A LIDAR transceiver includes an input port, optical antennas, an optical switch, splitters, and mixers. The optical switch switchably couples an input port to the optical antennas. For at least one optical path from the input port to one of the optical antennas, a splitter is coupled along the optical path. The splitter splits a received portion of a laser signal into a local oscillator signal and a transmit signal and outputs a return signal that is a portion of the reflected signal. The transmit signal is emitted through the optical antenna and a reflection of the transmit signal is received through the optical antenna as a reflected signal.
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