ERMIS-3 Demonstrates 1 Gbps Optical Downlink in Milestone for Greek Space Program
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ERMIS-3 Demonstrates Satellite Laser Communications From Greece
ERMIS-3, a Greek CubeSat, has established a laser connection with the Holomondas Optical Ground Station in Greece. ESA reported the demonstration on November 2, 2026, identifying it as Greece’s first optical link with a satellite in low Earth orbit. The spacecraft carries a miniature terminal that sends information through a precisely directed beam of light.
ERMIS-3, a small Greek satellite, has established a laser link with a ground station in Greece, announced the European Space Agency this Monday, November 2, 2026. It is the country's first optical link to a satellite in low orbit.
Data beam instead of radio wave: A small Greek satellite has established a laser connection to a ground station, which now works largely automatically twice a day. Data is currently transmitted with one gigabit per second via the tightly bundled light beam. The test shows that even small satellites can establish powerful optical connections, but their operation depends on the weather. Thessaloniki (Greece). For [...] The article Small satellite …
ERMIS-3 Demonstrates 1 Gbps Optical Downlink in Milestone for Greek Space Program
Greece's ERMIS-3 CubeSat has successfully established an optical communications link with a ground station in the country, demonstrating laser-based data transmission between a small satellite in low Earth orbit and Earth. The achievement marks Greece's first successful optical link with a LEO satellite and represents a step toward validating high-capacity laser communications on smaller spacecraft.
Despite the complexity of the operation, ERMIS-3, a CubeSat 8U developed by the National and Capodistrian University of Athens, has established a link with a ground optical station, marking an important step in the validation of optical communications on small satellites. The demonstration, supported by the European Space Agency (ESA) and carried out using optical terminals [...]
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