Quantum photonics research could change the way we communicate, compute, and measure phenomena on the smallest scales possible. To probe these processes and design new technology that operates with single-photon and single-electron ...
Quantum Physics
Sep 10, 2014
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The largest information technology agreement ever signed by Los Alamos National Laboratory brings the potential for truly secure data encryption to the marketplace after nearly 20 years of development at the nation's premier ...
Quantum Physics
Sep 3, 2014
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(Phys.org) —Cryptography – the art and science of providing secure communications – typically employs three methods to authenticate users and prevent data theft: secret key (symmetric) cryptography, which uses a single ...
(Phys.org) —Cryptography – the practice and study of techniques for secure communication in the presence of third parties, referred to as adversaries – has a long and varied history. In ancient Greece, for example, ...
Toshiba Research Europe, BT, ADVA Optical Networking and the National Physical Laboratory (NPL), the UK's National Measurement Institute, today announced the first successful trial of Quantum Key Distribution (QKD) technology ...
Quantum Physics
Apr 24, 2014
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In the world of quantum science, Alice and Bob have been talking to one another for years. Charlie joined the conversation a few years ago, but now by enforcing the space-like separation of the three parties, scientists have ...
Quantum Physics
Mar 24, 2014
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The way we secure digital transactions could soon change. An international team has demonstrated a form of quantum cryptography that can protect people doing business with others they may not know or trust – a situation ...
Quantum Physics
Mar 12, 2014
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In this month's issue of Physics World, Jon Cartwright explains how the revelation that the US National Security Agency (NSA) is developing quantum computers has renewed interest and sparked debate on just how far ahead they ...
Quantum Physics
Jan 31, 2014
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University of Calgary scientists have overcome an 'Achilles' heel' of quantum-based secure communication systems, using a new approach that works in the real world to safeguard secrets.
Quantum Physics
Sep 4, 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 ...
