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Conferences > ECEOC > 2022 > We5 > We5.67
  • European Conference on Optical Communication (ECOC) 2022
  • Technical Digest Series (Optica Publishing Group, 2022),
  • paper We5.67

From Intra-Datacenter Interconnects to Metro Networks: Does CV-QKD Need Loss- or Bandwidth-Conscious Receivers?

Florian Honz, Fabian Laudenbach, Hannes Hübel, Philip Walther, and Bernhard Schrenk

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Abstract

We experimentally compare a loss-optimized coherent heterodyne and a bandwidth-blessed intradyne CV-QKD architecture. We find the former to prevail performance-wise for medium/long link reach, while the latter features a 5-9 dB higher secure-key rate over short reach.

© 2022 The Author(s)

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