Patent ID: 11965982
Assignee: AURORA OPERATIONS, INC.
Field: Measurement (Instruments)
Classification: CPC G  B | IPC B  G

Claim 19:
20. The autonomous vehicle of claim 19, wherein:
a particular optical isolator of the one or more optical isolators comprises an optical splitter comprising at least one input port and a plurality of output ports and a phase shifter respectively coupled to the plurality of output ports of the optical splitter; and
a particular optical isolator of the one or more optical isolators comprises an attenuator respectively coupled to the plurality of output ports of the optical splitter, wherein the attenuator comprises a Mach-Zehnder modulator, the Mach-Zehnder modulator comprising:
a first optical splitter comprising two output ports;
two phase shifters coupled to the two output ports of the first optical splitter, wherein a control signal line is coupled to one of the two phase shifters; and
a second optical splitter comprising two input ports, the two input ports coupled to the two phase shifters.