Inventor
SAEKI MIWA
JP6 patents
Patents
6 patentsUS6204959B1Mar 20, 2001
Signal light monitor and optical amplifier using the same
NEC CORP26 citations91
US6008935ADec 28, 1999
Optical amplifier and optical amplifier gain control method and apparatus
NEC CORP40 citations91
US5974212AOct 26, 1999
Optical line monitor and optical amplification apparatus using same
NEC CORP28 citations90
US6377393B1Apr 23, 2002
Optical amplifier apparatus, optical transmission apparatus equipped with break point detecting function using optical amplifier apparatus, and bidirectional optical transmission apparatus
NEC CORP14 citations81
US6310718B1Oct 30, 2001
Optical amplifying apparatus for detecting break point in optical transmission lines
NEC CORP10 citations71
US5896221AApr 20, 1999
Optical amplifying system having multiple branching units and method therefor
NEC CORP8 citations71