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Details of the electronic signal processing in coherent optical receivers
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Transmission systems employing electromagnetic waves other than radio-waves
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Details of the electronic signal processing in coherent optical receivers
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Large-area waveguided photodetection for optical wireless communica...
Patent number
11,979,194
Issue date
May 7, 2024
King Abdullah University of Science and Technology
Boon Siew Ooi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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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
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Photonic integrated circuit with independent unit cells having mult...
Patent number
11,962,350
Issue date
Apr 16, 2024
Raytheon Company
Stephen P. Palese
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Communication system multiplexing and demultiplexing apparatus and...
Patent number
11,956,015
Issue date
Apr 9, 2024
Telefonaktiebolaget LM Ericsson (publ)
Giulio Bottari
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Electronic devices with high frequency polarization optimization
Patent number
11,956,023
Issue date
Apr 9, 2024
Apple Inc.
Bertram R Gunzelmann
H01 - BASIC ELECTRIC ELEMENTS
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Integrated self-coherent receiving optical chip based on round-trip...
Patent number
11,949,461
Issue date
Apr 2, 2024
BEIJING ZHONGKE GUOGUANG QUANTUM TECHNOLOGY CO., LTD.
Yibo Zhao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Electronic devices with high frequency multiplexing capabilities
Patent number
11,949,462
Issue date
Apr 2, 2024
Apple Inc.
Bertram R Gunzelmann
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Widely scalable, modular phase control of optical channels
Patent number
11,942,695
Issue date
Mar 26, 2024
Phase Sensitive Innovations, Inc.
Amjed Hallak
H01 - BASIC ELECTRIC ELEMENTS
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Fast scan method and apparatus for beacon auto-tune
Patent number
11,942,997
Issue date
Mar 26, 2024
Infinera Corporation
Paul N. Freeman
H01 - BASIC ELECTRIC ELEMENTS
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Integrated microwave photon transceiving front-end for phased array...
Patent number
11,936,433
Issue date
Mar 19, 2024
China Electronics Technology Group Corporation No.44 Research Institute
Yu Zhang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Wavelength dispersion compensation apparatus and wavelength dispers...
Patent number
11,929,784
Issue date
Mar 12, 2024
Nippon Telegraph and Telephone Corporation
Shimpei Shimizu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Integrated coherent receiver with off PLL bandwidth demodulation
Patent number
11,923,908
Issue date
Mar 5, 2024
The Trustees of the University of Pennsylvania
Firooz Aflatouni
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Self-coherent receiver based on polarization-independent delay inte...
Patent number
11,923,909
Issue date
Mar 5, 2024
BEIJING ZHONGKE GUOGUANG QUANTUM TECHNOLOGY CO., LTD.
Yibo Zhao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Tap centerer method and structure for coherent optical receiver
Patent number
11,901,952
Issue date
Feb 13, 2024
MARVELL ASIA PTE. LTD.
Mario R. Hueda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Optical transmission system and characteristic estimation method
Patent number
11,901,953
Issue date
Feb 13, 2024
Nippon Telegraph and Telephone Corporation
Takeo Sasai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Systems and methods for carrier phase recovery
Patent number
11,881,899
Issue date
Jan 23, 2024
Cable Television Laboratories, Inc.
Haipeng Zhang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Clock recovery for digital subcarriers for optical networks
Patent number
11,881,898
Issue date
Jan 23, 2024
Infinera Corporation
Jeffrey T. Rahn
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Laser light collecting assembly for a wireless power receiver
Patent number
11,876,105
Issue date
Jan 16, 2024
PHION TECHNOLOGIES LLC
Jonathan Nydell
H01 - BASIC ELECTRIC ELEMENTS
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System and methods for coherent burst reception
Patent number
11,876,564
Issue date
Jan 16, 2024
Cable Television Laboratories, Inc.
Junwen Zhang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Server, optical transmission method, optical transmission system, a...
Patent number
11,870,498
Issue date
Jan 9, 2024
Nippon Telegraph and Telephone Corporation
Toshiya Matsuda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Systems and methods for carrier phase recovery
Patent number
11,863,297
Issue date
Jan 2, 2024
Cable Television Laboratories, Inc.
