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

We prove micro-ring resonator assisted DPS-QKD as multi-wavelength alternative to delayinterferometerbased 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.

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Publication Details

Journal
Zenodo (CERN European Organization for Nuclear Research)
Published
2025-09-27
DOI
https://doi.org/10.5281/zenodo.17215993
Primary Topic
Criminal Justice and Corrections Analysis
Type
article
Field-Weighted Citation Impact
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article

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

Zenodo (CERN European Organization for Nuclear Research)
Criminal Justice and Corrections Analysis
article

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

article en

Abstract

We prove micro-ring resonator assisted DPS-QKD as multi-wavelength alternative to delayinterferometerbased 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.

Zenodo (CERN European Organization for Nuclear Research)
University of Vienna (AT), AIT Austrian Institute of Technology GmbH (AT)
Industry, innovation and infrastructure
Openalex Percentile: Top 37%
Criminal Justice and Corrections Analysis
DOIOpen Access PDFOpenAlex
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Branched DPS-QKD Employing a WDM-Compatible Silicon Micro-Ring Resonator as Shared Quantum State Analyser · Zenodo (CERN European Organization for Nuclear Research) (2025) | TGRS Research Map | TGRS