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← ScienceWhich consequence results when turbulence reduces coherence length in telecommunications fiber?
A)Increased modal dispersion occurs
B)Reduced signal-to-noise ratio appears✓
C)Enhanced stimulated Brillouin scattering
D)Polarization mode splitting intensifies
💡 Explanation
Reduced coherence length limits the maximum propagation distance because phase fluctuations induced by thermorefractive turbulence reduce phase coherence; therefore, bit-error-rate worsens by reducing obtainable signal, rather than processes influenced by polarization or scattering at higher powers.
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