Which error event arises in cryptographic key distribution utilizing entangled photons if the polarization correlation is disrupted?

💡 Explanation

Disrupted polarization correlation introduces errors detectable as an increased bit error rate during quantum key distribition, making eavesdropping detectable by intercept using quantum error correction, because it violates the expected entanglement behavior; therefore eavesdropping is detectable, rather than unnoticed errors or loss of keys which only occur in some scenarios.

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