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quantum computing News
Stacking ‘Lego’ blocks of light
CALGARY, Alberta, Canada – Many of us enjoyed donning our construction hats and building little houses out of Lego blocks when we were young. Now, researchers at the University of Calgary are playing a similar game, but rather than using Legos, they are stacking light...
Ignacio Cirac Wins Catalan Culture Award
GARCHING, Germany, April 23, 2010 — Professor Ignacio Cirac, director at the Max Planck Institute of Quantum Optics and leader of the Theory Division, has been honored with the National Culture Award from Catalonia (Premi Nacional de Pensament i Cultura Científica). Born in the...
A Step Towards Quantum Computing
CARDIFF, Wales, April 21, 2010 — Physicists have discovered properties of hybrid light-matter particles, existing in the solid state matrix, which could one day lead to faster and more efficient computers and telecommunications. A team from Cardiff University’s School of...
Ion Trap for Quantum Computing
GAITHERSBURG, Md., April 7, 2010 — Physicists at the National Institute of Standards and Technology (NIST) have built and tested a device for trapping electrically charged atoms (ions) that potentially could process dozens of ions at once with the most versatile control of any trap...
Photonics in India Shines Brightly at APW 2010
Mar 2, 2010 — Friends, as promised, I was able to visit Cochin — said to be the ’Queen of the Arabian Sea’ — to attend the Annual Photonics’ Workshop 2010 (APW 2010), which was held on Feb. 27-28. Organized by the International School of...
Quantum Computing Circuit Created
MADISON, Wis., March 2, 2010 – In a move that may help quantum computing become a reality, physicists have created an atomic circuit by exerting delicate control over a pair of atoms within a mere seven-millionths-of-a-second window of opportunity. Quantum computing...
Diamond Device Channels Photons
CAMBRIDGE, Mass., Feb. 15, 2010 — A newly created diamond-based nanowire device offers a bright, stable source of single photons at room temperature — an essential element in making fast and secure computing w...
Atoms Fooled by Fake Field
GAITHERSBURG, Md., Dec. 2, 2009 -- For the first time, physicists have used laser light to create "synthetic magnetism," an exotic condition in which neutral atoms suddenly begin to behave as if they were charged particles interacting with a magnetic field – even though no such field...
Yale Engineer Wins Fellowship
Oct 20, 2009 — Yale University in New Haven, Conn., announced that Hong Tang, an assistant professor of engineering at its School of Engineering & Applied Science (SEAS), is one of 16 US scientists selected as a 2009 Packard Fellow. Tang’s research in...
Quantum Signatures of Chaos
TUCSON, Ariz., Oct. 9, 2009 – No one has produced experimental evidence that chaos occurs in the quantum world – the world of photons, atoms, molecules and their building blocks – until now. In a series of experiments, professor Poul Jessen and a group at the University of...
The Teacher
Oct 1, 2009 — After earning a PhD at Caltech, Nader Engheta spent four years at Kaman Sciences Corp. before joining the faculty at the University of Pennsylvania in Philadelphia, where he is now the H. Nedwill Ramsey Professor of Electrical and Systems...
Sensors on the Frontiers of Physics
Sep 1, 2009 — Computer chips based on light as opposed to electricity have only been theorized, but now researchers are actually developing computer chips that will use light for computer functions. At Yale University in New Haven, Conn., members of Hong...
Ion Trap Senses Force, Light
GAITHERSBURG, Md., July 6, 2009 – Miniature devices for trapping ions are common components in atomic clocks and quantum computing research. Now, a novel ion trap geometry demonstrated at NIST holds promise as a stylus for sensing very small forces and light particles for quantum...
Quantum Tunneling Observed
CHAMPAIGN, Ill., May 27, 2009 – Researchers at the University of Illinois demonstrated that an entire collection of superconducting electrons in an ultrathin superconducting wire is able to “tunnel” as a pack from a state with a higher electrical current to one with a notably...
A Quantum Synchronized Spin
ARLINGTON, Va., Feb. 17, 2009 – An international team of scientists led by a Princeton University group recently discovered that, on the surface of certain materials, collective arrangements of electrons move in ways that mimic the presence of a magnetic field where none is...
Triphoton Squeezed to Limit
TORONTO, Jan. 7, 2009 -- A new technique squeezes light to the fundamental quantum limit, a finding that has potential applications for high-precision measurement, next-generation atomic clocks, novel quantum computing and our most fundamental understanding of the universe....
Tunable Noiseless Amplifier
GAITHERSBURG, Md., Oct. 17, 2008 – Researchers at the National Institute of Standards and Technology (NIST) and JILA, a joint institute of NIST and the University of Colorado (CU) at Boulder, have made the first tunable “noiseless” amplifier. By significantly reducing the...
UWaterloo IQC Selects Laser from Zecotek Medical Systems
Nov 15, 2007 — Zecotek Medical Systems Inc. of Vancouver, British Columbia, a developer of photonic and biophotonic technologies used in the high-tech industry and medical diagnostics, today announced that its continuous-wave narrow-band titanium:sapphire laser,...
All Aboard the Quantum 'Bus'
NEW HAVEN, Conn., and GAITHERSBURG, Md., Sept. 27, 2007 -- Two research groups have independently demonstrated a superconducting quantum 'bus,' using it both to store and transfer information between independent quantum bits (qubits) and as a way to enable the interaction of two qubits, creating a combined...
Active Feed-Forward Improves Linear Optics Quantum Computing
Mar 1, 2007 — In one-way quantum computing, applying a feed-forward technique — in which each measurement is dependent on previous results — helps to surmount quantum measurement randomness. Researchers from the University of Vienna in Austria, Harvard University...
Artificial Atoms Make Microwave Photons Countable
NEW HAVEN, Conn., Feb. 2, 2007 -- Using artificial atoms on a chip, physicists have taken the next step toward quantum computing by demonstrating that the particle nature of microwave photons can now be detected. Quantum theories are often considered to apply best to processes...
Physicists Sort Atoms with Laser 'Tweezers'
BONN, Germany, July 14, 2006 -- Using laser "tweezers", physicists have succeeded in sorting up to seven atoms and putting them in a line. The researchers said their method -- which could be used as a memory device that has quantum information stored in strings of equally spaced...
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