High efficiency coherent optical memory with warm rubidium vapour

M Hosseini, BM Sparkes, G Campbell, PK Lam… - Nature …, 2011 - nature.com
By harnessing aspects of quantum mechanics, communication and information processing
could be radically transformed. Promising forms of quantum information technology include …

Quantum storage and manipulation of heralded single photons in atomic memories based on electromagnetically induced transparency

PJ Tsai, YF Hsiao, YC Chen - Physical Review Research, 2020 - APS
We demonstrate the storage and manipulation of heralded single photons generated from a
cavity-enhanced spontaneous parametric down-conversion (SPDC) source in the atomic …

Narrowing of electromagnetically induced transparency by using structured coupling light in 85Rb atomic vapor medium

VS Chauhan, R Kumar, D Manchaiah, P Kumar… - Laser …, 2020 - iopscience.iop.org
In this manuscript, we observed narrowing of electromagnetically induced transparency
(EIT) spectral width by using superimposed Laguerre–Gaussian (LG) beams for coupling …

A theoretical analysis on quantum memory parameters in ultracold Rb and Cs alkali species using EIT protocol in the presence of structured light

D Manchaiah, R Kumar, RK Easwaran - Quantum Information Processing, 2022 - Springer
In this paper, we present a theoretical analysis on the study of quantum memory (QM)
parameters in a three-level Λ-configuration in the presence of Laguerre–Gaussian (LG) …

Observation of ultra-narrow electromagnetically induced transparency and slow light using purely electronic spins in a hot atomic vapor

F Goldfarb, J Ghosh, M David, J Ruggiero… - Europhysics …, 2008 - iopscience.iop.org
Electromagnetically induced transparency (EIT) is observed in gaseous 4 He at room
temperature. Ultra-narrow (less than 10 kHz) EIT windows are obtained for the first time for …

[HTML][HTML] Ultracold Rydberg atoms for efficient storage of terahertz frequency signals using electromagnetically induced transparency

S Bhushan, VS Chauhan, RK Easwaran - Physics Letters A, 2018 - Elsevier
Quantum communication with terahertz (THz) frequency signals has many advantages like
reduced attenuation and scintillation effects in certain atmospheric conditions along with …

All-electromagnetic control of broadband quantum excitations using gradient photon echoes

WT Liao, CH Keitel, A Pálffy - Physical review letters, 2014 - APS
A broadband photon echo effect in a three level Λ-type system interacting with two laser
fields is investigated theoretically. Inspired by the emerging field of nuclear quantum optics …

Non‐electromagnetically induced transparency mechanisms for slow light

GS Agarwal, TN Dey - Laser & Photonics Reviews, 2009 - Wiley Online Library
We show how the pump‐induced sharp holes in homogeneously or inhomogeneously
broadened absorption line shapes can be used for the production of ultra‐slow light. We …

Theoretical design for generation of slow light in a two-dimensional magneto optical trap using electromagnetically induced transparency

S Bhushan, RK Easwaran - Applied Optics, 2017 - opg.optica.org
In this paper, we propose a novel technique for slow light experiments using
electromagnetically induced transparency using a two-dimensional magneto optical trap (2D …

Slow and fast light in semiconductor waveguides

J Mørk, P Lunnemann, W Xue, Y Chen… - semiconductor …, 2010 - iopscience.iop.org
Investigations of slow and fast light effects in semiconductor waveguides entail interesting
physics and point to a number of promising applications. In this review we give an overview …