Astrolight and ESA Are Building Northernmost Optical Ground Station in Greenland, First of Its Kind in the Region
Astrolight, a pioneer in laser-based telecommunication systems, has begun building its first Optical Ground Station (OGS) in Kangerlussuaq, Greenland, in partnership with the European Space Agency‘s (ESA) Directorate of Connectivity and Secure Communications. The project, funded under ESA’s Advanced Research in Telecommunications Systems (ARTES) Optical and Quantum Communications – ScyLight programme, marks the northernmost station of its kind and the first established in Greenland. The new OGS will be equipped with advanced laser communication technology, enabling the transfer of data from low Earth orbit (LEO) satellites at higher data rates and more cost-effectively than traditional radio frequency (RF) ground stations.
Greenland was strategically selected to ensure high frequency of satellite connections, as most Earth observation satellites (EOS) in all orbital paths fly over the Arctic region. The new facility, expected to be completed by the end of 2026, will serve as a crucial node between satellites orbiting Earth’s polar region and ground-based data networks. By shifting from RF to laser technology, this station will deliver more than 10 times the data throughput at over 70% lower cost per gigabyte compared to the commonly used RF ground stations, according to Astrolight CEO Laurynas MaÄŤiulis. Operators of satellite constellations are currently able to relay less than 30% of the data produced by modern remote sensing instruments, an issue exacerbated by a projected 190% increase in launched Earth observation satellites over the next decade.
“Astrolight will be the first company to offer a commercially viable, high-throughput optical space-to-Earth data link for micro and small satellites,” says MaÄŤiulis. “This is a pivotal development for industries that process and make decisions based on large quantities of satellite data, from commercial companies to climate researchers. For Astrolight, the station marks a major step toward our goal of building a global optical network.”
Faster data transfer for earth observation and emergency response
The Greenland Optical Ground Station will primarily serve customers in telecommunications and Earth Observation, including space agencies, governmental institutions, and commercial satellite operators focused on collecting optical, hyperspectral, radar, and infrared imaging data. With this new station, they can downlink terabytes of data from satellites much faster and more reliably than with radio-frequency stations. For example, what previously took over four hours to offload via an RF connection can now be accomplished within the short window a satellite is visible in the station’s range, opening the possibility for faster decision-making.
This speed is particularly relevant for industrial data users and those involved in safety-critical sectors. For example, faster transfers will help organizations track environmental conditions such as glacier movement or ship traffic in the Arctic, where time-sensitive information can guide search and rescue operations. Scientific projects depending on high-volume remote sensing, such as those monitoring natural disasters like oil spills and wildfires, will also benefit from improved access to large imaging datasets.
“Fast and secure optical data transmission is essential for keeping up with the rising data demands from next-generation satellites, while enhancing ground infrastructures enables operators and policymakers to improve crucial services for when our users need them most,” said Laurent Jaffart, Director of ESA’s Connectivity and Secure Communications. With this project, we’re continuing to answer to European safety and security needs by transforming connectivity and secure communications from high latitudes. We look forward to further milestones with Astrolight, while further enhancing the resilience and sovereignty of our Member States.”
Enhancing regional resilience and digital sovereignty
The opening of an Optical Ground Station in Greenland will also add layers of resilience to the Arctic’s communication infrastructure, a key concern amidst increasing military activity in the region. Recent incidents like the severing of the Svalbard fiber-optic cable have highlighted the kind of vulnerabilities in current data transfer methods that optical ground stations mitigate. In this context, the Astrolight’s OGS in Greenland will provide necessary redundancy for the Arctic region, providing alternative communication pathways and more resilient links that can withstand both radio frequency interference and interruptions to undersea cables.
Astrolight also plans to integrate multiple backup distribution channels using LEO and GEO satellite relays, strengthening the overall reliability of space-to-ground data connections in the Arctic.
“The optical ground station in Greenland will bring near real-time, high-resolution satellite data directly within reach of Arctic Command and Greenlandic authorities, improving search and rescue reliability, disaster detection, and critical infrastructure management,” says Peter StensgĂĄrd Hansen, Managing Director for Astrolight Denmark. “By situating the facility in Greenland’s Arctic desert, which is often free from interfering cloud cover, we can ensure consistent performance, strengthening communication security for the region as a whole.”
Astrolight’s commitment to building a resilient and secure optical network underscores the increasing need for efficient space-to-Earth data links that support a wide range of applications crucial to environmental monitoring, safety, and regional security in the Arctic and beyond.
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About Astrolight:
Astrolight is on a mission to bridge the connectivity gap between space and Earth with high-speed laser links, uncovering unprecedented capabilities for satellite connectivity and deep space exploration. Founded in 2019, the company aims to provide end-to-end connectivity solutions by building complete and self-contained hardware for ground and space operational domains. Astrolight designs and manufactures advanced optical communication terminals for space-to-Earth, space-to-space, ship-to-ship, and ground-based links in aerospace and defense applications, leveraging full vertical integration of its technology stack to ensure optimal performance, reliability, and faster development cycles.
About ESA’s Optical and Quantum Communications – ScyLight programme
The European Space Agency (ESA) is Europe’s 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
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