Switching 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...
View ArticleMaking the switch to polarization diversity
Vast amounts of data transmit across the Internet and telecommunications networks delivering, for example, real-time video calls from one cell phone to another - across the world. As people send and...
View ArticleResearchers break data transfer efficiency record
Researchers at the Department of Energy's Oak Ridge National Laboratory have set a new record in the transfer of information via superdense coding, a process by which the properties of particles like...
View ArticleResearch opens door to smaller, cheaper, more agile communications tech
Research led by ANU on the use of magnets to steer light has opened the door to new communications systems which could be smaller, cheaper and more agile than fibre optics.
View ArticleResearchers use holography to improve nanophotonic circuits
Nanophotonic circuits, tiny chips which filter and steer light, suffer from small random variations which degrade the transmission of light. Researchers have now found a way to compensate those...
View ArticlePlasmonic device offers broadband modulation to optical links at 100Gbit/s
Today's society is growing in population and productivity puts ever higher demands on the Internet, and without scientific developments to provide ways meeting our traffic needs, it will begin to clog....
View ArticleNASA laser communications to provide Orion faster connections
NASA is working to forever change the way astronauts communicate to and from space using an advanced laser communications system called LEMNOS, which will enable exponentially faster connections than...
View ArticleSimultaneously simulating electrical and optical input achieves unprecedented...
A key interface component between electronic and light-based circuits receives a boost in performance through A*STAR research that combines previously independent simulations of the two systems. This...
View ArticleOptical communication at record-high speed via soliton frequency combs...
Optical solitons are special wave packages that propagate without changing their shape. In optical communications, solitons can be used for generating frequency combs with various spectral lines, which...
View ArticleAtomic cousins team up in early quantum networking node
Large-scale quantum computers, which are an active pursuit of many university labs and tech giants, remain years away. But that hasn't stopped some scientists from thinking ahead, to a time when...
View ArticleNew technique to suppress sound waves from disorder to improve optical fiber...
Energy loss due to scattering from material defects is known to set limits on the performance of nearly all technologies that we employ for communications, timing, and navigation. In micro-mechanical...
View ArticleLight to break bandwidth ceiling
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 ArticleLens trick doubles odds for quantum interaction
It's not easy to bounce a single particle of light off a single atom that is less than a billionth of a metre wide. However, researchers at the Centre for Quantum Technologies at the National...
View ArticleSecure information transmission over 500m fiber links based on quantum...
Quantum secret communication realizes secure information transmission-based on quantum principles. At present, the most developed quantum secret communication schemes are-based on quantum key...
View ArticleHigh-speed communication systems based on ultraviolet radiation
Military and civil authorities could benefit from secure optical communication systems that use light to carry messages between moving vehicles. Researchers at KAUST have now demonstrated rapid data...
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