Entanglement Distribution over a Polarization-Stabilized Aerial Fiber
Yicheng Shi, Jing Su, Anouar Rahmouni, Pranish Shrestha, Mheni Merzouki, Gabriel Bello Portmann, Anne Lazenby, Mael Flament, Mehdi Namazi, Abdella Battou, Oliver Slattery, Thomas Gerrits
TL;DR
This paper demonstrates the successful distribution of polarization-entangled photons over a 62-km aerial fiber with polarization stabilization, achieving high photon pair rates and violating Bell's inequality.
Contribution
It presents the first experimental implementation of entanglement distribution over a long aerial fiber with polarization stabilization.
Findings
Photon pair rate of ~1500 per second
CHSH inequality violation with S=2.34
Successful polarization stabilization over aerial fiber
Abstract
We experimentally demonstrate the distribution of polarization-entangled photons across a 62-km, partially-aerial fiber. With polarization stabilization applied to the fiber link, we achieve a photon pair rate of approximately 1500 per second and observe a CHSH inequality violation with S=2.34.
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Taxonomy
TopicsQuantum Information and Cryptography · Orbital Angular Momentum in Optics · Optical Network Technologies