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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
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  1. Twenty Thousands Leagues inside the Optical Fiber

  2. None
  3. TELL ME … DO YOU EVEN?

  4. None
  5. RFC 1149: A Standard for the Transmission of IP Datagrams

    on Avian Carriers
  6. Semaphore Fire beacons Smoke signals

  7. Heliograph Transmitter Receiver

  8. Photophone

  9. Only straight line Lossy medium

  10. LASER = Amazing

  11. Monochromatic Coherent

  12. Fiber Optic

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

    8 µm
  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
  15. None
  16. None
  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
  18. In One Second 3.2 Tb/s 8 Blueray discs

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

  20. Wavelength-Division Multiplexing MUX Single fiber DEMUX 100 GHz channel spacing

    ~ 1550 nm 40 channels
  21. Optical Impairments Chromatic Dispersion Polarization Mode Dispersion Cross Phase Modulation

    Four-Wave Mixing Polarization Dependent Loss
  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
  23. “If I have seen further it is by standing on

    the shoulders of giants.” Isaac Newton