Demodulation in the optical domain

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H04L27/223

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HELECTRICITY H04Electric communication H04LTRANSMISSION OF DIGITAL INFORMATION H04L27/00Modulated-carrier systems

Current Industry

H04L27/223Demodulation in the optical domain

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Optical receiving apparatus, optical transmitting apparatus, and fr...
- Patent number 11,451,305
- Issue date Sep 20, 2022
- Nippon Telegraph and Telephone Corporation
- Ryo Igarashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Power pack for the seat-related supply of power to an electrical un...
- Patent number 11,027,848
- Issue date Jun 8, 2021
- KID-Systeme GmbH
- Marc Reinert
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Demodulating modulated signals with artificial neural networks
- Patent number 10,735,231
- Issue date Aug 4, 2020
- International Business Machines Corporation
- Jean Fompeyrine
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Transmitter, receiver, and signal processing method
- Patent number 10,594,538
- Issue date Mar 17, 2020
- Huawei Technologies Co., Ltd.
- Hao Huang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Mode converter and quadrant photodiode for sensing optical cavity m...
- Patent number 10,453,971
- Issue date Oct 22, 2019
- Syracuse University
- Fabian Magaña-Sandoval
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatuses for algorithm on QAM coherent optical detection
- Patent number 10,305,620
- Issue date May 28, 2019
- ZTE (USA) Inc.
- Jianjun Yu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Holevo capacity achieving joint detection receiver
- Patent number 10,193,722
- Issue date Jan 29, 2019
- Raytheon BBN Technologies Corp.
- Saikat Guha
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Signal processing method, apparatus and signal receiver
- Patent number 9,942,071
- Issue date Apr 10, 2018
- Huawei Technologies Co., Ltd.
- Zhiyu Xiao
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Offset tunable edge slicer for sampling phase amplitude modulation...
- Patent number 9,917,713
- Issue date Mar 13, 2018
- Hewlett Packard Enterprise Development LP
- Kunzhi Yu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus configured for visible-light communications (VLC) using u...
- Patent number 9,838,121
- Issue date Dec 5, 2017
- Intel Corporation
- Richard D. Roberts
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital signal processing device
- Patent number 9,749,061
- Issue date Aug 29, 2017
- Nippon Telegraph and Telephone Corporation
- Fukutaro Hamaoka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and apparatus for coherent duobinary shaped PM-QPSK signal...
- Patent number 9,729,250
- Issue date Aug 8, 2017
- ZTE (USA) Inc.
- Jianjun Yu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system for a nonlinear fiber channel
- Patent number 9,686,013
- Issue date Jun 20, 2017
- Telefonaktiebolaget LM Ericsson (publ)
- Bengt-Erik Olsson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for transmitting phase shift keyed optical sig...
- Patent number 9,647,765
- Issue date May 9, 2017
- Massachusetts Institute of Technology
- David O. Caplan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical signal processing device, optical signal processing method...
- Patent number 9,564,964
- Issue date Feb 7, 2017
- Fujitsu Limited
- Taku Saito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for sub-carrier frequency control
- Patent number 9,548,812
- Issue date Jan 17, 2017
- Ciena Corporation
- Gary Mak
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High-speed optical transceiver systems and methods
- Patent number 9,509,410
- Issue date Nov 29, 2016
- Ciena Corporation
- John P. Mateosky
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital coherent receiving apparatus
- Patent number 9,444,554
- Issue date Sep 13, 2016
- Fujitsu Limited
- Nobukazu Koizumi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and arrangements for frequency shift communications by unde...
- Patent number 9,385,816
- Issue date Jul 5, 2016
- Intel Corporation
- Richard D. Roberts
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Increasing sensor data carrying capability of phase generated carriers
