed-loop quantum systems

SH Kazemi, M Mahmoudi - Physica Scripta, 2019 - iopscience.iop.org
In recent years, photon drag has attracted enormous attention owing to both fundamental
and practical interests. In this paper, we investigate dragging effect in quantum systems with …