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Enabling Shortwave-QKD in Short-Reach Networks: Impact of a Composite ODN Native to Telecom Applications
Mariana F. Ramos, Costin Luchian, Michael Hentschel, Florian Honz, Marie-Christine Slater, Hannes Hübel, Bernhard Schrenk·October 26, 2025·DOI: 10.1364/OL.574096
Quantum Physics
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Abstract
We deploy shortwave-QKD over short-reach in-house/datacom architectures and show that few-mode propagation and speckle-selective loss severely impact the QKD performance. We accomplish 12 kb/s secure-key generation in presence of 50 co-existing data channels.