- Patent number 9,369,321
- Issue date Jun 14, 2016
- Northrop Grumman Systems Corporation
- Ronald Scrofano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for sub-carrier frequency control
- Patent number 9,344,307
- Issue date May 17, 2016
- Ciena Corporation
- Gary Mak
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Estimating phase using test phases and interpolation for modulation...
- Patent number 9,276,674
- Issue date Mar 1, 2016
- Infinera Corporation
- Han H. Sun
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High-speed optical transceiver for infiniband and ethernet
- Patent number 9,270,377
- Issue date Feb 23, 2016
- Ciena Corporation
- John P. Mateosky
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for phase shift keyed optical communications
- Patent number 9,264,147
- Issue date Feb 16, 2016
- Massachusetts Institute of Technology
- David O. Caplan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Feed-forward carrier phase recovery for optical communications
- Patent number 9,203,511
- Issue date Dec 1, 2015
- AT&T Intellectual Property I, L.P.
- Xiang Zhou
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optically interleaved photonic analog to digital converters
- Patent number 9,197,471
- Issue date Nov 24, 2015
- Rockwell Collins, Inc.
- Raymond Zanoni
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Phase compensation receiver
- Patent number 9,184,905
- Issue date Nov 10, 2015
- NEC Corporation
- Masahiro Shigihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for measuring IQ imbalance for optical receiver
- Patent number 9,166,680
- Issue date Oct 20, 2015
- Electronics and Telecommunications Research Institute
- Chun Ju Youn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication system, optical transmitter, and transponder
- Patent number 9,048,953
- Issue date Jun 2, 2015
- Hitachi, Ltd.
- Shinya Sasaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frame/symbol synchronization in coherent optical OFDM
- Patent number 9,036,999
- Issue date May 19, 2015
- Alcatel Lucent
- Noriaki Kaneda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SYSTEMS AND METHODS/PROCESSES FOR OPTICAL INTERFEROMETRIC SENSING
- Publication number 20240223421
- Publication date Jul 4, 2024
- Australian National University
- Anneshwa Dey
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL RECEIVING APPARATUS, OPTICAL TRANSMITTING APPARATUS, AND FR...
- Publication number 20210399809
- Publication date Dec 23, 2021
- Nippon Telegraph and Telephone Corporation
- Ryo IGARASHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DEMODULATING MODULATED SIGNALS WITH ARTIFICIAL NEURAL NETWORKS
- Publication number 20200204412
- Publication date Jun 25, 2020
- International Business Machines Corporation
- Jean Fompeyrine
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MODE CONVERTER AND QUADRANT PHOTODIODE FOR SENSING OPTICAL CAVITY M...
- Publication number 20180374967
- Publication date Dec 27, 2018
- Syracuse University
- Fabian Magaña-Sandoval
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OFFSET TUNABLE EDGE SLICER FOR SAMPLING PHASE AMPLITUDE MODULATION...
- Publication number 20170317865
- Publication date Nov 2, 2017
- HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP
- Kunzhi Yu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Apparatus configured for visible-light communications (VLC) using u...
- Publication number 20160294470
- Publication date Oct 6, 2016
- Intel Corporation
- Richard D. Roberts
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HOLEVO CAPACITY ACHIEVING JOINT DETECTION RECEIVER
- Publication number 20160119170
- Publication date Apr 28, 2016
- RAYTHEON BBN TECHNOLOGIES CORP.
- Saikat GUHA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIGITAL SIGNAL PROCESSING DEVICE
- Publication number 20150236796
- Publication date Aug 20, 2015
- Nippon Telegraph and Telephone Corporation
- Fukutaro Hamaoka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHODS AND APPARATUS FOR COHERENT DUOBINARY SHAPED PM-QPSK SIGNAL...
- Publication number 20150222368
- Publication date Aug 6, 2015
- ZTE (USA) Inc.
- Jianjun Yu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SIGNAL PROCESSING DEVICE, OPTICAL SIGNAL PROCESSING METHOD...
- Publication number 20140363154
- Publication date Dec 11, 2014
