SpaceX Reveals 8,000 satellite to satellite laser links.
https://www.tesmanian.com/blogs/tesmanian-blog/starlink-video#:~:text=The%20’space%20laser’%20feature%2C,Gateway%20ground%20station%20on%20Earth.
Electronics & Stuff, a lot about LEDs
SpaceX Reveals 8,000 satellite to satellite laser links.
https://www.tesmanian.com/blogs/tesmanian-blog/starlink-video#:~:text=The%20’space%20laser’%20feature%2C,Gateway%20ground%20station%20on%20Earth.