Quantum Coherence Transferred in Free Space - IDEX Health & ScienceIDEX Health & Science


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    Quantum Coherence Transferred in Free Space

    Article obtained from Photonics RSS Feed.

    Researchers at the University of Waterloo report the first successful transfer and recovery of quantum coherence using photons scattered in free space. The work points toward research opportunities and applications in fields ranging from quantum communication to imaging and beyond.

    Quantum coherence, while fundamental to applications of quantum technology, has been difficult to transfer in free space. It has so far been limited to direct line-of-sight channels as quality degrades severely with atmospheric turbulence and scattering.

    “The ability to transfer quantum coherence via scattered photons means that now you can do many things that previously required direct line-of-sight free space channels,” said Shihan…

    Jun, 15 2021 |

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