- Fujitsu Limited
- Taku SAITO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUSES FOR ALGORITHM ON QAM COHERENT OPTICAL DETECTION
- Publication number 20140341236
- Publication date Nov 20, 2014
- ZTE (USA) INC.
- Jianjun Yu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHODS AND ARRANGEMENTS FOR FREQUENCY SHIFT COMMUNICATIONS BY UNDE...
- Publication number 20140308048
- Publication date Oct 16, 2014
- Richard D. Roberts
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS AND METHOD FOR MEASURING IQ IMBALANCE FOR OPTICAL RECEIVER
- Publication number 20140169786
- Publication date Jun 19, 2014
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Chun Ju YOUN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIGITAL DEMODULATOR ARCHITECTURE
- Publication number 20140153920
- Publication date Jun 5, 2014
- ViaSat, Inc.
- Fan Mo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DP-QPSK DEMODULATOR
- Publication number 20140133012
- Publication date May 15, 2014
- Finisar Corporation
- Huiping LI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL PROCESSING APPARATUS AND METHOD
- Publication number 20140064345
- Publication date Mar 6, 2014
- FUJITSU LIMITED
- Kiichi Sugitani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIGITAL COHERENT RECEIVING APPARATUS
- Publication number 20140029959
- Publication date Jan 30, 2014
- Fujitsu Limited
- Nobukazu KOIZUMI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PROCESSING THREE-QUADRATURE AMPLITUDE MODULATION (3QAM) TRAFFIC USI...
- Publication number 20140003814
- Publication date Jan 2, 2014
- Infinera Corporation
- Han Henry SUN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PHASE COMPENSATION RECEIVER
- Publication number 20140003555
- Publication date Jan 2, 2014
- NEC Corporation
- Masahiro Shigihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ADAPTIVE CONSTELLATIONS AND DECISION REGIONS FOR AN OPTICAL TRANSPO...
- Publication number 20130336649
- Publication date Dec 19, 2013
- Alcatel-Lucent USA Inc.
- René-Jean Essiambre
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Feed-Forward Carrier Phase Recovery for Optical Communications
- Publication number 20130329834
- Publication date Dec 12, 2013
- AT&T INTELLECTUAL PROPERTY I, L.P.
- Xiang Zhou
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL COMMUNICATION SYSTEM, OPTICAL TRANSMITTER, AND TRANSPONDER
- Publication number 20130315267
- Publication date Nov 28, 2013
- Hitachi, Ltd
- Shinya Sasaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MODULATED SIGNAL DETECTING APPARATUS AND MODULATED SIGNAL DETECTING...
- Publication number 20130271823
- Publication date Oct 17, 2013
- Kiyotaka Ito
- G02 - OPTICS
Information Patent Application
Method and System for Pilot-Based Time Domain Phase Noise Mitigatio...
- Publication number 20130259174
- Publication date Oct 3, 2013
- NEC Laboratories America, Inc.
- Dayou Qian
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HOLEVO CAPACITY ACHIEVING JOINT DETECTION RECEIVER
- Publication number 20130238951
- Publication date Sep 12, 2013
- RAYTHEON BBN TECHNOLOGIES CORP.
- Saikat GUHA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and Method for Blind Equalization and Carrier Phase Recovery...
- Publication number 20130216239
- Publication date Aug 22, 2013
- TYCO ELECTRONICS SUBSEA COMMUNICATIONS LLC
- Hongbin Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and Method for Polarization De-Multiplexing in a Coherent Op...
- Publication number 20130202021
- Publication date Aug 8, 2013
- TYCO ELECTRONICS SUBSEA COMMUNICATIONS LLC
- Hongbin Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DPSK OPTICAL RECEIVER
- Publication number 20130114956
- Publication date May 9, 2013
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Jong-Hoi KIM
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INCREASING SENSOR DATA CARRYING CAPABILITY OF PHASE GENERATED CARRIERS
- Publication number 20130077091
- Publication date Mar 28, 2013
- Northrop Grumman Guidance and Electronics Company, Inc.
- Ronald Scrofano
- G01 - MEASURING TESTING
Information Patent Application
PHASE SLIP REDUCTION METHOD
- Publication number 20130064329
- Publication date Mar 14, 2013
- ACACIA COMMUNICATIONS INC.
- Pierre HUMBLET
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Demodulation in the optical domain

