Spectrally-Shaped Continuous-Variable QKD Operating at 500 MHz Over an
  Optical Pipe Lit by 11 DWDM Channels

Milovančev, D.; Vokić, N.; Laudenbach, F.; Pacher, C.; Hübel, H.; Schrenk, B.

doi:10.48550/arXiv.2004.11962

Spectrally-Shaped Continuous-Variable QKD Operating at 500 MHz Over an Optical Pipe Lit by 11 DWDM Channels

preprint

posted on 2023-11-30, 19:43 authored by D. Milovančev, N. Vokić, F. Laudenbach, C. Pacher, H. Hübel, B. Schrenk

We demonstrate high-rate CV-QKD supporting a secure-key rate of 22Mb/s through spectral tailoring and optimal use of quantum receiver bandwidth. Co-existence with 11 adjacent carrier-grade C-band channels spaced by only 20nm is accomplished at >10Mb/s.