Polarization-Encoded BB84 QKD Transmitter Sourced by a SiGe Light Emitter

2023/06/29 by Honz, Florian, Vokic, Nemanja, Walther, Philip +2
#FOS: Physical sciences #Quantum Physics (quant-ph)

paper · doi:10.48550/arxiv.2306.17255

Abstract

We demonstrate a polarization-encoded BB84 transmitter sourced by a SiGe light source and show that such a potentially "all-silicon" QKD scheme can operate well below the QBER threshold at which secret keys can be established.

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