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← ScienceWhich consequence results when entangled photons pass optical fibers of unequal lengths?
A)Compromised quantum key distribution✓
B)Increased quantum decoherence rate
C)Enhanced photonic energy transfer
D)Altered non-linear refractive index
💡 Explanation
Differences in fiber lengths introduce varying optical path delays; therefore, the arrival times of entangled photons will differ, increasing the chance signal can measured, breaking the Quantum key, rather than maintain perfect key integrity because of perfect simultaneous arrival.
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