1. Welcome to TechPowerUp Forums, Guest! Please check out our forum guidelines for info related to our community.

[Physics News] All Optical Transistors

Discussion in 'Science & Technology' started by Kreij, May 7, 2011.

  1. Kreij

    Kreij Senior Monkey Moderator Staff Member

    Joined:
    Feb 6, 2007
    Messages:
    13,881 (3.98/day)
    Thanks Received:
    5,632
    Location:
    Cheeseland (Wisconsin, USA)
    Scientific researchers in Berlin have proposed (verified numerically) a method for using optical pulses to change the intensity of other optical pulses by interacting with each other at an optical event horizon.
    Optical switching is typically done in a "mechanical" way by changing the properties of the fiber medium.
    Performing the switching optically usually requires a very strong control pulse (as colliding pulses do not change much), but the new proposed method states it can be done with a control pulse that is 7 times weaker than the central wavelength.
    The proposal meets the requirements set forth for an useful, all optical transistor, which could lead to purely optical circuits.

    You can read their proposal The American Physical Society's Website or a summarized write up at Physorg.com

    This proposal was submitted to the APS in November of 2010, and published last month.
     
    Last edited: May 7, 2011
  2. cheesy999

    Joined:
    Jul 2, 2010
    Messages:
    4,028 (1.79/day)
    Thanks Received:
    629
    Location:
    UK
    what sort of power would this give us - i'm pretty sure light lets of less heat then electricity?

    could we theoreticaly have the power of a pc in a smartphone now?
     
  3. Kreij

    Kreij Senior Monkey Moderator Staff Member

    Joined:
    Feb 6, 2007
    Messages:
    13,881 (3.98/day)
    Thanks Received:
    5,632
    Location:
    Cheeseland (Wisconsin, USA)
    I'm not sure about space requirements for optical circuits, but photons move considerably faster than electrons so we would definitely see a speed increase when switching through all optical circuitry.
     
  4. theoneandonlymrk

    theoneandonlymrk

    Joined:
    Mar 10, 2010
    Messages:
    3,747 (1.59/day)
    Thanks Received:
    740
    Location:
    Manchester uk
    a very big one considering the the differences but probably still some way off ,good topic tho id love a 32 core intel optics cpu, they'll probably have an ok gpu attached by then..
     
    More than 25k PPD
  5. cheesy999

    Joined:
    Jul 2, 2010
    Messages:
    4,028 (1.79/day)
    Thanks Received:
    629
    Location:
    UK
    knowing intel the GPU will still be of the kind that struggles to do minesweeper - wouldn't care but because of all these intergrated once's its impossible to even play simple games on any low-mid range laptop - honestly most smart phones have better graphics then those integrated ones :)
     
    Last edited: May 7, 2011
  6. theoneandonlymrk

    theoneandonlymrk

    Joined:
    Mar 10, 2010
    Messages:
    3,747 (1.59/day)
    Thanks Received:
    740
    Location:
    Manchester uk
    that was sarcasm at the end dude
     
    More than 25k PPD
  7. cheesy999

    Joined:
    Jul 2, 2010
    Messages:
    4,028 (1.79/day)
    Thanks Received:
    629
    Location:
    UK
    i'm just stating the obvious - intel really need a GPU division thats can make something good
     
  8. pantherx12

    pantherx12

    Joined:
    Jan 2, 2009
    Messages:
    9,716 (3.48/day)
    Thanks Received:
    1,699
    Location:
    ENGLAND-LAND-LAND
    Shiz yeah! Give it 20 years and we'll have light based home computers ^_^
     

Currently Active Users Viewing This Thread: 1 (0 members and 1 guest)