Inter-Core Crosstalk Impact of Classical Channels on CV-QKD in Multicore Fiber Transmission

11 Jan 2019 Eriksson Tobias A. Puttnam Benjamin J. Rademacher Georg Luis Ruben S. Takeoka Masahiro Awaji Yoshinari Sasaki Masahide Wada Naoya

Crosstalk-induced excess noise is experimentally characterized for continuous-variable quantum key distribution, spatially multiplexed with WDM PM-16QAM channels in a 19-core fiber. The measured noise-sources are used to estimate the secret key rates for different wavelength channels...

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