Branched DPS-QKD Employing a WDM-Compatible Silicon Micro-Ring Resonator as Shared Quantum State Analyser

Florian Honz; Paul Muellner; Michael Hentschel; Philip Walther; Hannes Hübel; Rainer Hainberger; Bernhard Schrenk

doi:10.5281/zenodo.17215992

Branched DPS-QKD Employing a WDM-Compatible Silicon Micro-Ring Resonator as Shared Quantum State Analyser

Florian Honz (Autor:in und Vortragende:r), Paul Muellner, Michael Hentschel, Philip Walther, Hannes Hübel, Rainer Hainberger, Bernhard Schrenk

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 prove micro-ring resonator assisted DPS-QKD as multi-wavelength alternative to delayinterferometer
based implementations. We show wavelength-agnostic generation of secure keys over 13 WDM channels ranging from 1534.3 to 1555.3nm. We further demonstrate simultaneous QKD operation over 12.8km, for which two users shared the state analyser.

Originalsprache	Englisch
Titel	2025 European Conference on Optical Communication (ECOC)
Erscheinungsort	Copenhagen
Seitenumfang	4
DOIs	https://doi.org/10.5281/zenodo.17215992
Publikationsstatus	Veröffentlicht - 2025
Veranstaltung	European Conference on Optical Communication 2025 - Copenhagen, Dänemark Dauer: 28 Sept. 2025 → 2 Okt. 2025

Konferenz

Konferenz	European Conference on Optical Communication 2025
Land/Gebiet	Dänemark
Stadt	Copenhagen
Zeitraum	28/09/25 → 2/10/25

Research Field

Enabling Digital Technologies
Molecular Diagnostics

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10.5281/zenodo.17215992

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title = "Branched DPS-QKD Employing a WDM-Compatible Silicon Micro-Ring Resonator as Shared Quantum State Analyser",

abstract = "We prove micro-ring resonator assisted DPS-QKD as multi-wavelength alternative to delayinterferometer based implementations. We show wavelength-agnostic generation of secure keys over 13 WDM channels ranging from 1534.3 to 1555.3nm. We further demonstrate simultaneous QKD operation over 12.8km, for which two users shared the state analyser.",

author = "Florian Honz and Paul Muellner and Michael Hentschel and Philip Walther and Hannes H{\"u}bel and Rainer Hainberger and Bernhard Schrenk",

year = "2025",

doi = "10.5281/zenodo.17215992",

language = "English",

booktitle = "2025 European Conference on Optical Communication (ECOC)",

note = "European Conference on Optical Communication 2025 ; Conference date: 28-09-2025 Through 02-10-2025",

}

Honz, F , Muellner, P , Hentschel, M, Walther, P, Hübel, H , Hainberger, R & Schrenk, B 2025, Branched DPS-QKD Employing a WDM-Compatible Silicon Micro-Ring Resonator as Shared Quantum State Analyser. in 2025 European Conference on Optical Communication (ECOC)., Th.01.06.3 , Copenhagen, European Conference on Optical Communication 2025, Copenhagen, Dänemark, 28/09/25. https://doi.org/10.5281/zenodo.17215992

Branched DPS-QKD Employing a WDM-Compatible Silicon Micro-Ring Resonator as Shared Quantum State Analyser. / Honz, Florian (Autor:in und Vortragende:r); Muellner, Paul ; Hentschel, Michael et al.
2025 European Conference on Optical Communication (ECOC). Copenhagen, 2025. Th.01.06.3 .

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

TY - GEN

T1 - Branched DPS-QKD Employing a WDM-Compatible Silicon Micro-Ring Resonator as Shared Quantum State Analyser

AU - Muellner, Paul

AU - Hentschel, Michael

AU - Walther, Philip

AU - Hübel, Hannes

AU - Hainberger, Rainer

AU - Schrenk, Bernhard

A2 - Honz, Florian

PY - 2025

Y1 - 2025

N2 - We prove micro-ring resonator assisted DPS-QKD as multi-wavelength alternative to delayinterferometer based implementations. We show wavelength-agnostic generation of secure keys over 13 WDM channels ranging from 1534.3 to 1555.3nm. We further demonstrate simultaneous QKD operation over 12.8km, for which two users shared the state analyser.

AB - We prove micro-ring resonator assisted DPS-QKD as multi-wavelength alternative to delayinterferometer based implementations. We show wavelength-agnostic generation of secure keys over 13 WDM channels ranging from 1534.3 to 1555.3nm. We further demonstrate simultaneous QKD operation over 12.8km, for which two users shared the state analyser.

U2 - 10.5281/zenodo.17215992

DO - 10.5281/zenodo.17215992

M3 - Conference Proceedings with Oral Presentation

BT - 2025 European Conference on Optical Communication (ECOC)

CY - Copenhagen

T2 - European Conference on Optical Communication 2025

Y2 - 28 September 2025 through 2 October 2025

ER -

Branched DPS-QKD Employing a WDM-Compatible Silicon Micro-Ring Resonator as Shared Quantum State Analyser

Abstract

Konferenz

Research Field

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