Publications

2026

Antonis Selentis, Nikolas Makris, Alkinoos Papageorgopoulos, Persefoni Konteli, Konstantinos Christodoulopoulos, George T Kanellos, Dimitris Syvridis "Evaluating Relayed and Switched Quantum Key Distribution (QKD) Network Architectures", Journal of Lightwave Technology 2026

Link: https://doi.org/10.1109/JLT.2026.3695776

Ondrej Klicnik, Grigoris Anastasiou, Nikolaos Makris, Argiris Ntanos, Aris Stathis, Konstantinos Tsimvrakidis, Giannis Giannoulis, Hercules Avramopoulos, Petr Munster, George T Kanellos, Tomas Horvath, "Quantum Key Distribution Over Multimode Fiber Infrastructure", QCNC 2026

Link: https://doi.org/10.1109/QCNC69040.2026.00062

Nikolaos Makris, Panagiotis Kourelias, Persefoni Konteli, Evrydiki Kyriazi, Alkinoos Papageorgopoulos, Panagiotis Toumasis, Zafeirios Georgiadis, Argiris Ntanos, Aristeidis Stathis, Konstantinos Tsimvrakidis, Hercules Avramopoulos, Giannis Giannoulis, George T Kanellos, "Field-Deployed 800 (2x400) Gbps Bidirectional Fiber-Wireless-Fiber QKD-Encrypted OTNsec Transmission", QCNC 2026

Link: https://doi.org/10.1109/QCNC69040.2026.00067

Alkinoos Papageorgopoulos, Konstantinos Tsimvrakidis, Nikolas Makris, Persefoni Konteli, Evrydiki Kyriazi, Grigoris Anastasiou, Petros Papapetropoulos, Ilias Papastamatiou, Ognjen Prnjat, Andreas Agrafiotis, Giannis Giannoulis, George T Kanellos, "Multi-Domain IPsec Over MACsec QKD Field Deployed Demonstration", QCNC 2026

Link: https://doi.org/10.1109/QCNC69040.2026.00066

Konstantinos Tsimvrakidis, Alkinoos Papageorgopoulos, Florian Kutschera, Stephan Laschet, Sebastian Ramacher, Paul James, Luca Torresetti, Nikolas Makris, Persefoni Konteli, Jaime S Buruaga, Rafael J Vicente, Yorlandy Lobaina, Juan Pedro Brito, Petros Papapetropoulos, Ilias Papastamatiou, Hannes Hübel, Vicente Martin, George T Kanellos, "Interoperable Multi-Vendor, Multi-Domain, Multi-Layer, Multi-Service Quantum Key Distribution Network Field-Trial", QCNC 2026

Link: https://doi.org/10.1109/QCNC69040.2026.00038

Evrydiki Kyriazi, Panagiotis Toumasis, Argiris Ntanos, Aristeidis Stathis, Panagiotis Kourelias, Nikolaos Makris, Persefoni Konteli, Alkinoos Papageorgopoulos, George T Kanellos, Dimitris Apostolopoulos, Hercules Avramopoulos, Giannis Giannoulis, "Field Demonstration of an SDN-enabled 0.48 Tb/s Hybrid Coherent/IM-DD 0.75 km FSO/Fiber System" OFC 2026

Link: https://opg.optica.org/abstract.cfm?URI=OFC-2026-M1H.3

Persefoni Konteli, Nikolaos Makris, Evgenia Niovi Sassalou, Stylianos A Kazazis, Alkinoos Papageorgopoulos, Stefanos Vasileiadis, Konstantinos Tsimvrakidis, Symeon Tsintzos, Georgios M Nikolopoulos, George T Kanellos, "Dynamic Switched Quantum Key Distribution Network with PUF-based authentication", OFC 2026

Link: https://opg.optica.org/abstract.cfm?URI=OFC-2026-W3K.6

2025

Marcus J Clark, Obada Alia, Sima Bahrani, Gregory T Jasion, Hesham Sakr, Periklis Petropoulos, Francesco Poletti, George T Kanellos, John Rarity, Reza Nejabati, Siddarth K Joshi, Rui Wang, Dimitra Simeonidou, "Coexistence of entanglement-based quantum channels with DWDM classical channels over hollow core fibre in a four node quantum communication network", NPJ Quantum Information

Link: https://doi.org/10.1038/s41534-025-01125-7

Persefoni Konteli, Nikolas Makris, Konstantinos Tsimvrakidis, Alkinoos Papageorgopoulos, Ilias Papastamatiou, Petros Papapetropoulos, Dimitrios Syvridis, George T Kanellos, "Field-test Quantum Key Distribution Over mixed Buried/Aerial Fiber Links with 16 km Aerial Fiber Segments", ECOC 2025

