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Spooky action at a global distance: analysis of space-based entanglement distribution for the quantum internet

Physics

Spooky action at a global distance: analysis of space-based entanglement distribution for the quantum internet

S. Khatri, A. J. Brady, et al.

Explore the cutting-edge advances in quantum communication with groundbreaking research by Sumeet Khatri, Anthony J. Brady, Renée A. Desporte, Manon P. Bart, and Jonathan P. Dowling. This study unveils a global quantum internet powered by satellites, ensuring continuous entanglement distribution to ground stations. Discover the balance between satellite numbers and entanglement rates and how this transforms the future of quantum technology.

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Playback language: English
Abstract
This paper proposes a global-scale quantum internet using a constellation of orbiting satellites for continuous, on-demand entanglement distribution to ground stations. The authors develop a technique to determine optimal satellite configurations balancing the number of satellites and entanglement-distribution rates. They analyze satellite-to-ground loss and achievable rates for various configurations, comparing them to ground-based quantum repeater schemes. The study provides theoretical tools and experimental guidance for realizing a satellite-based global quantum internet.
Publisher
npj Quantum Information
Published On
Jan 04, 2021
Authors
Sumeet Khatri, Anthony J. Brady, Renée A. Desporte, Manon P. Bart, Jonathan P. Dowling
Tags
quantum internet
satellites
entanglement distribution
ground stations
quantum repeater
global communication
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