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Experimental Investigation of Heterodyne Quantum Key Distribution in the S-Band Embedded in a Commercial DWDM System

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Abstract

The tolerance of continuous-variable quantum key distribution to co-propagating DWDM channels is investigated. For the experiments, the quantum channel is operated in the S-band and multiplexed with a commercial C-band DWDM system. It is shown that compared to previously proposed configurations, the number of co-propagating channels can be doubled.

© 2019 The Author(s)

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