| Patent | Date |
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Techniques for high-resolution line monitoring with a standardized output and an optical communication system using the same
Grant 10,142,016 - Mattos , et al. Nov | 2018-11-27 |
Spatial division multiplexed optical communication systems and amplifiers for the same
Grant 10,135,221 - Sun , et al. November 20, 2 | 2018-11-20 |
Optical communication system with distributed wet plant manager
Grant 10,110,466 - Tsaltskan , et al. October 23, 2 | 2018-10-23 |
Techniques for providing adaptive power distribution using a multi-node network of power feed branching units (PFBUs) and an undersea optical communication system using same
Grant 10,110,321 - Muth , et al. October 23, 2 | 2018-10-23 |
TECHNIQUES FOR PROVIDING ADAPTIVE POWER DISTRIBUTION USING A MULTI-NODE NETWORK OF POWER FEED BRANCHING UNITS (PFBUs) AND AN UNDERSEA OPTICAL COMMUNICATION SYSTEM USING SAME
App 20180269990 - Muth; Edwin ; et al. | 2018-09-20 |
Techniques for provisioning network elements of a data communications network (DCN) and an optical communication system using the same
Grant 10,056,978 - Mattos , et al. August 21, 2 | 2018-08-21 |
Techniques for High-Resolution Line Monitoring with a Standardized Output and an Optical Communication System Using the Same
App 20180205455 - Mattos; Roberto ; et al. | 2018-07-19 |
Branching configuration including separate branching unit and predetermined wavelength filter unit and system and method including the same
Grant 10,003,425 - Abbott June 19, 2 | 2018-06-19 |
Separation Duct Having Longitudinal Spacers
App 20180128401 - Schaefer, JR.; Thomas E. | 2018-05-10 |
Efficient optical signal amplification systems and methods
Grant 9,967,051 - Zhang , et al. May 8, 2 | 2018-05-08 |
Optical communication system and method using a nonlinear reversible code for probablistic constellation shaping
Grant 9,929,813 - Batshon , et al. March 27, 2 | 2018-03-27 |
Branching Configuration Including A Cross-coupling Arrangement To Provide Fault Tolerance And Topside Recovery In The Event Of Subsea Umbilical Assembly Failure And System And Method Including Same
App 20180083697 - Thomas; Robert B. ; et al. | 2018-03-22 |
Spatial Division Multiplexed Optical Communication Systems And Amplifiers For The Same
App 20180069370 - Sun; Yu ; et al. | 2018-03-08 |
Coded modulation with amplitude and phase-shift keying having a circular constellation for variable spectral efficiency
Grant 9,900,105 - Batshon , et al. February 20, 2 | 2018-02-20 |
Techniques For Provisioning Network Elements Of A Data Communications Network (dcn) And An Optical Communication System Using The Same
App 20170359124 - Mattos; Roberto ; et al. | 2017-12-14 |
Polarization Modulation of Supervisory Signals for Reducing Interference with Data Signals
App 20170359127 - Moeller; Lothar ; et al. | 2017-12-14 |
Efficient optical signal amplification systems and methods
Grant 9,825,726 - Bolshtyansky , et al. November 21, 2 | 2017-11-21 |
Transmission system and method using mixed modulation formats
Grant 9,806,840 - Wang , et al. October 31, 2 | 2017-10-31 |
System and method for multi-dimensional modulation using multiple constellations
Grant 9,780,883 - Zhang , et al. October 3, 2 | 2017-10-03 |
System and method for multi-dimensional modulation using multiple constellations
Grant 9,780,990 - Zhang , et al. October 3, 2 | 2017-10-03 |
Optical communication system with a hierarchical branch configuration
Grant 9,749,082 - Muth , et al. August 29, 2 | 2017-08-29 |
System and method using fault injection into line monitoring system baselines
Grant 9,749,041 - Kram , et al. August 29, 2 | 2017-08-29 |
Efficient Optical Signal Amplification Systems And Methods
App 20170214483 - Bolshtyansky; Maxim ; et al. | 2017-07-27 |
Efficient Optical Signal Amplification Systems And Methods
App 20170214484 - Zhang; Sheng ; et al. | 2017-07-27 |
Adaptive equalizer with coefficients determined using groups of symbols to compensate for nonlinear distortions in optical fiber communications
Grant 9,712,252 - Bolshtyansky , et al. July 18, 2 | 2017-07-18 |
Optical communication system with a hierarchical branch configuration
