Inventor
ROBERTS KIM B
CA147 patents
⚠️ This page may combine multiple inventors who share the name “ROBERTS KIM B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NORTEL NETWORKS LTD
27 patentsUS7769305B1Aug 3, 2010
High-speed digital signal processing in a coherent optical receiver
NORTEL NETWORKS LTD93 citations99
US7636525B1Dec 22, 2009
Signal acquisition in a coherent optical receiver
NORTEL NETWORKS LTD120 citations99
US7701842B2Apr 20, 2010
Low conversion rate digital dispersion compensation
NORTEL NETWORKS LTD113 citations98
US7684712B1Mar 23, 2010
Non-linear equalizer in a coherent optical receiver
NORTEL NETWORKS LTD59 citations98
US7555227B2Jun 30, 2009
Polarization compensation in a coherent optical receiver
NORTEL NETWORKS LTD57 citations98
US7627252B2Dec 1, 2009
Clock recovery from an optical signal with dispersion impairments
NORTEL NETWORKS LTD54 citations97
US7606498B1Oct 20, 2009
Carrier recovery in a coherent optical receiver
NORTEL NETWORKS LTD117 citations97
US7382984B2Jun 3, 2008
Electrical domain compensation of optical dispersion in an optical communications system
NORTEL NETWORKS LTD51 citations96
US6735259B1May 11, 2004
Method and apparatus for optimization of a data communications system using sacrificial bits
NORTEL NETWORKS LTD67 citations96
US6473214B1Oct 29, 2002
Methods of and apparatus for optical signal transmission
NORTEL NETWORKS LTD121 citations95
US7561797B1Jul 14, 2009
Optical signal transmitter with active optical e-field degradation
NORTEL NETWORKS LTD20 citations93
US7457538B2Nov 25, 2008
Digital performance monitoring for an optical communications system
NORTEL NETWORKS LTD18 citations93
US7286564B2Oct 23, 2007
Mapping arbitrary signals into SONET
NORTEL NETWORKS LTD31 citations93
US7221820B2May 22, 2007
High spectral efficiency, high performance optical MUX and DEMUX architecture
NORTEL NETWORKS LTD24 citations93
US7002986B1Feb 21, 2006
Mapping arbitrary signals into SONET
NORTEL NETWORKS LTD24 citations93
US6839523B1Jan 4, 2005
Monitoring distributed gain in an optical transmission system
NORTEL NETWORKS LTD31 citations93
US7532822B2May 12, 2009
Clock recovery from an optical signal with polarization impairments
NORTEL NETWORKS LTD38 citations92
US7522841B2Apr 21, 2009
Efficient data transmission and training of data processing functions
NORTEL NETWORKS LTD46 citations92
US7382985B2Jun 3, 2008
Electrical domain mitigation of polarization dependent effects in an optical communications system
NORTEL NETWORKS LTD50 citations92
US7356256B1Apr 8, 2008
Digital performance monitoring for an optical communications system
NORTEL NETWORKS LTD37 citations92
US7277603B1Oct 2, 2007
Integrated optical waveform modulation
NORTEL NETWORKS LTD32 citations92
US7149432B1Dec 12, 2006
Method and apparatus for equalization across plural data channels
NORTEL NETWORKS LTD26 citations92
US7023942B1Apr 4, 2006
Method and apparatus for digital data synchronization
NORTEL NETWORKS LTD26 citations92
US7245582B1Jul 17, 2007
Protection switching in a multi-stage switch fabric
NORTEL NETWORKS LTD29 citations90
US6781537B1Aug 24, 2004
High speed digital to analog converter
NORTEL NETWORKS LTD36 citations89
US6816487B1Nov 9, 2004
Mapping of high bandwidth connections in a multi-stage switch
NORTEL NETWORKS LTD26 citations86
US6687464B1Feb 3, 2004
Optimization of a communications system based on identification of an optical medium
NORTEL NETWORKS LTD24 citations86
CIENA CORP
11 patentsUS7899340B1Mar 1, 2011
Laser control in a coherent optical receiver
CIENA CORP72 citations99
US8009985B1Aug 30, 2011
Traffic driven variable bandwidth optical transmission
CIENA CORP62 citations98
US7936999B1May 3, 2011
Automatic gain control in a coherent optical receiver
CIENA CORP84 citations98
US7756421B2Jul 13, 2010
Electrical domain compensation of non-linear effects in an optical communications system
CIENA CORP111 citations98
US7894728B1Feb 22, 2011
Sample timing control in an optical receiver
CIENA CORP88 citations95
US10680739B2Jun 9, 2020
Systems and methods to increase capacity in optical networks based on excess margin
CIENA CORP22 citations94
US10148384B2Dec 4, 2018
Systems and methods to increase capacity in optical networks based on excess margin
CIENA CORP11 citations93
US9698939B2Jul 4, 2017
Variable spectral efficiency optical modulation schemes
CIENA CORP28 citations93
US8385747B2Feb 26, 2013
Signal equalizer in a coherent receiver
CIENA CORP33 citations93
US8023402B2Sep 20, 2011
Low conversion rate digital dispersion compensation
CIENA CORP24 citations93
US7894721B2Feb 22, 2011
Control of parameters in a global optical controller
CIENA CORP26 citations92
NORTHERN TELECOM LTD
4 patentsUS5513029AApr 30, 1996
Method and apparatus for monitoring performance of optical transmission systems
NORTHERN TELECOM LTD289 citations99
US5579328ANov 26, 1996
Digital control of laser diode power levels
NORTHERN TELECOM LTD115 citations97
US5365510ANov 15, 1994
Communications system with a single protection loop
NORTHERN TELECOM LTD49 citations90
US4995045AFeb 19, 1991
Laser control circuit
NORTHERN TELECOM LTD39 citations89
ROBERTS KIM B
3 patentsUS9143238B2Sep 22, 2015
Optical modulation schemes having reduced nonlinear optical transmission impairments
ROBERTS KIM B32 citations94
US8594499B1Nov 26, 2013
Monitoring phase non-linearities in an optical communications system
ROBERTS KIM B25 citations92
US10784980B2Sep 22, 2020
Adjustment of control parameters of section of optical fiber network
ROBERTS KIM B11 citations85
OVEIS GHARAN SHAHAB
2 patentsSWINKELS GERARD L
2 patentsKHANDANI AMIR
1 patentShowing the top 50 of 147 patents by PatentIndex Score.