Free space daylight ground-ground QKD in the near-IR

Jan Tepper; Nils Hellerhoff; Alberto Comin

Free space daylight ground-ground QKD in the near-IR

Quantum Physics 2024-05-08 v1

Authors: Jan Tepper , Nils Hellerhoff , Alberto Comin

Abstract

We report a daylight km-range free space QKD demonstration at 850nm obtaining a QBER of 1.9\% and a raw key-rate of 14 kbit/s. We used the BB84 protocol with polarisation encoding and two supporting optical beams for classical communication and clock synchronisation.

Keywords

quantum key distribution free-space optics BB84 protocol polarization encoding daylight transmission

Cite

@article{arxiv.2405.04113,
  title  = {Free space daylight ground-ground QKD in the near-IR},
  author = {Jan Tepper and Nils Hellerhoff and Alberto Comin},
  journal= {arXiv preprint arXiv:2405.04113},
  year   = {2024}
}

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