Which phenomenon limits data transfer rates when electromagnetic waves propagate through fiber optic cables extended over long distance?

💡 Explanation

When waves transmit over long fiber lengths, chromatic dispersion occurs because different wavelengths travel at slightly different speeds, causing pulse broadening, which then limits data rates due to inter-symbol interference. Therefore, pulse broadening limits the rate, rather than attenuation from polarization, scattering affecting coherence, or interference from reflections which are less dominant.

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