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Conferences > CLEO_FS > 2023 > FF1A > FF1A.4

Security Flaws From Time-Varying Encoding in High Speed MDI QKD

Amita Gnanapandithan, Hoi-Kwong Lo, and Li Qian

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Abstract

Electro-optic phase modulators are commonly used for polarization and phase encoding in quantum key distribution. Here, a novel state preparation flaw which arises during high speed electro-optic phase modulation is identified and characterized. The impact of this state preparation flaw on the secure key rate is quantified.

© 2023 The Author(s)

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