Junwen Zhang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Optical coherent transceiver and filter adjustment method
Patent number
11,855,703
Issue date
Dec 26, 2023
Fujitsu Limited
Norifumi Shukunami
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Bidirectional optical communications
Patent number
11,838,105
Issue date
Dec 5, 2023
Infinera Corporation
Magnus Olson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Wavelength conversion device and transmission system
Patent number
11,838,103
Issue date
Dec 5, 2023
Fujitsu Limited
Tomoaki Watanabe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Phase correction in high speed coherent optical communication
Patent number
11,817,909
Issue date
Nov 14, 2023
SOLANIUM LABS LTD.
Or Vidal
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Analog coherent signal processing systems and methods
Patent number
11,811,460
Issue date
Nov 7, 2023
Maxim Integrated Products, Inc.
Charles Razzell
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Asymmetric direct detection of optical signals
Patent number
11,799,560
Issue date
Oct 24, 2023
Ciena Corporation
Xueyang Li
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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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
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Receiver and system for transporting and demodulating complex optic...
Patent number
11,791,904
Issue date
Oct 17, 2023
Raytheon Company
Andrew Kowalevicz
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Technology for optical modulator evaluation on basis of phase recovery
Patent number
11,791,905
Issue date
Oct 17, 2023
National Institute of Information and Communications Technology
Yuki Yoshida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
ALL-OPTICAL PHASE-PRESERVING SIGNAL AMPLITUDE PROCESSORS
Publication number
20240137124
Publication date
Apr 25, 2024
Board of Regents, The University of Texas System
Michael Vasilyev
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
OPTICAL RELAY APPARATUS, OPTICAL TRANSMISSION SYSTEM, AND OPTICAL R...
Publication number
20240129041
Publication date
Apr 18, 2024
NEC Corporation
Hidemi Noguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
COMMUNICATION SYSTEM, RECEIVER, COMPENSATION AMOUNT CALCULATION APP...
Publication number
20240121007
Publication date
Apr 11, 2024
NEC Corporation
Masaki SATO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
COHERENT DETECTION METHOD AND APPARATUS, AND OPTICAL TRANSMISSION S...
Publication number
20240121006
Publication date
Apr 11, 2024
ZTE Corporation
Jingsong BEI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
METHOD AND APPARATUS FOR SIGNAL CONDITIONING OF BURST SIGNAL
Publication number
20240113790
Publication date
Apr 4, 2024
Nokia Solutions and Networks Oy
Michiel VERPLAETSE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
DEVICE AND METHODS FOR REAL-TIME POLARIZATION-DEPENDENT LOSS MONITO...
Publication number
20240106533
Publication date
Mar 28, 2024
Huawei Technologies Co., Ltd
Xuefeng TANG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
Network Node for a Coherent Optical WDM Transmission Network
Publication number
20240097793
Publication date
Mar 21, 2024
Adtran Networks SE
Henning Hinderthür
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
INTEGRATED SELF-COHERENT RECEIVING OPTICAL CHIP BASED ON ROUND-TRIP...
Publication number
20240097792
Publication date
Mar 21, 2024
BEIJING ZHONGKE GUOGUANG QUANTUM TECHNOLOGY CO., LTD.
Yibo ZHAO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
ALGORITHMIC CORRECTION FOR OPTICAL CROSS-COUPLING
Publication number
20240097797
Publication date
Mar 21, 2024
X Development LLC
Paul Csonka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
COMMUNICATION APPARATUS AND COMMUNICATION METHOD
Publication number
20240089009
Publication date
Mar 14, 2024
Nippon Telegraph and Telephone Corporation
Sang-Yuep KIM
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
On-Chip Adaptive Optical Receiver System, Optical Chip, and Communi...
Publication number
20240089010
Publication date
Mar 14, 2024
PENG CHENG LABORATORY
Caiming Sun
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
MULTI-CARRIER TRANSMITTER WITH INTEGRATED MULTIPLEXER AND RECEIVER...
Publication number
20240080106
Publication date
Mar 7, 2024
Lumentum Operations LLC
Joe Qingzhe WEN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
METHOD FOR POLARIZATION COMPENSATION AND FREE-SPACE OPTICAL COMMUNI...
