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photonic crystals News
4 Photonics Projects Get Defense Funding
WASHINGTON, June 3, 2014 — The U.S. Department of Defense has awarded funding totaling $28.3 million for four photonics graduate research projects under its Multidisciplinary University Research Initiative (MURI). Brief summaries of the projects follow. For further information on each project, follow the hyperlinks provided. • $7.5 million for study of photochemical and photophysical processes involving plasmonic nanoparticles. Potential applications include water remediation, sterilization, distillation
Nanophotonics Underpins Some Groundbreaking Technologies
Apr 7, 2014 — Nanophotonics is now a major research theme in optical physics and engineering. Driven by the dream of untapped device functionality, nanophotonics studies the exciting science of the interaction of light with nanostructures, at the size scale where...
'Inverse Opal' Structure Enhances Solar Cell Efficiency
WEST LAFAYETTE, Ind., Jan. 23, 2014 — A technology called “photonic crystals” could increase the light-trapping capability of thin-film solar cells and help bring about lower-cost solar energy. Researchers from Purdue University’s Birck Nanotechnology Center and School...
New Device Makes Better Use of Sunlight
CAMBRIDGE, Mass., Jan. 21, 2014 — A team at MIT has discovered a way to harvest solar energy more efficiently and potentially on demand.
Soliton Behavior Observed in Silicon Photonics
SYDNEY, Jan. 21, 2014 — A breakthrough in silicon photonics could shape the design of future integrated optical communications systems.
‘Embedded eigenvalue’ holds promise for sensors, lasers, more
CAMBRIDGE, Mass. – There are several ways to confine light, but a new approach uses two waves of the same length, but exactly opposite phases, to cancel each other out, allowing light of other wavelengths to pass freely. In mathematical terms, the new phenomenon...
A New Way To Trap Light
CAMBRIDGE, Mass., July 12, 2013 — There are several methods to confine light, but a new approach uses two waves of the same wavelength, but exactly opposite phases, to cancel each other out, allowing light of other wavelengths to pass freely.
Photonic FEL helps fingerprint drugs
ENSCHEDE, Netherlands – Combining a free-electron laser and a photonic crystal makes it easier to identify a drug than using chemical analysis. A terahertz laser can show the molecular structure of drugs because the beam it produces is at a wavelength suitable for...
Photonic FEL helps fingerprint drugs
ENSCHEDE, Netherlands – Combining a free-electron laser and a photonic crystal makes it easier to identify a drug than using chemical analysis. A terahertz laser can show the molecular structure of drugs because the beam it produces is at a wavelength suitable for...
How to Treat Heat Like Light
CAMBRIDGE, Mass., Jan. 14, 2013 — A new technique makes it possible to manipulate heat as if it were light, an advance that could improve thermoelectric devices, create thermal diodes or achieve thermal cloaking.
Photonic FEL Enables Better Drug Profiling
ENSCHEDE, Netherlands, Dec. 20, 2012 — The combination of a free-electron laser and a photonic crystal enables better “fingerprinting” of a drug than is possible via chemical analysis.
Photonic Crystal Fiber Inventor Named OSA VP
ROCHESTER, N.Y., Oct. 17, 2012 — Photonic crystal fiber inventor Philip Russell was elected as The Optical Society’s 2013 vice president, the organization announced Tuesday at Frontiers in Optics 2012. Three directors at large were also chosen by OSA members.
Optical Microscope Exceeds Diffraction Limit
AMSTERDAM, LONDON and BARCELONA, Spain, Aug. 22, 2012 — An optical microscope that combines electronic excitation and optical detection has broken Abbe’s diffraction limit. The nanoscale imaging method offers insight into how light and complex photonic materials interact and could lead to enhanced...
Photonic Crystals Help Fish See in the Murk
LEIPZIG, Germany, June 29, 2012 — The elephantnose fish, thought to be blind, was found to have light-reflecting cups lined with photonic crystals in its retinas that help it navigate in its dark, murky environment. Researchers think this unusual eye structure might inform future...
Semiconductor etching gets easier
CHAMPAIGN, Ill. – A method that chemically etches patterned arrays in gallium arsenide will make high-end optoelectronic devices easier to manufacture. Developed by a team led by Xiuling Li of the University of Illinois, the technique will enable faster, less...
Lasers Evolve to Meet the Demands of Optical Communications
Feb 1, 2012 — Long-distance, high-speed communication depends on lasers to provide the optical power source. But this application is becoming more and more demanding, especially in terms of power consumption, price and bandwidth. With ever-increasing demands on...
Semiconductors Etch Easier with New Method
CHAMPAIGN, Ill., Jan. 4, 2012 — A method that chemically etches patterned arrays in the semiconductor gallium arsenide will make high-end optoelectronic devices easier to create. A team of researchers led by Xiuling Li, an electrical and computer engineering professor at the...
Nanophotonics Reshapes Data Transmission
STANFORD, Calif., Nov. 15, 2011 — A new ultrafast nanoscale single-mode LED can transmit data at 10 billion bits per second and is thousands of times more energy-efficient than today’s laser-based systems. The new device operates at room temperature and could therefore...
Expansion Seen for Photonic Crystals
Nov 1, 2011 — Market According to a report from the London- based companiesandmarkets.com titled “Photonic Crystals: Materials, Technologies and Global Markets,” the photonic crystals market is growing rapidly and is expected to have a compound annual...
OSA Hosts Renewable Energy Congress
WASHINGTON, Oct. 28, 2011 — The Optical Society of America (OSA) is hosting the Optics and Photonics Congress: Renewable Energy & the Environment, which will be held at the Omni Austin Hotel Nov. 2 to 3, in Austin, Texas. Scientists and engineers from around the...
Photonic Crystals Market to Hit $34.5B by 2016
LONDON, Aug. 16, 2011 — According to a new report from companiesandmarkets.com on photonic crystals, titled “Photonic Crystals: Materials, Technologies and Global Markets,” the photonic crystals market is growing rapidly and is expected to grow at a compound...
Efficient time-reversed light pulses developed
LONDON – Physicists have taken advantage of the properties of periodic systems to efficiently time-reverse ultrashort electromagnetic pulses for applications in medical ultrasound, optical communications, superlensing, ultrafast plasmonics and biological...
Nanowires Influence Direction, Intensity of LEDs
AMSTERDAM, Netherlands, July 5, 2011 — A new method for controlling the direction and intensity of LED light emission consists of growing partially emitting nanowires that form an ordered pattern, creating a "photonic crystal" that sends light in specific directions. Electron...
The Slow-Light Race Is On
Feb 1, 2011 — Since the notion of slow light first became a reality more than a decade ago, scientists have been exploring its use in fundamental studies of light-atom systems as well as for long-term applications in all-optical data processing, quantum...
Mix of Nanoparticles, DNA Create Photonic Crystals
ROCHESTER, N.Y., Jan. 28, 2011 — Scientists have created a diamond-like lattice composed of gold nanoparticles and viral particles, woven together and held in place by strands of DNA. The structure — a distinctive mix of hard, metallic nanoparticles and organic viral pieces...
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May 2024
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