Patent ID: 11953804
Assignee: VECTOR ATOMIC, INC.
Field: Optics (Instruments)
Classification: CPC G  H | IPC G

Claim 19:
20. The system of claim 19, further comprising:
a wavelength demultiplexer configured to receive the three optical signals and transmit the first and second portions of the frequency comb on a first optical path and transmit the third portion of the frequency comb on a second optical path;
a first band pass filter (BPF) on the first optical path and configured to filter the first and second portions of the frequency comb;
a first photodiode (PD) configured to generate a first beat note based on detecting the first and second portions of the frequency comb after being filtered by the first BPF;
a second BPF on the second optical path and configured to filter the third portion of the frequency comb and the reference laser; and
a second PD configured to generate a second beat note based on detecting the third portion of the frequency comb and the reference laser after being filtered by the second BPF.