Optoelectronic microprocessors built using existing chip manufacturing
Using only processes found in existing microchip fabrication facilities, researchers at MIT, the University of California at Berkeley, and the University of Colorado have produced a working...
View ArticleIntercity quantum key distribution method outperforms quantum repeaters
(Phys.org)—Quantum key distribution (QKD) may one day allow for nearly perfectly secure data communication on a large scale, but before this can happen, QKD networks must extend across distances that...
View ArticleShiny fish skin inspires nanoscale light reflectors
A nature-inspired method to model the reflection of light from the skin of silvery fish and other organisms may be possible, according to Penn State researchers.
View ArticleNew optical transmitter enables better communication networks
All the world's data – pictures, video, sounds, and text – has to traverse complex networks of optical fibers that crisscross cities, regions, and countries. To better handle the glut of information, a...
View ArticleSwitching light with a silver atom
Researchers working under Juerg Leuthold, Professor of Photonics and Communications, have created the world's smallest integrated optical switch. Applying a small voltage causes an atom to relocate,...
View ArticleRecord for fastest data rate set
A new record for the fastest ever data rate for digital information has been set by UCL researchers in the Optical Networks Group. They achieved a rate of 1.125 Tb/s as part of research on the capacity...
View ArticleNew molecular property may mean more efficient solar and opto-electronic devices
Chemists and polymer scientists collaborating at the University of Massachusetts Amherst report in Nature Communications this week that they have for the first time identified an unexpected property in...
View ArticleNew fabrication and thermo-optical tuning of whispering gallery microlasers
OIST scientists have developed a new, simple and quick way to make any number microlasers on a single structure.
View ArticleHundredfold optical fiber capacity increase sends thousands of HDTV videos...
Nippon Telegraph and Telephone Corporation and collaborating labs have demonstrated the world's highest density optical fiber using a deployable optical fiber diameter of less than 250 µm. This optical...
View ArticleResearchers demonstrate a 100x increase in the amount of information that can...
The rise of big data and advances in information technology has serious implications for our ability to deliver sufficient bandwidth to meet the growing demand.
View ArticleGraphene based optoelectronics
As an important step towards graphene integration in silicon photonics, researchers from the Graphene Flagship have published a paper which shows how graphene can provide a simple solution for silicon...
View ArticleNew detector overcomes key challenge in using light for wireless communications
Today's high-speed wired communication networks use lasers to carry information through optical fibers, but wireless networks are currently based on radio frequencies or microwaves. In an advance that...
View ArticleVortex laser offers hope for Moore's Law
Like a whirlpool, a new light-based communication tool carries data in a swift, circular motion.
View ArticleUltracompact photodetector for optical data transmission
Data traffic is growing worldwide. Glass-fiber cables transmit information over long distances at the speed of light. Once they have reached their destination, however, these optical signals have to be...
View ArticleDespite state barriers, cities push to expand high-speed internet
Websites take minutes to load and photos take hours to upload at Ryan Davis' home in the small southern Tennessee city of Dayton. If Davis gets in his car and drives about half an hour south to...
View ArticleQuantum computing a step closer to reality
Physicists at the Australian National University (ANU) have brought quantum computing a step closer to reality by stopping light in a new experiment.
View ArticlePaving the way for fast low-energy data communications
Fibre-optic cables are revolutionising data communication worldwide. Within three years, Chalmers researchers expect to be able to transfer 100 Gb of data per second in a single fibre with one core,...
View ArticleEarth-bound instrument analyzes light from planets circling distant stars
A team of scientists and engineers led by Princeton researchers recently reported the successful operation of a new instrument for the Subaru Telescope in Hawaii that will allow astronomers to make...
View ArticleScientists develop new metasurfaces for deep UV-imaging
Russian researchers have developed a new material that converts infrared light to ultrashort pulses of ultraviolet. For this purpose, the scientists exposed silicon film to a laser so that its relief...
View ArticleHighest core density realized with 12-core single-mode optical fiber
Enterprise networks and data centers continue to increase their demands for connectivity, with ever larger quantities of data expected to be transmitted in the foreseeable future. Over the past 20...
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