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← TechnologyWhich distortion results when combined wavelengths exhibit phase-related rate disparities within a dense wavelength division multiplexing fiber optic system?
A)Chromatic dispersion increase
B)Four-wave mixing degradation✓
C)Polarization mode scattering
D)Stimulated Brillouin amplification
💡 Explanation
Four-wave mixing causes new frequencies that interfere with the original channels through the Kerr effect, because channel spacing is insufficient; therefore, signal integrity decreases, rather than chromatic dispersion which broadens pulses uniformly.
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