1 min read

ESA Achieves World-First Gigabit Laser Link Between Aircraft and Geostationary Satellite

Canopy Hardware

The European Space Agency announced a world-first gigabit-per-second optical laser communication link between an aircraft in flight and a geostationary satellite, demonstrating a viable alternative to high-bandwidth microwave-based air-to-ground communications. The link, established using ESA's TESAT laser terminal and the European Data Relay Satellite (EDRS) constellation, maintained coherent optical communication despite the atmospheric turbulence inherent to airborne platforms. The achievement is a step toward future optical communication infrastructure connecting aircraft fleets directly to satellite backbones without latency-heavy ground relay hops.

Key Takeaways

  • First-ever gigabit-per-second laser link established between an aircraft and a geostationary satellite, demonstrated using ESA's TESAT optical terminal and the EDRS constellation
  • Optical free-space communication (FSO) from an airborne platform must compensate for vibration, attitude changes, and atmospheric turbulence — all solved in this demonstration
  • 162 HN points and 63 comments as of March 1, 2026; implications for next-gen aviation broadband and satellite backbone connectivity without microwave frequency constraints

Original source: ESA