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← ScienceWhich risk increases when pulse duration nears waveguide dispersion limit?
A)Inter-symbol interference becomes prominent✓
B)Reduced amplification of signal
C)Excessive heat generation occurs
D)Higher cost of waveguide material
💡 Explanation
Inter-symbol interference increases significantly if waveguide dispersion causes pulse broadening because chromatic dispersion broadens the signal, causing the symbols to overlap; therefore, performance degrades, rather than alternatives linked to impedance or heat.
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