Irregular wavelength spacing

Industry

CPC
H04J14/0224

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Parent Industries

HELECTRICITY H04Electric communication H04JMULTIPLEX COMMUNICATION H04J14/00Optical multiplex systems

Current Industry

H04J14/0224Irregular wavelength spacing

Industries

Patents Grantslast 30 patents

Information Patent Grant
Optical receiver
- Patent number 12,021,568
- Issue date Jun 25, 2024
- Fujitsu Limited
- Yusuke Shigeta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Spectrum resource configuration method, network device, and system
- Patent number 11,990,986
- Issue date May 21, 2024
- Huawei Technologies Co., Ltd.
- Deng Pan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Clock recovery for digital subcarriers for optical networks
- Patent number 11,984,932
- Issue date May 14, 2024
- Infinera Corporation
- Jeffrey T. Rahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
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
Information Patent Grant
PON slicing method and device using network sharing
- Patent number 11,750,291
- Issue date Sep 5, 2023
- Electronics and Telecommunications Research Institute
- YongWook Ra
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for interference cancellation in optical transmis...
- Patent number 11,558,115
- Issue date Jan 17, 2023
- Huawei Technologies Co., Ltd.
- Jeebak Mitra
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Scalable, ultra-low-latency photonic tensor processor
- Patent number 11,546,077
- Issue date Jan 3, 2023
- Massachusetts Institute of Technology
- Liane Sarah Beland Bernstein
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Bisection searching algorithm to derive optimum baud rate with maxi...
- Patent number 11,381,306
- Issue date Jul 5, 2022
- Cisco Technology, Inc.
- Claudio Crognale
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal processing method and apparatus
- Patent number 11,368,240
- Issue date Jun 21, 2022
- Huawei Technologies Co., Ltd.
- Xu Zhou
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Clock recovery for digital subcarriers for optical networks
- Patent number 11,343,000
- Issue date May 24, 2022
- Infinera Corporation
- Jeffrey T. Rahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Independently routable digital subcarriers for optical communicatio...
- Patent number 11,251,878
- Issue date Feb 15, 2022
- Infinera Corporation
- Jeffrey T. Rahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for media channel format set management in optica...
- Patent number 11,139,893
- Issue date Oct 5, 2021
- Xieon Networks S.a.r.l.
- Antonio Eira
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network architecture for independently routable digital subcarriers...
- Patent number 11,095,373
- Issue date Aug 17, 2021
- Infinera Corporation
- Jeffrey T. Rahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High capacity optical data transmission using intensity-modulation...
- Patent number 11,025,405
- Issue date Jun 1, 2021
- Huawei Technologies Co., Ltd.
- Nebojsa Stojanovic
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Independently routable digital subcarriers with configurable spacin...
- Patent number 10,992,389
- Issue date Apr 27, 2021
- Infinera Corporation
- Jeffrey T. Rahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Next generation in-building relay system and method
- Patent number 10,924,176
- Issue date Feb 16, 2021
- KT Corporation
- Sung-Yeop Pyun
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission device, control device, and transmission method
- Patent number 10,841,035
- Issue date Nov 17, 2020
- Fujitsu Limited
- Tomofumi Oyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength tunable laser module and method of controlling wavelengt...
- Patent number 10,673,205
- Issue date Jun 2, 2020
- Furukawa Electric Co., Ltd.
- Masayoshi Nishita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Band identifying circuit, wavelength-multiplexed optical signal tra...
- Patent number 10,567,105
- Issue date Feb 18, 2020
- NEC Corporation
- Yasushi Hara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication apparatus and frequency control method
- Patent number 10,554,302
- Issue date Feb 4, 2020
- Mitsubishi Electric Corporation
- Masashi Binkai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal processing apparatus, apparatus and method for monitoring ch...
- Patent number 10,491,294
- Issue date Nov 26, 2019
- Fujitsu Limited
- Huihui Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical node device, optical network controller, and optical networ...
- Patent number 10,447,419
- Issue date Oct 15, 2019
- NEC Corporation
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bidirectional optical communication with minimal guard band
- Patent number 10,374,742
- Issue date Aug 6, 2019
- Finisar Corporation
- Leo Yu-Yu Lin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength tunable laser module and method of controlling wavelengt...
- Patent number 10,270,533
- Issue date Apr 23, 2019
- Furukawa Electric Co., Ltd.
- Masayoshi Nishita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reach extension of multi-carrier channels using unequal subcarrier...
- Patent number 10,243,688
- Issue date Mar 26, 2019
- Fujitsu Limited
- Olga Vassilieva
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for managing a frequency spectrum in a wavelen...
- Patent number 10,211,943
- Issue date Feb 19, 2019
- ADVA Optical Networking SE
- Paul Morkel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transport apparatus and optical-wavelength defragmenting me...
- Patent number 10,187,172
- Issue date Jan 22, 2019
- Fujitsu Limited
- Goji Nakagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for superchannel tuning
- Patent number 10,075,256
- Issue date Sep 11, 2018
- Telefonaktiebolaget L M Ericsson (Publ)
- Roberto Magri
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optimization of networks carrying superchannels with different modu...
- Patent number 9,967,054
- Issue date May 8, 2018
- Fujitsu Limited
- Olga Vassilieva
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength selective device, wavelength selective method, and wavel...
- Patent number 9,954,637
- Issue date Apr 24, 2018
- Fujitsu Limited
- Masakazu Bamba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

