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← TechnologyWhich data loss risk increases when chromatic dispersion exceeds compensation capacity in dense wavelength-division multiplexing systems?
A)Reduced signal-to-noise ratio
B)Increased intersymbol interference
C)Higher bit error rate✓
D)Decreased receiver sensitivity
💡 Explanation
Increased chromatic disperson leads to pulse broadening, causing higher bit error rate because energy from one pulse spills into adjacent time slots inducing intersymbol interference. Therefore, the bit error rate worsens, rather than alternatives like merely impairing signal clarity.
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