Which outcome limits the performance of fiber optic communication?

💡 Explanation

Modal dispersion arises because variations in refractive index along the fiber cause different modes of light to interfere destructively during propagation, therefore bandwidth decreases, rather than breakage, reflection or scattering which are distinct effects.

• Which mechanism causes increased noise when amplifiers approach saturation?
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• Which risk increases within the stellar core when helium fusion abruptly accelerates?
• Which consequence results when ferromagnetic transformer cores experience excessive alternating current?
• Which imaging consequence appears when coherence length drops prematurely?
• Which phenomenon minimizes eddy current losses in transformer cores subjected to alternating magnetic fields?