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Siemens builds a lock made of light: Data transfer using quantum cryptography

Siemens builds a lock made of light: Data transfer using quantum cryptography

Physics / General Physics

created Aug 01, 2008 | popularity 4.5 / 5 (14) | comments 0

(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 ...


Record in the transmission of entangled photon pairs

Austrian breakthrough in quantum cryptography: Record in the transmission of entangled photon pairs (Update)

Physics / Quantum Physics

created May 03, 2009 | popularity 3.7 / 5 (11) | comments 7

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.


Field experiment on a robust hierarchical metropolitan quantum cryptography network

Physics / Quantum Physics

created Oct 16, 2009 | popularity 5 / 5 (1) | comments 0

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 ...


Making quantum cryptography practical

Physics / Optics & Photonics

created Apr 30, 2009 | popularity 4.3 / 5 (3) | comments 1

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 ...


Researchers unite to distribute quantum keys

Physics / Quantum Physics

created Jul 02, 2009 | popularity 4.5 / 5 (2) | comments 2

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 cryptography: No Signaling and quantum key distribution

Nanotechnology /

created Jul 05, 2005 | popularity not rated yet | comments 0

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 ...


Beating the codebreakers with quantum cryptography

Beating the codebreakers with quantum cryptography

Physics / General Physics

created Apr 28, 2008 | popularity 4.4 / 5 (22) | comments 1

Quantum cryptography may be essentially solved, but getting the funky physics to work on disciplined computer networks is a whole new headache.


Vegas 'Quantum Spookshow' Demos On-the-Fly Encryption of Streaming Video

Physics / General Physics

created Aug 06, 2008 | popularity 4.3 / 5 (8) | comments 0

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 ...


An oblivious transfer protocol for quantum cryptography

Physics / General Physics

created Jul 01, 2008 | popularity 4.4 / 5 (22) | comments 2

“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.”


Light touch: Controlling the behavior of quantum dots

Light touch: Controlling the behavior of quantum dots

Nanotechnology / Nanophysics

created Aug 19, 2008 | popularity 4.6 / 5 (17) | comments 0

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 ...


Cryptic messages boost data security

Cryptic messages boost data security

Technology / Engineering

created Nov 29, 2007 | popularity 3.8 / 5 (5) | comments 0

The Swiss national elections in October 2007 provided the opportunity to witness quantum cryptography in ‘real-life’ action for the first time. Geneva was first in line to test the unbreakable data code developed ...


Mitsubishi, NEC, Tokyo University Realize Successful Interconnection of Quantum Encryption Networks

Technology / Engineering

created May 12, 2006 | popularity 5 / 5 (5) | comments 0

Mitsubishi Electric Corporation, NEC Corp., and Institute of Industrial Science, University of Tokyo have successfully interconnected quantum cryptography systems developed by Mitsubishi Electric and NEC, the first time such ...


Two for One: NIST Design Enables More Cost-Effective Quantum Key Distribution

Two for One: New Design Enables More Cost-Effective Quantum Key Distribution

Physics / General Physics

created May 29, 2008 | popularity 4.7 / 5 (9) | comments 0

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, ...


The Death of Entanglement: Life Without Half-Life

Physics / General Physics

created Feb 03, 2009 | popularity 4.3 / 5 (17) | comments 23

(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.


Dutch researchers crack Internet security of the future

Technology / Computer Sciences

created Oct 31, 2008 | popularity 4.7 / 5 (23) | comments 0

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 ...