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Optical receiving apparatus, optical transmitting apparatus, and fr...

Power pack for the seat-related supply of power to an electrical un...

Demodulating modulated signals with artificial neural networks

Transmitter, receiver, and signal processing method

Mode converter and quadrant photodiode for sensing optical cavity m...

Method and apparatuses for algorithm on QAM coherent optical detection

Holevo capacity achieving joint detection receiver

Signal processing method, apparatus and signal receiver

Offset tunable edge slicer for sampling phase amplitude modulation...

Apparatus configured for visible-light communications (VLC) using u...

Digital signal processing device

Methods and apparatus for coherent duobinary shaped PM-QPSK signal...

Communication system for a nonlinear fiber channel

Method and apparatus for transmitting phase shift keyed optical sig...

Optical signal processing device, optical signal processing method...

Method and apparatus for sub-carrier frequency control

High-speed optical transceiver systems and methods

Digital coherent receiving apparatus

Methods and arrangements for frequency shift communications by unde...

Increasing sensor data carrying capability of phase generated carriers

Method and apparatus for sub-carrier frequency control

Estimating phase using test phases and interpolation for modulation...

High-speed optical transceiver for infiniband and ethernet

Method and apparatus for phase shift keyed optical communications

Feed-forward carrier phase recovery for optical communications

Optically interleaved photonic analog to digital converters

Phase compensation receiver

Apparatus and method for measuring IQ imbalance for optical receiver

Optical communication system, optical transmitter, and transponder

Frame/symbol synchronization in coherent optical OFDM

Patents Applicationslast 30 patents

SYSTEMS AND METHODS/PROCESSES FOR OPTICAL INTERFEROMETRIC SENSING

OPTICAL RECEIVING APPARATUS, OPTICAL TRANSMITTING APPARATUS, AND FR...

DEMODULATING MODULATED SIGNALS WITH ARTIFICIAL NEURAL NETWORKS

MODE CONVERTER AND QUADRANT PHOTODIODE FOR SENSING OPTICAL CAVITY M...

OFFSET TUNABLE EDGE SLICER FOR SAMPLING PHASE AMPLITUDE MODULATION...

Apparatus configured for visible-light communications (VLC) using u...

HOLEVO CAPACITY ACHIEVING JOINT DETECTION RECEIVER

DIGITAL SIGNAL PROCESSING DEVICE

METHODS AND APPARATUS FOR COHERENT DUOBINARY SHAPED PM-QPSK SIGNAL...

OPTICAL SIGNAL PROCESSING DEVICE, OPTICAL SIGNAL PROCESSING METHOD...

METHOD AND APPARATUSES FOR ALGORITHM ON QAM COHERENT OPTICAL DETECTION

METHODS AND ARRANGEMENTS FOR FREQUENCY SHIFT COMMUNICATIONS BY UNDE...

APPARATUS AND METHOD FOR MEASURING IQ IMBALANCE FOR OPTICAL RECEIVER

DIGITAL DEMODULATOR ARCHITECTURE

DP-QPSK DEMODULATOR

SIGNAL PROCESSING APPARATUS AND METHOD

DIGITAL COHERENT RECEIVING APPARATUS

PROCESSING THREE-QUADRATURE AMPLITUDE MODULATION (3QAM) TRAFFIC USI...

PHASE COMPENSATION RECEIVER

ADAPTIVE CONSTELLATIONS AND DECISION REGIONS FOR AN OPTICAL TRANSPO...

Feed-Forward Carrier Phase Recovery for Optical Communications

OPTICAL COMMUNICATION SYSTEM, OPTICAL TRANSMITTER, AND TRANSPONDER

MODULATED SIGNAL DETECTING APPARATUS AND MODULATED SIGNAL DETECTING...

Method and System for Pilot-Based Time Domain Phase Noise Mitigatio...

HOLEVO CAPACITY ACHIEVING JOINT DETECTION RECEIVER

System and Method for Blind Equalization and Carrier Phase Recovery...

System and Method for Polarization De-Multiplexing in a Coherent Op...

DPSK OPTICAL RECEIVER

INCREASING SENSOR DATA CARRYING CAPABILITY OF PHASE GENERATED CARRIERS

PHASE SLIP REDUCTION METHOD