Monitoring or measuring chromatic dispersion or PMD

Industry

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H04B10/07951

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Parent Industries

HELECTRICITY H04Electric communication H04BTRANSMISSION H04B10/00Transmission systems employing electromagnetic waves other than radio-waves

Current Industry

H04B10/07951Monitoring or measuring chromatic dispersion or PMD

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Methods for estimating modal bandwidth spectral dependence
- Patent number 12,095,500
- Issue date Sep 17, 2024
- Panduit Corp.
- Jose M. Castro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mitigation of equalization-enhanced phase noise in a coherent optic...
- Patent number 12,081,273
- Issue date Sep 3, 2024
- Nokia Solutions and Networks Oy
- Vahid Aref
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal processing method and apparatus, and coherent receiver
- Patent number 12,081,275
- Issue date Sep 3, 2024
- Huawei Technologies Co., Ltd.
- Dmitry Anatolievich Dolgikh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Configurable dispersion compensation in a pluggable optical transce...
- Patent number 11,962,345
- Issue date Apr 16, 2024
- PRECISION OPTICAL TECHNOLOGIES, INC.
- David M. Calhoun
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Calculation of distributed birefringence and polarization mode disp...
- Patent number 11,923,898
- Issue date Mar 5, 2024
- Luna Innovations Incorporated
- Stephen T. Kreger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Implementing low-loss variable optical delay lines
- Patent number 11,817,906
- Issue date Nov 14, 2023
- Mellanox Technologies, Ltd.
- Mir Ashkan Seyedi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical fiber characterization using a nonlinear skirt measurement
- Patent number 11,799,546
- Issue date Oct 24, 2023
- Ciena Corporation
- Yinqing Pei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal processing apparatus, signal processing method, and program
- Patent number 11,799,547
- Issue date Oct 24, 2023
- Nippon Telegraph and Telephone Corporation
- Kengo Horikoshi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data synchronization in optical networks and devices
- Patent number 11,757,535
- Issue date Sep 12, 2023
- Infinera Corporation
- Mehdi Torbatian
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength dispersion amount calculation apparatus and wavelength d...
- Patent number 11,742,950
- Issue date Aug 29, 2023
- Nippon Telegraph and Telephone Corporation
- Shimpei Shimizu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods for estimating modal bandwidth spectral dependence
- Patent number 11,711,143
- Issue date Jul 25, 2023
- Panduit Corp.
- Jose M. Castro
- G01 - MEASURING TESTING
Information Patent Grant
Dispersion compensation
- Patent number 11,658,745
- Issue date May 23, 2023
- Telefonaktiebolaget LM Ericsson (publ)
- Roberto Magri
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data synchronization in optical networks and devices
- Patent number 11,606,150
- Issue date Mar 14, 2023
- Infinera Corporation
- Mehdi Torbatian
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems and methods for skew detection and pre-compensation in a co...
- Patent number 11,539,432
- Issue date Dec 27, 2022
- Cable Television Laboratories, Inc.
- Mu Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and apparatus for optical communications via pulse amplitud...
- Patent number 11,522,616
- Issue date Dec 6, 2022
- Juniper Networks, Inc.
- Yang Yue
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data synchronization in optical networks and devices
- Patent number 11,502,756
- Issue date Nov 15, 2022
- Infinera Corporation
- Mehdi Torbatian
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for electro-optic modulation
- Patent number 11,418,264
- Issue date Aug 16, 2022
- University of Southampton
- Graham Trevor Reed
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Configurable link extender in small form factor
- Patent number 11,374,655
- Issue date Jun 28, 2022
- Cisco Technology, Inc.
- Marco Mazzini
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Digital coherent receiver and digital coherent receiving method
- Patent number 11,283,528
- Issue date Mar 22, 2022
- Nippon Telegraph and Telephone Corporation
- Akira Masuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems and methods for phase noise mitigation in optical superchan...
