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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 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 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 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 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.  |
IEEE Spectrum September 2007 Lieven Vandersypen |
Dot-to-Dot Design Researchers are connecting tiny puddles of electrons in a chip and making them compute -- the quantum way.  |
Technology Research News August 13, 2003 Eric Smalley |
Quantum computer keeps it simple Controlling fleeting quantum particles usually requires making extraordinarily precise devices. A proposal that calls for chaperoning pairs of particles and getting all of the particles in a quantum computer to sing the same tune could ease this burden.  |
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 January 29, 2003 Eric Smalley |
Quantum computers go digital One of the challenges of building a quantum computer is reducing errors. Researchers from the University of Wisconsin at Madison have eased the problem with a method that reduces error rates by two orders of magnitude.  |
Technology Research News January 1, 2003 Eric Smalley |
Electron pairs power quantum plan Researchers from HP Laboratories and Qinetiq plc in England have mapped out a way to manipulate a pair of very cold electrons that could eventually lead to practical quantum computers made from quantum dots, or tiny specks of the type of semiconductor material used in electronics.  |
Technology Research News February 23, 2005 |
Light writes data in electrons Researchers developed a spin memory device that writes data as electron spins using lasers, stores the electrons in quantum dots, and reads spin information by applying a voltage to the quantum dots to generate photons.  |
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 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.  |
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.  |
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.  |
National Defense April 2011 Eric Beidel |
Pentagon Wants Off-the-Charts Computing Speeds The Defense Department awarded researchers based at the University of Pittsburgh a five-year, $7.5 million grant to build the foundation for a quantum supercomputer, a machine that can harness more power than all of the world's current computers combined.  |
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.  |
Chemistry World January 15, 2010 Andy Extance |
Quantum computer hits hydrogen bullseye A basic quantum computer has successfully tackled one of the most challenging tasks facing chemists today - calculating molecular energy from basic scientific principles.  |
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 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 August 27, 2003 |
Tool sketches quantum circuits Researchers from Cambridge University in England and the Massachusetts Institute of Technology have developed a lithographic technique, dubbed erasable electrostatic lithography, that allows a quantum device to be drawn in a few hours rather than a couple of weeks.  |
Technology Research News March 24, 2004 Eric Smalley |
Molecular logic proposed Researchers from the French National Center for Scientific Research (CNRS) and University College London in England have devised a scheme for designing logic circuits within individual molecules.  |
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 February 12, 2003 Eric Smalley |
Logic scheme gains power Researchers from the University of Notre Dame have pushed an alternative computer chip architecture a step forward by finding a way to refresh the short-lived signals the scheme uses to represent the 1s and 0s of digital information.  |
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 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.  |
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  |
Technology Research News March 12, 2003 |
Cold logic promises speedy devices Researchers from the University of Cambridge and Hitachi Cambridge Laboratory have made a superconducting logic circuit that computes very quickly and requires little power.  |
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.  |
Reactive Reports Issue 30 David Bradley |
Shedding light on quantum dots Hybridising an inorganic nanocrystal and a quantum dot lead to a quantum dot-organic light-emitting device (QD-OLED) a new kind of optoelectronic device that could lead to new types of flat panel displays to supersede liquid crystal displays in everything from mobile devices to TV sets.  |
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.  |
Chemistry World July 12, 2011 Kate McAlpine |
Bit Part for Diethylfluoromalonate in Reaction Model A quantum simulation has successfully described the progression of a chemical reaction for the first time.  |
IEEE Spectrum January 2008 Alexander Hellemans |
Thermal Transistor: The World's Tiniest Refrigerator Thermal transistors refrigerate one electron at a time and physicists plan to compute with heat.  |
Technology Research News September 8, 2004 |
Photonic Crystal Throttles Light Researchers have showed that the spacing of a photonic crystal can be used to control the timing of light emitted by a quantum dot.  |
Chemistry World November 27, 2006 Simon Hadlington |
Getting the Dope on a Single Atom of Dopant Scientists have successfully probed the electronic and quantum mechanical properties of a single atom of dopant in a silicon transistor. The research could provide important information necessary for the development of quantum computers.  |
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 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.  |
IEEE Spectrum September 2008 Joshua J. Romero |
Physicist Named MacArthur Fellow for Work on Quantum Computing Alexei Kitaev's theoretical studies may lead the way to quantum computers that catch their own errors  |
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 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 January 28, 2004 |
Protein orders semiconductor bits Researchers working to make structures at the size-scale of molecules are tapping self-assembly techniques found in nature. Researchers have found a way to construct fairly complicated nanostructures by combining a genetically engineered form of the protein cohesin with quantum dots.  |
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 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.  |
IEEE Spectrum March 2011 Saswato R. Das |
A Crowd of Quantum Entanglements Phosphorus-in-silicon system could lead to quantum computers  |
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 October 6, 2004 Kimberly Patch |
Fluid chip does binary logic Researchers are working to combine many gates to make a microfluidic computing system. The technology could lead to inexpensive, easily-manufacturerd handheld labs-on-a-chip that do not require control electronics.  |
IEEE Spectrum February 2012 Sung & Lee |
Graphene: The Ultimate Switch Graphene could replace the transistor with switches that steer electrons just like beams of light  |
IEEE Spectrum December 2007 Sarah Adee |
Scientists Start Quest for the Silicon Quantum Computer Sandia research could link silicon circuits to quantum computers.  |
Industrial Physicist Feb/Mar 2003 Jennifer Oullette |
Quantum dots for sale Artificial atoms illluminate biotechnology and other fields  |