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IEEE Spectrum January 2009 Monica Heger |
Cryptographers Take On Quantum Computers Researchers prepare for the day when quantum computers can easily crack today's codes. |
National Defense March 2005 Joe Pappalardo |
Researchers Cast Wary Eye On Atomic-Level Computing Experts point out that quantum computers could execute calculations several millions of times faster than conventional systems, but that the technology still is years away from becoming truly functional. |
IEEE Spectrum April 2008 Saswato R. Das |
Quantum Cryptography Cracked? Swedes find vulnerability in supposedly secure quantum cryptography system. |
Technology Research News April 21, 2004 Eric Smalley |
Optical Quantum Memory Designed Quantum computers that use photons rather than atoms or electrons are appealing because the equipment needed to handle them can be relatively simple. A scheme for trapping photons in fiber-optic loops and replacing the photons that the loops absorb could be the answer. |
Technology Research News September 19, 2005 |
Two Schools of Cryptography Hard numbers vs. uncertainty: Computationally secure methods use cryptographic keys that are answers to difficult-to-solve mathematical problems. Probabilistically secure methods use cryptographic keys chosen at random from a fast source of random signals. |
IEEE Spectrum October 2008 Saswato R. Das |
"Mother of All Quantum Networks" Unveiled in Vienna EU-sponsored quantum-cryptography network unparalleled in size and complexity |
Technology Research News June 15, 2005 |
Quantum Crypto Boosted to 2 GHz Researchers have upped the speed of their quantum key exchange system to 2 gigahertz over several kilometers of optical telecommunications fiber. |
IEEE Spectrum June 2012 Michael Brooks |
Quantum Cash and the End of Counterfeiting Physicists say they can make money that can't be copied -- at least in theory |
CIO April 1, 2002 John Edwards |
Secure Light Streams New technology could eventually lead to the mainstream adoption of quantum cryptography, a secure form of optical communications that's virtually impervious to hacker attacks... |
Technology Research News September 10, 2003 |
Quantum computing has limits Researchers from the University of Arkansas and Texas A&M University have shown that quantum computers, while theoretically useful for very large problems, are likely to always need very large amounts of power. |
Technology Research News April 21, 2004 |
Photons Teleported Six Kilometers Real-life teleportation will never come close to the teleportation of fiction, but instantly sending single quantum particles like photons from one place to another has been proved possible in laboratory experiments and promises to extend the reach of quantum cryptography, which offers potentially perfect security. |
Technology Research News July 27, 2005 Eric Smalley |
Quantum crypto scheme doubly fast Researchers have found a way to double the speed of information transfer over quantum cryptography systems. |
Technology Research News April 6, 2005 |
Trapped Light Pulses Interact Researchers at Harvard University have showed that light pulses can be trapped and held in a rubidium vapor and made to interact with one another. The method could eventually be used in quantum cryptographic and quantum computing schemes. |
National Defense May 2012 Eric Beidel |
Air Force Seeks Impossible-to-Intercept Communications The Air Force has enlisted a group of researchers to create quantum memories based on the interaction between light and matter that would result in a new form of encryption that some experts have called "perfect." |
IEEE Spectrum January 2009 Saswato Das |
Ion Teleportation Scheme Could Scale Up Quantum Computers Scientists have teleported the quantum state of one trapped ion onto another a meter away |
Technology Research News February 25, 2004 Eric Smalley |
Simple optics make quantum relay Quantum cryptography devices and networks, which transport photons whose properties can be used to represent the 1s and 0s of digital information, could also benefit from repeaters. |
Technology Research News July 28, 2004 |
Particle chains make quantum wires The method is a step toward building quantum computers, which have the potential to solve certain types of very large problems. |
Technology Research News August 10, 2005 Eric Smalley |
Pixels speed quantum crypto Crossing quantum physics with computer displays yields a new way of encoding information in photons. Using photons as pixels lets researchers encode more information per photon, promising higher data rates for quantum cryptography. |
Technology Research News March 10, 2004 |
Atom spouts photons on demand California Institute of Technology researchers have fashioned a single atom into a light source that generates single photons on demand. |
Technology Research News March 9, 2005 |
Quantum Crypto Scheme Goes One-Way Quantum cryptography researchers from Toshiba Research have demonstrated a one-way quantum key distribution system that automatically compensates for phase drift. |
Technology Research News April 21, 2004 |
Sturdy Quantum Crypto Proposed Quantum cryptography systems promise potentially perfect security because it is impossible to eavesdrop on bits encoded in single photons without revealing the security breach. |
Technology Research News February 12, 2003 Eric Smalley |
Teleportation goes the distance Teleportation makes it possible to transmit the quantum states, or structural information, of photons from one place to another. And making photons from one location materialize at another without traveling the distance between opens the way for sending messages long distances. |
IEEE Spectrum August 2008 Mark Anderson |
Quantum Weirdness: Two Times Zero Doesn't Always Equal Zero Researchers think they can extract quantum information from two noisy channels that are individually useless |
IEEE Spectrum December 2008 Saswato R. Das |
Physicists Invent a Chip That Stores a Photon's Quantum State A step toward the "quantum repeaters" needed to make long-distance quantum-cryptography networks |
Technology Research News June 2, 2004 Eric Smalley |
Atom-Photon Link Demoed Getting atoms and photons to exchange information is crucial for many quantum computer designs. The first verified atom-photon entanglement shows that it's not so hard to do, as long as you can accept a low success rate. |
