However, with DARPA's new tiny 2D optical phased array, that could all change. ... DARPA has also demonstrated that dynamic beam steering can be achieved by an 8 x 8 array.

Nov 15, 2021: Researchers propose new compact 2D serpentine optical phased array (Nanowerk News) Chip-scale silicon photonics optical phased array (OPA) is widely used in free-space ...