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Quantum teleportation over 143km smashes distance record

Discussion in 'BlackHat Lounge' started by silentthunder, Sep 7, 2012.

  1. silentthunder

    silentthunder Jr. VIP Jr. VIP Premium Member

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    Quantum teleportation over 143km smashes distance record

    Summary: International researchers say their work paves the way for global quantum communications. Next up: the quantum internet?
    [​IMG]
    By Lucy Sherriff for Qubits and Pieces | September 7, 2012 -- 11:10 GMT (04:10 PDT)


    This month, two major studies on quantum teleportation have made it through peer review and been published, breaking previous distance records. Chinese scientists report teleporting photons over 97km and now a team working in the Canaries report doing the same thing, but between the islands — a distance of over 140km. Both experiments were completed earlier this year and have now been published in Nature.
    The researchers from the Austrian Academy of Sciences, and the University of Vienna, say their work paves the way for global quantum communications.
    Lead scientist Anton Zeilinger said: "Our experiment shows how mature quantum technologies are today and how useful they can be for practical applications. The next step is satellite-based quantum teleportation, which should enable quantum communication on a global scale."
    Quantum teleportation is not a physical process as we would normally understand it. Even calling it 'sending' information is misleading, but language can only do so much.
    Quantum entanglement

    To understand what is going on, first we need to understand entanglement. This is the property that occurs when two or more quantum bits are linked together in such a way that whatever happens to one of them will produce an immediate change in the other. Often, these pairs are made by splitting a single photon into two, creating an entangled pair.
    The idea is that we could use very distant entangled photons to send information over very long distances, securely and instantly, thus building a quantum internet. But making that work is harder than writing it down.
    Generally, quantum communication is run through familiar optical fibre. But in this case, the distance was so great that the signal loss would be "too severe", according to the researchers. Instead, the team used lasers to send photons directly through the atmosphere.
    Xiao-song Ma, one of the scientists involved in the experiment, said: "The realisation of quantum teleportation over a distance of 143km has been a huge technological challenge."
    "An important step for our successful teleportation was a method known as 'active feed-forward', which we have used for the first time in a long-distance experiment. It helped us to double the transfer rate".
    This method involves the researchers in sending conventional data alongside the quantum information, which enables the recipient to decipher the transferred signal more efficiently.
    Zeilinger adds that his research team is now working with colleagues at the Chinese Academy of Sciences to design and develop a quantum satellite mission.


    http://www.zdnet.com/quantum-teleportation-over-143km-smashes-distance-record-7000003883/
     
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  2. steelballs

    steelballs BANNED BANNED

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    Active Feed-Forward

    Xiaosong Ma

    Students
    Zhe Zhang (PhD)
    Feng Ji (PhD)
    Prakash Ramaswamy (MS)
    Divya Dinakar (MS)
    Steve Koonce (part-time MS from IBM)
    SilentThunder - BHW ;)

    http://www4.ncsu.edu/~xma/
     
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  3. silentthunder

    silentthunder Jr. VIP Jr. VIP Premium Member

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    Anyone here besides me think this may be the 21st century equivalent of Alexander Graham Bell's experiments with what became the telephone or Edison's lightbulb?

    "To understand what is going on, first we need to understand entanglement. This is the property that occurs when two or more quantum bits are linked together in such a way that whatever happens to one of them will produce an immediate change in the other."

    and this occurs no matter how far apart the quantum bits are. Linked though distant! [​IMG]

     
  4. imserious

    imserious Senior Member

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    Can you please explain for the technically challenged like me the practical application of this technology and advantage over fibre optic internet.
     
  5. NoirHat

    NoirHat Regular Member

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    yeah and the bits can be LIGHT years apart...let that fuck up your mind for a bit
     
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  6. steelballs

    steelballs BANNED BANNED

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    You cannot be serious can you ImSerious! ;)
     
  7. silentthunder

    silentthunder Jr. VIP Jr. VIP Premium Member

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    Okay, to use your analogy, it's like fiber optics without the need of fiber, light or the time it takes light to travel. Technologies that may occur as a result of this are much, much more powerful telescopes and microscopes, incredibly more powerful, fast and cheap (or free) internet technologies and eventually....teleportation of objects.

