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ALPHION CORP
US26 patents
Top patents by PatentIndex Score
US7009210B2Mar 7, 2006
Method and apparatus for bit-rate and format insensitive performance monitoring of lightwave signals
ALPHION CORP17 citations80
US6636318B2Oct 21, 2003
Bit-rate and format insensitive all-optical circuit for reshaping, regeneration and retiming of optical pulse streams
ALPHION CORP16 citations79
US6678086B2Jan 13, 2004
Bit-rate and format insensitive all-option clock extraction circuit
ALPHION CORP7 citations72
US6570697B2May 27, 2003
Format insensitive and bit rate independent optical preprocessor
ALPHION CORP6 citations72
US6563621B2May 13, 2003
Bit-rate and format insensitive all-optical clock extraction circuit
ALPHION CORP8 citations72
US8379301B2Feb 19, 2013
System and method for optical communication using polarization filtering
ALPHION CORP4 citations62
US7987412B2Jul 26, 2011
Reed Solomon decoding of signals having variable input data rates
ALPHION CORP3 citations62
US6804426B2Oct 12, 2004
Device and method for simultaneous multiple reproduction of lightwave signals
ALPHION CORP2 citations62
US7440179B2Oct 21, 2008
SOA-MZI device fault isolation
ALPHION CORP2 citations61
US7239768B2Jul 3, 2007
Photonic integrated circuit
ALPHION CORP3 citations61
US6727991B2Apr 27, 2004
Format insensitive and bit rate independent optical preprocessor
ALPHION CORP3 citations61
US6624924B2Sep 23, 2003
Bit-rate and format insensitive all-optical clock extraction circuit
ALPHION CORP2 citations61
US6594072B2Jul 15, 2003
Bit-rate and format insensitive all-optical clock extraction circuit
ALPHION CORP2 citations61
US7203427B2Apr 10, 2007
Redundant path all-optical regeneration, reshaping and wavelength conversion for enhanced yield
ALPHION CORP4 citations60
US7190909B2Mar 13, 2007
Generation and detection of optical maintenance signals in optical networks
ALPHION CORP2 citations60
US6671467B2Dec 30, 2003
Bit-rate and format insensitive all-optical clock extraction circuit
ALPHION CORP1 citations59
US7916385B2Mar 29, 2011
Apparatus and methods for optical communication
ALPHION CORP6 citations54
US7924498B2Apr 12, 2011
System and method for optical communication using polarization filtering
ALPHION CORP0 citations52
US6956822B2Oct 18, 2005
Restoration management system and method in a MPLS network
ALPHION CORP6 citations52
US7633674B2Dec 15, 2009
SOA-MZI device fault isolation
ALPHION CORP0 citations51
US7319555B2Jan 15, 2008
Integrated performance monitoring, performance maintenance, and failure detection for photonic regenerators
ALPHION CORP0 citations50
US6646794B2Nov 11, 2003
Format insensitive and bit rate independent optical preprocessor
ALPHION CORP0 citations50
US6777252B2Aug 17, 2004
Method and apparatus for testing an individual lightwave chip on a wafer
ALPHION CORP0 citations49
US6856767B2Feb 15, 2005
Optical signal quality selection system
ALPHION CORP1 citations44
US8000605B2Aug 16, 2011
Synchronous OTDM: gapped clock creation and duty cycle multiplication
ALPHION CORP0 citations40
US6724484B2Apr 20, 2004
Format insensitive and bit rate independent optical preprocessor
ALPHION CORP0 citations40