(PhysOrg.com) -- University of Queensland physicists have demonstrated a novel solution to the problem of information degradation when amplifying signals at the quantum information level.
Optics & Photonics
May 10, 2010
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(PhysOrg.com) -- Quantum cryptography, which enables two parties to communicate with each other with unconditional security, has begun to be implemented by some governments, banks, and other corporations with high-security ...
(PhysOrg.com) -- European experts in nanotechnology, optoelectronics and quantum physics have advanced the generation, detection and manipulation of single photons in semiconductors. Their discoveries bring practical single-photon ...
Quantum Physics
Feb 22, 2010
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In an important first for a promising new technology, scientists have used a quantum computer to calculate the precise energy of molecular hydrogen. This groundbreaking approach to molecular simulations could have profound ...
Quantum Physics
Jan 10, 2010
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Key Laboratory of Quantum Information (CAS), University of Science and Technology of China has recently demonstrated a metropolitan Quantum Cryptography Network (QCN) for Government Administration in Wuhu, China. The project ...
Quantum Physics
Oct 16, 2009
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In what may prove to be a major development for scientists in fields ranging from forensics to quantum communications, researchers at the National Institute of Standards and Technology have developed a new, highly sensitive, ...
General Physics
Aug 26, 2009
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Researchers from across Europe have united to build the largest quantum key distribution network ever built. The efforts of 41 research and industrial organisations were realised as secure, quantum encrypted information ...
Quantum Physics
Jul 2, 2009
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A team of physicists and engineers have demonstrated all-fibre quantum logic, where single photons are generated and used to perform the controlled-NOT quantum logic gate in optical fibres with high fidelity.
Quantum Physics
May 28, 2009
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Austrian physicists say a breakthrough in next-generation quantum cryptography could allow encrypted messages to be bounced off satellites, the British journal Nature reported Sunday.
Quantum Physics
May 3, 2009
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Quantum cryptography, a completely secure means of communication, is much closer to being used practically as researchers from Toshiba and Cambridge University's Cavendish Laboratory have now developed high speed detectors ...
Optics & Photonics
Apr 30, 2009
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