Grant 9,712,274 - Thoguluva , et al. July 18, 2 | 2017-07-18 |
Adaptive Equalizer with Coefficients Determined Using Groups of Symbols to Compensate for Nonlinear Distortions in Optical Fiber Communications
App 20170149510 - Bolshtyansky; Maxim ; et al. | 2017-05-25 |
Optical Communication System with Distributed Wet Plant Manager
App 20170149650 - Tsaltskan; Yuriy ; et al. | 2017-05-25 |
Conductive water blocking material including metallic particles and an optical cable and method of constructing an optical cable including the same
Grant 9,658,417 - Kordahi May 23, 2 | 2017-05-23 |
Symmetric optical multiplexing node
Grant 9,641,275 - Manna May 2, 2 | 2017-05-02 |
Optical subcarrier multiplex system with joint forward error correction coding
Grant 9,634,803 - Cai , et al. April 25, 2 | 2017-04-25 |
System and Method for Applying System Policies in an Optical Communication System Having User-Allocated Bandwidth
App 20170111138 - Muth; Edwin ; et al. | 2017-04-20 |
Spatial Division Multiplexing in Limited Power Optical Communication Systems
App 20170063467 - Pilipetskii; Alexei ; et al. | 2017-03-02 |
System and method for applying system policies in an optical communication system having user-allocated bandwidth
Grant 9,559,801 - Muth , et al. January 31, 2 | 2017-01-31 |
Spatial division multiplexing in limited power optical communication systems
Grant 9,503,197 - Pilipetskii , et al. November 22, 2 | 2016-11-22 |
Transmission System and Method Using Mixed Modulation Formats
App 20160337068 - Wang; Hongsheng ; et al. | 2016-11-17 |
System and method using spectral shaping and expanded channel spacing
Grant 9,450,678 - Mazurczyk , et al. September 20, 2 | 2016-09-20 |
Optical Communication System with a Hierarchical Branch Configuration
App 20160248536 - Thoguluva; Janar ; et al. | 2016-08-25 |
Optical Communication System with a Hierarchical Branch Configuration
App 20160248538 - Muth; Edwin ; et al. | 2016-08-25 |
System and Method for Applying System Policies in an Optical Communication System Having User-Allocated Bandwidth
App 20160226617 - Muth; Edwin ; et al. | 2016-08-04 |
System and method using cascaded single partity check coding
Grant 9,407,398 - Batshon , et al. August 2, 2 | 2016-08-02 |
System and method including modified bit-interleaved coded modulation
Grant 9,397,786 - Zhang , et al. July 19, 2 | 2016-07-19 |
System and method for cycle slip correction
Grant 9,336,079 - Zhang , et al. May 10, 2 | 2016-05-10 |
Coded modulation for small step-size variable spectral efficiency
Grant 9,337,935 - Batshon , et al. May 10, 2 | 2016-05-10 |
System And Method For Multi-dimensional Modulation Using Multiple Constellations
App 20160127166 - Zhang; Hongbin ; et al. | 2016-05-05 |
System and Method for Multi-Dimensional Modulation Using Multiple Constellations
App 20160127046 - Zhang; Hongbin ; et al. | 2016-05-05 |
Orthogonally-combining interleaving filter multiplexer and systems and methods using same
Grant 9,319,169 - Jander , et al. April 19, 2 | 2016-04-19 |
Dispersion management in optical networks including both coherent and direct detection receivers
Grant 9,300,402 - Anderson , et al. March 29, 2 | 2016-03-29 |
Spatial Division Multiplexing In Limited Power Optical Communication Systems
App 20160072587 - Pilipetskii; Alexei ; et al. | 2016-03-10 |
Fault recovery in branched optical networks
Grant 9,276,694 - Wang , et al. March 1, 2 | 2016-03-01 |
System and Method for Monitoring Filters in an Optical Add-Drop Multiplexer
App 20150318948 - Kerfoot, III; Franklin Webb ; et al. | 2015-11-05 |
Method and system for fault recovery in an optical network
Grant 9,160,445 - Mu , et al. October 13, 2 | 2015-10-13 |
Symmetric Optical Multiplexing Node
App 20150256282 - Manna; Massimo | 2015-09-10 |
System and method for fault identification in optical communication systems
Grant 9,130,672 - Zhang September 8, 2 | 2015-09-08 |
System and method for remote device application upgrades
Grant 9,104,521 - Sabet , et al. August 11, 2 | 2015-08-11 |
System and Method for Cycle Slip Correction
App 20150160997 - Zhang; Hongbin ; et al. | 2015-06-11 |
Conductive Water Blocking Material Including Metallic Particles and an Optical Cable and Method of Constructing an Optical Cable Including the Same
