Real Source Quantum Key Distribution Relays

POSTER

Abstract

We have developed a model for relay-based quantum key distribution that incorporates multi-photon source events and dark counts at detectors. The model compares achievable quantum key distribution rates for configurations with different numbers of segments over a range of distances. Different photon source distributions and dark count rates are compared for given configurations to ascertain the impact of the source and detector imperfections on secure key rates.

Authors

  • Gina Howard

    IQIS University of Calgary

  • Wolfgang Tittel

    University of Calgary, Canada, University of Calgary, Associate professor, IQIS University of Calgary

  • Barry C. Sanders

    University of Calgary, Institute for Quantum Information Science, University of Calgary, The University of Calgary, IQIS University of Calgary, IQIS, Univ. of Calgary, Canada, IQIS, University of Calgary