Fujitsu develops high-performance distortion-compensation circuit
Fujitsu announced their development of a digital signal processing algorithm to compensate for waveform distortions in signals transmitted by fiber-optic cables in long-haul transmission systems of 100 km ...
Phone service finally penetrates New York Subway
New York's antiquated subway system finally entered the cell phone age Tuesday, but the surprise sight of signal bars popping up on screens didn't please all the Big Apple's harried commuters.
Optical fiber transmission quality can now be tested without the need to take measurements at both ends
Light traveling in an optical fiber loses power over distance. A number of factors are responsible for this power loss, but one that is particularly important at high data rates is the loss that occurs due to changes in light ...
Photonic neuron may compute a billion times faster than brain circuits
(PhysOrg.com) -- The name of the project -- "photonic neuron" -- was catchy enough, but what really caught Mitchell Nahmias' attention was the opportunity to combine his interests in engineering and neuroscience.
Cuba reports 16 percent online in some capacity
(AP) -- About 16 percent of Cubans are online in some capacity with access to email, the island's intranet or the worldwide Web, a government agency says.
Havana's small community of Twitterati meets IRL
(AP) -- A few dozen members of Cuba's small but growing Twitter community have met in real space for the first time. They got to put unfamiliar faces with familiar user names, and they commiserated about ...
New material promises faster electronics
The novel material graphene makes faster electronics possible. Scientists at the Faculty of Electrical Engineering and Information Technology at the Vienna University of Technology (TU Vienna) developed light-detectors ...
Google to expand ultra-fast broadband to KC, Mo.
More than a month after Kansas City, Kan., announced it would be the first place to get Google's ultra-fast broadband service, Kansas City, Mo., leaders declared their city the envy of the entire world after the search engine ...
Physics could help financial traders
Cuban asks Obama, Google chief for free Internet
Cuban folk star Silvio Rodriguez urged US President Barack Obama and Google CEO Eric Schmidt on Monday to provide free Internet to developing countries.
National Semiconductor demonstrates 28 gbps data center technology
National Semiconductor Corp. today announced it has achieved a breakthrough in high-speed signal conditioning by becoming the first company to successfully demonstrate 28 Gbps discrete quad-channel retimer technology with ...
Physicists break color barrier for sending, receiving photons
University of Oregon scientists have invented a method to change the color of single photons in a fiber optic cable. The laser-tweaked feat could be a quantum step forward for transferring and receiving high ...
Intel Milestone Confirms Light Beams Can Replace Electronic Signals for Future Computers
(PhysOrg.com) -- Intel today announced an important advance in the quest to use light beams to replace the use of electrons to carry data in and around computers.
Heavy metal glass helps light go the distance
The fiber optic cable networks linking the world are an essential part of modern life. To keep up with ever-increasing demands for more bandwidth, scientists are working to improve the optical amplifiers that boost fiber ...