News tagged with quantum cryptographic


World first for sending data using quantum cryptography

World first for sending data using quantum cryptography

Physics / General Physics

created Oct 08, 2008 | popularity 4.4 / 5 (64) | comments 6

(PhysOrg.com) -- For the first time the transmission of data secured by quantum cryptography is demonstrated within a commercial telecommunications network. 41 partners from 12 European countries, including ...





Search results for quantum cryptographic


Fighting tomorrow's hackers

Technology / Computer Sciences

created Feb 05, 2009 | popularity 4 / 5 (1) | comments 0

One of the themes of Dan Brown's The Da Vinci Code is the need to keep vital and sensitive information secure. Today, we take it for granted that most of our information is safe because it's encrypted. Every time we use a ...


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.”


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 telecloning: Captain Kirk's clone and the eavesdropper

Physics /

created Feb 16, 2006 | popularity 4.4 / 5 (190) | comments 0

Imagine Captain Kirk being beamed back to the Starship Enterprise and two versions of the Star Trek hero arriving in the spacecraft's transporter room. It happened 40 years ago in an episode of the TV science fiction classic, ...


Physicists perform the first ever quantum calculation

Physics / General Physics

created Dec 11, 2007 | popularity 4.4 / 5 (78) | comments 7

University of Queensland researchers are part of an international team to have made the first ever execution of a quantum calculation, a major step towards building the first quantum computers.


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 ...


First quantum cryptographic data network demonstrated

Physics / General Physics

created Aug 28, 2006 | popularity 4.6 / 5 (38) | comments 0

A joint collaboration between Northwestern University and BBN Technologies of Cambridge, Mass., has led to the first demonstration of a truly quantum cryptographic data network. By integrating quantum noise protected data ...


Podcast: Reproducing a Black Hole in the Laboratory, and other Quantum Theories

Physics / Quantum Physics

created Aug 27, 2009 | popularity 5 / 5 (2) | comments 0

In a recent study, Professor of Physics and Astronomy Miles Blencowe and his colleagues proposed a new way of creating a reproduction black hole in the laboratory.


Physicists find way to control individual bits in quantum computers

Physicists find way to control individual bits in quantum computers

Physics / Quantum Physics

created Jul 07, 2009 | popularity 4.7 / 5 (12) | comments 3

Physicists at the National Institute of Standards and Technology have overcome a hurdle in quantum computer development, having devised a viable way to manipulate a single "bit" in a quantum processor without ...


A hidden twist in the black hole information paradox

Physics / General Physics

created Feb 27, 2007 | popularity 4.4 / 5 (62) | comments 0

Professor Sam Braunstein, of the University of York's Department of Computer Science, and Dr Arun Pati, of the Institute of Physics, Sainik School, Bhubaneswar, India, have established that quantum information cannot be 'hidden' ...



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