Implementing QKD over Multi-Fiber Ribbon Cables: How Dark is the “Dark Fiber”?

Florian Honz; Vana Pezelj; Theodor Strobl; Florian Kutschera; Valeria Saggio; Philip Walther; Hannes Hübel; Bernhard Schrenk

doi:10.5281/zenodo.19005903

Implementing QKD over Multi-Fiber Ribbon Cables: How Dark is the “Dark Fiber”?

Florian Honz (Autor:in und Vortragende:r)
, Vana Pezelj
, Theodor Strobl
, Florian Kutschera
, Valeria Saggio
, Philip Walther
, Hannes Hübel
, Bernhard Schrenk

Optical Quantum Technologies

University of Vienna, Faculty of Physics, Vienna Center for Quantum Science and Technology (VCQ)

Publikation: Beitrag in Buch oder Tagungsband › Vortrag mit Beitrag in Tagungsband › Begutachtung

Abstract

We identify inter-lane crosstalk as main cause for QKD degradation in 1×12 bend-loss insensitive fiber ribbon cables. Despite allocating QKD to unused fiber lanes, neighboring classical signals can lead to total saturation of single-photon detectors.

Originalsprache	Englisch
Titel	2026 Optical Fiber Communications Conference and Exhibition (OFC)
Seitenumfang	4
DOIs	https://doi.org/10.5281/zenodo.19005903
Publikationsstatus	Veröffentlicht - 2026
Veranstaltung	2026 Optical Fiber Communications Conference and Exhibition (OFC) - Los Angeles, Los Angeles, USA/Vereinigte Staaten Dauer: 15 März 2026 → 19 März 2026 https://www.ofcconference.org/

Konferenz

Konferenz	2026 Optical Fiber Communications Conference and Exhibition (OFC)
Land/Gebiet	USA/Vereinigte Staaten
Stadt	Los Angeles
Zeitraum	15/03/26 → 19/03/26
Internetadresse	https://www.ofcconference.org/

Research Field

Quantum Key Distribution

Zugriff auf Dokument

10.5281/zenodo.19005903

Diese Publikation zitieren

@inproceedings{e31a2df9b2ef4c3ba8f85b36ae4a45a0,

title = "Implementing QKD over Multi-Fiber Ribbon Cables: How Dark is the “Dark Fiber”?",

abstract = "We identify inter-lane crosstalk as main cause for QKD degradation in 1×12 bend-loss insensitive fiber ribbon cables. Despite allocating QKD to unused fiber lanes, neighboring classical signals can lead to total saturation of single-photon detectors.",

author = "Florian Honz and Vana Pezelj and Theodor Strobl and Florian Kutschera and Valeria Saggio and Philip Walther and Hannes H{\"u}bel and Bernhard Schrenk",

year = "2026",

doi = "10.5281/zenodo.19005903",

language = "English",

booktitle = "2026 Optical Fiber Communications Conference and Exhibition (OFC)",

note = "2026 Optical Fiber Communications Conference and Exhibition (OFC) ; Conference date: 15-03-2026 Through 19-03-2026",