Wavelength-division multiplex systems

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HELECTRICITY H04Electric communication H04JMULTIPLEX COMMUNICATION H04J14/00Optical multiplex systems

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H04J14/02Wavelength-division multiplex systems

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Patents Grantslast 30 patents

Information Patent Grant
Power saving for multi-wavelength passive optical network (PON)
- Patent number 12,273,142
- Issue date Apr 8, 2025
- Charter Communications Operating, LLC
- Marek Hajduczenia
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transport network protection architecture, nodes and method
- Patent number 12,273,185
- Issue date Apr 8, 2025
- Telefonaktiebolaget LM Ericsson (publ)
- Annamaria Fulignoli
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication network terminating device, communication system, sig...
- Patent number 12,267,151
- Issue date Apr 1, 2025
- Nippon Telegraph and Telephone Corporation
- Akihiro Tanabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Management and control system of wavelength-multiplexed subranging...
- Patent number 12,261,642
- Issue date Mar 25, 2025
- Seaford Holdings, LLC
- Bahram Jalali
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Metastructured photonic devices for multiplexing or demultiplexing...
- Patent number 12,261,685
- Issue date Mar 25, 2025
- X Development LLC
- Sunil Pai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frequency division multiple access optical subcarriers
- Patent number 12,255,731
- Issue date Mar 18, 2025
- Infinera Corporation
- Jeffrey T. Rahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network architecture with variable granularity optical routing
- Patent number 12,250,501
- Issue date Mar 11, 2025
- Google LLC
- Rene Marcel Schmogrow
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical port identification
- Patent number 12,250,022
- Issue date Mar 11, 2025
- Telefonaktiebolaget LM Ericsson (publ)
- Riccardo Ceccatelli
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Polarization-diversity optical power supply
- Patent number 12,250,027
- Issue date Mar 11, 2025
- Nubis Communications, Inc.
- Peter Johannes Winzer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems and methods for tuning a power characteristic of an optical...
- Patent number 12,244,349
- Issue date Mar 4, 2025
- Cable Television Laboratories, Inc.
- Lin Cheng
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Interconnect networks using microLED-based optical links
- Patent number 12,244,355
- Issue date Mar 4, 2025
- AvicenaTech, Corp.
- Robert Kalman
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wavelength cross connect device and wavelength cross connect method
- Patent number 12,244,346
- Issue date Mar 4, 2025
- Nippon Telegraph and Telephone Corporation
- Hiroki Kawahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Operation apparatus for fiber network and control method thereof
- Patent number 12,244,407
- Issue date Mar 4, 2025
- Korea Institute of Science & Technology Information
- Chan Kyun Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Service and power control orchestrator
- Patent number 12,237,868
- Issue date Feb 25, 2025
- Infinera Corporation
- Baranidhar Ramanathan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Photonic communication platform and related methods for increasing...
- Patent number 12,237,871
- Issue date Feb 25, 2025
- Lightmatter, Inc.
- Mykhailo Tymchenko
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength-division-multiplexing optical circuit implemented in pho...
- Patent number 12,237,913
- Issue date Feb 25, 2025
- II-VI DELAWARE, INC.
- Po Dong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Broadband wavelength division multiplexing for free space optical c...
- Patent number 12,237,914
- Issue date Feb 25, 2025
- ATTOCHRON, LLC
- Thomas M. Chaffee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for detecting an improper protection in an optica...
- Patent number 12,237,866
- Issue date Feb 25, 2025
- Huawei Technologies Co., Ltd.
- Zhiping Jiang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission apparatus and transmission system
- Patent number 12,231,227
- Issue date Feb 18, 2025
- Fujitsu Limited
