Two researchers at UCL Computer Science and the University of Gdansk present a new method for determining the amount of entanglement – a quantum phenomenon connecting two remote partners, and crucial for quantum technology ...
Quantum Physics
Sep 15, 2013
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(Phys.org) —A team of physicists at Bristol University in the U.K. has proposed a possible way to allow for quantum cryptography between a large station and a small hand held device. They describe such a technique in a ...
(Phys.org) —The photodetectors in Alan Migdall's lab often see no light at all, and that's a good thing since he and his JQI colleagues perform physics experiments that require very little light, the better to study subtle ...
Optics & Photonics
Aug 15, 2013
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Researchers at the Vienna University of Technology quantum mechanically couple atoms to glass fiber cables. Now, they have shown that their technique enables storage of quantum information over a sufficiently long period ...
Quantum Physics
Jun 12, 2013
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Homomorphic encryption is one of the most exciting new research topics in cryptography, which promises to make cloud computing perfectly secure. With it, a Web user would send encrypted data to a server in the cloud, which ...
Computer Sciences
Jun 10, 2013
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The National Security Agency (NSA) is looking for a few good cybersnoops. This week's furor over top-secret collection of phone records and online data isn't deterring the US government's electronic intelligence-gathering ...
Internet
Jun 7, 2013
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"We considered such an app necessary. But we all were surprised by its actual success", explains Michael Backes, professor for Information Security and Cryptography at Saarland University and scientific director at the Center ...
Software
Apr 30, 2013
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(Phys.org) —In a development that could make the advanced form of secure communications known as quantum cryptography more practical, University of Michigan researchers have demonstrated a simpler, more efficient single-photon ...
Quantum Physics
Apr 9, 2013
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An international cyber attack campaign against Israeli government websites on Sunday failed to cause serious disruptions despite dire threats from the Anonymous hacker collective, Israeli officials said Sunday.
Internet
Apr 7, 2013
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(Phys.org) —Can worldwide communication ever be fully secure? Quantum physicists believe they can provide secret keys using quantum cryptography via satellite. Unlike communication based on classical bits, quantum cryptography ...
Quantum Physics
Apr 3, 2013
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