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Nature Physics 3, 687 - 688 (2007)
doi:10.1038/nphys737

Subject Categories: Information theory and computation | Techniques and instrumentation | Quantum physics

Quantum communication: Coherence by measurement

Gregor Weihs1

  1. Gregor Weihs is at the Institute for Quantum Computing and the Department of Physics and Astronomy, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada.
    e-mail: weihs@iqc.ca


A global infrastructure for exchanging quantum information requires coherent communication over long distances. The demonstration of interference between photons from two unsynchronized sources could bring us a step closer to that goal.

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