- Xiang Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronic devices with high frequency symbol generation
- Patent number 12,231,171
- Issue date Feb 18, 2025
- Apple Inc.
- Bertram R Gunzelmann
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fiber indexing systems
- Patent number 12,222,570
- Issue date Feb 11, 2025
- CommScope Technologies LLC
- Erik J. Gronvall
- G02 - OPTICS
Information Patent Grant
Monitoring apparatus, monitoring method, and non-transitory compute...
- Patent number 12,224,850
- Issue date Feb 11, 2025
- NEC Corporation
- Morihiko Ota
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Coordinator for managing optical power controls in a C+L band network
- Patent number 12,218,745
- Issue date Feb 4, 2025
- Infinera Corporation
- Nikhil Satyarthi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Information transmission method and device, communication device, a...
- Patent number 12,218,746
- Issue date Feb 4, 2025
- China Mobile Communication Co., Ltd. Research Institute
- Dechao Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dynamic cross-frequency path configuration for wavelength division...
- Patent number 12,212,903
- Issue date Jan 28, 2025
- AT&T Intellectual Property I, L.P.
- Mritunjay Pandey
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Miniaturized multichannel wavelength division multiplexing optical...
- Patent number 12,212,364
- Issue date Jan 28, 2025
- II-VI DELAWARE, INC.
- Xu Jia
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength division multiplexers for space division multiplexing (S...
- Patent number 12,210,185
- Issue date Jan 28, 2025
- Chiral Photonics, Inc.
- Victor Il'ich Kopp
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and apparatus of controlling ring resonator operating points
- Patent number 12,210,198
- Issue date Jan 28, 2025
- Tongqing Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-fiber sensing topology for subsea wells
- Patent number 12,209,493
- Issue date Jan 28, 2025
- Halliburton Energy Services, Inc.
- Glenn Andrew Wilson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Deterministic dynamic network traffic shaping
- Patent number 12,212,406
- Issue date Jan 28, 2025
- SK3W TECHNOLOGIES INC.
- Jamie Aaron Brown
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
AUTOMATED ASE IDLER MANAGEMENT SYSTEM FOR WSS-BASED SPECTRAL FILLIN...
- Publication number 20250112724
- Publication date Apr 3, 2025
- Infinera Corp.
- Jonathan Michael Buset
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND SYSTEM FOR OPTICAL CONTROLS OF ELASTIC PASSBANDS
- Publication number 20250113123
- Publication date Apr 3, 2025
- Infinera Corp.
- Aryabhata Deshpande
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ASE IDLER PASSBAND PROTECTION FOR TERRESTRIAL OPTICAL NETWORK APPLI...
- Publication number 20250112722
- Publication date Apr 3, 2025
- Infinera Corp.
- Jonathan Michael Buset
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS AND METHOD FOR ASE IDLER PASSBAND LOADING CONTROL (APLC)
- Publication number 20250112723
- Publication date Apr 3, 2025
- Infinera Corp.
- Ashok Kunjidhapatham
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SUB-PASSBAND RAMPING AS A METHOD OF MANAGING POWER TRANSIENTS IN C+...
- Publication number 20250113124
- Publication date Apr 3, 2025
- Infinera Corp.
- Jonathan Michael Buset
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SUPPORTING COMMUNICATIONS IN OPTICAL COMMUNICATION SYSTEMS
- Publication number 20250113126
- Publication date Apr 3, 2025
- Nokia Solutions and Networks Oy
- Yannick Lefevre
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL LINK ARCHITECTURE
- Publication number 20250105920
- Publication date Mar 27, 2025
- NVIDIA Corporation
- Benjamin Giles Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SPLITTING/COUPLING DEVICE, OPTICAL SUBMARINE CABLE SYSTEM,...
- Publication number 20250105939
- Publication date Mar 27, 2025
- NEC Corporation
- Ryota ABE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Partially Colored Flexgrid Wavelength-Division Multiplexer/Demultip...
- Publication number 20250105940
- Publication date Mar 27, 2025
- Google LLC
- Rene Marcel Schmogrow
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Hybrid Fiber Coaxial Node
- Publication number 20250106538
- Publication date Mar 27, 2025
- Comcast Cable Communications, LLC
