News tagged with optical data transmission
NTT develops current-injection photonic-crystal laser
Nippon Telegraph and Telephone Corporation has developed an current-injection photonic-crystal laser with ultralow power consumption that can be applied to off-chip and on-chip optical data transmission for ...
Feb 14, 2012 |
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How long do electrons live in graphene?
Together with international colleagues, scientists from the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) have added another important component towards understanding the material graphene; a material that is ...
Dec 12, 2011 |
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Using nanophotonics to reshape on-chip computer data transmission
A team at Stanford's School of Engineering has demonstrated an ultrafast nanoscale light emitting diode (LED) that is orders of magnitude lower in power consumption than today's laser-based systems and able ...
Nov 15, 2011 |
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Using photons to manage data
Managing light to carry computer data, such as text, audio and video, is possible today with laser light beams that are guided along a fibre-optic cable. These waves consist of countless billions of photons, ...
Nov 02, 2011 |
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Spin lasers in the fast lane: New concept for ultrafast lasers developed
Electrical engineers in Bochum, Germany, have succeeded in developing a new concept for ultrafast semiconductor lasers. The researchers make clever use of the intrinsic angular momentum of electrons, called spin, to successfully ...
Oct 28, 2011 |
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The rate of data transmission over plastic optical fibers can be increased by controlling modal dispersion
Plastic optical fibers offer a more efficient method of data transmission in telecommunications. While glass optical fibers allow very high data rates to be transmitted, they are expensive and difficult to ...
Oct 28, 2011 |
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New hybrid technology could bring 'quantum information systems'
(PhysOrg.com) -- The merging of two technologies under development - plasmonics and nanophotonics - is promising the emergence of new "quantum information systems" far more powerful than today's computers.
Oct 27, 2011 |
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Rainbow-trapping scientist now strives to slow light waves even further
An electrical engineer at the University at Buffalo, who previously demonstrated experimentally the "rainbow trapping effect" -- a phenomenon that could boost optical data storage and communications -- is ...
Apr 12, 2011 |
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Japanese researchers succeed in quantum cryptographic key distribution from single-photon emitter at 50 km
Institute for Nano Quantum Information Electronics, The University of Tokyo, Fujitsu, and NEC Corp. today announced that they have achieved quantum cryptographic key distribution at a world-record distance ...
Sep 10, 2010 |
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Scientists develop device to enable improved global data transmission
Researchers have developed a new data transmission system that could substantially improve the transmission capacity and energy efficiency of the world's optical communication networks.
Sep 07, 2010 |
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High-performance microring resonator developed by INRS researchers
A new, more efficient low-cost microring resonator for high speed telecommunications systems has been developed and tested by Professor Roberto Morandotti's INRS team in collaboration with Canadian, American, and Australian ...
Feb 09, 2010 |
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Time Lens Speeds Up Optical Data Transmission
(PhysOrg.com) -- Researchers at Cornell University have developed a device called a "time lens" which is a silicon device for speeding up optical data. The basic components of this device are an optical-fiber ...
Sep 28, 2009 |
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Kenya gets undersea broadband fibre optic cable
An undersea fibre optic cable bringing broadband Internet connectivity to east Africa, reached the Kenyan coast from the United Arab Emirates on Friday, the president said.
Jun 12, 2009 |
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