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Inventor

Maurice O'Sullivan

Inventor
Ottawa, CA

Overview

70→
Patents
1989–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 70 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Bprimary
H04BTransmission51%
H04JMultiplex communication17%
H04LTransmission of digital information, e.g. telegraphic communication9%
G01MTesting static or dynamic balance of machines or structures5%
H04QSelecting3%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light3%
G02BOptical elements, systems or apparatus3%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light3%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein2%
G06NComputing arrangements based on specific computational models2%
PatentTitleYear
10,845,268Monitorable hollow core optical fiber202010,826,605Pseudo frequency division multiplexing202010,809,150Methods and assemblies for using electrostriction to characterize properties of optical fiber202010,608,746Mitigation of electrical-to-optical conversion impairments induced at transmitter202010,574,352Compensation of transmitter or receiver defects in an optical communications system202010,523,362Systems and methods for error-free reconstruction of transmitted symbols in a coherent receiver201910,444,114Methods and assemblies for using electrostriction to characterize properties of optical fiber201910,439,751Power control in an optical fiber network201910,419,109Pseudo frequency division multiplexing201910,389,447Dimensional transformation201910,270,537Method and system for nonlinear interference mitigation201910,236,982Fiber parameter identification201910,193,620Nonlinear spatially resolved interferometer for characterizing optical properties of deployed telecommunication cables201910,164,707Optical dispersion compensation in the electrical domain in an optical communications system201810,090,920Fiber kerr nonlinear noise estimation201810,014,947Mitigation of electrical-to-optical conversion impairments induced at transmitter20189,973,277Reduced complexity nonlinear compensation20189,960,843Nonlinear spatially resolved interferometer (NL-SRI) for characterizing optical properties of deployed telecommunication cables20189,853,725Optical dispersion compensation in the electrical domain in an optical communications system20179,774,392'Systems and methods using a polarimeter to localize state of polarization transients on optical fibers'20179,768,880'Method and system for nonlinear interference mitigation'20179,768,875'Optical modulation schemes having reduced nonlinear optical transmission impairments'20179,749,058'Nonlinear tolerant optical modulation formats at high spectral efficiency'20179,559,778'Optical dispersion compensation in the electrical domain in an optical communications system'20179,319,137'Methods and systems for reduced complexity nonlinear compensation'20169,143,238'Optical modulation schemes having reduced nonlinear optical transmission impairments'20158,958,696'Coherent augmented optical add-drop multiplexer'20158,787,754'Rapid calculation of nonlinear optical transmission impairments'20148,781,317'Monitoring phase non-linearities in an optical communication system'20148,705,982'System and method for reducing memory requirements for electrical domain compensation of intra-channel nonlinearity in an optical communications system'20148,594,499'Monitoring phase non-linearities in an optical communications system'20138,355,631'Reducing optical service channel interference in phase modulated wavelength division multiplexed (WDM) communication systems'20138,249,467'Self test of a dual polarization transmitter'20128,139,954'System and method for reducing memory requirements for electrical domain compensation of intra-channel nonlinearity in an optical communications system'20128,023,402'Low conversion rate digital dispersion compensation'20117,756,421'Electrical domain compensation of non-linear effects in an optical communications system'20107,701,842'Low conversion rate digital dispersion compensation'20107,680,420'Optical E-field modulation using a directly driven laser'20107,672,595'Optical transmission system architecture supporting migration to electronic compensation of link impairments'20107,555,227'Polarization compensation in a coherent optical receiver'20097,382,985'Electrical domain mitigation of polarization dependent effects in an optical communications system'20087,376,358'Location specific optical monitoring'20087,352,971'Broadband control of polarization mode dispersion'20087,305,183'Measurement of polarization dependent loss in an optical transmission system'20077,274,879'Compensation of temperature-induced dispersion drift in optical communication links'20077,200,339'Method and apparatus for laser line-width compensation'20077,155,128'Decorrelation of WDM signals'20067,023,601'Optical E-field modulation using a Mach-Zehnder interferometer'20066,687,009'Method and apparatus for high resolution monitoring of optical signals'20046,687,464'Optimization of a communications system based on identification of an optical medium'20046,650,673'Generation of short optical pulses using strongly complex coupled DFB lasers'20036,493,088'Method and apparatus for high resolution monitoring of optical signals'20026,486,990'Method and apparatus for communicating a clock signal in a soliton optical transmission system'20026,473,214'Methods of and apparatus for optical signal transmission'20026,438,148'Method and device for encoding data into high speed optical train'20026,124,960'Transmission system with cross-phase modulation compensation'20006,101,016'Optical transmission systems using optical amplifiers and wavelength division multiplexing'20006,101,012'Optical add/drop multiplexer/demultiplexer'20006,069,906'Generation of short optical pulses using strongly complex coupled DFB lasers'20006,067,179'Optical transmission systems using optical amplifiers and wavelength division multiplexing'20006,064,501'Method of determining optical amplifier failures'20005,959,749'Optical add/drop multiplexer/demultiplexer'19995,892,858'Duobinary coding and modulation technique for optical communication systems'19995,859,716'Self-stimulation signal detection in an optical transmission system'19995,822,094'Self-stimulation signal detection in an optical transmission system'19985,801,858'Optical transmission systems using optical amplifiers and wavelength division multiplexing'19985,774,242'Eye mask for measurement of distortion in optical transmission systems'19985,636,301'Optical waveguide amplifiers'19974,983,024'Optical phase to amplitude demodulation'19914,859,018'Optical fiber bandwidth limiting'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2020Based in Ottawa, CA· patent location history
2002–2010Patents assigned to NORTEL NETWORKS LTD (18)· patent assignee history
2010–2020Patents assigned to CIENA CORP (34)· patent assignee history
2012–2017Patents assigned to O'SULLIVAN MAURICE (10)· patent assignee history
2015–2019Patents assigned to REIMER MICHAEL ANDREW (13)· patent assignee history
2018–2020Patents assigned to OSULLIVAN MAURICE (11)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CIENA CORP342010–2020
NORTEL NETWORKS LTD182002–2010
REIMER MICHAEL ANDREW132015–2019
OSULLIVAN MAURICE112018–2020
O'SULLIVAN MAURICEself102012–2017
Locations
LocationPatentsSpan
Ottawa, CA701989–2020