Selective Placement of Hollow-Core Fibers for QKD and Classical Communication Coexistence

Giovanni Simone Sticca; Alessandro Gagliano; Memedhe Ibrahimi; Alberto Gatto; Francesco Musumeci; Massimo Tornatore

Selective Placement of Hollow-Core Fibers for QKD and Classical Communication Coexistence

Quantum Physics 2026-05-12 v1 Information Theory math.IT

Authors: Giovanni Simone Sticca , Alessandro Gagliano , Memedhe Ibrahimi , Alberto Gatto , Francesco Musumeci , Massimo Tornatore

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Abstract

We investigate the benefits of partially upgrading optical networks with hollow-core fibers for QKD-classical communication coexistence. Results show that upgrading 40% of links in a metro topology can reduce the number of quantum modules by up to 49%.

Keywords

hollow-core fibers quantum key distribution network optimization classical communication metro topology

Cite

@article{arxiv.2605.10724,
  title  = {Selective Placement of Hollow-Core Fibers for QKD and Classical Communication Coexistence},
  author = {Giovanni Simone Sticca and Alessandro Gagliano and Memedhe Ibrahimi and Alberto Gatto and Francesco Musumeci and Massimo Tornatore},
  journal= {arXiv preprint arXiv:2605.10724},
  year   = {2026}
}

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