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improve the speed of the internet by a factor of 1000

Discussion in 'The Lounge' started by BranndonC, May 8, 2006.

  1. BranndonC

    BranndonC 3/4 ton status

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    http://www.smh.com.au/news/technolo...-speed-of-light/2006/05/08/1146940441025.html


    Australian scientists believe they are on the verge of a breakthrough in optical circuitry that may improve the speed of the internet by a factor of 1000.
    The Centre for Ultrahigh bandwidth Devices for Optical Systems, a research consortium of five universities, is trying to create a photonic chip that processes optical signals free of slow, silicon electronics.
    Optical-signal processing allows unprecedented bandwidth - one optical fibre has a capacity of hundreds of terabits a second. At this speed, a high-definition movie could be downloaded in a fraction of a second, rather than the hours it takes with current technology.
    Today, our international internet links are bedevilled by unavoidable lag - the time it takes for data to travel from the US to a user's PC in Australia.
    For most of its journey, the data travels at the speed of light along optical fibres. But each time the information stream is switched, amplified, reprocessed or regenerated, it requires silicon-based electronics, which are much slower.
    These bottlenecks stand in the way of a 1000-fold increase in the practical speed of the internet, the centre's researchers say. But they could be removed with optical computing, which uses light to switch light, without electronic interference.
    Research director Ben Eggleton says the centre's program has four strands: a "regenerator" that reproduces an optical signal without electronics; a switch that uses a light signal to direct another light signal; optical buffers to slow light pulses, making them easier to handle; and three-dimensional photonic circuits.
    The centre's participants at Sydney University and the Australian National University are about a month away from demonstrating an optical switch, he says. (The centre's other members are Macquarie University, University of Technology Sydney, and Swinburne University of Technology.)
    Although scientists around the world work on the same problem, Professor Eggleton says the centre takes a unique approach.
    It is working with a soft glass called chalcogenide, which changes its refracting properties when hit by high-intensity pulses of light - becoming a basic switch. The glass switches at very low powers, which makes it easier to work with and promises more practical applications.
    Chalcogenide can also be printed, to create circuits. Scientists created "band gap" structures within the glass - patterns of tiny holes that further control the light beams. Professor Eggleton says this band gap could be the photonic equivalent of the basic unit of electronics - the semi-conductor.
    "The band gap allows light to be moved in a particular direction. It allows us to make circuitry," he says. "So we have a very compact, low-power optical switch that can be incorporated into an optical circuit, which can be made using basic lithography (circuit printing)."
    Other optical switches have been demonstrated using silicon, but the use of glass should allow much higher speeds.
    The team hopes to demonstrate its first optical switch within the next few months. This would be an early step in creating a practical photonic circuit.
    Such a circuit would dramatically improve the speed of data-flow around the world.
    "The aim is to do more and more signal processing optically," Professor Eggleton says.
    A beam of light is much faster and more agile than an electronic current. "Electronics relies on electrons moving through semi-conducters and that has a real, inherent speed limit," Professor Eggleton says.
    "Photonics could be used in telecommunications or even in computing technology."
    THE PHOTONIC CHIP
    1 Optical data signals (light pulses) enter the chip via glass fibres thinner than a human hair. They are squeezed to fit the optical circuitry.
    2 A switch, controlled by light, rapidly combines packets of optical data.
    3 Integrated components act on the light, for instance changing its colour from blue to red, amplifying or delaying the signals.
    4 The prism-like structure allows some colour data channels to be dropped while other channels are added for the next leg of the trip.
     
  2. mudhog

    mudhog THEGAME Staff Member Super Moderator

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    very interesting. i hope they do it and get it on the market fast:bow: :bow:
     
  3. TSGB

    TSGB 1 ton status

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    Wicked!
     
  4. chevyfumes

    chevyfumes Court jester

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    Watch for the muzzleflash!
    Well if they do it,then wouldn't fast be the objective???
     
  5. surpip

    surpip 1 ton status

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    so its like super fiber optics
     
  6. pauly383

    pauly383 Daddy383 Staff Member Moderator

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    All they really need to do to make the internet faster is take the computers away from the idiots .

    That would free up a ****load of bandwidth .

    Also remove the teenage kids who don't realize all the "cool" sites they go to on momma PC , install crap that waste bandwidth all day emailling me and everyone else at my damn work email account and make my connection to Ck5 slow at work . I don't want no damn viagra , how did you get my email anyway ....... from momma PC , damn spyware :thumb:
     
  7. Jagged

    Jagged 1 ton status

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    There ya go... you need a bandwidth license. Want more bandwidth, take the "im not an internewb" test.
     
  8. cbbr

    cbbr 1 ton status GMOTM Winner

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    Wonder what the monthly charge will be for that.:eek1:
     
  9. Desert Rat

    Desert Rat Fetch the comfy chair

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    Is this the same guys who invented an engine that runs on water? :D
     
  10. chevyin

    chevyin 1/2 ton status

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    Yet another major technological advancement made by Al Gore.
     
  11. grimjaw

    grimjaw 1/2 ton status

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    I thought this was going to be a post on IPv6. Oh Well....
     
  12. Jagged

    Jagged 1 ton status

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    No, IPv6 just lets more stupid people use the internewb.
     

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