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← ScienceWhich outcome arises from stressed optical fiber alignment?
A)Increased bit error rate (BER)✓
B)Elevated chromatic dispersion
C)Reduced pump laser efficiency
D)Augmented signal-to-noise ratio
💡 Explanation
Increased BER results, because mode interference arises. Imperfect alignment causes different modes to interfere destructively, degrading signal integrity; therefore, error rate rises, rather than the others which are induced by materials properties.
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