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BANDWIDTH

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    • November 1, 2015 at 12:38 am #27312
      prakash jat
      Participant

      what is the the maximum data rate achieved in today world ?

    • November 1, 2015 at 7:59 am #27316
      alistu
      Participant

      Hi Prakash,

      The performance of an optical system is evaluated by considering both data rate and transmission distance, by multiplying these factors together to get “bitrate-distance product”. A while ago, NEC managed to experimentally transmit 1.05 Petabits/sec over 55 kilometers. I haven’t found better performance even in experimental cases.

      Regards

      • November 2, 2015 at 7:21 am #27345
        Alessandro Festa
        Participant

        Wow, 1Petabit is a lot! Do you have any reference for this achievement?

        Thanks,

        Alessandro

        • November 2, 2015 at 7:42 am #27347
          alistu
          Participant

          Indeed it is! You can read about it at http://optics.org/news/4/1/29 . Also, I think the ECOC coference paper can also be found. But it is worth mentioning that this has been done three years ago and I think we should expect a greater experimental performance in terms of bitrate-distance now.

          Regards

    • November 1, 2015 at 10:10 am #27325
      prakash jat
      Participant

      thanks alistu , i satisfied

    • November 1, 2015 at 10:30 am #27327
      MHD NA
      Participant

      BLP=50×10^3 Gbps.Km

    • November 1, 2015 at 12:53 pm #27329
      prakash jat
      Participant

      hi mhd
      could you tell me which organization get this BLP=50×10^3 Gbps.Km

    • November 2, 2015 at 2:55 am #27333
      Dr. Dhiman Kakati
      Participant

      Dear prakash, you may find this helpful https://en.wikipedia.org/wiki/Fiber-optic_communication. please see the attached image.

      Regards

      • November 2, 2015 at 7:03 am #27343
        alistu
        Participant

        Thank you Dhiman. I was not accurate when I said 55km. Also, thanks to the link I realized I am not sure anymore about that being the highest bit-rate-distance ever achieved, as it belongs to 3 years ago. Nowadays with the emerging SDM technology and multicore fibers, the bitrate-distance has probably exceeded that value.

    • November 2, 2015 at 11:02 am #27363
      Dr. Dhiman Kakati
      Participant

      Yes agree to you Alistu, because these are the officially announced information, there will be higher bit rate that is under construction.

      Regards

    • November 4, 2015 at 12:01 am #27402
      prakash jat
      Participant

      thanks dhiman

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