Thales Alenia Space and ESA sign contract for HydRON to demonstrate first multi-orbit optical communication network

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Thales Alenia Space will develop the world's first all-optical, multi-orbit optical space communication network

ESA's HydRON project will meet the challenge of bringing connectivity to multiple users to showcase the capabilities of optical communication technology

The company will leverage its expertise to contribute to Europes technological independence in connectivity services through space.

Cannes, February 14, 2025 - Thales Alenia Space, a joint venture between Thales (67%) and Leonardo (33%), has signed a contract with the European Space Agency (ESA) for Element #2 of the HydRON (High-thRoughput Optical space Network) Demonstration System (DS) for the design, development, deployment and in-orbit demonstration of a full end-to-end optical system to verify and validate the world's first all-optical, high-data-rate, multi-orbit transport network in space.

HydRON is set to transform the way data-collecting satellites communicate, using laser technology that will allow satellites to connect with each other and ground networks much faster.By enabling rapid, high-capacity connections between satellites and ground networks, HydRON will significantly enhance our ability to collect and utilize data from space.

HydRON optical communication for broadband in space ESA

The project will be conducted with the support of the various space agencies involved in this exciting challenge: the Italian Space Agency (ASI), the German Aerospace Center (DLR), the Polish Space Agency (POLSA), the Romanian Space Agency (ROSA), Enterprise Ireland (EI) and the Swiss Space Agency (SSO). Other agencies are expected to join during the project to expand the mission's objectives. HydRON forms part of ESA's Optical and Quantum Communications - ScyLight programme within the Connectivity and Secure Communications directorate.

I am really pleased Thales Alenia Space will be contributing to Europe's technological independence in connectivity services through space, said Giampiero Di Paolo, Deputy CEO and Senior Vice President, Observation, Exploration and Navigation at Thales Alenia Space. Thales Alenia Space believes HydRON Demonstration System is the key enabler for the reliability and operability of a high-throughput optical network in space, paving the way for the future of commercial optical communications in Europe and globally.

It was an honour to sign this contract with Thales Alenia Space, which moves us closer to establishing Europes first optical communication network in space, said Laurent Jaffart, ESA's Director of Connectivity and Secure Communications. HydRON is set to maintain Europe and Canada as global leaders in the optical domain. With the system being interoperable, HydRON will ensure we continue to grow ESA's cooperation with our international partners.

Thales Alenia Space's role in HydRON-DS project

Thales Alenia Space, with its long track record in telecommunication networks and expertise in the production of optical terminals for space, developed in Zurich, has already coordinated a working group involving Telespazio, a joint venture between Leonardo (67%) and Thales (33%), responsible for the ground segment, and other Italian and European companies for Phase A/B1 of the HydRON-DS project. This work was completed at the end of the 2023.

Today, Thales Alenia Space in Italy is ready to lead a European industry consortium for building the HydRON-DS Element #2 mission partition, including the space segment (LEO collector satellite and GEO optical payload) and ground segment (two optical ground stations, mission and network control center and satellite control center).

The project will develop and validate two concepts:

Fiber in the Sky: multi-orbit optical telecommunications at high data rates between space and ground assets.

Internet beyond the Clouds: innovative onboard routing techniques at high throughput (> 100 Gbps) to build an optical space transport network seamlessly integrated with terrestrial fiber-based networks.

The project includes up to two years of in-orbit demonstration to assess the capabilities of key technologies for optical communications and concepts of operations for the network architecture. It will also provide a service demonstration for potential demo users.

About ESA's Optical and Quantum Communications - ScyLight programme

The European Space Agency (ESA) is Europes gateway to space, coordinating the financial and intellectual resources of its Member States to conduct space programmes and activities. Part of Advanced Research in Telecommunications Systems (ARTES), the Optical and Quantum Communications - ScyLight programme focuses on advancing optical and quantum technologies to revolutionise satellite communications. ScyLight supports the research, development and utilisation of these technologies, for instance through the HydRON project for seamlessly integrating space assets into terrestrial communication networks. ESA is enabling future quantum communication networks with ultra-secure global connectivity by advancing space-based quantum key distribution and maturing technologies already available today.

Through supporting industry to develop and extend its manufacturing capabilities, ScyLight helps prepare European and Canadian industry stakeholders to seize related market opportunities.

Learn more at https://connectivity.esa.int/optical-and-quantum-communications

ABOUT THALES ALENIA SPACE

Drawing on over 40 years of experience and a unique combination of skills, expertise and cultures, Thales Alenia Space delivers cost-effective solutions for telecommunications, navigation, Earth observation, environmental management, exploration, science and orbital infrastructures. Governments and private industry alike count on Thales Alenia Space to design satellite-based systems t

LINK:	https://www.thalesgroup.com/en/worldwide/space/press_release/thales-al...
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