Search results for quantum cryptography:
Quantum communication through synergy
Jan 19, 2009 |
4.4 / 5 (11) |
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(PhysOrg.com) -- When most people think of quantum communication, they think in terms of private communication channels - the ability to send messages without a third-party deciphering them. Indeed, quantum cryptography represents ...
Researchers unite to distribute quantum keys
Jul 02, 2009 |
4.5 / 5 (2) |
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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 ...
Siemens builds a lock made of light: Data transfer using quantum cryptography
Aug 01, 2008 |
4.5 / 5 (14) |
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(PhysOrg.com) -- Electronic communication is becoming more secure all over the world. Siemens IT Solutions and Services, Austrian Research Centers (ARC) and Graz University of Technology have joined forces ...
Making quantum cryptography practical
Apr 30, 2009 |
4.3 / 5 (3) |
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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 ...
Austrian breakthrough in quantum cryptography: Record in the transmission of entangled photon pairs (Update)
May 03, 2009 |
3.7 / 5 (11) |
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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.
Scientists demonstrate all-fiber quantum logic
May 28, 2009 |
4.3 / 5 (12) |
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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 cryptography: No Signaling and quantum key distribution
Jul 05, 2005 |
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A new research article outlines another aspect of Quantum Cryptography In "No Signaling and quantum key distribution", a new paper published in Physical Review Letters 95 (010503 – 2005), Barrett, Hardy and Kent give the firs ...
Light touch: Controlling the behavior of quantum dots
Aug 19, 2008 |
4.6 / 5 (17) |
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Researchers from the National Institute of Standards and Technology and the Joint Quantum Institute (JQI), a collaborative center of the University of Maryland and NIST, have reported a new way to fine-tune ...
Field experiment on a robust hierarchical metropolitan quantum cryptography network
Oct 16, 2009 |
5 / 5 (1) |
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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 ...
An oblivious transfer protocol for quantum cryptography
Jul 01, 2008 |
4.4 / 5 (22) |
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“It's hard to beat the noise that you have with quantum information,” Barbara Terhal tells PhysOrg.com. “So our security protocol relies on the fact that storing quantum bits noiselessly is hard to do with current technology.”
The Death of Entanglement: Life Without Half-Life
Feb 03, 2009 |
4.3 / 5 (17) |
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(PhysOrg.com) -- Quantum entanglement, a type of correlation peculiar to quantum objects, has been found to disregard completely the "half-life" rule that is obeyed by all natural processes, such a radioactive decay.
Vegas 'Quantum Spookshow' Demos On-the-Fly Encryption of Streaming Video
Aug 06, 2008 |
4.3 / 5 (8) |
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Las Vegas shows often are on the cutting edge. Following this tradition, researchers from the National Institute of Standards and Technology (NIST) and their colleagues at the National University of Singapore (NUS) have landed ...
Dutch researchers crack Internet security of the future
Technology / Computer Sciences
Oct 31, 2008 |
4.7 / 5 (23) |
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Researchers at Eindhoven University of Technology (TU/e) in The Netherlands have managed to crack the so-called McEliece encryption system. This system is a candidate for the security of Internet traffic in the age of the ...
Two for One: New Design Enables More Cost-Effective Quantum Key Distribution
May 29, 2008 |
4.7 / 5 (9) |
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Researchers at the National Institute of Standards and Technology have demonstrated a simpler and potentially lower-cost method for distributing strings of digits, or “keys,” for use in quantum cryptography, ...
Beating the codebreakers with quantum cryptography
Apr 28, 2008 |
4.4 / 5 (22) |
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Quantum cryptography may be essentially solved, but getting the funky physics to work on disciplined computer networks is a whole new headache.
