Chromatic Distortion is caused by Dispersion and Non-Linearities#, that is the spreading of the signal over distance. In #networking, it can cause signals to interfere with each other.
Chromatic Distortion
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Fibre-Optic Cable
Although it still faces possible degradation as the light travel down in the fibre, the deterioration is usually less than its copper counterpart. There are primarily four form of deterioration for the light pulse: attenuation#, dispersion and non-linearities#, chromatic distortion#, and polarisation or mode distortion#.