Inventor · disambiguated record
Maurice O'Sullivan
Also filed as: O'SULLIVAN MAURICE · O'SULLIVAN MAURICE S · O'SULLIVAN MAURICE STEPHEN
76 granted patents·7 pending applications·2,108 citations·filing 1987–2023
99Inventor score
Top patents by PatentIndex Score
83 records- 0197US7701842B2Low conversion rate digital dispersion compensationNORTEL NETWORKS LTD·Filed 2008·Granted Apr 20, 2010·113 cites·19 claims
- 0296US10389447B1Dimensional transformationKHANDANI AMIR·Filed 2018·Granted Aug 20, 2019·49 cites·20 claims
- 0396US9143238B2Optical modulation schemes having reduced nonlinear optical transmission impairmentsROBERTS KIM B·Filed 2013·Granted Sep 22, 2015·32 cites·29 claims
- 0496US7756421B2Electrical domain compensation of non-linear effects in an optical communications systemCIENA CORP·Filed 2003·Granted Jul 13, 2010·111 cites·24 claims
- 0596US7555227B2Polarization compensation in a coherent optical receiverNORTEL NETWORKS LTD·Filed 2005·Granted Jun 30, 2009·57 cites·38 claims
- 0695US10236982B1Fiber parameter identificationZHUGE QUNBI·Filed 2017·Granted Mar 19, 2019·19 cites·20 claims
- 0795US7376358B2Location specific optical monitoringNORTEL NETWORKS LTD·Filed 2003·Granted May 20, 2008·72 cites·20 claims
- 0894US5959749AOptical add/drop multiplexer/demultiplexerNORTEL NETWORKS CORP·Filed 1998·Granted Sep 28, 1999·136 cites·23 claims
- 0993US9768875B2Optical modulation schemes having reduced nonlinear optical transmission impairmentsZHUGE QUNBI·Filed 2015·Granted Sep 19, 2017·12 cites·20 claims
- 1093US9319137B2Methods and systems for reduced complexity nonlinear compensationZHUGE QUNBI·Filed 2014·Granted Apr 19, 2016·16 cites·19 claims
- 1193US8023402B2Low conversion rate digital dispersion compensationCIENA CORP·Filed 2009·Granted Sep 20, 2011·24 cites·21 claims
- 1293US6064501AMethod of determining optical amplifier failuresNORTEL NETWORKS CORP·Filed 1997·Granted May 16, 2000·206 cites·36 claims
- 1392US8781317B1Monitoring phase non-linearities in an optical communication systemROCKSTAR CONSORTIUM US LP·Filed 2013·Granted Jul 15, 2014·12 cites·9 claims
- 1491US9774392B2Systems and methods using a polarimeter to localize state of polarization transients on optical fibersCIENA CORP·Filed 2015·Granted Sep 26, 2017·15 cites·20 claims
- 1591US9749058B2Nonlinear tolerant optical modulation formats at high spectral efficiencyREIMER MICHAEL ANDREW·Filed 2015·Granted Aug 29, 2017·17 cites·23 claims
- 1691US8958696B2Coherent augmented optical add-drop multiplexerBOERTJES DAVID·Filed 2009·Granted Feb 17, 2015·17 cites·14 claims
- 1791US6101012AOptical add/drop multiplexer/demultiplexerNORTEL NETWORKS CORP·Filed 1999·Granted Aug 8, 2000·91 cites·16 claims
- 1891US5801858AOptical transmission systems using optical amplifiers and wavelength division multiplexingNORTHERN TELECOM LTD·Filed 1996·Granted Sep 1, 1998·106 cites·13 claims
- 1990US10193620B2Nonlinear spatially resolved interferometer for characterizing optical properties of deployed telecommunication cablesSHINER ANDREW D·Filed 2018·Granted Jan 29, 2019·5 cites·18 claims
- 2090US8249467B2Self test of a dual polarization transmitterROBERTS KIM B·Filed 2010·Granted Aug 21, 2012·10 cites·24 claims
- 2190US7382985B2Electrical domain mitigation of polarization dependent effects in an optical communications systemNORTEL NETWORKS LTD·Filed 2002·Granted Jun 3, 2008·50 cites·33 claims
- 2290US6687009B2Method and apparatus for high resolution monitoring of optical signalsNORTEL NETWORKS LTD·Filed 2002·Granted Feb 3, 2004·26 cites·15 claims
- 2389US10845268B1Monitorable hollow core optical fiberOSULLIVAN MAURICE·Filed 2019·Granted Nov 24, 2020·11 cites·20 claims
- 2489US10608746B2Mitigation of electrical-to-optical conversion impairments induced at transmitterZHUGE QUNBI·Filed 2018·Granted Mar 31, 2020·6 cites·20 claims
- 2588US10439751B2Power control in an optical fiber networkROBERTS KIM B·Filed 2017·Granted Oct 8, 2019·5 cites·18 claims
