Quantum Key Distribution Scheme with High Efficiency |
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| Authors: | GAO Gan |
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| Affiliation: | Department of Electrical Engineering, Tongling University, Tongling 244000, ChinaEngineering Technology Research Center of Optoelectronic Technology Appliance (Cultivating Base), Anhui Province |
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| Abstract: | Based on entanglement swapping, a quantum key distribution (QKD) scheme is proposed. In this scheme, the secret keys are formed by comparing initial Bell states and outcomes of entanglement swapping. Moreover, all initial Bell states prepared by Alice and Bob are completely arbitrary. As the classical information exchanged between two parties is very little, this QKD scheme has a high efficiency. In addition,in order to prevent eavesdropping, decoy particles are used. |
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| Keywords: | Bell state comparison entanglement swapping quantum key distribution |
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