Twenty Thousands Leagues inside the Optical Fiber

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

Transcript

1. Twenty Thousands Leagues inside the Optical Fiber
3. TELL ME … DO YOU EVEN?
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
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