- Jorge Daniel Salinger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL NETWORK UNIT ACTIVATION AND LOW LATENCY TRANSMISSIONS IN DE...
- Publication number 20250096920
- Publication date Mar 20, 2025
- MaxLinear, Inc.
- Rainer Strobel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSCEIVER MODULE
- Publication number 20250096900
- Publication date Mar 20, 2025
- InnoLight Technology (Suzhou) LTD.
- LONG CHEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CHARACTERISTIC MEASUREMENT APPARATUS, CHARACTERISTIC MEASUREMENT ME...
- Publication number 20250096919
- Publication date Mar 20, 2025
- Nippon Telegraph and Telephone Corporation
- Akira KAWAI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IFoF SCHEME OPTICAL TRANSMISSION SYSTEM
- Publication number 20250096921
- Publication date Mar 20, 2025
- Mitsubishi Electric Corporation
- Junya NISHIOKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SECURED FIBER LINK SYSTEM
- Publication number 20250085481
- Publication date Mar 13, 2025
- APRIORI NETWORK SYSTEMS, LLC
- Gary M. WEINER
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MANAGEMENT AND CONTROL SYSTEM OF WAVELENGTH-MULTIPLEXED SUBRANGING...
- Publication number 20250080224
- Publication date Mar 6, 2025
- Seaford Holdings, LLC
- Bahram Jalali
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR PRIVATE LINE EMULATION IN A PACKET-SWITCHE...
- Publication number 20250080264
- Publication date Mar 6, 2025
- Walid Wakim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ULTRA-SCALABLE HIGH-PERFORMANCE COMPUTING (HPC) NETWORK USING DENSE...
- Publication number 20250080263
- Publication date Mar 6, 2025
- Microsoft Technology Licensing, LLC
- Denizcan BILLOR
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL PATH ESTABLISHMENT METHOD AND RELATED DEVICE
- Publication number 20250070906
- Publication date Feb 27, 2025
- Huawei Technologies Co., Ltd
- Chao Zhou
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL COMMUNICATION DEVICE THAT TRANSMITS WDM SIGNAL
- Publication number 20250070907
- Publication date Feb 27, 2025
- Fujitsu Limited
- Akio Sugama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL NODES, REMOTE CONTROL SYSTEMS, AND REMOTE CONTROL METHODS
- Publication number 20250070868
- Publication date Feb 27, 2025
- Nippon Telegraph and Telephone Corporation
- Tomohiro KAWANO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Multi-Band Coexistence Element
- Publication number 20250070879
- Publication date Feb 27, 2025
- FRONTIER COMMUNICATIONS HOLDINGS, LLC
- John Valdez
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL FIBER INPUT/OUTPUT TRAY WITH WAVELENGTH DIVISION MULTIPLEXI...
- Publication number 20250070905
- Publication date Feb 27, 2025
- QUANTA COMPUTER INC.
- Chin-Lung SU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PHOTONIC PROCESSING SYSTEMS AND METHODS
- Publication number 20250062833
- Publication date Feb 20, 2025
- Lightmatter, Inc
- Darius Bunandar
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
BALANCED OPTICAL COMMUNICATION NETWORKS
- Publication number 20250055589
- Publication date Feb 13, 2025
- Lightmatter, Inc
- Parry Jones Reginald Husbands
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL DEVICE, QUANTUM COMMUNICATION SYSTEMS AND QUANTUM COMMUNICA...
- Publication number 20250047385
- Publication date Feb 6, 2025
- Kabushiki Kaisha Toshiba
- Robert Ian WOODWARD
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL NETWORK UNIT, CENTRAL OFFICE NODE AND METHODS OF CONFIGURIN...
- Publication number 20250047406
- Publication date Feb 6, 2025
- Telefonaktiebolaget LM Ericsson (publ)
- Paola IOVANNA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION SYSTEM AND OPTICAL TRANSMISSION METHOD
- Publication number 20250047405
- Publication date Feb 6, 2025
- NEC Corporation
- Takeshi Takemura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMITTER, OPTICAL TRANSCEIVER USING OPTICAL TRANSMITTER,...
- Publication number 20250047390
- Publication date Feb 6, 2025
- Fujitsu Limited
- Jun MATSUI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION SYSTEM AND METHOD FOR CONTROLLING OPTICAL TRAN...
- Publication number 20250038847
- Publication date Jan 30, 2025
- NEC Corporation
- Keiichi MATSUMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Wavelength-division multiplex systems

