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12 matches found for "quantum repeater"

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Field experiment on a robust hierarchical metropolitan quantum cryptography network

Because of its scientific significance and social impact, the project is reported in Volume 54, Issue 17 (September, 2009) of the Chinese Science Bulletin authored by Fang-xing Xu et al.During...

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Researchers unite to distribute quantum keys

With an average link length of 20 to 30 kilometres, and the longest link being 83 kilometres, the researchers from organisations such as the AIT Austrian Institute of Technology (formerly Austrian Res...

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Physicists Set New Record for Quantum Memory Storage

The new record – 7 milliseconds for rubidium atoms stored in a dipole optical trap – is scheduled to be reported December 7 in the online version of the journal Nature Physics by researchers at the Ge...

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Europe gets together to harness quantum physics

The exciting progress was made in the important field of quantum optics and discussed recently at a high level conference organised by the European Science Foundation in collaboration with the Fonds z...

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Analogue logic for quantum computing

Modern computing is digital, a series of 1s and 0s that, once combined, create powerful information processing systems. The system is so simple – on or off, yes or no – that it almost seems dumb. It i...

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LANL/NIST team sends quantum encryption 'keys' over record distances

As described in the September issue of New Journal of Physics,* the team generated and transmitted secret quantum keys over 184.6 kilometers (km) of fiber-optic cable, the longest distance ever record...

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EU quantum information research could transform the power of computing

Or so believes Daniele Binosi (of the Institute of Quantum Optics and Quantum Information in Innsbruck, Austria, and the European Centre for Theoretical Studies in Nuclear Physics and Related Areas in...

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Researchers create a broadband light amplifier on a chip

A team of researchers working with Alexander Gaeta, Cornell professor of applied and engineering physics, and Michal Lipson, assistant professor of electrical and computer engineering, used the Cornel...

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Science of sniping on eBay, quantum experiment breakthrough, and tunable nanoresonators

Ethical or not, it turns out that sniping is the best way to win an auction. Researchers at Seoul National University have produced a model that mimics bidding behavior on eBay and a Korean auction si...

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Physicists demonstrate storage and retrieval of single photons between remote memories

Quantum memory A series of publications in the journal Nature highlights the race among competing research groups toward the long-anticipated goal of quantum networking. ...

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Physicists entangle photon and atom in atomic cloud

Quantum communication networks show great promise in becoming a highly secure communications system. By carrying information with photons or atoms, which are entangled so that the beh...

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Physicists transfer information between matter and light; advancing quantum communications

Converting quantum bits A team of physicists at the Georgia Institute of Technology has taken a significant step toward the development of quantum communications systems by s...

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