Y
Photonic Systems, Inc.
EIA 20524-
www.photonicsinc.com
100
50
20
10
5
2
1
0.5
0.2
0.1
0.05
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
Wavelength (mm)
Fiber Attenuation (dB/km)
OH- Absorption
Peaks
Infrared
Absorption
Tail from
Lattice
Transitions
Sources
Detectors
InGaAsP
Ge
InGaAs
AlGaAs
Si
Red
(Visible)
0.85
1.30
1.55
Optical Fiber Propagation Properties
Rayleigh Scattering
2002: Lucent’s Metro-optimized “AllWave” fiber
5
Zero-dispersion wavelengths: single-mode fiber can support BW•length > 100 GHz•km at these wavelengths