Graphene enables all-electrical control of energy flow from light emitters
At the heart of lasers, displays and other light-emitting devices lies the emission of photons. Electrically controlled modulation of this emission is of great importance in applications such as...
View ArticleImprovements in transistors will make flexible plastic computers a reality
Researchers at Japan's National Institute for Materials Science revealed that improvements should soon be expected in the manufacture of transistors that can be used, for example, to make flexible,...
View ArticleGigabits per second feat: Indoor optical wireless link explored
Attention to optical fiber communication networks has been paid in a recent paper showing their potential. Optical fiber communication networks can provide terabit aggregate capacities to buildings and...
View ArticleBeating cyber criminals with quantum solutions
As hackers get more sophisticated in their cyber crime efforts, we need to look to new technology to make our systems more secure, and potentially unhackable.
View ArticleThis Slinky lookalike 'hyperlens' helps us see tiny objects
It looks like a Slinky suspended in motion.
View ArticleJournal article details 'multiplicity of barriers' to clinical acceptance of...
The dynamic field of medical laser applications continually offers new systems and techniques enabling less invasive or more targeted treatments. But the path from the lab to the clinic can be slowed...
View ArticleSuperfast fluorescence sets new speed record
Researchers have developed an ultrafast light-emitting device that can flip on and off 90 billion times a second and could form the basis of optical computing.
View Article'Plasmonic' material could bring ultrafast all-optical communications
Researchers have created a new "plasmonic oxide material" that could make possible devices for optical communications that are at least 10 times faster than conventional technologies.
View ArticleResearchers clear the way for fast plasmonic chips
Researchers from the Laboratory of Nanooptics and Plasmonics at the MIPT Center of Nanoscale Optoelectronics have developed a new method for optical communication on a chip, which will could decrease...
View ArticleLasers tailor graphene for new electronics technology
Carbon nanomaterials display extraordinary physical properties, outstanding among any other substance available, and graphene has grown as the most promising material for brand-new electronic...
View ArticleMicroresonators could bring optical sensors, communications
Researchers have solved a key obstacle in creating the underlying technology for miniature optical sensors to detect chemicals and biological compounds, high-precision spectroscopy, ultra-stable...
View ArticlePhysicists develop key component for terahertz wireless
Terahertz radiation could one day provide the backbone for wireless systems that can deliver data up to one hundred times faster than today's cellular or Wi-Fi networks. But there remain many technical...
View ArticleFirst circularly polarized light detector on a silicon chip
Invention of the first integrated circularly polarized light detector on a silicon chip opens the door for development of small, portable sensors that could expand the use of polarized light for drug...
View ArticleBig plans for small satellites—testing laser communications, formation flying
NASA is preparing to launch a set of miniature satellites that push the boundaries of space-to-Earth communications for CubeSats, as well as testing the ability of two small spacecraft to fly in close...
View ArticleGraphene teams up with two-dimensional crystals for faster data communications
Ultra-fast detection of light lies at the heart of optical communication systems nowadays. Driven by the internet of things and 5G, data communication bandwidth is growing exponentially, thus requiring...
View ArticleResearchers design material that more effectively slows light
Researchers at The University of Alabama designed and made a material that manipulates the speed of light in a new, more effective way than previous methods, according to findings recently published in...
View ArticleAIMing a light across millions of kilometres
Imagine beaming a light across millions of kilometres of empty space, all the way back to Earth. ESA's proposed Asteroid Impact Mission is intended to do just that: demonstrate laser communications...
View ArticleNASA takes Lasercom a step forward
A NASA-developed laser communication (lasercom) system made headlines in 2013 when it demonstrated record-breaking data download and upload speeds to the moon. Now, a NASA optical physicist says he can...
View ArticleBest of Last Week – Earth's invisible shield, a sound loud enough to bend...
(Phys.org) —It was a big week for discovery as a Star Trek-like invisible shield was found thousands of miles above Earth—it's in the Van Allen radiation belt and appears to protect the planet below...
View ArticleA fish may hold the key to more efficient wireless networks
As wireless networks become more crowded with devices and more taxed by the demand for anytime, anywhere access, these networks are susceptible to radio frequency interference and jamming. It's a...
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