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quantum News
Radio Waves Cool Cantilever
BOULDER, Colo., Sept. 17, 2007 -- Physicists have used radio waves to dampen the motion of a thin silicon cantilever containing more than a quadrillion atoms, a cooling technique that has the potential to demonstrate quantum behavior in a macroscopic object using smaller and simpler equipment and could lead to the creation of very sensitive detectors.NIST physicists used radio waves to cool this silicon microcantilever, the narrow orange strip across the middle of this colorized micrograph. The cantilever, created by ion...
New Zealand Invests in Tech
WELLINGTON, New Zealand, July 19, 2007 -- New Zealand is investing NZ$628 million (about $498 million) in new research programs in an effort to position the country at the forefront of nanotechnology development and the production of new supermaterials, a government funding agency announced...
Atomic Spectroscopy Achieved with Optics on a Chip
SANTA CRUZ, Calif., June 1, 2007 -- Atomic spectroscopy has been performed with integrated optics on a chip for the first time by guiding a beam of light through a rubidium vapor cell integrated into a semiconductor chip. Atomic spectroscopy is a widely used technique with diverse...
'Spinplasmonics' Field Created
EDMONTON, Alberta, May 31, 2007 -- By combining two nanotechnology fields -- spintronics and plasmonics -- researchers have found a novel way to control the quantum state of an electron's spin and created a new technology, "spinplasmonics." A University of Alberta research team...
Single-Photon Server Created From an Atom
GARCHING, Germany, March 19, 2007 -- Physicists have succeeded in turning a rubidium atom into a single-photon server, which could allow scientists to generate high-quality photons with consistent energy levels for use in quantum computing. Finding photons is easy: Every time you...
Optical Coating Reflects Virtually No Light
TROY, N.Y., March 1, 2007 -- Scientists have created an optical coating from a material that reflects virtually no light. The research could lead to the development of much brighter LEDs, more efficient solar cells and a new class of "smart" light sources that adjust to...
Rice Gets $1.4M to Probe Quantum Matter
HOUSTON, Feb. 12, 2007 -- The W.M. Keck Foundation has awarded Rice University $1.4 million to probe one of the most elusive and mysterious areas of modern physics -- the bizarre world of high-temperature superconductors, quantum magnets, and other solid-state materials that...
Light Changed to Matter, Then Stopped and Moved
CAMBRIDGE, Mass., Feb. 8, 2007 -- By converting light into matter and then back again, physicists have for the first time stopped a light pulse and then restarted it a small distance away. This "quantum mechanical magic trick" provides unprecedented control over light and could have...
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...
Awards Give Boost to UK Physics Research
SWINDON, England, Dec. 29, 2006 -- Seven Science and Innovation Awards totaling more than £12 million ($23 million) include funding to allow three United Kingdom universities to collaborate on quantum coherence and will help two other schools establish a new research center on...
Optical Atomic Clock Has Most Precise 'Ticks' Ever
BOULDER, Colo., Dec. 1, 2006 -- Using an ultrastable laser to manipulate strontium atoms trapped in a "lattice" of light, scientists at the National Institute of Standards and Technology (NIST) and the University of Colorado at Boulder have demonstrated the capability to produce...
'Tornadoes' Transferred From Light to Sodium Atoms
GAITHERSBURG, Md., Nov. 10, 2006 -- For the first time, tornado-like rotational motions have been transferred from laser light to atoms in a controlled way. The new quantum physics technique can be used to manipulate a state of matter called Bose-Einstein condensate (BEC) and possibly...
Molecule Camera Images Hydrogen
HEIDELBERG, Germany, Nov. 9, 2006 -- Using intensive, ultrashort laser pulses and compiling a film from the separate images, German researchers have "photographed" the smallest and fastest molecule -- hydrogen. The method allows them to visualize the quantum mechanical wave pattern of...
Caltech Professor Receives German Award for Laser Innovations
Oct 11, 2006 — H. Jeff Kimble, Valentine Professor and professor of physics at the California Institute of Technology in Pasadena, has been chosen by the private non-profit German foundation Berthold Leibinger Stiftung as the initial recipient of its new Berthold...
Optical Physics Researcher Richart Slusher Wins OSA Award
Oct 10, 2006 — Richart E. Slusher, director of Quantum Information Research at Bell Labs in Murray Hill, N.J., is the recipient of the 2006 Max Born Award, presented by the Optical Society of America (OSA), it was announced today. The award is named for German...
Quantum Encryption Codes Sent Over Record Distances
LOS ALAMOS, N.M., Sept. 26, 2006 -- Using an innovative sensor for detecting single photons, the smallest particles of light, scientists have set two significant distance records for distributing "keys" (or codes) for quantum encryption, the most secure method known for protecting the...
Molecules Take Step Toward Use as Quantum Bits
GARCHING, Germany, Sept. 25, 2006 -- By creating an optical lattice out of several superimposed laser beams, physicists have succeeded in arranging and keeping molecules in a regular array, an important step toward creating a state in which they could possibly store and exchange...
UMaryland, NIST and NSA Create Joint Quantum Institute
COLLEGE PARK, Md., Sept. 11, 2006 -- Officials from the University of Maryland, the Commerce Department’s National Institute of Standards and Technology (NIST) and the National Security Agency today announced the creation of a joint research institute designed to advance quantum...
Sorting Atoms for Quantum Computing
Sep 1, 2006 — Strings of laser-trapped atoms can be useful for storing and processing quantum information. Recently, researchers at the University of Bonn in Germany used an optical trapping technique to rearrange atoms in such strings with submicrometer...
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...
New Ion Trap May Lead to Working Quantum Computer
GAITHERSBURG, Md., July 11, 2006 -- Physicists have built a novel electromagnetic trap for ions that they said could be easily mass produced, potentially leading to ultrafast quantum computers large enough for practical use in complicated tasks such as breaking data encryption...
UA Physicist Named to Endowed Nanotechnology Chair
Jun 19, 2006 — The University of Arkansas (UA) in Fayetteville announced that physics professor Min Xiao has been named the inaugural holder of its university-endowed Twenty-First Century Chair in Nanotechnology, created to bring together scientists to study...
Transistor Could 'Dial in' Quantum Effects
Dec 15, 2005 — HOUSTON, Texas, Dec. 15 -- A team of theoretical and experimental physicists from Rice University is preparing a unique probe in hopes of "dialing in" elusive quantum states called quantum criticalities. The team is using nanotechnology to create a...
InAs Quantum Dots Self-Organize on Microdisks
Oct 1, 2005 — A self-organization process identified by scientists at Stanford University’s Solid State and Photonics Laboratory in California promises to facilitate the fabrication of devices in which quantum dots are coupled with microcavities, such as for...
Physicists Entangle Photon, Atom in Cloud
Aug 4, 2005 — ATLANTA, Aug. 4 -- Eavesdroppers will have a hard time tapping into a quantum communications network, which carries information with photons and atoms that are entangled so the behavior of one affects the other, if researchers continue their recent...
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