On June 17, 2025, a team led by Prof. Wu Jian (Peking University of Posts & Telecommunications) and Dr. Liu Chao (Chinese Academy of Sciences) achieved a 1 Gbps downlink from a geostationary satellite using a 2-watt optical laser. The GEO satellite was parked about 36,705 km above Earth and beamed data to a ground…
Read more
On 17 June 2025, Prof. Wu Jian of Peking University and Dr. Liu Chao of the Chinese Academy of Sciences down-linked 1 Gbps from an unnamed GEO satellite 36,705 km above Earth using a 2-watt laser. The AO‑MDR method combines 357 micro-mirrors on a 1.8 m telescope to reshape the wavefront and eight spatial modes,…
Read more