- Patent number 11,271,659
- Issue date Mar 8, 2022
- Huawei Technologies Co., Ltd.
- Mrinmoy Jana
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiving apparatus and receiving method
- Patent number 11,258,512
- Issue date Feb 22, 2022
- Nippon Telegraph and Telephone Corporation
- Seiji Okamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dispersion compensation designing device, dispension compensation m...
- Patent number 11,206,084
- Issue date Dec 21, 2021
- Nippon Telegraph and Telephone Corporation
- Minoru Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical fiber characterization measurement systems and methods
- Patent number 11,201,667
- Issue date Dec 14, 2021
- Ciena Corporation
- Jean-Luc Archambault
- G01 - MEASURING TESTING
Information Patent Grant
Methods and apparatus for optical communications via pulse amplitud...
- Patent number 11,177,888
- Issue date Nov 16, 2021
- Juniper Networks, Inc.
- Yang Yue
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission line monitoring device and transmission line monitorin...
- Patent number 11,146,332
- Issue date Oct 12, 2021
- Fujitsu Limited
- Setsuo Yoshida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fast estimation of chromatic dispersion
- Patent number 11,121,769
- Issue date Sep 14, 2021
- Ciena Corporation
- Shahab Oveis Gharan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems and methods for skew detection and pre-compensation in a co...
- Patent number 11,108,462
- Issue date Aug 31, 2021
- Cable Television Laboratories, Inc.
- Mu Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system to determine path and path disjointness in optica...
- Patent number 11,108,463
- Issue date Aug 31, 2021
- Huawei Technologies Co., Ltd.
- Zhiping Jiang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital coherent receiver and skew adjustment method thereof
- Patent number 11,075,700
- Issue date Jul 27, 2021
- NEC Corporation
- Masao Morie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for compensating channel distortions by pre-distortion of Ma...
- Patent number 11,025,339
- Issue date Jun 1, 2021
- B.G. Negev Technologies and Applications Ltd., at Ben-Gurion University
- Dan Sadot
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR IDENTIFYING MEASUREMENTS OF OPTICAL LINK P...
- Publication number 20240380484
- Publication date Nov 14, 2024
- Nokia Solutions and Networks Oy
- Petros RAMANTANIS
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LOCATING DISTURBANCES IN OPTICAL FIBRES
- Publication number 20240195499
- Publication date Jun 13, 2024
- Tampnet AS
- Steinar BJØRNSTAD
- G01 - MEASURING TESTING
Information Patent Application
Optical fiber characterization using transmission of shaped ASE
- Publication number 20240031022
- Publication date Jan 25, 2024
- CIENA CORPORATION
- Yinqing Pei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RECEIVER-BASED FIBER-OPTIC LINK MONITOR
- Publication number 20240007187
- Publication date Jan 4, 2024
- Nokia Solutions and Networks Oy
- Paolo SERENA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DEVICE AND METHOD FOR MONITORING OPTICAL TRANSMISSION LINE
- Publication number 20230393021
- Publication date Dec 7, 2023
- Fujitsu Limited
- KAZUYUKI TAJIMA
- G01 - MEASURING TESTING
Information Patent Application
Methods for Estimating Modal Bandwidth Spectral Dependence
- Publication number 20230361870
- Publication date Nov 9, 2023
- Panduit Corp.
- Jose M. Castro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR REGISTERING NEW TERMINAL USING CHROMATIC D...
- Publication number 20230283369
- Publication date Sep 7, 2023
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Jung-yeol OH
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CONFIGURABLE DISPERSION COMPENSATION IN A PLUGGABLE OPTICAL TRANSCE...
- Publication number 20230239045
- Publication date Jul 27, 2023
- Precision Optical Transceivers Inc.
- David M. Calhoun
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL PROCESSING METHOD AND APPARATUS, AND COHERENT RECEIVER
- Publication number 20230163857
- Publication date May 25, 2023
- Huawei Technologies Co., Ltd
- Dmitry Anatolievich Dolgikh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WAVELENGTH DISPERSION AMOUNT CALCULATION APPARATUS AND WAVELENGTH D...
- Publication number 20220407600
- Publication date Dec 22, 2022
- Nippon Telegraph and Telephone Corporation
