Slashdot Mirror

← Back to Stories (view on slashdot.org)

Using the Terahertz Spectrum for Wireless Communication

Posted by CowboyNeal on from the kicking-it-up-a-notch dept.

holy_calamity writes "A first step to allowing wireless data transfer over a currently unused part of the electromagnetic spectrum is reported in New Scientist. Terahertz radiation exists between radio and infrared. A new filter created at the University of Utah can filter out particular frequencies, a prerequisite for using it for data. The abstract of the paper in the journal Nature is freely available."

5 of 134 comments (clear)

  1. Re:It might just take a while by FMota91 · · Score: 1, Insightful

    Well, if Internet speeds keep getting better (which I'm sure they will), this could be used to make a faster Wi-Fi router. It shouldn't be too difficult in a few years. Amirite?

    Admittedly, I don't know if I am.

    --
    09 F9 11 02 9D 74 E3 5B D8 41 56 C5 63 56 88 C1 bottles of beer on the wall. Take one down, pass it round... Oh, umm...
  2. Re:It might just take a while by evilviper · · Score: 4, Insightful

    There is also the slight problem of water absorption of the signal [...] so communication would have to be rather short-haul as in LAN.

    Which is EXACTLY what TFA said...

    But hey, what do I know, your post is a +5, so it must be somehow insightful, not 100% redundant.
    --
    Slashdot gets worse every day... Pipedot: News for nerds, without the corporate slant
  3. Re:Optical... by Short+Circuit · · Score: 2, Insightful

    Once you get close to the frequency of infrared light... Why not just make the jump, and go with light instead? Perhaps because there aren't many known ways to tune the frequency of visible-spectrum EM emissions at rates which make using that part of the spectrum in that manner effective?

    Terahertz research would seem to me to be a step in that direction, by bringing existing EM modulation techniques closer to that spectrum.

    And, in the end, we're not going to want to stop there. We're going to eventually want to extend application of understood techniques to the UV bands and beyond.

    It may not be effective for communicating in atmosphere, but it'll eventually be a great high-bandwidth solution for intercraft and interplanetary communications. The smaller you can make the parabolic dish, the easier it becomes to effectively focus the signal.
    --
    tasks(723) drafts(105) languages(484) examples(29106)
  4. Re:It might just take a while by DarkAxi0m · · Score: 2, Insightful

    Ooo my bad, looks like Google was lying to me so would be his friend.

    guess i should read things before i reach for the Ctrl-C Ctrl-V

  5. Re:Hmm, by cyphercell · · Score: 3, Insightful
    Actually, screw names, I'm going to the patent office!

    Patents!!!

    P.S. - Mod me insightful.

    --
    Under the influence of Post-Cyberpunk Gonzo Journalism