Technology news

Photon, an elementary particle of light, can teleportation over a straight-line distance of 6Km

In a first, scientists have successfully teleported a photon – particle of light – over a distance of six kilometres

Through a collaboration between the University of Calgary, The City of Calgary and researchers in the United States, a group of physicists led by Wolfgang Tittel, professor in the Department of Physics and Astronomy at the University of Calgary have successfully demonstrated teleportation of a photon (an elementary particle of light) over a straight-line distance of six kilometres using The City of Calgary's fibre optic cable infrastructure. The project began with an Urban Alliance seed grant in 2014.

A advance that may enable secure communication without having to worry about eavesdropping.
The experiment is based on the entanglement property of quantum mechanics, also known as “spooky action at a distance” – a property so mysterious that not even German physicist Albert Einstein could come to terms with it.

The research could not be possible without access to the proper technology. One of the critical pieces of infrastructure that support quantum networking is accessible dark fibre. Dark fibre, so named because of its composition — a single optical cable with no electronics or network equipment on the alignment — doesn’t interfere with quantum technology.
The City of Calgary is building and provisioning dark fibre to enable next-generation municipal services today and for the future.
This demonstration is arguably one of the most striking manifestations of a puzzling prediction of quantum mechanics, but it also opens the path to building a future quantum internet, the long-term goal of the Tittel group.
Source: sciencebulletin

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