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
0
5
Optical coherence tomography (OCT) is a light-based imaging technique currently used in clinical diagnostics to examine organs in vivo. The technique uses interferometry; in which light reflected from an examined object combines ...
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 gyroscopes and accelerometers, ...
Optics & Photonics
Aug 7, 2017
0
238
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
Precision time signals sent through the Global Positioning System (GPS) synchronize cellphone calls, time-stamp financial transactions, and support safe travel by aircraft, ship, train and car.
Telecom
Sep 8, 2016
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8
Electrical engineers have broken key barriers that limit the distance information can travel in fiber optic cables and still be accurately deciphered by a receiver. Photonics researchers at the University of California, San ...
Optics & Photonics
Jun 25, 2015
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4325
Extension of cable-based telecommunication networks requires high investments in both conurbations and rural areas. Broadband data transmission via radio relay links might help to cross rivers, motorways or nature protection ...
Optics & Photonics
Oct 14, 2013
1
0
Quantum physics concerns a world of infinitely small things. But for years, researchers from the University of Geneva (UNIGE), Switzerland, have been attempting to observe the properties of quantum physics on a larger scale, ...
Quantum Physics
Jul 25, 2013
5
1
As rapidly increasing demand for bandwidth strains the Internet's capacity, a team of engineers has devised a new fiber optic technology that promises to increase bandwidth dramatically. The new technology could enable Internet ...
Optics & Photonics
Jun 27, 2013
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0
An Israeli committee has chosen a consortium led by Swedish company ViaEuropa to build a nationwide high-speed broadband network.
Telecom
Jun 17, 2013
0
0
