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Inventor profile of:

Maurice O'SULLIVAN

City:

Ottawa

Country:

Canada

Published Applications:

47

Last publication date:

2025-04-24

Top Assignees for applications by Maurice O'SULLIVAN

The entities that hold a legal rights for patent applications filed by inventor O'SULLIVAN Maurice:

Ciena Corporation 34 Hanover, MD United States
Nortel Networks Limited 6 St. Laurent, Quebec, Canada
CIENA CORPORATION 5 Linthicum, MD United States
NORTEL NETWORKS LIMITED 5 St. Laurent, Canada
NORTEL NETWORKS LIMITED 4 St. Laurent, QC Canada
NORTEL NETEWORKS LIMITED 1 St. Laurent, Canada
Ciena Corporation 1 Hanover, MA United States

Recent patent applications by O'SULLIVAN Maurice

Maurice O'SULLIVAN from Ottawa, CA has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2025-04-24

US20250130095A1

ENHANCED DISTURBANCE MONITORING AND LOCALIZATION ENABLED BY DIGITAL SIGNAL PROCESSING (DSP)-BASED LASER PHASE NOISE ESTIMATION

#2 | 2025-02-27

US20250070869A1

ENVIRONMENTAL DISTURBANCE DETECTION AND LOCALIZATION USING COHERENT MODEM

#3 | 2025-01-02

US20250007617A1

METHOD AND SYSTEM FOR MITIGATING ADVERSE EFFECTS OF A GAS ABSORPTION LINE IN COHERENT OPTICAL COMMUNICATION SYSTEMS

#4 | 2022-07-28

US20220236140A1

Estimating nonlinear phase shift in a multi-span fiber-optic link using a coherent receiver

#5 | 2022-05-12

US20220149954A1

Asymmetric direct detection of optical signals

#6 | 2022-03-03

US20220070044A1

Estimation of communication system impairments using spectrally selective signal perturbations

#7 | 2021-06-24

US20210194607A1

Estimation of external noise in a communication channel

#8 | 2020-12-03

US20200378864A1

Monitorable hollow core optical fiber

#9 | 2020-10-01

US20200313764A1

Pseudo frequency division multiplexing

#10 | 2020-09-24

US20200304211A1

Dimensional transformation in optical communication

#11 | 2019-12-19

US20190383699A1

Methods and assemblies for using electrostriction to characterize properties of optical fiber

#12 | 2019-09-17

US16124479

Pseudo frequency division multiplexing

#13 | 2019-08-20

US16003736

Dimensional transformation

#14 | 2019-06-20

US20190190648A1

Systems and methods for error-free reconstruction of transmitted symbols in a coherent receiver

#15 | 2019-06-06

US20190170608A1

Methods and assemblies for using electrostriction to characterize properties of optical fiber

#16 | 2019-04-11

US20190109639A1

Compensation of transmitter or receiver defects in an optical communications system

#17 | 2019-03-19

US15849940

Fiber parameter identification

#18 | 2018-12-13

US20180359029A1

Distributed measurements and analysis in networks

#19 | 2018-11-29

US20180343078A1

Power control in an optical fiber network

#20 | 2018-11-15

US20180331762A1

Mitigation of electrical-to-optical conversion impairments induced at transmitter

#21 | 2018-09-20

US20180269968A1

Fiber kerr nonlinear noise estimation

#22 | 2018-08-23

US20180241468A1

Nonlinear spatially resolved interferometer for characterizing optical properties of deployed telecommunication cables

#23 | 2018-03-15

US20180076887A1

Optical dispersion compensation in the electrical domain in an optical communications system

#24 | 2017-10-26

US20170310390A1

Nonlinear spatially resolved interferometer (NL-SRI) for characterizing optical properties of deployed telecommunication cables

#25 | 2017-08-24

US20170244489A1

Mitigation of electrical-to-optical conversion impairments induced at transmitter

#26 | 2017-03-16

US20170078016A1

Optical dispersion compensation in the electrical domain in an optical communications system

#27 | 2016-12-22

US20160373190A1

Nonlinear tolerant optical modulation formats at high spectral efficiency

#28 | 2016-08-11

US20160233963A1

Reduced complexity nonlinear compensation

#29 | 2015-07-09

US20150195045A1

Optical modulation schemes having reduced nonlinear optical transmission impairments

#30 | 2015-03-12

US20150071652A1

Methods and systems for reduced complexity nonlinear compensation

#31 | 2014-07-22

US13665318

Rapid calculation of nonlinear optical transmission impairments

#32 | 2014-05-15

US20140133865A1

Optical modulation schemes having reduced nonlinear optical transmission impairments

#33 | 2012-06-14

US20120148262A1

System and method for reducing memory requirements for electrical domain compensation of intra-channel nonlinearity in an optical communications system

#34 | 2011-11-03

US20110268442A1

Coherent augmented optical add-drop multiplexer

#35 | 2011-09-15

US20110222850A1

Self test of a dual polarization transmitter

#36 | 2011-08-04

US20110188861A1

Reducing optical service channel interference in phase modulated wavelength division multiplexed (WDM) communication systems

#37 | 2010-04-15

US20100092181A1

Low conversion rate digital dispersion compensation

#38 | 2010-03-16

US10872850

Optical E-field modulation using a directly driven laser

#39 | 2010-03-02

US10742808

Optical transmission system architecture supporting migration to electronic compensation of link impairments

#40 | 2010-02-25

US20100046958A1

System and method for reducing memory requirements for electrical domain compensation of intra-channel nonlinearity in an optical communications system

#41 | 2009-08-13

US20090201796A1

Low conversion rate digital dispersion compensation

#42 | 2008-06-03

US10307466

Electrical domain mitigation of polarization dependent effects in an optical communications system

#43 | 2007-09-25

US10690659

Compensation of temperature-induced dispersion drift in optical communication links

#44 | 2007-04-26

US20070092259A1

Polarization compensation in a coherent optical receiver

#45 | 2007-04-03

US10411332

Method and apparatus for laser line-width compensation

#46 | 2005-01-13

US20050008364A1

Location specific optical monitoring

#47 | 2005-01-13

US20050007642A1

Optical E-field modulation using a Mach-Zehnder interferometer

InventorID:

761490 ⎘