Inventor
GENG JIHONG
US14 patents
⚠️ This page may combine multiple inventors who share the name “GENG JIHONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NP PHOTONICS INC
6 patentsUS7272160B1Sep 18, 2007
Single-frequency Brillouin fiber ring laser with extremely narrow linewidth
NP PHOTONICS INC86 citations97
US7283216B1Oct 16, 2007
Distributed fiber sensor based on spontaneous brilluoin scattering
NP PHOTONICS INC93 citations96
US7298547B1Nov 20, 2007
2-μm fiber amplified spontaneous emission (ASE) source
NP PHOTONICS INC23 citations92
US7130319B1Oct 31, 2006
All-fiber Q-switched laser
NP PHOTONICS INC21 citations91
US6965620B2Nov 15, 2005
Erbium-doped phosphate-glass tunable single-mode fiber laser using a tunable fabry-perot filter
NP PHOTONICS INC7 citations67
US6940877B2Sep 6, 2005
High-power narrow-linewidth single-frequency laser
NP PHOTONICS INC6 citations61
ADVALUE PHOTONICS INC
4 patentsUS11899232B2Feb 13, 2024
Fabrication and use of all-optical-fiber polarizer
ADVALUE PHOTONICS INC0 citations62
US7957433B2Jun 7, 2011
Mode-locked two micron fiber lasers
ADVALUE PHOTONICS INC2 citations62
US8509574B2Aug 13, 2013
Faraday rotator and isolator
ADVALUE PHOTONICS INC0 citations50
US11061188B1Jul 13, 2021
Fiber coupler and method for fabrication of the same
ADVALUE PHOTONICS INC0 citations44