Towards an All-Silicon DV-QKD Transmitter Sourced by a Ge-on-Si Light Emitter

Florian Honz,Nemanja Vokic,Philip Walther,Hannes Hubel,Bernhard Schrenk

2023 IEEE PHOTONICS SOCIETY SUMMER TOPICALS MEETING SERIES, SUM（2023）

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摘要

We investigate the behavior of a Ge-on-Si light source and demonstrate its feasibility for polarization-encoded discrete-variable quantum key distribution following the BB84 protocol, enabling a potential "all-silicon" QKD scheme which can operate well below the necessary QBER limit and successfully generate secret keys.

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关键词

Quantum key distribution,Quantum communication,Quantum cryptography,Silicon photonics

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