Similar Articles

Browse Main Topics:

Business
Computers & Electronics
Education & Reference
Entertainment & Leisure
Family & Home
Finance & Investment
Health
Internet
Pets & Animals
Science & Technology
Society, Politics & Culture
Sports & Recreation

Similar Articles

Technology Research News December 3, 2003	Molecule does two-step Duke University researchers have found a way to make a molecule react only when it has been hit by two photons of ultraviolet light, making the molecule a controllable switch. The molecule could eventually be used in optical storage devices and in biochips.
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 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.
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 April 6, 2005	Optics Demo Does Quantum Logic Researchers from the University of Science and Technology of China and the University of Heidelberg in Germany have demonstrated a method of using four photons to form a logic gate that can be used for quantum computing.
Technology Research News December 1, 2004	Demo Advances Quantum Networking Researchers have transferred information stored in the properties of a cloud of rubidium atoms to the properties of a single photon. The ability to transfer information from atoms to photons is needed for quantum computers.
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
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 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.
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."
Technology Research News December 15, 2004	Light Writes Info Into Atoms Researchers have demonstrated that it is possible to transfer information encoded in the properties of photons to atoms.
Technology Research News April 9, 2003 Eric Smalley	Fiber loop makes quantum memory A relatively simple device that sends individual photons cycling through a fiber-optic loop could provide the memory needed to make ultra powerful computers that use the quantum states of light as bits.
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.
IEEE Spectrum August 2007 Saswato R. Das	Scheme for a Single-Photon Transistor Researchers have taken a big step toward building a really fast computer that uses light rather than electricity to perform calculations.
Technology Research News April 6, 2005 Eric Smalley	Scheme Reverses Light Pulses Researchers have developed a method for accurately time-reversing electromagnetic pulses, making it possible to receive a light pulse and return a replica of exactly the same size, shape and wavelength.
Chemistry World December 14, 2011 Kate McAlpine	Artificial intelligence for quantum chemistry Quantum chemical approximations don't always need to start from scratch, says an international team of researchers. Algorithms can now be used to predict the atomisation energy of huge numbers of molecules
Chemistry World January 21, 2014 Rachel Wood	Centrifuge spectroscopy probes extreme rotational states A new spectroscopic technique for studying electronically excited molecules at very high angular momentum has been developed and tested by scientists in Canada.
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 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.
Chemistry World September 24, 2014 Hayley Simon	Water provides new angle on single molecule imaging Small variations in a molecule's conformation can have a large effect on chemical reactivity. Being able to identify these differences is one of the aims of high resolution spectroscopy.
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.
Technology Research News June 1, 2005 Eric Smalley	Speedy Photon Detector Debuts Researchers have devised a fast, efficient photon detector that senses individual photons.
Chemistry World October 3, 2014 Simon Hadlington	Nanoscale microphone based on a single molecule Researchers in the Netherlands have created the world's tiniest microphone, in which the acoustic detector is a single molecule.
Chemistry World November 23, 2006 Simon Hadlington	Unfolding Peptide Watched in Real Time Researchers have observed a peptide molecule changing shape in real time. The ultrafast process was monitored using a technique called transient two-dimensional infrared spectroscopy.
Chemistry World June 5, 2006 Simon Hadlington	The Attraction of Gold for Gold Researchers are unravelling some of the fundamental chemistry surrounding a key but poorly understood aspect of the coordination chemistry of gold -- the weak `aurophilic' interactions between adjacent atoms of Au(I) in organic complexes.
Technology Research News October 20, 2004	Crystal links ultraviolet photons Researchers from Tohoku University in Japan have moved the quest to control entanglement forward with a method that uses the energy from a pair of photons to produce a pair of entangled photons that have the same energy state as the original photons
Technology Research News December 1, 2004 Eric Smalley	Pure Silicon Laser Debuts Researchers have made a prototype laser from silicon. The laser is tunable, meaning it can lase in a range of wavelengths, or colors, and it works at room temperature.
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.
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 November 5, 2003	Rig fires more photon pairs Massachusetts Institute of Technology researchers have moved the field of quantum communications forward with entangled photon beams that contain specific wavelengths of light and are relatively bright.
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.
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.
IEEE Spectrum February 2012 Miles et al.	Using Lasers to Find Land Mines and IEDs A laser could ionize a distant puff of air and thus safely detect the fumes from buried explosives
Chemistry World November 11, 2009 James Urquhart	Structural snapshots of complex molecules US researchers have pioneered a new spectroscopy technique to uncover the precise sequence of atomic movements and structural changes that occur during complex chemical transformations.
Technology Research News December 31, 2003 Eric Smalley	Light frozen in place Researchers at Harvard University have trapped and held a light pulse still for a few hundredths of a millisecond.
Chemistry World June 9, 2010 Jon Cartwright	Laser tracks electrons in molecules The breakthrough suggests that attosecond lasers will soon enable scientists to address problems in chemistry and biology, which until now were too complex for attosecond science.
Chemistry World August 13, 2014 Andy Extance	Photon pinball identifies chemicals from afar US scientists have pushed the range at which chemicals can be remotely identified beyond a kilometer by turning the samples themselves into lasers.
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.
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.
Chemistry World August 27, 2009 Nina Notman	Molecules in close-up A tuning-fork-like device than measures atomic forces is able to image every single atom in a molecule, according to its Swiss inventors.
Technology Research News May 4, 2005	Noisy Snapshots Show Quantum Weirdness Researchers have devised a relatively simple way to detect a pair of entangled, or linked atoms. The detection ability advances quantum computer and quantum communications research.
Chemistry World June 5, 2013 Simon Hadlington	Raman scattering reaches sub-nm resolution Researchers have achieved the highest resolution yet with Raman spectroscopy, allowing the chemical mapping of molecules to a resolution of less than 1nm. The technique could allow unprecedented chemical identification of single molecules.
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 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.
Technology Research News June 30, 2004	Chip protects single atoms Researchers have found a way to closely control the quantum states, or traits, of single atoms trapped in a microchip. The method is a step toward building devices like miniature atomic clocks that are an order of magnitude more accurate than those that exist today.
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 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.
Chemistry World February 28, 2012 Nina Notman	Observing Charge Distribution in Molecules The distribution of charge across a single molecule has been imaged for the first time by Swiss scientists. It is hoped that this work may eventually lead to electronic devices consisting of organic molecules.
Chemistry World September 6, 2013 Melissae Fellet	Unravelling stereochemistry via mass spectrometry Researchers have used mass spectrometry to determine the stereochemistry of a prototypical chiral molecule, CHBrClF.
Chemistry World July 29, 2013 James Urquhart	Synthetic antenna mimics plants' light harvesting abilities Researchers in the UK and France have developed a dye-based molecule that mimics the light harvesting complex found in plants.