Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Twenty Thousands Leagues inside the Optical Fiber

Twenty Thousands Leagues inside the Optical Fiber

Presented at O'Reilly Velocity Conference 2015 (Santa Clara, New York)

Ariya Hidayat

October 13, 2015
Tweet

More Decks by Ariya Hidayat

Other Decks in Technology

Transcript

  1. Twenty Thousands Leagues
    inside the Optical Fiber

    View Slide

  2. View Slide

  3. TELL ME … DO YOU EVEN?

    View Slide

  4. View Slide

  5. RFC 1149: A Standard for the Transmission of IP Datagrams on Avian Carriers

    View Slide

  6. Semaphore Fire beacons Smoke signals

    View Slide

  7. Heliograph
    Transmitter
    Receiver

    View Slide

  8. Photophone

    View Slide

  9. Only straight line Lossy medium

    View Slide

  10. LASER = Amazing

    View Slide

  11. Monochromatic Coherent

    View Slide

  12. Fiber Optic

    View Slide

  13. Jacket: 400 µm
    Buffer: 250 µm
    Cladding: 125 µm
    Core: 8 µm

    View Slide

  14. Total Internal Reflection
    Cladding n = 1.44681
    Core n = 1.45205
    Attenuation (at 1550 nm) ~ 0.2 dB/km
    1% remaining power after 62 miles

    View Slide

  15. View Slide

  16. View Slide

  17. 3.2 Tb/s
    2 routes (north, south)
    4 fiber pairs
    40 channels of 10 Gb/s each
    http://commons.wikimedia.org/wiki/File:Map_TAT-14.png by Alexrk2 CC-BY-SA-3.0

    View Slide

  18. In One Second
    3.2 Tb/s
    8 Blueray discs

    View Slide

  19. Modulations
    Frequency-shift Keying (FSK)
    Amplitude-shift Keying (ASK)
    Phase-shift Keying (PSK)

    View Slide

  20. Wavelength-Division Multiplexing
    MUX
    Single fiber
    DEMUX
    100 GHz channel spacing ~ 1550 nm
    40 channels

    View Slide

  21. Optical Impairments
    Chromatic Dispersion
    Polarization Mode Dispersion
    Cross Phase Modulation
    Four-Wave Mixing
    Polarization Dependent Loss

    View Slide

  22. 10 Gb/s
    100 Gb/s
    200 Gb/s
    31 Tb/s over 7,200 km
    155 channels × 200 Gb/s
    TAT-14: 0.4 Tb/s over 9,600 km
    40 channels × 10 Gb/s
    7.2 Tb/s over 6,500 km
    80 channels × 100 Gb/s
    New fiber type
    255 Tb/s over 1 km
    50 channels × 5.1 Tb/s

    View Slide

  23. “If I have seen further
    it is by standing on the shoulders of giants.”
    Isaac Newton

    View Slide