App 20150153530 - Kordahi; Maurice E. | 2015-06-04 |
System And Method Using Spectral Shaping And Expanded Channel Spacing
App 20150104181 - Mazurczyk; Matthew V. ; et al. | 2015-04-16 |
Coded Modulation for Small Step-Size Variable Spectral Efficiency
App 20150071640 - Batshon; Hussam G. ; et al. | 2015-03-12 |
System And Method Using Cascaded Single Partity Check Coding
App 20150071312 - Batshon; Hussam G. ; et al. | 2015-03-12 |
Method And System For Fault Recovery In An Optical Network
App 20150063797 - Mu; Ruomei ; et al. | 2015-03-05 |
System and method for generating soft decision reliability information from hard decisions in an optical signal receiver
Grant 8,948,612 - Cai , et al. February 3, 2 | 2015-02-03 |
System and method for signaling between elements in an undersea optical communication system and system incorporating the same
Grant 8,934,775 - Abbott January 13, 2 | 2015-01-13 |
System and method for cycle slip correction
Grant 8,924,823 - Zhang , et al. December 30, 2 | 2014-12-30 |
System and method for cycle slip correction
Grant 08924823 - | 2014-12-30 |
System and method for blind equalization and carrier phase recovery in a quadrature amplitude modulated system
Grant 8,913,901 - Zhang , et al. December 16, 2 | 2014-12-16 |
Method and system for fault recovery in an optical network
Grant 8,891,957 - Mu , et al. November 18, 2 | 2014-11-18 |
System And Method For Cycle Slip Correction
App 20140281832 - Zhang; Hongbin ; et al. | 2014-09-18 |
Generating higher-level quadrature amplitude modulation (QAM) using a delay line interferometer and systems and methods incorporating same
Grant 8,805,204 - Zhang , et al. August 12, 2 | 2014-08-12 |
System and method for polarization de-multiplexing in a coherent optical receiver
Grant 8,805,208 - Zhang , et al. August 12, 2 | 2014-08-12 |
System and Method for Fault Identification in Optical Communication Systems
App 20140212131 - Zhang; Hongbin | 2014-07-31 |
Distributed network management system and method
Grant 8,775,589 - Liss , et al. July 8, 2 | 2014-07-08 |
System and method including modified bit-interleaved coded modulation with fractional secondary coding
Grant 8,775,892 - Zhang , et al. July 8, 2 | 2014-07-08 |
System and method for establishing secure communications between transceivers in undersea optical communication systems
Grant 8,750,707 - Sabet , et al. June 10, 2 | 2014-06-10 |
Orthogonally-combining wavelength selective switch multiplexer and systems and methods using same
Grant 8,731,402 - Jander , et al. May 20, 2 | 2014-05-20 |
System and method for forward error correction decoding using soft information
Grant 8,732,561 - Cai , et al. May 20, 2 | 2014-05-20 |
Fault Recovery In Branched Optical Networks
App 20140099098 - Wang; Hongsheng ; et al. | 2014-04-10 |
Optical communication system supporting detection and communication networks
Grant 8,682,159 - Kovsh , et al. March 25, 2 | 2014-03-25 |
System and Method Including Modified Bit-Interleaved Coded Modulation with Fractional Secondary Coding
App 20140068385 - Zhang; Hongbin ; et al. | 2014-03-06 |
Pilot Symbol Aided Carrier Phase Estimation
App 20140010532 - Zhang; Hongbin ; et al. | 2014-01-09 |
Soft decision threshold control in a signal receiver using soft decision error correction
Grant 8,621,307 - Cai , et al. December 31, 2 | 2013-12-31 |
Method And System For Communication For Underwater Communications
App 20130328691 - Coble; James Hugh | 2013-12-12 |
Pilot symbol aided carrier phase estimation
Grant 8,588,624 - Zhang , et al. November 19, 2 | 2013-11-19 |
Coupling multiple conductor undersea optical cables to an undersea device with an isolated bypass conductive path across the undersea device
Grant 8,559,773 - Kordahi , et al. October 15, 2 | 2013-10-15 |
Optical add/drop multiplexer including reconfigurable filters and system including the same
Grant 8,554,081 - Kovsh , et al. October 8, 2 | 2013-10-08 |
Joint carrier phase estimation and forward error correction
Grant 8,543,882 - Cai September 24, 2 | 2013-09-24 |
Configuration and operation of inverse multiplexing communication system
