US 12,228,769 B2
Photonic-chip based optical heterodyne detection using frequency combs
Abijith Sudarsan Kowligy, Livermore, CA (US); Arman Cingoz, Pleasanton, CA (US); and Jonathan David Roslund, Pleasanton, CA (US)
Assigned to Vector Atomic, Inc., Pleasanton, CA (US)
Filed by Vector Atomic, Inc., Pleasanton, CA (US)
Filed on Jul. 18, 2023, as Appl. No. 18/354,187.
Prior Publication US 2025/0028118 A1, Jan. 23, 2025
This patent is subject to a terminal disclaimer.
Int. Cl. G02B 6/293 (2006.01); G02F 1/35 (2006.01); G04F 5/14 (2006.01)
CPC G02B 6/2938 (2013.01) [G02F 1/3528 (2021.01); G02F 2203/56 (2013.01); G04F 5/14 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system, comprising:
a photonic integrated circuit (PIC) comprising a supercontinuum generator; and
a combiner configured to combine a reference laser and a frequency comb, wherein an output of the combiner is coupled to an input of the supercontinuum generator.