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← ScienceWhich phenomenon diminishes signal strength through anisotropic photonic crystal fibers?
A)Polarization Mode Dispersion✓
B)Chromatic Group Velocity Effect
C)Brillioun Scattering Amplification
D)Four Wave Mixing Cascade
💡 Explanation
Signal degradation increases because **Polarization Mode Dispersion** splits light into orthogonal polarization states, which travel at different speeds down the fiber. Therefore, pulse broadening lowers receiver sensitivity, rather than chromatic dispersion or nonlinear effects in isotropic scenarios.
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