Vectorial light–matter interaction: Exploring spatially structured complex light fields

J Wang, F Castellucci, S Franke-Arnold - AVS Quantum Science, 2020 - pubs.aip.org
Research on spatially structured light has seen an explosion in activity over the past
decades, powered by technological advances for generating such light and driven by …

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 …

Atomic compass: detecting 3D magnetic field alignment with vector vortex light

F Castellucci, TW Clark, A Selyem, J Wang… - Physical Review Letters, 2021 - APS
We describe and demonstrate how 3D magnetic field alignment can be inferred from single
absorption images of an atomic cloud. While optically pumped magnetometers …

Efficient spatiotemporal-vortex four-wave mixing in a semiconductor nanostructure

Z Wang, Y Zhang, E Paspalakis, B Yu - Physical Review A, 2020 - APS
We propose a scheme to demonstrate spatiotemporal-vortex four-wave mixing (FWM) in an
asymmetric semiconductor double quantum-well nanostructure. It is found that the orbital …

Control of space-dependent four-wave mixing in a four-level atomic system

J Qiu, Z Wang, D Ding, Z Huang, B Yu - Physical Review A, 2020 - APS
We propose a scheme to demonstrate the manipulation of space-dependent four-wave
mixing (FWM) in a four-level atomic system. By adjusting the detuning of the control field …

Complete energy conversion between light beams carrying orbital angular momentum using coherent population trapping for a coherently driven double- atom-light …

HR Hamedi, E Paspalakis, G Žlabys, G Juzeliūnas… - Physical Review A, 2019 - APS
We propose a procedure to achieve a complete energy conversion between laser pulses
carrying orbital angular momentum (OAM) in a cloud of cold atoms characterized by a …

Transfer of optical vortices in coherently prepared media

HR Hamedi, J Ruseckas, E Paspalakis, G Juzeliūnas - Physical Review A, 2019 - APS
We consider transfer of optical vortices between laser pulses carrying orbital angular
momentum in a cloud of cold atoms characterized by the Λ configuration of the atom-light …

Spatially structured transparency and transfer of optical vortices via four-wave mixing in a quantum-dot nanostructure

Rahmatullah, M Abbas, Ziauddin, S Qamar - Physical Review A, 2020 - APS
We propose a scheme to generate structured light using a medium consisting of
semiconductor quantum dots via four-wave mixing (FWM). We consider a four-level quantum …

[HTML][HTML] Spatially patterned light amplification without inversion

HR Hamedi, V Yannopapas, E Paspalakis, J Ruseckas - Results in Physics, 2023 - Elsevier
In this paper a method is proposed for achieving spatially dependent amplification without
inversion (AWI) by exposing a quantum emitter to two weak probe beams carrying orbital …