Oh, yeah... [?][?][?][?] On Fri, Jul 30, 2010 at 12:00 PM, Mr. Worf <hellomahog...@gmail.com> wrote:
> > > Intel creates first silicon-based optical data connection with transmission > rates up to 50Gbps > > By Darren Quick <http://www.gizmag.com/author/darren-quick/> > > *23:13 July 29, 2010* > > 4 > Pictures<http://www.gizmag.com/first-silicon-based-optical-data-connection/15888/picture/118624/> > [image: Intel engineer, Dr. Mario Paniccia, holds the thin optical fiber > used to carry data from > o...]<http://www.gizmag.com/first-silicon-based-optical-data-connection/15888/picture/118624/> > > Intel engineer, Dr. Mario Paniccia, holds the thin optical fiber used to > carry data from one end of the 50G Silicon Photonics Link to the other > *Image > Gallery<http://www.gizmag.com/first-silicon-based-optical-data-connection/15888/picture/118624/>(4 > images) > * > Fast Optical > 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Molding & Soft Tooling > Ads by > Google<http://www.google.com/url?ct=abg&q=https://www.google.com/adsense/support/bin/request.py%3Fcontact%3Dabg_afc%26url%3Dhttp://www.gizmag.com/first-silicon-based-optical-data-connection/15888/%253Futm_source%253DGizmag%252BSubscribers%2526utm_campaign%253Dff88a5c465-UA-2235360-4%2526utm_medium%253Demail%26hl%3Den%26client%3Dca-pub-1607124478120364%26adU%3DGlimmerglass.com/Optical-Switch%26adT%3DFast%2BOptical%2BSwitch%26adU%3Dwww.crystaltechnology.com%26adT%3DCrystal%2BTechnology,%2BInc.%26adU%3Dwww.Dell.com%26adT%3DMigrate%2Bfrom%2BRISC%26adU%3Dwww.padtinc.com/rm%26adT%3DHigher%2BQuality%2BProtoyping%26gl%3DUS&usg=AFQjCNF93oHhRf54zO5JAhkYBa2UVwZSyg> > > Today’s computer components are connected to each other using copper cables > or traces on circuit boards. Due to the signal degradation that comes with > using metals such as copper to transmit data, these cables have a limited > maximum length. This limits the design of computers, forcing processors, > memory and other components to be placed just inches from each other. Intel > has announced an important breakthrough that could see light beams replace > the use of electrons to carry data in and around computers, enabling data to > move over much longer distances and at speeds many times faster than today’s > copper technology. > > The company has developed a research prototype it says represents the > world’s first silicon-based optical data connection with integrated lasers. > The link can move data at speeds of up to 50 gigabits per second – that’s > the equivalent of an entire HD movie being transmitted each second. The > achievement is another step toward replacing metal connections with > extremely thin and light optical fibers that could radically change the way > computers of the future are designed and alter the way the datacenter of > tomorrow is built. > <http://www.gizmag.com/first-silicon-based-optical-data-connection/15888/picture/118622/> > Future applications > > Silicon photonics is expected to have applications across the computing > industry. Intel says the data rates possible with the technology could > enable wall-sized 3D displays for home entertainment and videoconferencing > with resolutions so high that the actors or family members appear to be in > the room with you. > > The company also imagines tomorrow’s datacenter or supercomputer may see > components spread throughout a building or even an entire campus, > communicating with each other at high speed, as opposed to being confined by > heavy copper cables with limited capacity and reach. This will allow > datacenter users, such as a search engine company, cloud computing provider > or financial datacenter, to increase performance, capabilities and save > significant costs in space and energy, or help scientists build more > powerful supercomputers to solve the world's biggest problems. > 50Gbps “concept vehicle” > > While telecommunications and other applications already use lasers to > transmit information, current technologies are too expensive and bulky to be > used for PC applications. > > Justin Rattner, Intel chief technology officer and director of Intel Labs, > demonstrated the Silicon Photonics Link at the Integrated Photonics Research > conference in Monterey, Calif. The 50Gbps link is akin to a "concept > vehicle" that allows Intel researchers to test new ideas and continue the > company's quest to develop technologies that transmit data over optical > fibers, using light beams from low cost and easy to make silicon, instead of > costly and hard to make devices using exotic materials like gallium arsenide > – a material used in the recent development of a device that can be used > as an optical > switch<http://www.gizmag.com/terahertz-speed-signal-processor/15760/> > . > > "This achievement of the world's first 50Gbps silicon photonics link with > integrated hybrid silicon lasers marks a significant achievement in our long > term vision of ‘siliconizing' photonics and bringing high bandwidth, low > cost optical communications in and around future PCs, servers, and consumer > devices" Rattner said. > Prototype components > > The 50Gbps Silicon Photonics Link prototype is composed of a silicon > transmitter and a receiver chip, each integrating all the necessary building > blocks from previous Intel breakthroughs including the first Hybrid Silicon > Laser co-developed with the University of California at Santa Barbara in > 2006 as well as high-speed optical modulators and photodetectors announced > in 2007. > <http://www.gizmag.com/first-silicon-based-optical-data-connection/15888/picture/118621/> > > The transmitter chip is composed of four such lasers, whose light beams > each travel into an optical modulator that encodes data onto them at > 12.5Gbps. The four beams are then combined and output to a single optical > fiber for a total data rate of 50Gbps. At the other end of the link, the > receiver chip separates the four optical beams and directs them into photo > detectors, which convert data back into electrical signals. > > Both chips are assembled using low-cost manufacturing techniques familiar > to the semiconductor industry. Intel > <http://www.intel.com/index.htm>researchers are already working to increase > the data rate by scaling the > modulator speed as well as increase the number of lasers per chip, providing > a path to future terabit/s optical links – rates fast enough to transfer a > copy of the entire contents of a typical laptop in one second. > > > -- > Celebrating 10 years of bringing diversity to perversity! > Mahogany at: http://groups.yahoo.com/group/mahogany_pleasures_of_darkness/ > > -- "If all the world's a stage and we are merely players, who the bloody hell wrote the script?" -- Charles E Grant http://www.youtube.com/watch?v=fQUxw9aUVik
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