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research article

Entanglement swapping between independent and asynchronous integrated photon-pair sources

Samara, Farid
•
Maring, Nicolas
•
Martin, Anthony
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October 1, 2021
Quantum Science And Technology

Integrated photonics represents a technology that could greatly improve quantum communication networks in terms of cost, size, scaling, and robustness. A key benchmark for this is to demonstrate their performance in complex quantum networking protocols, such as entanglement swapping between truly independent photon-pair sources. Here, using two independent, asynchronously-pumped, integrated Si3N4 microring resonator photon-pair sources, operating in the continuous-wave regime with time-resolved detections, we obtained state of the art Hong-Ou-Mandel (93.2 +/- 1.6%) and entanglement swapping (91.2 +/- 3.4%) visibilities, while maintaining high rates. The time-resolved detection facilitates high spectral purities without the need for spectral filtering. Our results demonstrate the potential of such telecom-band sources for practical, real-world quantum communication.

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Type
research article
DOI
10.1088/2058-9565/abf599
Web of Science ID

WOS:000700893300001

Author(s)
Samara, Farid
•
Maring, Nicolas
•
Martin, Anthony
•
Raja, Arslan S.  
•
Kippenberg, Tobias J.  
•
Zbinden, Hugo
•
Thew, Rob
Date Issued

2021-10-01

Publisher

IOP PUBLISHING LTD

Published in
Quantum Science And Technology
Volume

6

Issue

4

Article Number

045024

Subjects

Quantum Science & Technology

•

Physics, Multidisciplinary

•

Physics

•

entanglement swapping

•

microring resonator

•

mrr

•

photon-pair source

•

entanglement distribution

•

integrated photonics

•

sin

•

quantum repeaters

•

atomic ensembles

•

state

•

generation

•

efficiency

•

pure

Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LPQM  
Available on Infoscience
October 9, 2021
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/182031
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