Grant 8,537,852 - Golovchenko , et al. September 17, 2 | 2013-09-17 |
System and Method for Blind Equalization and Carrier Phase Recovery in a Quadrature Amplitude Modulated System
App 20130216239 - Zhang; Hongbin ; et al. | 2013-08-22 |
System and Method Including Modified Bit-Interleaved Coded Modulation
App 20130216221 - Zhang; Hongbin ; et al. | 2013-08-22 |
System and Method for Polarization De-Multiplexing in a Coherent Optical Receiver
App 20130202021 - Zhang; Hongbin ; et al. | 2013-08-08 |
Coupling Multiple Conductor Undersea Optical Cables To An Undersea Device With An Isolated Bypass Conductive Path Across The Undersea Device
App 20130188909 - Kordahi; Maurice E. ; et al. | 2013-07-25 |
System and method for monitoring a branched optical communication system
Grant 8,483,559 - Zhang , et al. July 9, 2 | 2013-07-09 |
Correlation-control QPSK transmitter
Grant 8,483,574 - Zhang , et al. July 9, 2 | 2013-07-09 |
Hybrid optical add-drop multiplexing network and wavelength allocation for the same
Grant 8,483,564 - Mu , et al. July 9, 2 | 2013-07-09 |
System and Method Using Fault Injection into Line Monitoring System Baselines
App 20130129343 - Kram; Richard ; et al. | 2013-05-23 |
Vestigial phase shift keying modulation and systems and methods incorporating same
Grant 8,437,644 - Zhang , et al. May 7, 2 | 2013-05-07 |
Detection of data in signals with data pattern dependent signal distortion
Grant 8,401,402 - Cai , et al. March 19, 2 | 2013-03-19 |
Channel power management in a branched optical communication system
Grant 8,401,391 - Kovsh , et al. March 19, 2 | 2013-03-19 |
Flexible branching unit and system including the same
Grant 8,401,392 - Kovsh , et al. March 19, 2 | 2013-03-19 |
Detection of data in signals with data pattern dependent signal distortion
Grant 8,401,400 - Cai , et al. March 19, 2 | 2013-03-19 |
Method And System For Fault Recovery In An Optical Network
App 20130016964 - Mu; Ruomei ; et al. | 2013-01-17 |
Local oscillator frequency offset compensation in a coherent optical signal receiver
Grant 8,340,530 - Cai December 25, 2 | 2012-12-25 |
Coupling multiple conductor undersea optical cables to an undersea device with an isolated bypass conductive path across the undersea device
Grant 8,328,431 - Kordahi , et al. December 11, 2 | 2012-12-11 |
Novel Architecture For Undersea Repeaterless Systems
App 20120294619 - Richardson; Lee John ; et al. | 2012-11-22 |
Data pattern dependent distortion compensation in a coherent optical signal receiver
Grant 8,306,418 - Cai November 6, 2 | 2012-11-06 |
System and method for distributed fault sensing and recovery
Grant 8,305,877 - Sabet , et al. November 6, 2 | 2012-11-06 |
Dual stage carrier phase estimation in a coherent optical signal receiver
Grant 8,295,713 - Cai October 23, 2 | 2012-10-23 |
System and Method for Establishing Secure Communications Between Transceivers in Undersea Optical Communication Systems
App 20120263476 - Sabet; Sameh A. ; et al. | 2012-10-18 |
Orthogonal Band Launch For Repeaterless Systems
App 20120257899 - Richardson; Lee ; et al. | 2012-10-11 |
Polarization multiplexing with different DPSK modulation schemes and system incorporating the same
Grant 8,270,847 - Zhang , et al. September 18, 2 | 2012-09-18 |
Vestigial Phase Shift Keying Modulation And Systems And Methods Incorporating Same
App 20120213521 - Zhang; Hongbin ; et al. | 2012-08-23 |
Generating Higher-level Quadrature Amplitude Modulation (qam) Using A Delay Line Interferometer And Systems And Methods Incorporating Same
App 20120213522 - Zhang; Hongbin ; et al. | 2012-08-23 |
Communicating with components in optical communication systems using voltage signal detection and signature analysis
Grant 8,244,140 - Kram , et al. August 14, 2 | 2012-08-14 |
System and Method for Monitoring a Branched Optical Communication System
App 20120177362 - Zhang; Hongbin ; et al. | 2012-07-12 |
Dispersion Management in Optical Networks Including Both Coherent and Direct Detection Receivers
App 20120148259 - Anderson; William ; et al. | 2012-06-14 |
System And Method For Generating Soft Decision Reliability Information From Hard Decisions In An Optical Signal Receiver
App 20120141144 - Cai; Yi ; et al. | 2012-06-07 |
