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International team to demonstrate first heralded single-photon generation from a silicon chip

An international consortium of researchers has overcome an important barrier to the generation of single photons using a tiny, chip-scale device constructed from the most widely used material underpinning ...

Physics / General Physics

created May 01, 2012 | popularity 4.8 / 5 (13) | comments 1 | with audio podcast

Researchers discover new quantum encryption method to foil hackers

A research team led by University of Toronto Professor Hoi-Kwong Lo has found a new quantum encryption method to foil even the most sophisticated hackers. The discovery is outlined in the latest issue of Physical Review Le ...

Physics / Quantum Physics

created Apr 02, 2012 | popularity 4.8 / 5 (10) | comments 0 | with audio podcast

Quantum strategy offers game-winning advantages, even without entanglement

(PhysOrg.com) -- Quantum correlations have well-known advantages in areas such as communication, computing, and cryptography, and recently physicists have discovered that they may help players competing in ...

Physics / Quantum Physics

created Mar 13, 2012 | popularity 4.6 / 5 (11) | comments 1 | with audio podcast feature

Quantum physics mimics spooky action into the past

Physicists of the group of Prof. Anton Zeilinger at the Institute for Quantum Optics and Quantum Information (IQOQI), the University of Vienna, and the Vienna Center for Quantum Science and Technology (VCQ) ...

Physics / Quantum Physics

created Apr 23, 2012 | popularity 4.6 / 5 (28) | comments 29 | with audio podcast

Ultracold matter technology licensed to Boulder’s ColdQuanta

ColdQuanta Inc. of Boulder and the University of Colorado have finalized an agreement allowing ColdQuanta to commercialize cutting-edge physics research developed by CU-Boulder and SRI International. The licensed ...

Physics / General Physics

created Mar 19, 2012 | popularity not rated yet | comments 0

The world’s fastest Y-00 stream cipher transmission at 40 Gbit/sec over 120 km

Fumio Futami at Tamagawa University, Quantum ICT Research Institute, announced the world first transmission of the stream cipher by Yuen 2000 protocol (Y-00) at the bit rate of 40 Gbit/sec over 120 km.

Physics / Optics & Photonics

created Mar 06, 2012 | popularity 5 / 5 (3) | comments 0

Making quantum cryptography truly secure

Quantum key distribution (QKD) is an advanced tool for secure computer-based interactions, providing confidential communication between two remote parties by enabling them to construct a shared secret key ...

Physics / Quantum Physics

created Jun 14, 2011 | popularity 5 / 5 (1) | comments 1 | with audio podcast

Detector blinding attacks on quantum cryptography defeated

(PhysOrg.com) -- The Cambridge Research Laboratory of Toshiba Research Europe announced today that it has discovered a simple method to prevent detector blinding attacks on quantum cryptography.

Physics / Optics & Photonics

created Dec 01, 2010 | popularity not rated yet | comments 0 | with audio podcast

Vulnerability in commercial quantum cryptography

The Norwegian University of Science and Technology (NTNU) and the University of Erlangen-Nurnberg together with the Max Planck Institute for the Science of Light in Erlangen have recently developed and tested ...

Physics / Optics & Photonics

created Aug 29, 2010 | popularity 4.3 / 5 (9) | comments 1 | with audio podcast

Scientists provide a new angle on quantum cryptography

An ultra-secure form of coded communication could be given a boost, thanks to scientists from the Universities of Glasgow, Strathclyde and Rochester.

Physics / Quantum Physics

created Aug 06, 2010 | popularity 4 / 5 (11) | comments 5 | with audio podcast

Could some entangled states be useless for quantum cryptography?

(PhysOrg.com) -- One of the widely accepted properties of quantum entanglement is secrecy. Since scientists and researchers began working with quantum key distribution, entanglement has been considered an essential part of ...

Physics / Quantum Physics

created Jul 05, 2010 | popularity 4.1 / 5 (12) | comments 8 | with audio podcast feature

Quantum cryptography protocol doesn’t require shared reference frames (Update)

(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 ...

Physics / Quantum Physics

created Mar 09, 2010 | popularity 4.6 / 5 (9) | comments 7 | with audio podcast weblog

Field experiment on a robust hierarchical metropolitan quantum cryptography network

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 ...

Physics / Quantum Physics

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

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

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.

Physics / Quantum Physics

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

Making quantum cryptography practical

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 ...

Physics / Optics & Photonics

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