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Classical Channel. Eve. Bob. Alice. Quantum Channel. Figure 1: QKD Model. Binary 1, 90 °. Binary 1, 135 °. Binary 0, 45 °. Binary 0, 0 °. Photon Polarization. Rectilinear Basis. Diagonal Basis. Binary 1, 45 °. Binary 0, 0 °. Photon Polarization. Classical Channel. Eve.
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Classical Channel Eve Bob Alice Quantum Channel Figure 1: QKD Model
Binary 1, 90 ° Binary 1, 135 ° Binary 0, 45 ° Binary 0, 0 ° Photon Polarization Rectilinear Basis Diagonal Basis
Binary 1, 45 ° Binary 0, 0 ° Photon Polarization
Classical Channel Eve Bob Alice Quantum Channel Entangled Photon Source
Eve Imperfect Photon Source Bob Alice Quantum Channel