(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 are large enough to ...
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 optoelectronic microprocessor, ...
Engineering
Dec 28, 2015
0
18
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 problem that potentially ...
Telecom
Dec 21, 2015
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77
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 match those speeds—plus ...
Space Exploration
Oct 23, 2015
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1071
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 across an unprecedented ...
Space Exploration
Oct 14, 2015
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24
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 Scientific Reports ...
Optics & Photonics
Oct 6, 2015
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1237
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 even faster optical ...
Nanophysics
Oct 5, 2015
0
68
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 proximity to each other.
Space Exploration
Oct 2, 2015
0
35
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 screening, surveillance, ...
Optics & Photonics
Sep 22, 2015
0
1614
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 challenges to be solved ...
Optics & Photonics
Sep 14, 2015
69
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