Two-dimensional electromagnetically induced phase grating via composite vortex light

SH Asadpour, HR Hamedi, T Kirova, E Paspalakis - Physical Review A, 2022 - APS
We investigate the performance of a symmetrical two-dimensional electromagnetically
induced grating produced in a four-level N-type atomic scheme, which interacts with a weak …

Azimuthal modulation of electromagnetically induced grating using structured light

SH Asadpour, T Kirova, J Qian, HR Hamedi… - Scientific Reports, 2021 - nature.com
We propose a theoretical scheme for creating a two-dimensional Electromagnetically
Induced Grating in a three-level Λ-type atomic system interacting with a weak probe field …

Non-Hermitian optics in atomic systems

Z Zhang, D Ma, J Sheng, Y Zhang… - Journal of Physics B …, 2018 - iopscience.iop.org
A wide class of non-Hermitian Hamiltonians can possess entirely real eigenvalues when
they have parity-time (PT) symmetric potentials. Recently, this family of non-Hermitian …

Azimuthal dependence of electromagnetically induced grating in a double V-type atomic system near a plasmonic nanostructure

SH Asadpour, T Kirova, HR Hamedi… - The European Physical …, 2023 - Springer
We conduct theoretical and numerical studies of the performance of a 2D
electromagnetically induced grating in a 4-level quantum system, which is situated near a …

Electromagnetically induced phase grating

LEE de Araujo - Optics letters, 2010 - opg.optica.org
I propose an electromagnetically induced phase grating based on the giant Kerr nonlinearity
of an atomic medium under electromagnetically induced transparency. The atomic phase …

Electromagnetically induced grating in asymmetric quantum wells via Fano interference

F Zhou, Y Qi, H Sun, D Chen, J Yang, Y Niu… - Optics Express, 2013 - opg.optica.org
We propose a scheme for obtaining an electromagnetically induced grating in an
asymmetric semiconductor quantum well (QW) structure via Fano interference. In our …

Slow-light six-wave mixing at low light intensities

H Kang, G Hernandez, Y Zhu - Physical review letters, 2004 - APS
We report an experimental study of resonant six-wave mixing in coherently prepared Rb
atoms. Electromagnetically induced transparency in a four-level atomic system suppresses …

Electromagnetically induced gratings in a degenerate open two-level system

GC Cardoso, JWR Tabosa - Physical Review A, 2002 - APS
We have experimentally investigated laser diffraction on electromagnetically induced
gratings in a degenerate open two-level system. The experiment employs the standard …