Psyche Spacecraft With its solar arrays deployed, NASA's Psyche spacecraft would just about cover a tennis court.

https://science.nasa.gov/mission/psyche/spacecraft/ Deep Space Optical Communications (DSOC) NASA’s DSOC experiment is the agency’s first demonstration of optical communications beyond the Earth-Moon system. DSOC is a system that consists of a flight laser transceiver, a ground laser transmitter, and a ground laser receiver. New advanced technologies have been implemented in each of these elements. https://www.nasa.gov/mission/deep-space-optical-communications-dsoc/