Inventor
WU YONGAN
US16 patents
⚠️ This page may combine multiple inventors who share the name “WU YONGAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ONETTA INC
10 patentsUS6433921B1Aug 13, 2002
Multiwavelength pumps for raman amplifier systems
ONETTA INC95 citations97
US6423963B1Jul 23, 2002
Safety latch for Raman amplifiers
ONETTA INC131 citations97
US6687049B1Feb 3, 2004
Optical amplifiers with stable output power under low input power conditions
ONETTA INC67 citations95
US6751013B1Jun 15, 2004
Gain-clamped semiconductor optical amplifiers with adjustable gain levels
ONETTA INC29 citations92
US6731424B1May 4, 2004
Dynamic gain flattening in an optical communication system
ONETTA INC49 citations92
US6583926B1Jun 24, 2003
Optical amplifiers with age-based pump current limiters
ONETTA INC32 citations92
US6456429B1Sep 24, 2002
Double-pass optical amplifier
ONETTA INC23 citations92
US6377396B1Apr 23, 2002
Optical amplifiers with variable optical attenuation for use in fiber-optic communications systems
ONETTA INC34 citations92
US6731427B1May 4, 2004
Semiconductor optical amplifier systems
ONETTA INC11 citations73
US6625347B1Sep 23, 2003
Pumps for Raman amplifier systems
ONETTA INC12 citations73