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

Florian Honz,Nemanja Vokić,Philip Walther,Hannes Hübel,Bernhard Schrenk

2023 Optical Fiber Communications Conference and Exhibition (OFC)（2023）

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摘要

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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关键词

bb84 qkd transmitter,sige light

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