News tagged with photon detector
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 ...
Apr 02, 2012 |
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First proof of single atomic layer material with zero electrical resistance
A research group at the NIMS International Center for Materials Nanoarchitectonics (MANA) has proved that the electrical resistance of a metal single atomic layer on a silicon surface becomes zero by superconductivity.
Nov 24, 2011 |
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Elimination of detrimental cross-talks in single-photon detectors pushes quantum optics to new limits
Light and electric current can both be used for computing, albeit with key differences. Whereas conventional computers do logic through the movement of electrons, newer and faster computers called quantum ...
Oct 28, 2011 |
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Key ingredient: Change in material boosts prospects of ultrafast single-photon detector
By swapping one superconducting material for another, researchers at the National Institute of Standards and Technology (NIST) have found a practical way to boost the efficiency of the world's fastest single-photon ...
Jun 30, 2011 |
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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.
Dec 01, 2010 |
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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 ...
Aug 29, 2010 |
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NIST Detector Counts Photons With 99 Percent Efficiency
(PhysOrg.com) -- Scientists at the National Institute of Standards and Technology have developed the world's most efficient single photon detector, which is able to count individual particles of light traveling ...
Apr 14, 2010 |
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Filming photons, one million times a second
(PhysOrg.com) -- European researchers have created a CMOS (semiconductor) camera capable of filming individual photons one million times a second. The breakthrough will impact on all the most advanced areas ...
Oct 05, 2009 |
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Physicists Explain How Human Eyes Can Detect Quantum Effects
(PhysOrg.com) -- By greatly amplifying one photon from an entangled photon pair, physicists have theoretically shown that human eyes can be used as detectors to observe quantum effects. Usually, detecting ...
Sep 29, 2009 |
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Up-scale: Frequency converter enables ultra-high sensitivity infrared spectrometry
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, ...
Aug 26, 2009 |
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