Scientists at Tokyo Institute of Technology have fabricated a multiplexer/demultiplexer module based on a property of light that was not being exploited in communications systems: the optical vortex. Such devices will be ...
Internet
Mar 8, 2019
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5
Only a couple of months after they were installed in 2016, New York City decided to cut off internet access to a series of "smart city" kiosks it built to replace old telephone booths after homeless people monopolized them ...
Internet
Sep 6, 2018
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5
A group of scientists led by Prof. Zhang Qiang and Pan Jianwei from the University of Science and Technology of China (USTC) have successfully demonstrated entanglement swapping with two independent sources 12.5 km apart ...
Optics & Photonics
Oct 12, 2017
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16
Kentucky's plan to build one of the country's largest publicly owned broadband networks was touted as a cornerstone of the effort to save the Appalachian economy by bringing high-speed internet to some of the poorest counties ...
Telecom
Oct 1, 2017
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6
Researchers are on the lookout for rapid, reliable and affordable switches for the opto-electronics of the future. An Empa team now presents a potential solution: dye droplets measuring just a few sub-micrometers in diameter.
Optics & Photonics
Aug 16, 2017
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4
A massive cyberattack that took down government websites in Venezuela earlier this week also has left seven million mobile phone users without service, the government said Thursday.
Telecom
Aug 10, 2017
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32
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 research highlights the ...
Optics & Photonics
Apr 19, 2017
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5
Imagine a dim light which is insufficiently bright enough to illuminate a room. An amplifier for such a light would increase the brightness by increasing the number of photons emitted. Photonics researchers have created such ...
Telecom
Jan 5, 2017
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7
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 Chattanooga, though, everything ...
Telecom
Sep 23, 2016
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10
The latest supercomputers and large-scale observatories like the Large Hadron Collider have the power to support unprecedented breakthroughs in astrophysics, genomics, climate science and scores of other fields.
Telecom
Jun 21, 2016
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