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Research & Technology News

Frequency Combs Enable Remote 3-D Mapping
GAITHERSBURG, Md., Oct. 8, 2014, — A laser-based imaging system can now create high-definition 3-D maps remotely, with the ranging accuracy made possible by frequency combs.
Superresolution Microscopy Pioneers Win Nobel Prize in Chemistry
STOCKHOLM, Sweden, Oct. 8, 2014 — Circumventing the diffraction limit to achieve nanoscale microscope images has earned Eric Betzig, Stefan W. Hell and W.E. Moerner the 2014 Nobel Prize in Chemistry.
Blue LED Inventors Win Nobel Prize
STOCKHOLM, Sweden, Oct. 7, 2014 — Three LED developers have been awarded the 2014 Nobel Prize in Physics.
Optical Switch Turns Polarization Into Direction
VIENNA, Oct. 7, 2014 — A single gold nanoparticle can translate light polarization into direction of propagation within ultrathin glass fiber.
Solar Cell Stores Energy, Too
COLUMBUS, Ohio, Oct. 7, 2014 — Solar cells could soon double as rechargeable batteries, greatly enhancing their power and efficiency.
Nanopillars Enhance Solar Efficiency
AMHERST, Mass., Oct. 3, 2014 — Mimicking the highly efficient light-harvesting structures of blades of grass could boost power-conversion efficiency in solar panels.
Photons Ride Optomechanical ‘Seesaw’
MINNEAPOLIS, Oct. 3, 2014 — A nanoscale “seesaw” that shuttles photons back and forth could present an optomechanical alternative for computing and sensing applications. On either side of the seesaw are photonic crystal cavities to capture photons. Optical forces...
Washington Launches Integrated Photonics Manufacturing Initiative
WASHINGTON, Oct. 3, 2014 — The White House today announced a $200 million competition to create an integrated photonics manufacturing institute. The Department of Defense will award more than $100 million in federal money, matched by $100 million or more in private...
All-Metal Detector has Ultranarrow Absorption Band
EVANSTON, Ill., Oct. 2, 2014 — A new all-metal photodetector with an ultranarrow absorption band could lead to biosensors with greater sensitivity than ever.
Nanocavities Increase LED Display Output, Contrast
PRINCETON, N.J., Oct. 2, 2014 — Nanocavities can help light escape from LEDs to produce brighter, clearer and more efficient displays. Researchers at Princeton University reported increasing the efficiency of green organic LEDs (OLEDs) to 60 percent — 57 percent higher than...
Thermophotovoltaic System Exhibits Better Absorption
CAMBRIDGE, Mass., Oct. 1, 2014 — A 2-D photonic crystal could prove key in advancing the absorption and use of solar energy.
Ultrathin Films Color Rough, Flexible Surfaces
CAMBRIDGE, Mass., Oct. 2, 2014 — Researchers can now “paint” rough, flexible surfaces through the phenomenon of thin-film interference. A team at Harvard University demonstrated that ultrathin optical coatings can display strong optical interference effects on notebook...
LANL Licenses Polarization Cryptography Technique
LOS ALAMOS, N.M., Oct. 1, 2014 — Quantum encryption technology based on random photon polarization could give ordinary people access to truly secure commerce, banking, communications and data transfer. Developed at Los Alamos National Laboratory, the technology has been licensed to...
Gold Nanoclusters Enhance Solar Power
LONDON, Ontario, Canada, Sept. 30, 2014 — Gold nanoclusters could improve solar cell performance by more than 10 percent.
Fiber Optics Provide Early Warning for Landslides
CASERTA, Italy, Sept. 29, 2014 — Fiber optic sensors could warn people of imminent landslides, potentially saving lives and reducing destruction. A team at the Second University of Naples is developing sensor technology that could detect and monitor both large landslides and slow...
Existing Fab Methods Could Yield ‘Light Prison’
ENSCHEDE, Netherlands, Sept. 26, 2014 — A “prison for light” designed by Dutch theorists could be created using existing silicon-etching techniques and play a role in optical communications.
Advances in Blue OLEDs Increase Efficiency and Lifetime
ANN ARBOR, Mich., Sept. 25, 2014 — Researchers in Michigan have discovered a way to extend the life of blue organic light-emitting diodes, which would lead to longer battery life in smartphones and lower power consumption for large screen televisions.
Deposition Technique Enables Large-Scale MoS2 Fabrication
SOUTHAMPTON, England, Sept. 24, 2014 — A new technique for fabricating larger amounts of molybdenum disulfide than previously possible could lead to an expanded array of optoelectronic devices. The technique involves depositing nanoscale MoS2 thin films on a variety of substrates via...
Interferometric Technique Targets Protein Shadows
ERLANGEN, Germany, Sept. 24, 2014 — A new optical method for targeting proteins could mean earlier diagnosis and more effective treatment for cancer.
National Energetics to Build 10 PW Research Laser
AUSTIN, Texas, Sept. 24, 2014 — A Consortium led by National Energetics Inc. has been awarded a more than $40 million contract to develop and install a petawatt laser system at a research facility being built outside Prague.
Inorganic Semiconductors Guide New Optoelectronic Devices
SEOUL, South Korea, Sept. 22, 2014 — Inorganic Semiconductors Guide New Optoelectronic Devices SEOUL, South Korea, Sept. 22, 2014 — Inorganic compound semiconductors could potentially replace those developed with organic materials. A research team from Seoul National University...
New Polymer Mix Crafts More Efficient Solar Cells
CHICAGO and LEMONT, Ill., Sept. 22, 2014 — An enhanced polymer-based device could boost solar power generation and improve the efficiency of solar cells. The new device, developed by a team from the University of Chicago’s Institute for Molecular Engineering in collaboration with...
Tunable MoS2 Light Emitters Make Better Chips
CAMBRIDGE, Mass., Sept. 23, 2014 — MoS2-based light emitters have the potential to help create powerful, yet energy efficient optoelectronic chips. A team at MIT has developed a new theoretical framework for building optoelectronic chips using MoS2 (molybdenum disulfide) as light...
Optogenetic Tool Guides Brain Mapping
PASADENA, Calif., Sept. 22, 2014 — A new optogenetics technique could help map neural networks in living organisms.
Photon State Teleported 25 km
GENEVA, Sept. 22, 2014 — Swiss physicists have attained quantum teleportation over more than four times the distance they achieved a decade ago. A team at the University of Geneva has successfully teleported the quantum state of a photon to a crystal via 25 km of optical...

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