Link: https://doi.org/10.1109/ECOC66593.2025.11263153

Argiris Ntanos, Aristeidis Stathis, Panagiotis Kourelias, Evridiki Kyriazi, Panagiotis Toumasis, Nikolaos K Lyras, Nikolaos Makris, Sotirios Tsavdaridis, EM Xilouris, Athanasios Marousis, Ilias Papastamatiou, Athanasios D Panagopoulos, Konstantinos Vyrsokinos, Kleomenis Tsiganis, George T Kanellos, Hercules Avramopoulos, Giannis Giannoulis, "SMF-Coupled Compact Ground Terminal with Advanced Filtering Towards Daylight C-Band Satellite QKD", ECOC 2025

Link: https://doi.org/10.1109/ECOC66593.2025.11263298

Giannis Giannoulis, Nikolaos K Lyras, Argiris Ntanos, Aristeidis Stathis, Alexandros Sousanis, Giorgos Mazarakis, Gustavo Castro do Amaral, Christine Satter, Teun van der Veen, Bob PF Dirks, Lukas Achatz, Matthias Fink, Johannes Pseiner, Philip Menz, Peter Freiwang, Athanasios Marousis, Emmanuel M Xilouris, Spyros Basilakos, C Willem Korevaar, Yunus C Gultekin, Nikolaos Makris, Konstantinos Tsimvrakidis, George Kanellos, Martina Ottavi, Mauro Valeri, Athanasios Panagopoulos, Hercules Avramopoulos, "LAIQA: shaping the quantum satellite communications beyond Eagle-1", ICSO 2024

Link: https://doi.org/10.1117/12.3075388

Antonios Selentis, Konstantinos Christodoulopoulos, George T Kanellos, "Comparing Relayed and Switched QKD in Ring Networks", ICTON 2025

Link: https://doi.org/10.1109/ICTON67126.2025.11125303

Persefoni Konteli, Nikolaos Makris, Konstantinos Tsimvrakidis, Alkinoos Papageorgopoulos, Ilias Papastamatiou, Petros Papapetropoulos, Dimitrios Syvridis, George T Kanellos, "Time-bin Phase and Polarization based QKD systems performance analysis over 16Km Aerial Fibers", 2025 OECC/PSC

Link: https://doi.org/10.23919/OECC/PSC62146.2025.11111151

Antonios Selentis-Boulntadakis, Konstantinos Christodoulopoulos, George T Kanellos, "Relayed vs. Switched QKD: A Comparison in Non-Uniform Ring Networks", ONDM 2025

Link: https://doi.org/10.23919/ONDM65745.2025.11029349

Obada Alia, MJ Clark, Sima Bahrani, Rui Wang, GT Jasion, Hesham Sakr, JR Hayes, Periklis Petropoulos, F Poletti, GT Kanellos, JG Rarity, R Nejabati, SK Joshi, D Simeonidou, "Coexistence of Entanglement-based Quantum Channels with DWDM Classical Channels over Hollow Core Fiber in a Three Node Quantum Communication Network", OFC 2024

Link: https://opg.optica.org/abstract.cfm?URI=OFC-2025-Tu3D.1

K Tsimvrakidis, P Konteli, A Ntanos, A Stathis, N Makris, P Kourelias, A Papageorgopoulos, G Giannoulis, I Papastamatiou, P Papapetropoulos, H Avramopoulos, GT Kanellos, D Syvridis, "Bidirectional Fiber-Wireless-Fiber QKD transmission over 2x8. 8Km field-deployed single feeder link and 100m FSO link", OFC 2024

Link: https://opg.optica.org/abstract.cfm?URI=OFC-2025-Th3I.2

2024

Nikolas Makris, Konstantinos Tsimvrakidis, Alkinoos Papageorgopoulos, Persefoni Konteli, Yannick Gautier, Marco Terenziani, Eric Daudin, Dimosthenis Ntoulias, Thanasis Fragkioudakis, Ian Meletios, Michele Mosca, Dale Hobbs, Tony Rosati, Ilias Papastamatiou, Ognjen Prnjat, Kostas Koumantaros, Dimitris Mitropoulos, Jean-Robert Morax, Bruno Huttner, Kostas Christodoulopoulos, George T Kanellos, Dimitris Syvridis, "Field demonstration of a fully managed, L1 encrypted 3-node network with hybrid relayed-QKD and centralized symmetric classical key management", ECOC 2024

Link: https://ieeexplore.ieee.org/document/10926694

Nikos Makris, Argiris Ntanos, Alkinoos Papageorgopoulos, Theofanis Stathopoulos, Persefoni Konteli, Aristeidis Stathis, Giannis Giannoulis, Iliana Tsoni, Foteini Setaki, Dimitris Zavitsanos, George Lyberopoulos, Hercules Avramopoulos, Dimitris Syvridis, GT Kanellos, "O-band QKD link over a multiple ONT loaded carrier-grade GPON for FTTH applications", Optics Express

