Patent ID: 11888520
Assignee: RAYTHEON BBN TECHNOLOGIES CORP.
Field: Telecommunications (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 10:
11. The photonic RF signal correlator of claim 1, further comprising photonic waveguides integrated on the PIC, wherein the PIC further comprises:
2M photonic waveguides used to couple the M outputs of the first 1 to M optical splitter and the M outputs of the second 1 to M optical splitter to a semiconductor optical amplifier (SOA);
a photonic waveguide used to couple an output of each SOA to the M optical balanced couplers;
a photonic waveguide used to couple the first output of each of the M optical balanced couplers to an input of a first photodetector of the M balanced photodetectors, respectively; and
a photonic waveguide used to couple the second output of each of the M optical balanced couplers to an input of a second photodetector of the M balanced photodetectors, respectively.