Telecom-heralded entanglement between multimode solid-state quantum memories

D Lago-Rivera, S Grandi, JV Rakonjac, A Seri… - Nature, 2021 - nature.com
Future quantum networks will enable the distribution of entanglement between distant
locations and allow applications in quantum communication, quantum sensing and …

Twin-field quantum key distribution without optical frequency dissemination

L Zhou, J Lin, Y **g, Z Yuan - nature communications, 2023 - nature.com
Twin-field (TF) quantum key distribution (QKD) has rapidly risen as the most viable solution
to long-distance secure fibre communication thanks to its fundamentally repeater-like rate …

Single-photon nonlocality in quantum networks

P Abiuso, T Kriváchy, EC Boghiu, MO Renou… - Physical Review …, 2022 - APS
A single-photon maximally entangled state is obtained when a photon im**es on a
balanced beamsplitter. Its nonlocal properties have been intensively debated in the …

Quantum channel correction outperforming direct transmission

S Slussarenko, MM Weston, LK Shalm… - Nature …, 2022 - nature.com
Long-distance optical quantum channels are necessarily lossy, leading to errors in
transmitted quantum information, entanglement degradation and, ultimately, poor protocol …

Can single photon excitation of two spatially separated modes lead to a violation of Bell inequality via weak-field homodyne measurements?

T Das, M Karczewski, A Mandarino… - New Journal of …, 2021 - iopscience.iop.org
We reconsider the all-optical weak homodyne-measurement based experimental schemes
aimed at revealing Bell nonclassicality ('nonlocality') of a single photon. We focus on the …

Quantum illumination using polarization-path entangled single photons for low reflectivity object detection in a noisy background

KM Shafi, A Padhye, CM Chandrashekar - Optics Express, 2023 - opg.optica.org
Detecting object with low reflectivity embedded within a noisy background is a challenging
task. Quantum correlations between pairs of quantum states of light, though are highly …

Cavity-enhanced and temporally multiplexed atom-photon entanglement interface

H Liu, M Wang, H Jiao, J Lu, W Fan, S Li, H Wang - Optics Express, 2023 - opg.optica.org
Practical realization of quantum repeaters requires quantum memories with high retrieval
efficiency, multi-mode storage capacities, and long lifetimes. Here, we report a high-retrieval …

Optimal interferometry for bell nonclassicality induced by a vacuum–one-photon qubit

T Das, M Karczewski, A Mandarino, M Markiewicz… - Physical Review …, 2022 - APS
Bell nonclassicality of a single-photon superposition in two modes, often referred to as
“nonlocality of a single photon,” is one of the most striking nonclassical phenomena …

Teleportation of a genuine single-rail vacuum-one-photon qubit generated via a quantum dot source

B Polacchi, F Hoch, G Rodari, S Savo, G Carvacho… - npj …, 2024 - nature.com
Quantum state teleportation represents a pillar of quantum information and a milestone on
the roadmap towards quantum networks with a large number of nodes. Successful photonic …