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Achieving quantum-based secure communication
Friday, 06 September 2013 14:27

University of Calgary scientists say they have overcome the “Achilles’ heel” of quantum-based secure communication systems, using a new approach that safeguards secrets.

The team’s research — published in the journal Physical Review Letters back-to-back with similar work by a group from Hefei, China — also removes a big obstacle to realizing future applications of quantum communication, including a fully functional quantum network.

“I hope that our new quantum key distribution (QKD) system shows to people who take security seriously that QKD has many advantages and is a viable approach to safeguarding secret information,” says Wolfgang Tittel, professor of physics and astronomy and the Alberta Innovates Technology Futures Strategic Research Chair in Quantum Secured Communication.

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