    This is Post-Einstein physics. The physics he spent most of his life mentally struggling with because he couldn't accept it. Light need no longer be the limit of space/time. (Listen to silentthunder go on as if he really understands this shit! :p).
     
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    Last edited: Sep 7, 2012
  8. Techxan

    Techxan Elite Member

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    Basically it works like this, you write information on a photon, then you "transport" the photon to another location just like in Star Trek. It disappears from your location, but in fact is destroys itself, that is to say it ceases to exist where you are. At at the exact same instant in time, it re-appears in the new location with the data still intact. There is no time lapse for the traveling, it is instantaneous, unlike in Star Trek.

    This eliminates the need for a physcial transport media like cables, wireless, or fiber.

    A photon can hold a great bit of information. Unlike today's computers which must send info in two forms, either a "1" or "0". a photon has 32 states of the electron that can be used.

    The end result is that a computer would be so much faster that it is not possible for us to imagine. It is not just 32 times faster, it is faster on an exponential basis.

    The simplest quantum computer will be thousands (perhaps hundred of thousands) of times faster than a Cray mainframe supercomputer is now.

    For instance an all day scrapebox run could be done in less than a millisecond. I could send the entire Library of Congress to you in Australia, and it would arrive in your computer before I could take my finger off the mouse button when I clicked send.

    I was impressed that they could even capture a photon and write on it.

    Silent thunder is correct, at some time in the future, if this pans out, when you order car off the internet, it will instantly appear on your transporter pad, even if your transporter pad is on Mars.
     
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    Last edited: Sep 7, 2012
  9. steelballs

    steelballs BANNED BANNED

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    Hi Folks Albert here!

    [​IMG]

    Everything going OK in this BHW Thread by silentthunder?

    :cool: ;)
     
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  10. steelballs

    steelballs BANNED BANNED

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    Guess that must mean very fast then! Coz it would be slower w/o the f**king right!
     
  11. conrulez

    conrulez Power Member

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    Pftt...Forget fast internet...I'll believe this stuff when it allows me to instantly "teleport" my kid to his room for being a buttwad! THAT would be proper use of this technology! :cool:
     
  12. silentthunder

    silentthunder Jr. VIP Jr. VIP Premium Member

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    One of the principles this is based on is that every particle in the universe is touching each other, and is RIGHT NEXT to each other, everywhere throughout infinity, simultaneously.

    Bizzarre right? The kind of stuff you think of when you're high right?

    This was proven mathematically back in the 1910s by Einstein and his mates. Einstein, Rosen & Podolsky. So they called it the E-R-P Effect. Well today is the beginning of it being proved technologically. Its pretty huge.
     
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  13. Techxan

    Techxan Elite Member

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    As in, If huge was a molecule of water, this is the ocean. Note he said Universe.

    Instantaneous interstellar travel is now theoretically actually conceivable.
     
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    Last edited: Sep 7, 2012
  14. SH44tre

    SH44tre Newbie

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    ...And I stopped doing hallucinogens because of thoughts like these...

    I should start again. Get prepared for the future.
     
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  15. Roparadise

    Roparadise BANNED BANNED

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    So a quantum computer could probably solve all the diseases in a few days by protein folding at a rate 100,000x faster then supercomputers can?
     
  16. silentthunder

    silentthunder Jr. VIP Jr. VIP Premium Member

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    Noble thoughts.
    I don't know much about protein folding but hopefully healers outside of western medicine get
    this tech and make a difference because no matter what technology western medicine has it
    remains the bitch of pharmaceutical conglomerates that are threatened by health.
     
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  17. SEOnetic

    SEOnetic Senior Member

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    Where as I am very happy to see improvements in Internet speed. Think of scrapeboxing in1-2 mins. Unfortunately I got mindfucked from the explanations lol. But great share.
     
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  18. Roparadise

    Roparadise BANNED BANNED

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    But won't eastern not like it as well,since it involves modern technology and too much science is involved?
     
  19. silentthunder

    silentthunder Jr. VIP Jr. VIP Premium Member

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    Not really sure mate. One thing for sure. This is waaaay bigger than faster internet speeds.







    [​IMG][​IMG]
     
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  20. foodtrip

    foodtrip Jr. VIP Jr. VIP Premium Member

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    It's mind blowing thinking what applications it can be used. I just hope we are still around to see these cool things happen.
     
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