Fujitsu Laboratories announced the development of a four-wavelength integrated silicon laser for optical transceivers that use silicon photonics, a step toward faster data communications between processors.
Engineering
Mar 21, 2013
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Fraunhofer Heinrich Hertz Institute (HHI) and Fujitsu Laboratories Ltd. have achieved locally distributed wavelength-division multiplexing with exactly defined frequency spacing. Four Nyquist-shaped 25-GBd quadrature phase-shift ...
Telecom
Mar 19, 2013
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(Phys.org) —A new NASA-developed, laser-based space communication system will enable higher rates of satellite communications similar in capability to high-speed fiber optic networks on Earth.
Space Exploration
Mar 14, 2013
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New multicore optical fibers have many times the signal-carrying capacity of traditional single-core fibers, but their use in telecommunications has been severely restricted because of the challenge in splicing them together— ...
Telecom
Mar 12, 2013
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Ultrafast supercomputers that operate at speeds 100 times faster than current systems are now one step closer to reality. A team of IBM researchers working on a U.S. Defense Advanced Research Projects Agency (DARPA)-funded ...
Optics & Photonics
Mar 12, 2013
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(Phys.org) —When physics professor Randy Heflin brought his 18-month-old daughter to the pediatrician, he didn't know the visit would provide the motivation for a discovery that could herald a breakthrough in diagnostic ...
Polymers
Mar 5, 2013
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(Phys.org)—Silica microwires are the tiny and as-yet underutilized cousins of optical fibers. If precisely manufactured, however, these hair-like slivers of silica could enable applications and technology not currently ...
Optics & Photonics
Jan 23, 2013
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(Phys.org)—At a time when communication networks are scrambling for ways to transmit more data over limited bandwidth, a type of twisted light wave is gaining new attention. Called an optical vortex or vortex beam, this ...
Optics & Photonics
Jan 8, 2013
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NTT and three partners- Nippon Telegraph and Telephone Corporation, Fujikura Ltd., Hokkaido University, and Technical University of Denmark—demonstrated ultra-large capacity transmission of 1 petabit (1000 terabit) per ...
Telecom
Sep 21, 2012
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The Pentagon plans to install a $40 million fiber optic cable between the US military jail at Guantanamo Bay and the US mainland, a spokesman said Thursday -- an indication the facility will not close anytime soon.
Telecom
Jul 6, 2012
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