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TIME AND SPACE
Physicists teleport photon over 15 miles
by Thor Benson
Geneva, Switzerland (UPI) Sep 21, 2014


disclaimer: image is for illustration purposes only

Professor Nicolas Gisin and his team have successfully teleported a photon over 15 miles in its quantum state. The Swiss team of scientists aimed to transport the photon into a crystal without the two touching, and they did just that. The same team were able to accomplish this in 2003, but they were only able to teleport the light a little less than four miles. The reporting of the accomplishment can be found in the latest issue of Nature Photonics.

In May of 2012, a team of scientists was able to teleport a photon between two Canary islands, at a distance of roughly 88 miles. In both situations optical fiber was used to carry the light particle. "The next step is satellite-based quantum teleportation, which should enable quantum communication on a global scale. We have now taken a major step in this direction and will use our know-how in an international cooperation, which involves our colleagues at the Chinese Academy of Sciences. The goal is to launch a 'quantum satellite mission'," physicist Anton Zeilinger said at the time.

Forbes claims a satellite-based quantum teleportation could result in highly advanced quantum internet devices.

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Three's a charm: NIST detectors reveal entangled photon triplets
Boulder CO (SPX) Sep 18, 2014
Researchers at the University of Waterloo in Canada have directly entangled three photons in the most technologically useful state for the first time, thanks in part to superfast, super-efficient single-photon detectors developed by the National Institute of Standards and Technology (NIST). Entanglement is a special feature of the quantum world in which certain properties of individual par ... read more


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