Assignee
DITECH CORP
US7 patents
Top patents by PatentIndex Score
US5861981AJan 19, 1999
Optical amplifier having dynamically shaped gain
DITECH CORP89 citations94
US6407854B1Jun 18, 2002
Fiber amplifier with fast transient response and constant gain
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US6016213AJan 18, 2000
Method and apparatus for optical amplifier gain and noise figure measurement
DITECH CORP23 citations88
US5969834AOct 19, 1999
Method and apparatus for monitoring wavelength multiplexed optical signals
DITECH CORP38 citations86
US5887091AMar 23, 1999
Bidirectional optical amplifier having flat gain
DITECH CORP20 citations80
US6229632B1May 8, 2001
Broadband optical transmission system utilizing differential wavelength modulation
DITECH CORP16 citations78
US6381049B1Apr 30, 2002
Multi-port optical multiplexer element
DITECH CORP14 citations76