- Shimpei SHIMIZU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MITIGATION OF EQUALIZATION-ENHANCED PHASE NOISE IN A COHERENT OPTIC...
- Publication number 20220393771
- Publication date Dec 8, 2022
- Nokia Solutions and Networks Oy
- Vahid AREF
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FREQUENCY DOMAIN METHOD AND SYSTEM FOR MEASURING MODAL BANDWIDTH, C...
- Publication number 20220376786
- Publication date Nov 24, 2022
- Corning Incorporated
- Xin Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FAILURE DETECTION METHOD INTEGRATED IN OPTICAL AMPLIFIERS AND REMOT...
- Publication number 20220337313
- Publication date Oct 20, 2022
- ARRIS Enterprises LLC
- Sergio Alfredo Mendoza AGUIRRE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL PROCESSING APPARATUS, SIGNAL PROCESSING METHOD, AND PROGRAM
- Publication number 20220303003
- Publication date Sep 22, 2022
- Nippon Telegraph and Telephone Corporation
- Kengo HORIKOSHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DATA SYNCHRONIZATION IN OPTICAL NETWORKS AND DEVICES
- Publication number 20220224420
- Publication date Jul 14, 2022
- Infinera Corporation
- Mehdi Torbatian
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DISPERSING DATA RATE TO MITIGATE ELECTROMAGNETIC INTERFERENCE
- Publication number 20220190919
- Publication date Jun 16, 2022
- Cisco Technology, Inc.
- Xiangpeng Yao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CALCULATION OF DISTRIBUTED BIREFRINGENCE AND POLARIZATION MODE DISP...
- Publication number 20220182141
- Publication date Jun 9, 2022
- Luna Innovations Incorporated
- Stephen T. KREGER
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical fiber characterization using a nonlinear skirt measurement
- Publication number 20220149938
- Publication date May 12, 2022
- CIENA CORPORATION
- Yinqing Pei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and System for Electro-Optic Modulation
- Publication number 20220131616
- Publication date Apr 28, 2022
- University of Southampton
- Graham Trevor REED
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DISPERSION COMPENSATION
- Publication number 20220077930
- Publication date Mar 10, 2022
- Telefonaktiebolaget LM Ericsson (publ)
- Roberto MAGRI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DATA SYNCHRONIZATION IN OPTICAL NETWORKS AND DEVICES
- Publication number 20220077926
- Publication date Mar 10, 2022
- Infinera Corporation
- Mehdi Torbatian
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHODS AND APPARATUS FOR OPTICAL COMMUNICATIONS VIA PULSE AMPLITUD...
- Publication number 20220069918
- Publication date Mar 3, 2022
- Juniper Networks, Inc.
- Yang YUE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION LINE MONITORING DEVICE AND TRANSMISSION LINE MONITORIN...
- Publication number 20210306073
- Publication date Sep 30, 2021
- Fujitsu Limited
- Setsuo Yoshida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIGITAL COHERENT RECEIVER AND DIGITAL COHERENT RECEIVING METHOD
- Publication number 20210218476
- Publication date Jul 15, 2021
- Nippon Telegraph and Telephone Corporation
- Akira MASUDA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RECEIVING APPARATUS AND RECEIVING METHOD
- Publication number 20210218471
- Publication date Jul 15, 2021
- Nippon Telegraph and Telephone Corporation
- Seiji OKAMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical fiber characterization measurement systems and methods
- Publication number 20210211193
- Publication date Jul 8, 2021
- CIENA CORPORATION
- Jean-Luc Archambault
- G01 - MEASURING TESTING
Information Patent Application
DISPERSION COMPENSATION DESIGNING DEVICE, DISPENSION COMPENSATION M...
- Publication number 20210159982
- Publication date May 27, 2021
- Nippon Telegraph and Telephone Corporation
- Minoru Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FAST ESTIMATION OF CHROMATIC DISPERSION
- Publication number 20210152242
- Publication date May 20, 2021
- CIENA CORPORATION
- Shahab OVEIS GHARAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHODS AND APPARATUS FOR OPTICAL COMMUNICATIONS VIA PULSE AMPLITUD...
- Publication number 20210119708
- Publication date Apr 22, 2021
- Juniper Networks, Inc.
- Yang YUE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Generic non-client specific protection via TCM status and enhanced...
- Publication number 20200396001
- Publication date Dec 17, 2020
- CIENA CORPORATION
- Trevor John Ibach
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Monitoring or measuring chromatic dispersion or PMD

