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

Published 11 Jan 2019 in quant-ph | (1901.03475v1)

Abstract: 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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