- 2688US10419109B1Pseudo frequency division multiplexingOVEIS GHARAN SHAHAB·Filed 2018·Granted Sep 17, 2019·5 cites·20 claims
- 2788US9960843B2Nonlinear spatially resolved interferometer (NL-SRI) for characterizing optical properties of deployed telecommunication cablesSHINER ANDREW D·Filed 2016·Granted May 1, 2018·7 cites·18 claims
- 2888US5774242AEye mask for measurement of distortion in optical transmission systemsNORTHERN TELECOM LTD·Filed 1997·Granted Jun 30, 1998·60 cites·20 claims
- 2987US9768880B2Method and system for nonlinear interference mitigationZHUGE QUNBI·Filed 2015·Granted Sep 19, 2017·6 cites·18 claims
- 3087US8787754B1Rapid calculation of nonlinear optical transmission impairmentsBECKETT DOUGLAS JAMES·Filed 2012·Granted Jul 22, 2014·15 cites·9 claims
- 3187US7023601B2Optical E-field modulation using a Mach-Zehnder interferometerNORTEL NETWORKS LTD·Filed 2003·Granted Apr 4, 2006·44 cites·12 claims
- 3285US8594499B1Monitoring phase non-linearities in an optical communications systemROBERTS KIM B·Filed 2003·Granted Nov 26, 2013·25 cites·9 claims
- 3384US10574352B2Compensation of transmitter or receiver defects in an optical communications systemCIENA CORP·Filed 2018·Granted Feb 25, 2020·2 cites·26 claims
- 3483US5822094ASelf-stimulation signal detection in an optical transmission systemNORTHERN TELECOM LTD·Filed 1997·Granted Oct 13, 1998·68 cites·19 claims
- 3582US11971323B2Estimating nonlinear phase shift in a multi-span fiber-optic link using a coherent receiverCIENA CORP·Filed 2023·Granted Apr 30, 2024·0 cites·10 claims
- 3682US10090920B1Fiber kerr nonlinear noise estimationZHUGE QUNBI·Filed 2017·Granted Oct 2, 2018·5 cites·20 claims
- 3781US9853725B2Optical dispersion compensation in the electrical domain in an optical communications systemCIENA CORP·Filed 2016·Granted Dec 26, 2017·2 cites·20 claims
- 3881US7200339B1Method and apparatus for laser line-width compensationNORTEL NETWORKS LTD·Filed 2003·Granted Apr 3, 2007·22 cites·28 claims
- 3980US11228383B2Estimation of external noise in a communication channelSHINER ANDREW D·Filed 2019·Granted Jan 18, 2022·3 cites·20 claims
- 4080US6473214B1Methods of and apparatus for optical signal transmissionNORTEL NETWORKS LTD·Filed 1999·Granted Oct 29, 2002·121 cites·37 claims
- 4180US6124960ATransmission system with cross-phase modulation compensationNORTHERN TELECOM LTD·Filed 1997·Granted Sep 26, 2000·73 cites·10 claims
- 4280US5892858ADuobinary coding and modulation technique for optical communication systemsNORTHERN TELECOM LTD·Filed 1997·Granted Apr 6, 1999·81 cites·20 claims
- 4379US10809150B2Methods and assemblies for using electrostriction to characterize properties of optical fiberCIENA CORP·Filed 2019·Granted Oct 20, 2020·1 cites·18 claims
- 4479US7155128B2Decorrelation of WDM signalsNORTEL NETWORKS LTD·Filed 2001·Granted Dec 26, 2006·14 cites·32 claims
- 4578US6687464B1Optimization of a communications system based on identification of an optical mediumNORTEL NETWORKS LTD·Filed 2000·Granted Feb 3, 2004·24 cites·66 claims
- 4675US10164707B2Optical dispersion compensation in the electrical domain in an optical communications systemCIENA CORP·Filed 2017·Granted Dec 25, 2018·1 cites·11 claims
- 4774US7680420B1Optical E-field modulation using a directly driven laserNORTEL NETWORKS LTD·Filed 2004·Granted Mar 16, 2010·16 cites·10 claims
- 4873US10014947B2Mitigation of electrical-to-optical conversion impairments induced at transmitterZHUGE QUNBI·Filed 2016·Granted Jul 3, 2018·2 cites·18 claims
- 4972US11821807B2Estimating nonlinear phase shift in a multi-span fiber-optic link using a coherent receiverCIENA CORP·Filed 2021·Granted Nov 21, 2023·0 cites·10 claims
- 5072US7352971B2Broadband control of polarization mode dispersionNORTEL NETWORKS LTD·Filed 2002·Granted Apr 1, 2008·14 cites·43 claims
Showing the top 50 of 83 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →