English

Reverse Reconciliation with Soft Information for Discrete-Modulation CV-QKD at Long Range

Information Theory 2026-03-26 v1 math.IT

Abstract

We recently introduced a reverse reconciliation scheme with soft information. In this paper, we assess its performance at ultra-low SNR, thus proving that such scheme is a versatile solution to the reverse reconciliation problem.

Cite

@article{arxiv.2603.23585,
  title  = {Reverse Reconciliation with Soft Information for Discrete-Modulation CV-QKD at Long Range},
  author = {Marco Origlia and Erdem Eray Cil and Laurent Schmalen and Marco Secondini},
  journal= {arXiv preprint arXiv:2603.23585},
  year   = {2026}
}

Comments

Accepted for an in-person poster presentation at the Optica Quantum 2.0 Conference and Exhibition ( https://www.optica.org/events/topical_meetings/quantum/ )

R2 v1 2026-07-01T11:36:06.492Z