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Research & Technology News

Replacing “consumer electronics” with “consumer photonics”
PHILADELPHIA – Cadmium sulfide nanowires can be used to create an all-optical photonic switch, a team at the University of Pennsylvania said. They combined the switch with others to create a logic gate for on-chip information processing. “Putting switches together lets you make logic gates, and assembling logic gates allows you to do computation,” said graduate student Brian Piccione. “We used these optical switches to construct a NAND gate, which is a fundamental building block of modern ...
Silicon could enable mass production of quantum computing
BRISTOL, UK – A new silicon-based approach to quantum computing could make the technology easier to mass-produce. Scientists at the University of Bristol’s Centre for Quantum Photonics, leading an international collaboration, made the leap from glass-based...
Superstable laser could power atomic physics
BOULDER, Colo. – An optical resonator made of single-crystal silicon, a particularly stiff and low-noise material – instead of the traditional glass with its disordered and “soft” material structure – has enabled the creation of a laser so...
System measures limits of plasmonic enhancement
DURHAM, N.C., and LONDON – Photonic interactions have been measured for the first time on the scale of a single atom. The ability to quantify the unique properties of light gives physicists a road map to precise control of scattering in metal-based devices such as biosensors...
Wireless optical networks could make vehicles lighter
COVENTRY, UK – LED-based wireless optical networks in vehicles could significantly cut the weight of wiring under the hood, not only saving on fuel, but also allowing passengers to tap into visible or infrared spectrum bands in overhead lighting to watch movies or...
X-ray, optical wave mix probes light at atomic scale
BERKELEY, Calif. – Mixing x-ray and optical lightwaves enables observations of how light interacts with matter on the atomic scale. The capability can reveal certain properties of matter, and may enable the observation of changes during chemical reactions, such as the...
Fiber Laser Pioneer Honored with IEEE Milestone
SOUTHBRIDGE, Mass., Oct. 31, 2012 — Elias Snitzer, the father of fiber lasers and fiber amplifiers, was honored posthumously Friday by the Institute of Electrical and Electronics Engineers (IEEE) with a granite plaque across the street from the former American Optical headquarters,...
Tying Knots in Light
CANBERRA, Australia, Oct. 31, 2012 — Light can be coaxed to tie itself into knots, but under the right conditions the knot-tying can happen spontaneously, new research suggests.
New Solar Research Facility Breaks Ground
BERKELEY, Calif., Oct. 29, 2012 — Construction has begun on a 40,000-sq-ft solar energy research facility at Lawrence Berkeley National Laboratory that will aid in the quest for alternative fuels from sunlight.
DSU Breaks Ground on Optics Research Building
DOVER, Del., Oct. 26, 2012 — Delaware State University’s renowned optics program, currently involved in NASA’s Mars Curiosity rover mission, will soon have a new home.
UN Committee Endorses International Year of Light in 2015
PARIS, Oct. 26, 2012 — A resolution declaring 2015 as the International Year of Light was endorsed by the United Nations Educational, Scientific and Cultural Organization (UNESCO), and backed by 28 other nations, at the organization’s 190th session in Paris last week. Its...
Dark Matter Halos May Contain Stars
LOS ANGELES and IRVINE, Calif., Oct. 25, 2012 — Stars kicked to the edges of space during violent collisions and mergers with other galaxies can get tossed into large, invisible cocoons of dark matter, which might explain why astronomers say they see more light in the universe than it seems they...
Kao Named SLAC Director
MENLO PARK, Calif., Oct. 25, 2012 — After a nearly 10-month search for a new director at the SLAC National Accelerator Laboratory, Stanford University decided to promote from within, naming Associate Director Chi-Chang Kao to the position Wednesday.
Quantum Computer Recycles Photons
BRISTOL, England, Oct. 25, 2012 — New demonstrations show it is possible to recycle the photons inside a quantum computer so that quantum factoring can be achieved using only one-third of the particles originally required.
Flanagan Appointed Deputy Director of STScI
BALTIMORE, Oct. 24, 2012 — Dr. Kathryn Flanagan has been appointed deputy director of the Space Telescope Science Institute (STScI), the science operations center for the Hubble and James Webb space telescopes.
Microscale Optical Accelerometer Engineered
PASADENA, Calif., Oct. 24, 2012 — An ultrasensitive, miniature optical accelerometer uses laser light rather than electrical circuits to gauge movement, a change that could transform the microelectronics industry, its creators say.
Most Advanced Giant Telescope Mirror Completed
TUCSON, Ariz., Oct. 24, 2012 — The most challenging astronomical mirror ever made — 10 times more powerful than any other large mirror — was completed for a giant telescope that will explore star formation, black holes and planets in the early universe.
Fishy Felon Breaks a Law of Physics
BRISTOL, England, Oct. 23, 2012 — A multilayer crystalline structure used by silvery fish to evade ocean predators bends the laws of physics and could be the key to developing better optical devices.
Superparticles Shaped from Nanorods
GAINESVILLE, Fla., Oct. 23, 2012 — A new technique for growing complex superparticles from self-assembling nanorods could create a new generation of polarized LEDs.
Atom Optics Comes of Age
GREENBELT, Md., Oct. 19, 2012 — NASA is funding atom interferometry, a variation on the 200-year-old optical technique, in the belief that the emerging, highly precise measurement technology will allow the detection of ripples in space-time and other events.
OSA: Attendance Up at Frontiers in Optics 2012
ROCHESTER, N.Y., Oct. 19, 2012 — Frontiers in Optics 2012, the Optical Society’s (OSA) 96th annual meeting, attracted more than 1700 attendees — a significant increase over last year, the society reported Friday. The five-day event, which is collocated with the American...
Training Light to Cool Materials
BETHLEHEM, Pa., Oct. 19, 2012 — By exploiting the resonance behaviors of opposing light-scattering phenomena, photons may one day be used to cool the materials through which they pass, rather than heating them. The breakthrough could lead to smaller, lighter and cheaper...
Optical Vortex Beams Emit on Silicon
BRISTOL, England, Oct. 18, 2012 — The smallest emitter of orbital angular momentum (OAM) light — light that travels in a twisting, corkscrew-like manner — was created on silicon. The chip is one thousand times smaller than any other such device reported to date and could be used in...
Material Could Provide Self-Cleaning, Waterproof Optics
PHILADELPHIA, Oct. 17, 2012 — Inspired by butterfly wings, a new material that repels water and shines with beautiful, brilliant hues could provide the foundation for optical devices that are self-cleaning and waterproof.
Organic Solar Cell Could Recharge Electronics on the Move
COVENTRY, England, Oct. 17, 2012 — Coping with a dead cell phone while you’re on the go could become yesterday’s problem, thanks to a new organic photovoltaic solar cell that could recharge a standard lithium-ion battery, even in low-light conditions.

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