Coexistence of Continuous Variable Quantum Key Distribution and 7 $\times$ 12.5 Gbit/s Classical Channels

Akio Tajima; Ken-ichiro Yoshino; Masahide Sasaki; Masahiro Takeoka; Mikio Fujiwara; Motoharu Ono; Ryo Namiki; Takuya Hirano; Tobias A. Eriksson

arxiv: 1809.01287 · v1 · pith:4MHB7QCFnew · submitted 2018-09-05 · 🪐 quant-ph

Coexistence of Continuous Variable Quantum Key Distribution and 7 times 12.5 Gbit/s Classical Channels

Tobias A. Eriksson , Takuya Hirano , Motoharu Ono , Mikio Fujiwara , Ryo Namiki , Ken-ichiro Yoshino , Akio Tajima , Masahiro Takeoka

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Masahide Sasaki

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classification 🪐 quant-ph

keywords channelsclassicalcoexistencegbitc-bandcontinuouscontinuouslycv-qkd

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We study coexistence of CV-QKD and 7 classical 12.5 Gbit/s on-off keying channels in WDM transmission over the C-band. We demonstrate key generation with a distilled secret key rate between 20 to 50 kbit/s in experiments running continuously over 24 hours.

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Coexistence of Continuous Variable Quantum Key Distribution and 7 times 12.5 Gbit/s Classical Channels

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