Decoy-state round-robin differential-phase-shift quantum key distribution with source errors
arXiv:1910.00248 · doi:10.1007/s11128-019-2552-7
Abstract
As a promising quantum key distribution (QKD), most of the existing round-robin differential-phase-shift quantum key distribution (RRDPS-QKD) protocols have adopted the decoy-state method and have assumed the source states are exactly controlled. However, the precise manipulation of source states is impossible for any practical experiment, and the RRDPS-QKD with source errors has an unignorable impact on the performance of the protocol. In the paper, we study the three-intensity decoy-state RRDPS-QKD protocol with source errors, formulate the secure generation key rate of the proposed protocol, do the numerical simulations to testify the deductions. The results show that our evaluation can estimate the influence of source errors.
12 pages, 3 figures
References in corpus (4)
- Measurement device independent quantum key distribution over 404 km optical fibre
- Quantum key distribution over 122 km of standard telecom fiber
- General theory of decoy-state quantum cryptography with source errors
- Measurement-device-independent quantum key distribution with source state errors in photon number space