Advances in artificial intelligence and machine learning for quantum communication applications

M Mafu - IET Quantum Communication, 2024 - Wiley Online Library
Artificial intelligence (AI) and classical machine learning (ML) techniques have
revolutionised numerous fields, including quantum communication. Quantum …

Cold-atom temporally multiplexed quantum memory with cavity-enhanced noise suppression

L Heller, P Farrera, G Heinze, H de Riedmatten - Physical Review Letters, 2020 - APS
Future quantum repeater architectures, capable of efficiently distributing information
encoded in quantum states of light over large distances, will benefit from multiplexed …

Sub-megahertz linewidth single photon source

M Rambach, A Nikolova, TJ Weinhold, AG White - APL Photonics, 2016 - pubs.aip.org
Quantum technologies are primed to revolutionise information processing, with large
companies already investing in basic quantum computing devices. While these potentially …

Broadband quantum memory in atomic ensembles

K Shinbrough, DR Pearson Jr, B Fang… - Advances in Atomic …, 2023 - Elsevier
Broadband quantum memory is critical to enabling the operation of emerging photonic
quantum technology at high speeds. Here we review a central challenge to achieving …

Discerning quantum memories based on electromagnetically-induced-transparency and Autler-Townes-splitting protocols

A Rastogi, E Saglamyurek, T Hrushevskyi, S Hubele… - Physical Review A, 2019 - APS
Electromagnetically induced transparency (EIT) and Autler-Townes splitting (ATS) are
similar, but different quantum optical phenomena: EIT results from a Fano interference …

Gradient echo memory in an ultra-high optical depth cold atomic ensemble

BM Sparkes, J Bernu, M Hosseini, J Geng… - New Journal of …, 2013 - iopscience.iop.org
Quantum memories are an integral component of quantum repeaters—devices that will
allow the extension of quantum key distribution to communication ranges beyond that …

Cooperative single-photon subradiant states

HH Jen, MS Chang, YC Chen - Physical Review A, 2016 - APS
We propose a set of subradiant states which can be prepared and detected in a one-
dimensional optical lattice. We find that the decay rates are highly dependent on the spatial …

Quantum optics of spin waves through ac stark modulation

M Parniak, M Mazelanik, A Leszczyński, M Lipka… - Physical Review Letters, 2019 - APS
We bring the set of linear quantum operations, important for many fundamental studies in
photonic systems, to the material domain of collective excitations known as spin waves …

Controlled rephasing of single collective spin excitations in a cold atomic quantum memory

B Albrecht, P Farrera, G Heinze, M Cristiani… - Physical Review Letters, 2015 - APS
We demonstrate active control of inhomogeneous dephasing and rephasing for single
collective atomic spin excitations (spin waves) created by spontaneous Raman scattering in …

Interferometry-integrated noise-immune quantum memory

Z Yu, Z Wu, X Li, X Feng, W Huang, K Zhang… - Physical Review Letters, 2023 - APS
A quantum memory with the performances of low noise, high efficiency, and high bandwidth
is of crucial importance for develo** practical quantum information technologies …