MIT/DARPA also have a combined solid state steerable beam transmitter and sensor using phased arrays: http://spectrum.ieee.org/tech-talk/semiconductors/optoele

MIT/DARPA also have a combined solid state steerable beam transmitter and sensor using phased arrays: http://spectrum.ieee.org/tech-talk/semiconductors/optoelectronics/mit-lidar-on-a-chip http://spectrum.ieee.org/tech-talk/semiconductors/optoelectr...