activity
20232026
collaborators

5 papers

cs.CR2026

Building Europe's Quantum Shield: The Strategic view for a Continent-Wide Quantum Key Distribution (QKD) Infrastructure

Leandros Maglaras, Ilias Papastamatiou, Alexios Aivaliotis +2

The fast growth of quantum computing can lead to amazing scientific breakthroughs while on the same time can be used to break today's security systems, raising new risks for existi…

physics.optics2025

SMF Coupled Compact Ground Terminal with Advanced Filtering Towards Daylight C Band Satellite QKD

Argiris Ntanos, Aristeidis Stathis, Panagiotis Kourelias +14

We demonstrate a compact, high-isolation C-band optical ground terminal for satellite QKD, achieving more than 120 dB daylight background suppression and 135 dB crosstalk noise iso…

cs.CR2025

Time-bin Phase and Polarization based QKD systems performance analysis over 16Km Aerial Fibers

Persefoni Konteli, Nikolaos Makris, Konstantinos Tsimvrakidis +5

We analyze the performance of Time-bin Phase and Polarization based QKD systems on mixed 14Km underground and 16Km of aerial fiber using plug-and-play commercial QKD systems.

quant-ph2024

Field demonstration of a fully managed, L1 encrypted 3-node network with hybrid relayed-QKD and centralized symmetric classical key management

N. Makris, A. Papageorgopoulos, K. Tsimvrakidis +19

We successfully demonstrated a fully-managed, field-deployed, three-node QKD ring network with L1-OTNsec encryption, that employs a hybrid scheme of QKD and classical yet quantum-s…

quant-ph2023

Relayed-QKD and switched-QKD networks performance comparison considering physical layer QKD limitations

N. Makris, A. Papageorgopoulos, P. Konteli +4

We experimentally evaluate the SKR generation for unoptimized QKD pairs in switched QKD and compare the performance of the switched-QKD with relayed-QKD networks to reveal they per…