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Power saving for multi-wavelength passive optical network (PON)

Optical transport network protection architecture, nodes and method

Communication network terminating device, communication system, sig...

Management and control system of wavelength-multiplexed subranging...

Metastructured photonic devices for multiplexing or demultiplexing...

Frequency division multiple access optical subcarriers

Network architecture with variable granularity optical routing

Optical port identification

Polarization-diversity optical power supply

Systems and methods for tuning a power characteristic of an optical...

Interconnect networks using microLED-based optical links

Wavelength cross connect device and wavelength cross connect method

Operation apparatus for fiber network and control method thereof

Service and power control orchestrator

Photonic communication platform and related methods for increasing...

Wavelength-division-multiplexing optical circuit implemented in pho...

Broadband wavelength division multiplexing for free space optical c...

Method and system for detecting an improper protection in an optica...

Transmission apparatus and transmission system

Electronic devices with high frequency symbol generation

Fiber indexing systems

Monitoring apparatus, monitoring method, and non-transitory compute...

Coordinator for managing optical power controls in a C+L band network

Information transmission method and device, communication device, a...

Dynamic cross-frequency path configuration for wavelength division...

Miniaturized multichannel wavelength division multiplexing optical...

Wavelength division multiplexers for space division multiplexing (S...

System and apparatus of controlling ring resonator operating points

Multi-fiber sensing topology for subsea wells

Deterministic dynamic network traffic shaping

Patents Applicationslast 30 patents

AUTOMATED ASE IDLER MANAGEMENT SYSTEM FOR WSS-BASED SPECTRAL FILLIN...

METHOD AND SYSTEM FOR OPTICAL CONTROLS OF ELASTIC PASSBANDS

ASE IDLER PASSBAND PROTECTION FOR TERRESTRIAL OPTICAL NETWORK APPLI...

APPARATUS AND METHOD FOR ASE IDLER PASSBAND LOADING CONTROL (APLC)

SUB-PASSBAND RAMPING AS A METHOD OF MANAGING POWER TRANSIENTS IN C+...

SUPPORTING COMMUNICATIONS IN OPTICAL COMMUNICATION SYSTEMS

OPTICAL LINK ARCHITECTURE

OPTICAL SPLITTING/COUPLING DEVICE, OPTICAL SUBMARINE CABLE SYSTEM,...

Partially Colored Flexgrid Wavelength-Division Multiplexer/Demultip...

Hybrid Fiber Coaxial Node

OPTICAL NETWORK UNIT ACTIVATION AND LOW LATENCY TRANSMISSIONS IN DE...

OPTICAL TRANSCEIVER MODULE

CHARACTERISTIC MEASUREMENT APPARATUS, CHARACTERISTIC MEASUREMENT ME...

IFoF SCHEME OPTICAL TRANSMISSION SYSTEM

SECURED FIBER LINK SYSTEM

MANAGEMENT AND CONTROL SYSTEM OF WAVELENGTH-MULTIPLEXED SUBRANGING...

METHOD AND APPARATUS FOR PRIVATE LINE EMULATION IN A PACKET-SWITCHE...

ULTRA-SCALABLE HIGH-PERFORMANCE COMPUTING (HPC) NETWORK USING DENSE...

OPTICAL PATH ESTABLISHMENT METHOD AND RELATED DEVICE

OPTICAL COMMUNICATION DEVICE THAT TRANSMITS WDM SIGNAL

OPTICAL NODES, REMOTE CONTROL SYSTEMS, AND REMOTE CONTROL METHODS

Multi-Band Coexistence Element

OPTICAL FIBER INPUT/OUTPUT TRAY WITH WAVELENGTH DIVISION MULTIPLEXI...

PHOTONIC PROCESSING SYSTEMS AND METHODS

BALANCED OPTICAL COMMUNICATION NETWORKS

OPTICAL DEVICE, QUANTUM COMMUNICATION SYSTEMS AND QUANTUM COMMUNICA...

OPTICAL NETWORK UNIT, CENTRAL OFFICE NODE AND METHODS OF CONFIGURIN...

OPTICAL TRANSMISSION SYSTEM AND OPTICAL TRANSMISSION METHOD

OPTICAL TRANSMITTER, OPTICAL TRANSCEIVER USING OPTICAL TRANSMITTER,...

OPTICAL TRANSMISSION SYSTEM AND METHOD FOR CONTROLLING OPTICAL TRAN...