Capacity and SKR tradeoff in coexisting classical and CV-QKD metropolitan-reach optical links

Fuente: arXiv
Saved in:
Bibliographic Details
Main Authors: Ozkan, Cagla, Zischler, Lucas Alves, Gumus, Kadir, Frazao, Joao dos Reis, Antonelli, Cristian, Okonkwo, Chigo
Format: Preprint
Published: 2025
Subjects:
Online Access:
Tags: Add Tag
No Tags, Be the first to tag this record!
_version_ 1866917148513796096
author Ozkan, Cagla
Zischler, Lucas Alves
Gumus, Kadir
Frazao, Joao dos Reis
Antonelli, Cristian
Okonkwo, Chigo
author_facet Ozkan, Cagla
Zischler, Lucas Alves
Gumus, Kadir
Frazao, Joao dos Reis
Antonelli, Cristian
Okonkwo, Chigo
contents We demonstrate power-regime-dependent guardband optimization for quantum-classical coexistence in metropolitan DWDM. Quantum channel at band-edge with 100-150 GHz guardbands achieves 108% SKR improvement at -1.5 dBm/ch, incurring 3.4% capacity loss versus 6.8% for band-center.
format Preprint
id arxiv_https___arxiv_org_abs_2512_14408
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Capacity and SKR tradeoff in coexisting classical and CV-QKD metropolitan-reach optical links
Ozkan, Cagla
Zischler, Lucas Alves
Gumus, Kadir
Frazao, Joao dos Reis
Antonelli, Cristian
Okonkwo, Chigo
Quantum Physics
We demonstrate power-regime-dependent guardband optimization for quantum-classical coexistence in metropolitan DWDM. Quantum channel at band-edge with 100-150 GHz guardbands achieves 108% SKR improvement at -1.5 dBm/ch, incurring 3.4% capacity loss versus 6.8% for band-center.
title Capacity and SKR tradeoff in coexisting classical and CV-QKD metropolitan-reach optical links
topic Quantum Physics
url https://arxiv.org/abs/2512.14408