Vortex beam assisted generation and manipulation of structured light

NS Mallick - Journal of the Optical Society of America B, 2024 - opg.optica.org
We conduct theoretical investigations into a fundamental closed-loop Λ-type atomic system
using 87 R b atoms, aiming to efficiently generate and manipulate structured light beams. A …

Orbital angular momentum carrying mid-infrared Bessel beam generation at room temperature

NS Mallick - Journal of the Optical Society of America B, 2024 - opg.optica.org
We explore the generation of orbital angular momentum (OAM) carrying mid-infrared Bessel-
Gaussian beams through nonlinear interactions within a non-uniformly broadened^ 85 R b …

Coherent mid-infrared vortex generation at room temperature for manipulation of microparticles

NS Mallick - Journal of the Optical Society of America B, 2024 - opg.optica.org
We investigate the generation of mid-infrared (mid-IR) vortex beams carrying orbital angular
momentum (OAM) through nonlinear processes in an inhomogeneously broadened^ 85 R b …

High-precision two-and three-dimensional atom localization via spatial dependent probe absorption in a closed-loop M-type atomic system

N Singh, A Wasan - JOSA B, 2018 - opg.optica.org
We propose a scheme for high-precision two-and three-dimensional atom localization in a
coherently driven closed-loop five-level M-type atomic system by using a density matrix …

Highly sensitive atomic based MW interferometry

D Shylla, EO Nyakang'o, K Pandey - Scientific reports, 2018 - nature.com
We theoretically study a scheme to develop an atomic based micro-wave (MW)
interferometry using the Rydberg states in Rb. Unlike the traditional MW interferometry, this …

Microwave assisted efficient non-degenerate four-wave mixing in pulsed regime

NS Mallick, P Seth, S De - Physica Scripta, 2024 - iopscience.iop.org
We theoretically investigate a N-type 87 Rb atomic system for efficient generation and
control of a non-degenerate four wave mixing (FWM) signal in pulsed regime. The …

Measuring orbital angular momentum of a vortex beam with atom-based structured light

NS Mallick - Journal of the Optical Society of America B, 2025 - opg.optica.org
This study presents an innovative scheme for detecting the orbital angular momentum
(OAM) of vortex beams within an atomic ensemble. Leveraging a homogeneously …

One-and two-dimensional electromagnetically induced gratings in a microwave-driven M-type atomic system

A Pal, ZI Dar, P Kaur - JOSA B, 2024 - opg.optica.org
In this paper, we theoretically investigate a scheme for both 1D and 2D electromagnetically
induced gratings (EIGs) in M-type atomic systems in which two ground states are coupled by …

Shaped Microwave Field in a Three-Level Closed Loop Dense Atomic System

N Boutabba, H Ali - Molecules, 2023 - mdpi.com
In this work, we investigate the atomic properties of a three-level system under the effect of a
shaped microwave field. The system is simultaneously driven by a powerful laser pulse and …

Generation, control, storage and retrieval of complicated shaped four-wave mixing signal

NS Mallick, TN Dey - Journal of Physics B: Atomic, Molecular and …, 2020 - iopscience.iop.org
We present an efficient scheme for the generation and control of a non-degenerate four-
wave mixing (FWM) signal in an N-type inhomogeneously broadened 87 Rb atomic system …