Publication number
20240063918
Publication date
Feb 22, 2024
AIRBUS SAS
Nils HELLERHOFF
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
Coherent receiver with polarization diversity clock detection
Publication number
20240063917
Publication date
Feb 22, 2024
Marvell Asia Pte Ltd.
Chen Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
OPTICAL SIGNAL PROCESSING CIRCUIT, OPTICAL RECEPTION APPARATUS, AND...
Publication number
20240056197
Publication date
Feb 15, 2024
NEC Corporation
Masaki SATO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
COEFFICIENT UPDATE AMOUNT OUTPUT DEVICE, COEFFICIENT UPDATE DEVICE,...
Publication number
20240056195
Publication date
Feb 15, 2024
NEC Corporation
Manabu Arikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
Messaging channel in a coherent optical DSP frame
Publication number
20240048235
Publication date
Feb 8, 2024
CIENA CORPORATION
Sebastien Gareau
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
OPTICAL SIGNAL STATE ESTIMATION APPARATUS, OPTICAL SIGNAL STATE EST...
Publication number
20240039640
Publication date
Feb 1, 2024
NEC Corporation
Jun KODAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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FLEXIBLE BAUD RATE
Publication number
20240039639
Publication date
Feb 1, 2024
Acacia Communications, Inc.
Jonas Geyer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
COHERENT OPTICAL RECEPTION DEVICE AND COHERENT OPTICAL RECEPTION ME...
Publication number
20240031035
Publication date
Jan 25, 2024
Nippon Telegraph and Telephone Corporation
Ryo IGARASHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
OPTICAL TRANSCEIVER, OPTICAL COMMUNICATION APPARATUS, OPTICAL COMMU...
Publication number
20240031027
Publication date
Jan 25, 2024
Fujitsu Limited
Taizo MAEDA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
OPTICAL MODULE, WAVELENGTH ADAPTIVE COHERENT OPTICAL COMMUNICATION...
Publication number
20240031036
Publication date
Jan 25, 2024
InnoLight Technology (Suzhou) Ltd.
Xuezhe ZHENG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
PHOTONIC MACHINE LEARNING BASED SIGNAL RECOVERY IN SELF-COHERENT DE...
Publication number
20240014906
Publication date
Jan 11, 2024
Universiteit Gent
Peter BIENSTMAN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
COHERENT RECEIVING DEVICE AND ANEMOMETRY LIDAR SYSTEM
Publication number
20240007194
Publication date
Jan 4, 2024
ACCELINK TECHNOLOGIES CO., LTD.
Chuan Shi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
ADAPTIVE EQUALIZER, STEP SIZE DERIVATION METHOD AND PROGRAM
Publication number
20240007195
Publication date
Jan 4, 2024
Nippon Telegraph and Telephone Corporation
Kengo HORIKOSHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
INTEGRATED COHERENT RECEIVER FOR DISTRIBUTED FIBER SENSING APPARATUS
Publication number
20230421255
Publication date
Dec 28, 2023
Fiber Sense Limited
Gideon Yoffe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
SIGNAL DETECTOR, CARRIER PHASE RETRIEVAL APPARATUS, CARRIER PHASE R...
Publication number
20230421267
Publication date
Dec 28, 2023
Nippon Telegraph and Telephone Corporation
Koki SHIBAHARA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
DATA PROCESSING DEVICE AND DATA PROCESSING METHOD
Publication number
20230412193
Publication date
Dec 21, 2023
Saturn Licensing LLC
Ryoji IKEGAYA
G06 - COMPUTING CALCULATING COUNTING
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Patent Application
OPTICAL MULTIPLE-INPUT-MULTIPLE-OUTPUT (MIMO) RECEIVER USING STOKES...
Publication number
20230396340
Publication date
Dec 7, 2023
Aloe Semiconductor Inc.
Christopher R. Doerr
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
Electronic Devices with High Frequency Polarization Optimization
Publication number
20230396341
Publication date
Dec 7, 2023
Apple Inc.
Bertram R Gunzelmann
H01 - BASIC ELECTRIC ELEMENTS