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
METASTRUCTURED PHOTONIC DEVICES FOR MULTIPLEXING OR DEMULTIPLEXING...
- Publication number 20240056211
- Publication date Feb 15, 2024
- X Development LLC
- Sunil Pai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL RECEIVER
- Publication number 20230224045
- Publication date Jul 13, 2023
- Fujitsu Limited
- Yusuke SHIGETA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION SYSTEM, OPTICAL RECEIVER, AND OPTICAL TRANSMITTER
- Publication number 20230224065
- Publication date Jul 13, 2023
- Nippon Telegraph and Telephone Corporation
- Manabu YOSHINO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHOD FOR INTERFERENCE CANCELLATION IN OPTICAL TRANSMIS...
- Publication number 20230031180
- Publication date Feb 2, 2023
- Huawei Technologies Co., Ltd
- Jeebak Mitra
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Spectrum Resource Configuration Method, Network Device, and System
- Publication number 20230006755
- Publication date Jan 5, 2023
- Huawei Technologies Co., Ltd
- Deng Pan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Scalable, Ultra-Low-Latency Photonic Tensor Processor
- Publication number 20220337333
- Publication date Oct 20, 2022
- Liane Sarah Beland Bernstein
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SIGNAL PROCESSING METHOD AND APPARATUS
- Publication number 20210175994
- Publication date Jun 10, 2021
- Huawei Technologies Co., Ltd
- Xu ZHOU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION DEVICE, CONTROL DEVICE, AND TRANSMISSION METHOD
- Publication number 20200228228
- Publication date Jul 16, 2020
- Fujitsu Limited
- Tomofumi Oyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NEXT GENERATION IN-BUILDING RELAY SYSTEM AND METHOD
- Publication number 20190379443
- Publication date Dec 12, 2019
- KT CORPORATION
- Sung-Yeop PYUN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MONITORING SYSTEM AND MONITORING METHOD
- Publication number 20190253139
- Publication date Aug 15, 2019
- NEC Corporation
- Yoshirou SATOU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BAND IDENTIFYING CIRCUIT, WAVELENGTH-MULTIPLEXED OPTICAL SIGNAL TRA...
- Publication number 20190036636
- Publication date Jan 31, 2019
- NEC Corporation
- Yasushi HARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
REACH EXTENSION OF MULTI-CARRIER CHANNELS USING UNEQUAL SUBCARRIER...
- Publication number 20180359047
- Publication date Dec 13, 2018
- Fujitsu Limited
- Olga Vassilieva
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPAN-WISE SPECTRUM MANAGEMENT SYSTEM AND METHOD
- Publication number 20160105252
- Publication date Apr 14, 2016
- Fujitsu Limited
- Martin Bouda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MODULO CHANNEL ASSIGNMENT TECHNIQUE IN OPTICAL POINT TO MULTIPOINT...
- Publication number 20160013881
- Publication date Jan 14, 2016
- AURORA NETWORKS, INC.
- Daryoosh Rejaly
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL ELEMENT, LIGHT TRANSMITTING DEVICE, AND LIGHT RECEIVING DEVICE
- Publication number 20160006533
- Publication date Jan 7, 2016
- FUJITSU LIMITED
- Seokhwan Jeong
- G02 - OPTICS
