Multi-vendor QKD demonstration: LuxQuanta at EQTC Hannover '23
LuxQuanta was a part of a multi-vendor QKD demonstration showcased at the European Quantum Technology Conference (EQTC) in Hannover, simulating a "mini-EuroQCI" deployment. Throughout the event and exhibition, a live video conference was consistently encrypted using quantum-generated keys from the QKD system.
From October 16th to 20th, 2023, Quantum Valley Lower Saxony hosted the highly anticipated biannual event at the prestigious Hannover Fairground, drawing a distinguished assembly of professionals and experts in the field.
This initiative, led by the Coordination and Support Action (CSA) for the European Quantum Communication Infrastructure (EuroQCI), PETRUS, aimed to demonstrate the current state of technology maturity and its significance in securing Europe's most critical data to the industry and European decision-makers. In collaboration with participants from the DIGITAL program "EU Secure Quantum Communication Infrastructure (DIGITAL-2021-QCI-01)" and a dedicated local team, the demonstration of QKD's groundbreaking capabilities was a success.
It also highlights the necessity for collaboration among different technologies and the importance of interoperability between QKD manufacturers.
The two racks containing all the systems. In the left rack, all the Transmitter modules were placed, while the Receivers were in the right one
o achieve this ambitious goal, the demonstration brought together a collaborative effort of pivotal contributors in the Quantum Ecosystem.
Four QKD vendors, each utilizing distinct technologies, united their strengths to enable interoperability among systems in the demonstration. Among these providers, LuxQuanta introduced its Continuous Variable QKD System, NOVA LQ®. ThinkQuantum, QTI, and Quantum Optics Jena contributed Discrete-Variable (DV-QKD) and Entanglement-based QKD technologies.
Representants of all companies involved in the demonstration at the booth.
|EuroQCI | The EuroQCI will safeguard sensitive data and critical infrastructures by integrating quantum-based systems into existing communication infrastructures, providing an additional security layer based on quantum physics. It will reinforce the protection of Europe’s governmental institutions, their data centres, hospitals, energy grids, and more, becoming one of the main pillars of the EU’s Cybersecurity Strategy for the coming decades. The EuroQCI will make use of innovative quantum communication technologies. The initiative will thus contribute to European digital sovereignty and industrial competitiveness, and help to meet Europe’s Digital Decade target of being at the cutting edge of quantum capabilities by 2030.
The demonstration, more intricate than the one showcased at the Stockholm DIGITAL Assembly in June, incorporated two additional QKD vendors. The topology was configured with three nodes, featuring two parallel QKD links connecting node 1 and 2, as well as two more linking 2 and 3.
In this setup, the SDN KMS Stack Software from the UPM efficiently oversaw the keys from all vendors and transmitted them to the Rhode & Schwarz encryptors. These encryptors were responsible for securing the video conference through encryption.
This multi-vendor configuration demonstrated the practicality of interoperability among diverse QKD technologies and provided a concrete use case for securing communications.
The various types of QKD technology, namely DV-QKD, CV-QKD, and EB-QKD, exhibit distinct characteristics and are best suited for different scenarios. Ensuring effective interoperability between these technologies and implementing a mature and efficient SDN (Software-Defined Networking) and KMS (Key Management System) for orchestrating the network architecture is essential when deploying QKD links in real networks with diverse requirements.
This serves as an illustrative example of the technology's potential, not only within the context of EuroQCi initiative deployment but also in various network environments.
LuxQuanta’s CV-QKD System: NOVA LQ®
LuxQuanta's NOVA LQ® CV-QKD System below the servers of the UPM containing their Stack SDN KMS.
The UPM team has developed advanced software known as the QKD SDN Stack. This software, utilizing programmable or software-defined networking techniques (referred to as SDN in English), empowers end-to-end operation and management of quantum services. More specifically, the local key management system at each node operates independently, overseeing cryptographic resources autonomously, separate from the QKD key provider or the application utilizing them. All of these functionalities are achieved with the involvement of a centralized SDN controller and its agents at each node, serving as a core element of a stack that advocates for European standardization. This effort is carried out through the ETSI QKD working group, which defines standards like ETSI GS QKD 004, fostering interoperability among manufacturers.
THE ORCHESTRATOR: Stack SDN KMS from the University of Madrid
THE EVENT: A CRITICAL SHOWCASE OF THE TECHNOLOGY MATURITY
At the right, Oscar Díez, European Comission's Head of Quantum Computing and Technologies, talking with Felix Wissel from Deutsche Telekom.
Technology Sessios: Dr. Etcheverry, CTO & co-founder of LuxQuanta, about CV-QKD
During the Quantum Communications sessions, Dr. Sebastian Etcheverry, CTO, and co-founder of LuxQuanta, delivered a presentation on the technology behind NOVA LQ®. He conducted an in-depth exploration of the inner workings of Continuous Variable QKD and elucidated the foundational elements of our system's unique value proposition.
Dr. Etcheverry's presentation captured the attention of a broad and engaged audience, and many curious attendees approached him afterward with technical inquiries.
Our commitment to disseminating high-value technical information is of utmost importance to us, serving both the industry and academia. We take pride in developing our products with a robust and cutting-edge scientific foundation.
Left Image. Dr. Etcheverry answering questions after the presentation to many interested attendees. Right Image. Sebastian speaking in forn of the audience.