Two-step Quantum Key Distribution Schemes Using Polarization and Frequency Doubly Entangled Photons
classification
🪐 quant-ph
keywords
doublyentangledphotonsdistributionfrequencypolarizationprotocolquantum
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A two-step quantum key distribution protocol using frequency and polarization doubly entangled photons is proposed. In this protocol, information is encoded by a unitary operation on each of the two doubly entangled photons and sent from Alice to Bob in two steps. State measurement device is designed. The security of the communication is analyzed.
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