Information Patent Application
WAVELENGTH SELECTIVE DEVICE, WAVELENGTH SELECTIVE METHOD, AND WAVEL...
- Publication number 20150365188
- Publication date Dec 17, 2015
- FUJITSU LIMITED
- Masakazu Bamba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Multiplexer with Non-Interleaved Channel Plan
- Publication number 20150229429
- Publication date Aug 13, 2015
- FutureWei Technologies, Inc.
- Yuanqiu Luo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND DEVICE FOR TRANSMITTING OPTICAL SIGNALS
- Publication number 20140355987
- Publication date Dec 4, 2014
- ZTE CORPORATION
- Songlin ZHU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION APPARATUS AND OPTICAL TRANSMISSION METHOD
- Publication number 20140348506
- Publication date Nov 27, 2014
- Fujitsu Limited
- Hiroshi Nakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Routing and Bandwidth Assignment for Flexible Grid Wavelength Switc...
- Publication number 20140341572
- Publication date Nov 20, 2014
- TELEFONAKTIEBOLAGET L M ERICSSON (publ)
- Nicola SAMBO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CROSSTALK REDUCTION IN OPTICAL NETWORKS USING VARIABLE SUBCARRIER S...
- Publication number 20140314415
- Publication date Oct 23, 2014
- Fujitsu Limited
- Olga Vassilieva
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ADJUSTING CARRIER SPACING IN A CHANNEL
- Publication number 20140294381
- Publication date Oct 2, 2014
- Infinera Corporation
- John D. MCNICOL
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Dynamic Wavelength Virtualization and/or On-Demand Flow Provisionin...
- Publication number 20140241717
- Publication date Aug 28, 2014
- NEC Laboratories America, Inc.
- Neda Cvijetic
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Virtual Networking Embedding Procedure in an Optical Wavelength Div...
- Publication number 20140226985
- Publication date Aug 14, 2014
- NEC Laboratories America, Inc.
- Ankitkumar Patel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Network Fragmentation Measurement in an Optical Wavelength Division...
- Publication number 20140226986
- Publication date Aug 14, 2014
- NEC Laboratories America, Inc.
- Ankitkumar Patel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD, SYSTEM, AND APPARATUS FOR TRANSMITTING DATA INFORMATION BY...
- Publication number 20140205297
- Publication date Jul 24, 2014
- Huawei Technologies Co., Ltd
- Shiyi CAO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD FOR SPLIT SPECTRUM SIGNALLING IN AN OPTICAL NETWORK
- Publication number 20140205296
- Publication date Jul 24, 2014
- Stefan Dahlfort
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTI-FLOW OPTICAL TRANSCEIVER, MULTI-FLOW OPTICAL TRANSPONDER AND...
- Publication number 20140126905
- Publication date May 8, 2014
- Nippon Telegraph and Telephone Corporation
- Kazushige Yonenaga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR DYNAMIC WAVELENGTH ALLOCATION IN WAVELENGT...
- Publication number 20140023372
- Publication date Jan 23, 2014
- Telefonaktiebolaget L M Ericsson (publ)
- Nicola SAMBO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Irregular wavelength spacing

