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The use of satellites to distribute entangled photon pairs (and single photons) provides a unique solution for long-distance quantum communication networks. This overcomes the principle limitations of Earth-bound technology, i.e., the range of the order of 100 km afforded by both optical fiber and by terrestrial free-space links.
Selected Topics in Quantum Electronics, IEEE Journal of (Volume:9 , Issue: 6 )
Date of Publication: Nov.-Dec. 2003