US 12,442,996 B2
Scattering light-based monitor for photonic integrated circuit, monitoring system and monitoring method
Zhuojie Wu, Port Chester, NY (US); and Yusheng Bian, Ballston Lake, NY (US)
Assigned to GlobalFoundries U.S. Inc., Malta, NY (US)
Filed by GlobalFoundries U.S. Inc., Malta, NY (US)
Filed on Jul. 12, 2022, as Appl. No. 17/812,023.
Prior Publication US 2024/0019651 A1, Jan. 18, 2024
Int. Cl. G02B 6/42 (2006.01); G02B 6/122 (2006.01); H04B 10/079 (2013.01); G02B 6/12 (2006.01)
CPC G02B 6/4286 (2013.01) [G02B 6/1228 (2013.01); H04B 10/07955 (2013.01); G02B 2006/12061 (2013.01); G02B 2006/12147 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A structure comprising:
a waveguide core having an end portion with opposing sides;
photodetectors adjacent to at least one side of the end portion; and
at least one collector region between the end portion and a group of the photodetectors,
wherein each collector region includes a collector body having a first sidewall adjacent to the end portion and a second sidewall opposite the first sidewall and adjacent to each of the photodetectors in the group.