Technology Research News January 29, 2003 Eric Smalley |
Faster quantum crypto demoed Working out how to use only standard telecommunications gear to transmit cryptographic keys could dramatically improve quantum cryptography's paltry performance. |
Technology Research News July 14, 2004 Eric Smalley |
Quantum crypto network debuts The network is the first step toward bringing the potentially perfect security of quantum cryptography to the Internet. |
Technology Research News January 28, 2004 |
Technique detects quantum state Researchers from the University of Rome in Italy have pushed theorized "perfect" quantum cryptography schemes forward by demonstrating a method for detecting quantum entanglement among subatomic particles. |
Industrial Physicist Jennifer Ouellette |
Quantum Key Distribution Several companies have focused on bringing one aspect of quantum communications to market, quantum key distribution, used to exchange secret keys that protect data during transmission. |
Technology Research News September 8, 2004 Eric Smalley |
Polymer Serves up Single Photons Researchers have made a room-temperature, single-photon source using polymer molecules that could be used in quantum cryptography devices and eventually for quantum computing |
IEEE Spectrum October 2007 Morgen E. Peck |
Geneva Vote Will Use Quantum Cryptography A system that produces unbreakable encryption based on the quantum properties of light will be used to secure the electronic transmission of votes in a Swiss election next week. |
Chemistry World July 23, 2014 Jonathan Prance |
The quantum age In this entertaining and accessible book, Brian Clegg explains the weirdness of quantum mechanics through the effects it has on the world around us and the technologies we use |
Technology Research News August 25, 2004 Eric Smalley |
Five Photons Linked Researchers have entangled five photons - a key step in quantum computing which would make it possible to check computations for errors and teleport quantum information within and between computers. |
Technology Research News June 1, 2005 Eric Smalley |
Speedy Photon Detector Debuts Researchers have devised a fast, efficient photon detector that senses individual photons. |
Technology Research News January 14, 2004 Eric Smalley |
Quantum dice debut Researchers have overcome a major obstacle to generating random numbers on quantum computers by limiting the possibilities in the otherwise unlimited randomness of a set of quantum particles. |
Technology Research News June 4, 2003 Eric Smalley |
Shock waves tune light Researchers from the Massachusetts Institute of Technology have used a computer simulation to show that sending shock waves through photonic crystals could lead to faster and cheaper telecommunications devices, more efficient solar cells, and advances in quantum computing. |
Technology Research News September 24, 2003 Eric Smalley |
Laser made from single atom The simplest possible laser -- a single atom -- has been on the drawing board for decades. Researchers have finally achieved the extremely precise control needed to make a laser from just one atom. The first demonstration of a single-atom laser showed that it's a different animal -- it produces quantum light. |
JavaWorld January 2001 Todd Sundsted |
Construct secure networked applications with certificates, Part 1 Public-key cryptography's importance to network security must not be overlooked. However, trust issues challenge public-key cryptography's usage in enterprise-scale settings... |
Chemistry World January 16, 2014 Timothy Hele |
Quantum mechanical tunneling in chemical physics There are few texts on quantum tunnelling and its many applications, so it is gratifying to see an attempt to supply a much-needed addition to the field by Nakamura and Mil'nikov. |
Chemistry World January 16, 2012 Kate McAlpine |
Stripped down spectroscopy to probe single molecules Spectroscopy, a key method of identifying atoms and molecules with light, has been taken to its most fundamental level - a single photon absorbed by a single molecule. |
Technology Research News September 10, 2003 |
Light drives electron logic Building a quantum computer is extremely difficult, and working models are at least one to two decades away. Researchers have taken the proposition a step forward by demonstrating a conditional logic gate made from a pair of electrons trapped in a quantum dot. |
Popular Mechanics August 26, 2008 |
Lasers Could Send World's Most Secure Messages Through Space Scientists at an Italian observatory this year succeeded in firing lasers at the mirror-covered Ajisai Japanese satellite, proving that a sequence of photons can travel great distances through space. |
InternetNews April 29, 2005 Michael Singer |
Paul Kocher, President, Cryptography Research The man who designed SSL v3.0 talks about the latest security threats on the horizon and how cryptography can help solve them. |
Technology Research News December 29, 2004 |
Atom Demo Fixes Quantum Errors Researchers have demonstrated a way to correct errors in qubits of beryllium ions held in an electromagnetic trap. |
Technology Research News September 22, 2004 Eric Smalley |
Bank Transfer Demos Quantum Crypto As quantum cryptography nears practical application, researchers are working on the next generation of the technology, which includes the weird quantum phenomenon of entanglement. |
Scientific American August 2007 JR Minkel |
The Gedanken Experimenter In putting teleportation, entanglement and other quantum oddities to the test, physicist Anton Zeilinger hopes to find out just how unreal quantum reality can get. |
IEEE Spectrum January 2010 Erico Guizzo |
Loser: D-Wave Does Not Quantum Compute D-Wave Systems' quantum computers look to be bigger, costlier, and slower than conventional ones |
Popular Mechanics May 2007 Seth Fletcher |
Quantum Computing: 5-Minute Know-It-All The holy grail of computing is still out of reach -- but it's getting closer. |
Scientific American January 2009 Charles Q. Choi |
Quantum Entanglement Benefits Exist After Links Are Broken A way for quantum benefits to survive after entanglement ends |
Technology Research News December 15, 2004 |
Scheme Simplifies Quantum Chips Researchers have brought practical quantum computers a step closer by proposing a type of quantum bit that is relatively easy to build. |