Distributed messaging system and method for sharing network status data
Grant 8,180,882 - Liss , et al. May 15, 2 | 2012-05-15 |
Correlation -control Qpsk Transmitter
App 20120093510 - Zhang; Hongbin ; et al. | 2012-04-19 |
Joint Carrier Phase Estimation And Forward Error Correction
App 20120096327 - Cai; Yi | 2012-04-19 |
Wavelength Selective Switch Band Aggregator and Band Deaggregator and Systems and Methods Using Same
App 20120087658 - Jander; Ralph Brian | 2012-04-12 |
Orthogonally-Combining Wavelength Selective Switch Multiplexer and Systems and Methods Using Same
App 20120087657 - Jander; Ralph Brian ; et al. | 2012-04-12 |
System and method for fault identification in optical communication systems
Grant 8,135,274 - Zhang , et al. March 13, 2 | 2012-03-13 |
Orthogonally-Combining Interleaving Filter Multiplexer and Systems and Methods Using Same
App 20120008950 - Jander; Ralph Brian ; et al. | 2012-01-12 |
Frequency offset polarization multiplexing modulation format and system incorporating the same
Grant 8,090,270 - Zhang , et al. January 3, 2 | 2012-01-03 |
System and method for spectral loading an optical transmission system
Grant 8,064,770 - Manna November 22, 2 | 2011-11-22 |
Configuration And Operation Of Inverse Multiplexing Communication System
App 20110274119 - Golovchenko; Ekaterina A. ; et al. | 2011-11-10 |
Pilot Symbol Aided Carrier Phase Estimation
App 20110274442 - Zhang; Hongbin ; et al. | 2011-11-10 |
High loss loop back for long repeater span
Grant 8,009,983 - Zhang August 30, 2 | 2011-08-30 |
System and method for suppressing beat noise in line monitoring equipment
Grant 8,005,358 - Zhang , et al. August 23, 2 | 2011-08-23 |
Flexible Branching Unit and System Including the Same
App 20110200322 - Kovsh; Dmitriy ; et al. | 2011-08-18 |
Coupling Multiple Conductor Undersea Optical Cables To An Undersea Device With An Isolated Bypass Conductive Path Across The Undersea Device
App 20110188803 - Kordahi; Maurice E. ; et al. | 2011-08-04 |
System and method for gain equalization and optical communication system incorporating the same
Grant 7,924,497 - Nissov , et al. April 12, 2 | 2011-04-12 |
Hybrid Optical Add-Drop Multiplexing Network and Wavelength Allocation for the Same
App 20110026925 - Mu; Ruomei ; et al. | 2011-02-03 |
Optical fiber transmission system with noise loading
Grant 7,881,611 - Mohs , et al. February 1, 2 | 2011-02-01 |
Optical receiver including a system and method of controlling gain of an optical amplifier
Grant 7,877,019 - Domagala January 25, 2 | 2011-01-25 |
System and method for monitoring an optical communication system
Grant 7,872,738 - Abbott January 18, 2 | 2011-01-18 |
System and method for optical time domain reflectometry using multi-resolution code sequences
Grant 7,872,737 - Zhang , et al. January 18, 2 | 2011-01-18 |
Branching Configuration Including Separate Branching Unit and Predetermined Wavelength Filter Unit and System and Method Including the Same
App 20100290786 - Abbott; Stuart M. | 2010-11-18 |
System and method using differential loop gain for fault identification in line monitoring equipment
Grant 7,809,279 - Zhang , et al. October 5, 2 | 2010-10-05 |
Local Oscillator Frequency Offset Compensation in a Coherent Optical Signal Receiver
App 20100232805 - Cai; Yi | 2010-09-16 |
Data Pattern Dependent Distortion Compensation in a Coherent Optical Signal Receiver
App 20100232796 - Cai; Yi | 2010-09-16 |
Detection of Data in Signals with Data Pattern Dependent Signal Distortion
App 20100232809 - Cai; Yi ; et al. | 2010-09-16 |
Dual Stage Carrier Phase Estimation in a Coherent Optical Signal Receiver
App 20100232788 - Cai; Yi | 2010-09-16 |
Detection of Data in Signals with Data Pattern Dependent Signal Distortion
App 20100232797 - Cai; Yi ; et al. | 2010-09-16 |
System and method for wavelength monitoring and control
Grant 7,778,550 - Zhang , et al. August 17, 2 | 2010-08-17 |
Optical receiver
Grant 7,747,176 - Domagala June 29, 2 | 2010-06-29 |
Dispersion management in optical networks using a differential phase shift keying modulation format
Grant 7,734,187 - Pilipetskii , et al. June 8, 2 | 2010-06-08 |
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