Inventor
SONG JEONGHWAN
KR11 patents
⚠️ This page may combine multiple inventors who share the name “SONG JEONGHWAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
4 patentsUS9989702B2Jun 5, 2018
Polarization rotator for silicon photonics
IBM8 citations84
US9057844B2Jun 16, 2015
Grating edge coupler and method of forming same
IBM10 citations83
US9411106B2Aug 9, 2016
Polarization-independent grating coupler for silicon on insulator
IBM2 citations62
US9091819B2Jul 28, 2015
Grating edge coupler and method of forming same
IBM2 citations62