Link: https://doi.org/10.1364/OE.518564

Alessandro Trenti, Costin Luchian, Francesco Poletti, Radan Slavik, Periklis Petropoulos, Obada Alia, George T Kanellos, Hannes Hübel, "High fidelity distribution of telecom polarization entangled photons through a 7.7 km antiresonant hollow-core fiber", IEEE Journal of Selected Topics in Quantum Electronics (JSTQE)

Link: https://doi.org/10.1109/JSTQE.2024.3392416

Konstantinos Christodoulopoulos, Nikolaos Makris, George T Kanellos, Dimitris Syvridis, "Optimizing key consumption in switched QKD networks", OFC 2023

Link: https://opg.optica.org/abstract.cfm?URI=OFC-2024-W2A.34

Nikolaos Makris, Alkinoos Papageorgopoulos, Persefoni Konteli, Iliana Tsoni, Konstantinos Tsimvrakidis, Ilias Papastamatiou, Kostas Christodoulopoulos, George T Kanellos, Dimitris Syvridis, "Relayed-QKD and switched-QKD networks performance comparison considering physical layer QKD limitations", OFC 2023

Link: https://opg.optica.org/abstract.cfm?URI=OFC-2024-M2J.3

Nikolaos Makris, Argiris Ntanos, Alkinoos Papageorgopoulos, Aristeidis Stathis, Persefoni Konteli, Iliana Tsoni, Giannis Giannoulis, Foteini Setaki, Theofanis Stathopoulos, George Lyberopoulos, Hercules Avramopoulos, George T Kanellos, Dimitris Syvridis, "DV-QKD link integrated over multiple ONT loaded carrier-grade GPON for FTTH applications", Quantum Computing, Communication, and Simulation IV, SPIE 2024

Link: https://doi.org/10.1117/12.3001045

George T Kanellos, Konstantinos Christodoulopoulos, Iliana Tsoni, Alkinoos Papageorgopoulos, Nikolaos Makris, Persefoni Konteli, Dimitris Syvridis, "Advanced key management in switched QKD networks with non-optimized QKD links", Quantum Computing, Communication, and Simulation IV, SPIE 2024

Link: https://doi.org/10.1117/12.3001469

2023

Argiris Ntanos, Nikolaos Lyras, Dimitris Zavitsanos, Saif Anwar, Obada Alia, Giannis Giannoulis, George Kanellos, Athanasios Panagopoulos, Hercules Avramopoulos, "MEO satellite-to-ground Decoy-State QKD links realistic performance analysis", ICSO 2022

Link: https://doi.org/10.1117/12.2690001

Michael Antesberger, Carla MD Richter, Francesco Poletti, Periklis Petropoulos, Obada Alia, George Kanellos, Hannes Hübel, Lee A Rozema, Alessandro Trenti, Philip Walther, "Distribution of Time-Bin Entangled Photons through a 7.7 km Hollow-Core Fiber", CLEO 2023

Link: https://ieeexplore.ieee.org/document/10259571

Andy Schreier, Obada Alia, Rui Wang, Ravinder Singh, Grahame Faulkner, George Kanellos, Reza Nejabati, Dimitra Simeonidou, John Rarity, Dominic O'Brien, "Coexistence of quantum and 1.6 tbit/s classical data over fibre-wireless-fibre terminals", Journal of Lightwave Technology 2023

Link: https://doi.org/10.1109/JLT.2023.3258146

Florian Honz, Florian Prawits, Obada Alia, Hesham Sakr, Thomas Bradley, Cong Zhang, Radan Slavík, Francesco Poletti, George Kanellos, Reza Nejabati, Philip Walther, Dimitra Simeonidou, Hannes Hübel, Bernhard Schrenk, "First demonstration of 25λ× 10 Gb/s C+ L band classical/DV-QKD co-existence over single bidirectional fiber link", Journal of Lightwave Technology

Link: https://doi.org/10.1109/JLT.2023.3256352

Mariella Minder, Sophie Albosh, Obada Alia, Radan Slavik, Rupesh Kumar, Francesco Poletti, George Kanellos, Marco Lucamarini "Phase noise characterisation of a 2-km hollow-core nested antiresonant nodeless fibre for twin-field quantum key distribution", Quantum Technology: Driving Commercialisation of an Enabling Science III, SPIE 2023

Link: https://doi.org/10.1117/12.2647583

Marcus J Clark, Obada Alia, Rui Wang, Sima Bahrani, M Peranić, Djeylan Aktas, George T Kanellos, Martin Loncaric, Ž Samec, Anton Radman, Mario Stipcevic, Reza Nejabati, Dimitra Simeonidou, John G Rarity, Siddarth Koduru Joshi, "Entanglement distribution quantum networking withindeployed telecommunications fibre-optic infrastructure”, Quantum Technology: Driving Commercialisation of an Enabling Science III, SPIE 2023

Link: https://doi.org/10.1117/12.2645095

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