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Optical receiver

Spectrum resource configuration method, network device, and system

Clock recovery for digital subcarriers for optical networks

Clock recovery for digital subcarriers for optical networks

PON slicing method and device using network sharing

System and method for interference cancellation in optical transmis...

Scalable, ultra-low-latency photonic tensor processor

Bisection searching algorithm to derive optimum baud rate with maxi...

Signal processing method and apparatus

Clock recovery for digital subcarriers for optical networks

Independently routable digital subcarriers for optical communicatio...

Method and system for media channel format set management in optica...

Network architecture for independently routable digital subcarriers...

High capacity optical data transmission using intensity-modulation...

Independently routable digital subcarriers with configurable spacin...

Next generation in-building relay system and method

Transmission device, control device, and transmission method

Wavelength tunable laser module and method of controlling wavelengt...

Band identifying circuit, wavelength-multiplexed optical signal tra...

Optical communication apparatus and frequency control method

Signal processing apparatus, apparatus and method for monitoring ch...

Optical node device, optical network controller, and optical networ...

Bidirectional optical communication with minimal guard band

Wavelength tunable laser module and method of controlling wavelengt...

Reach extension of multi-carrier channels using unequal subcarrier...

Method and apparatus for managing a frequency spectrum in a wavelen...

Optical transport apparatus and optical-wavelength defragmenting me...

Method and apparatus for superchannel tuning

Optimization of networks carrying superchannels with different modu...

Wavelength selective device, wavelength selective method, and wavel...

Patents Applicationslast 30 patents

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

METASTRUCTURED PHOTONIC DEVICES FOR MULTIPLEXING OR DEMULTIPLEXING...

OPTICAL RECEIVER

OPTICAL TRANSMISSION SYSTEM, OPTICAL RECEIVER, AND OPTICAL TRANSMITTER

SYSTEM AND METHOD FOR INTERFERENCE CANCELLATION IN OPTICAL TRANSMIS...

Spectrum Resource Configuration Method, Network Device, and System

Scalable, Ultra-Low-Latency Photonic Tensor Processor

SIGNAL PROCESSING METHOD AND APPARATUS

TRANSMISSION DEVICE, CONTROL DEVICE, AND TRANSMISSION METHOD

NEXT GENERATION IN-BUILDING RELAY SYSTEM AND METHOD

MONITORING SYSTEM AND MONITORING METHOD

BAND IDENTIFYING CIRCUIT, WAVELENGTH-MULTIPLEXED OPTICAL SIGNAL TRA...

REACH EXTENSION OF MULTI-CARRIER CHANNELS USING UNEQUAL SUBCARRIER...

SPAN-WISE SPECTRUM MANAGEMENT SYSTEM AND METHOD

MODULO CHANNEL ASSIGNMENT TECHNIQUE IN OPTICAL POINT TO MULTIPOINT...

OPTICAL ELEMENT, LIGHT TRANSMITTING DEVICE, AND LIGHT RECEIVING DEVICE

WAVELENGTH SELECTIVE DEVICE, WAVELENGTH SELECTIVE METHOD, AND WAVEL...

Multiplexer with Non-Interleaved Channel Plan

METHOD AND DEVICE FOR TRANSMITTING OPTICAL SIGNALS

OPTICAL TRANSMISSION APPARATUS AND OPTICAL TRANSMISSION METHOD

Routing and Bandwidth Assignment for Flexible Grid Wavelength Switc...

CROSSTALK REDUCTION IN OPTICAL NETWORKS USING VARIABLE SUBCARRIER S...

ADJUSTING CARRIER SPACING IN A CHANNEL

Dynamic Wavelength Virtualization and/or On-Demand Flow Provisionin...

Virtual Networking Embedding Procedure in an Optical Wavelength Div...

Network Fragmentation Measurement in an Optical Wavelength Division...

METHOD, SYSTEM, AND APPARATUS FOR TRANSMITTING DATA INFORMATION BY...

METHOD FOR SPLIT SPECTRUM SIGNALLING IN AN OPTICAL NETWORK

MULTI-FLOW OPTICAL TRANSCEIVER, MULTI-FLOW OPTICAL TRANSPONDER AND...

METHOD AND APPARATUS FOR DYNAMIC WAVELENGTH ALLOCATION IN WAVELENGT...