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Methods for estimating modal bandwidth spectral dependence

Mitigation of equalization-enhanced phase noise in a coherent optic...

Signal processing method and apparatus, and coherent receiver

Configurable dispersion compensation in a pluggable optical transce...

Calculation of distributed birefringence and polarization mode disp...

Implementing low-loss variable optical delay lines

Optical fiber characterization using a nonlinear skirt measurement

Signal processing apparatus, signal processing method, and program

Data synchronization in optical networks and devices

Wavelength dispersion amount calculation apparatus and wavelength d...

Methods for estimating modal bandwidth spectral dependence

Dispersion compensation

Data synchronization in optical networks and devices

Systems and methods for skew detection and pre-compensation in a co...

Methods and apparatus for optical communications via pulse amplitud...

Data synchronization in optical networks and devices

Method and system for electro-optic modulation

Configurable link extender in small form factor

Digital coherent receiver and digital coherent receiving method

Systems and methods for phase noise mitigation in optical superchan...

Receiving apparatus and receiving method

Dispersion compensation designing device, dispension compensation m...

Optical fiber characterization measurement systems and methods

Methods and apparatus for optical communications via pulse amplitud...

Transmission line monitoring device and transmission line monitorin...

Fast estimation of chromatic dispersion

Systems and methods for skew detection and pre-compensation in a co...

Method and system to determine path and path disjointness in optica...

Digital coherent receiver and skew adjustment method thereof

Method for compensating channel distortions by pre-distortion of Ma...

Patents Applicationslast 30 patents

METHOD AND APPARATUS FOR IDENTIFYING MEASUREMENTS OF OPTICAL LINK P...

LOCATING DISTURBANCES IN OPTICAL FIBRES

Optical fiber characterization using transmission of shaped ASE

RECEIVER-BASED FIBER-OPTIC LINK MONITOR

DEVICE AND METHOD FOR MONITORING OPTICAL TRANSMISSION LINE

Methods for Estimating Modal Bandwidth Spectral Dependence

METHOD AND APPARATUS FOR REGISTERING NEW TERMINAL USING CHROMATIC D...

CONFIGURABLE DISPERSION COMPENSATION IN A PLUGGABLE OPTICAL TRANSCE...

SIGNAL PROCESSING METHOD AND APPARATUS, AND COHERENT RECEIVER

WAVELENGTH DISPERSION AMOUNT CALCULATION APPARATUS AND WAVELENGTH D...

MITIGATION OF EQUALIZATION-ENHANCED PHASE NOISE IN A COHERENT OPTIC...

FREQUENCY DOMAIN METHOD AND SYSTEM FOR MEASURING MODAL BANDWIDTH, C...

FAILURE DETECTION METHOD INTEGRATED IN OPTICAL AMPLIFIERS AND REMOT...

SIGNAL PROCESSING APPARATUS, SIGNAL PROCESSING METHOD, AND PROGRAM

DATA SYNCHRONIZATION IN OPTICAL NETWORKS AND DEVICES

DISPERSING DATA RATE TO MITIGATE ELECTROMAGNETIC INTERFERENCE

CALCULATION OF DISTRIBUTED BIREFRINGENCE AND POLARIZATION MODE DISP...

Optical fiber characterization using a nonlinear skirt measurement

Method and System for Electro-Optic Modulation

DISPERSION COMPENSATION

DATA SYNCHRONIZATION IN OPTICAL NETWORKS AND DEVICES

METHODS AND APPARATUS FOR OPTICAL COMMUNICATIONS VIA PULSE AMPLITUD...

TRANSMISSION LINE MONITORING DEVICE AND TRANSMISSION LINE MONITORIN...

DIGITAL COHERENT RECEIVER AND DIGITAL COHERENT RECEIVING METHOD

RECEIVING APPARATUS AND RECEIVING METHOD

Optical fiber characterization measurement systems and methods

DISPERSION COMPENSATION DESIGNING DEVICE, DISPENSION COMPENSATION M...

FAST ESTIMATION OF CHROMATIC DISPERSION

METHODS AND APPARATUS FOR OPTICAL COMMUNICATIONS VIA PULSE AMPLITUD...

Generic non-client specific protection via TCM status and enhanced...