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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 January 14, 2004 |
Atoms make quantum coprocessor Researchers from Brussels Free University in Belgium (ULB) and the Niels Bohr Institute in Denmark have shown that the collective spin of clouds of atoms can be used to compute. |
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 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 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 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 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 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 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 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 May 21, 2003 |
Big qubits linked over distance Researchers working on quantum computing managed to entangle a pair of large quantum bits that were spaced nearly a millimeter apart. |
Technology Research News February 26, 2003 Eric Smalley |
Quantum computing catches the bus National Institute of Standards and Technology (NIST) researchers have tapped an aspect of classical computers and a pair of weird particle traits to allow distant particles, or qubits, to communicate as though they were in contact. |
Technology Research News December 19, 2005 |
Quantum computing: qubits Quantum bits, or qubits, are the quantum equivalent of the transistors that make up today's computers. There are four established qubit candidates: ion traps, quantum dots, semiconductor impurities, and superconducting circuits. |
Technology Research News June 1, 2005 |
Magnetic Resonance Goes Nano Researchers have built a nuclear magnetic resonance device that has the potential to overcome the quantum bit limit because it is small enough to fit on a computer chip. |
Technology Research News November 3, 2004 Eric Smalley |
Single Field Shapes Quantum Bits Researchers have recently realized that it may be possible to control the electrons in a quantum computer using a single magnetic field rather than having to produce extremely small, precisely focused magnetic fields for each electron. |
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 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 April 7, 2004 Eric Smalley |
Sturdy quantum computing demoed The atomic or subatomic components of prototype quantum computers usually have to be carefully sheltered from the environment, but a method that makes qubits immune to noise shows promise. |
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 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. |
BusinessWeek March 15, 2004 John Carey |
Physics: "Putting The Weirdness To Work" Scientists say quantum materials will be the basis for amazing devices, but when? |
Technology Research News February 11, 2004 |
Electricity teleportation devised Researchers from Leiden University in the Netherlands have devised a way to teleport electricity. |
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. |
IEEE Spectrum March 2011 Saswato R. Das |
A Crowd of Quantum Entanglements Phosphorus-in-silicon system could lead to quantum computers |
Technology Research News March 12, 2003 Eric Smalley |
Quantum chips advance Researchers have entangled a pair of electronic qubits in an integrated circuit. The work is a milestone on the road to chip-based, mind-bogglingly fast quantum computers. |
CIO March 15, 2002 John Edwards |
Quantum Leap A quantum physics breakthrough could turn pipe dreams, such as ultra-high-speed quantum computers and teleportation, into real-world technologies... |
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. |
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 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 December 11, 2002 Eric Smalley |
Design links quantum bits Realizing the potential of phenomenally fast quantum computers means having to link thousands of quantum bits, which are the transistors of such computers. So far researchers have been able to connect only a few. A scheme for linking many tiny superconducting loops may pull it all together. |
Technology Research News August 11, 2004 Eric Smalley |
Chips measure electron spin Practical quantum computers are at least a decade away, and some researchers are betting that they will never be built. But a pair of recent experiments may prove them wrong. |
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. |
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 August 11, 2004 |
Single gold atoms altered The gold atom, positioned on an ultrathin film of sodium chloride, remained stable during the operation, despite the change in charge. |
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 November 17, 2004 |
Atom Flip Energy Measured Scientists have measured the energy required to flip the magnetic orientation, or spin of a single atom trapped on a surface. |
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 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. |
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 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 July 14, 2004 Eric Smalley |
Teleport lifts quantum computing Researchers transported the states of charged atoms and showed that it is possible to do so on demand. The feat boosts the prospects for building quantum computers that employ trapped ions, quantum particles that live long enough to carry out multiple computations. |
Technology Research News September 10, 2003 Eric Smalley |
Electron teams make bigger qubits Making quantum computers from electronic chips rather than cumbersome laboratory equipment requires control over individual electrons. A scheme that has a string of electrons acting as one could ease the task by expanding the target to a whopping 250 millionths of a millimeter. |
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. |
Wired October 2001 Wil McCarthy |
Ultimate Alchemy Research into artificial atoms could lead to one startling endpoint: programmable matter that changes its makeup at the flip of a switch... |
Industrial Physicist Aug/Sep 2004 Eric J. Lerner |
News: Plasmon microscopy A new technique allows far-field optical microscopy with resolutions well below the wavelength of light. |
Chemistry World October 27, 2010 Laura Howes |
Single molecule magnets line up Italian researchers claim that they've bound a single molecule magnet to a gold surface, whilst retaining the magnet's properties. |
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. |
Chemistry World September 13, 2007 James Mitchell Crow |
Molecules Made with Antimatter Molecules combining electrons and positrons -- matter and antimatter -- have been made for the first time by US scientists, potentially paving the way for powerful new lasers. |
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. |
IEEE Spectrum January 2009 Mark Anderson |
U.S. Energy Secretary Steven Chu's Latest Experiment Chu's atom interferometer could lead to GPS without the satellites to monitor earthquake zones, map out undiscovered mineral resources, and search for elusive gravitational waves. |