Fluctuation Analysis of Decoy State QKD with Finite Data-Set Size |
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| Authors: | TANG Shao-Jie and JIAO Rong-Zhen |
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| Institution: | School of Science, Beijing University of Posts and Telecommunications,;Beijing 100876, China |
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| Abstract: | Decoy state method quantum key distribution (QKD) is one of the promisingpractical solutions for BB84 QKD with coherent light pulses. The number ofdata-set size in practical QKD protocol is always finite, which will causestatistical fluctuations. In this paper, we apply absolutely statisticalfluctuation to amend the yield and error rate of the quantum state. Therelationship between exchanged number of quantum signals and key generation rate is analyzed in our simulation, which offers a useful reference for experiment. |
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| Keywords: | quantum key distribution finite data-set size statistical fluctuation |
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