Adding and dropping

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G02B6/29383

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GPHYSICS G02Optics G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS G02B6/00Light guides

Current Industry

G02B6/29383Adding and dropping

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Optical branching/coupling device and optical branching/coupling me...
- Patent number 11,914,191
- Issue date Feb 27, 2024
- NEC Corporation
- Ryuji Aida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems and methods to maintain phase relations of an optical signa...
- Patent number 11,874,501
- Issue date Jan 16, 2024
- Huawei Technologies Canada Co., Ltd.
- Mitchell Nichols
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical add/drop device and assembly, and communications network node
- Patent number 11,675,133
- Issue date Jun 13, 2023
- Telefonaktiebolaget LM Ericsson (publ)
- Sergio Mosti
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transparent linear optical transmission of passband and baseband el...
- Patent number 11,646,793
- Issue date May 9, 2023
- Technion Research & Development Foundation Limited
- Moshe Nazarathy
- G02 - OPTICS
Information Patent Grant
M×N wavelength selective switch with compressed port spacing
- Patent number 11,448,829
- Issue date Sep 20, 2022
- Lumentum Operations LLC
- Sheldon McLaughlin
- G02 - OPTICS
Information Patent Grant
Integrated multiplexer with improved performance
- Patent number 11,353,661
- Issue date Jun 7, 2022
- Nexus Photonics LLC
- Tin Komljenovic
- G02 - OPTICS
Information Patent Grant
Submarine optical system with free space optical add/drop multiplexer
- Patent number 11,347,004
- Issue date May 31, 2022
- Neptune Subsea IP Limited
- Grant Kardos
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength locking filter
- Patent number 11,340,480
- Issue date May 24, 2022
- Aurrion, Inc.
- Robert Silvio Guzzon
- G02 - OPTICS
Information Patent Grant
Multiple stage Bragg gratings in multiplexing applications
- Patent number 11,249,246
- Issue date Feb 15, 2022
- Cisco Technology, Inc.
- Tao Ling
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Demultiplexer/multiplexer module using submodules having wavelength...
- Patent number 11,131,804
- Issue date Sep 28, 2021
- XDK Communication Equipment (Huizhou) Ltd.
- Chun He
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Liquid crystal on silicon element for dual-functionality beam steer...
- Patent number 11,079,551
- Issue date Aug 3, 2021
- Lumentum Operations LLC
- Peter David Roorda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reconfigurable optical add/drop multiplexer
- Patent number 11,067,752
- Issue date Jul 20, 2021
- Huawei Technologies Co., Ltd.
- Yunfei Yan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transparent linear optical transmission of passband and baseband el...
- Patent number 10,951,315
- Issue date Mar 16, 2021
- Technion Research and Development Foundation Ltd.
- Moshe Nazarathy
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical add/drop multiplexer
- Patent number 10,871,615
- Issue date Dec 22, 2020
- Huawei Technologies Co., Ltd.
- Jing Wang
- G02 - OPTICS
Information Patent Grant
Multiple stage Bragg gratings in multiplexing applications
- Patent number 10,852,472
- Issue date Dec 1, 2020
- Cisco Technology, Inc.
- Tao Ling
- G02 - OPTICS
Information Patent Grant
Reducing interference from channel holders in an optical link
- Patent number 10,833,791
- Issue date Nov 10, 2020
- Ciena Corporation
- Choudhury A. Al Sayeed
- G02 - OPTICS
Information Patent Grant
Wavelength locking filter
- Patent number 10,782,544
- Issue date Sep 22, 2020
- Aurrion, Inc.
- Robert Silvio Guzzon
- G02 - OPTICS
Information Patent Grant
Polarization independent optical device
- Patent number 10,735,124
- Issue date Aug 4, 2020
- Huawei Technologies Co., Ltd.
- Ruiqiang Ji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reconfigurable optical add/drop multiplexer
- Patent number 10,620,376
- Issue date Apr 14, 2020
- Huawei Technologies Co., Ltd.
- Yunfei Yan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reconfigurable optical add-drop multiplexers with servo control and...
- Patent number RE47905
- Issue date Mar 17, 2020
- Capella Photonics, Inc.
- Tai Chen
Information Patent Grant
Reconfigurable optical add-drop multiplexers with servo control and...
- Patent number RE47906
- Issue date Mar 17, 2020
- Capella Photonics, Inc.
- Jeffrey P. Wilde
Information Patent Grant
Wavelength locking filter
- Patent number 10,466,512
- Issue date Nov 5, 2019
- Aurrion, Inc.
- Robert Silvio Guzzon
- G02 - OPTICS
Information Patent Grant
Apparatus for optical switching with transmissional and reflective...
- Patent number 10,393,968
- Issue date Aug 27, 2019
- Molex, LLC
- Gongjian Hu
- G02 - OPTICS
Information Patent Grant
Two-port high isolation filter
- Patent number 10,281,652
- Issue date May 7, 2019
- Alliance Fiber Optic Products, Inc.
- Chen Xia
- G02 - OPTICS
Information Patent Grant
Wavelength selective switch and optical signal transmission system
- Patent number 10,187,173
- Issue date Jan 22, 2019
- Huawei Technologies Co., Ltd.
- Heliang Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength locking filter
- Patent number 10,082,685
- Issue date Sep 25, 2018
- Aurrion, Inc.
- Robert Silvio Guzzon
- G02 - OPTICS
Information Patent Grant
Bidirectional optical element
- Patent number 10,003,427
- Issue date Jun 19, 2018
- Electronics and Telecommunications Research Institute
- Heuk Park
- G02 - OPTICS
Information Patent Grant
Node device and method for controlling node device
- Patent number 9,958,612
- Issue date May 1, 2018
- NEC Corporation
- Satoshi Mikami
- G02 - OPTICS
Information Patent Grant
Communication apparatus
- Patent number 9,939,665
- Issue date Apr 10, 2018
- Airbus Operations Limited
- Kayvon Barad
- G02 - OPTICS
Information Patent Grant
Wavelength locking filter
- Patent number 9,835,881
- Issue date Dec 5, 2017
- Aurrion, Inc.
- Robert Silvio Guzzon
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHODS FOR GAS SPECTROSCOPIC SENSING WITH PHOTON COUNTI...
- Publication number 20230079367
- Publication date Mar 16, 2023
- THE TRUSTEES OF THE STEVENS INSTITUTE OF TECHNOLOGY
- Yuping HUANG
- G01 - MEASURING TESTING
Information Patent Application
WAVELENGTH LOCKING FILTER
- Publication number 20220260865
- Publication date Aug 18, 2022
- Aurrion, Inc.
- Robert Silvio Guzzon
- G02 - OPTICS
Information Patent Application
OPTICAL ADD/DROP DEVICE AND ASSEMLY, AND COMMUNICATIONS NETWORK NODE
- Publication number 20210396933
- Publication date Dec 23, 2021
- Sergio Mosti
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Transparent linear optical transmission of passband and baseband el...
- Publication number 20210367672
- Publication date Nov 25, 2021
- Technion Research & Development Foundation Ltd.
- Moshe Nazarathy
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTIPLE STAGE BRAGG GRATINGS IN MULTIPLEXING APPLICATIONS
- Publication number 20210109281
- Publication date Apr 15, 2021
- Cisco Technology, Inc.
- Tao LING
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTIPLE STAGE BRAGG GRATINGS IN MULTIPLEXING APPLICATIONS
- Publication number 20200400878
- Publication date Dec 24, 2020
- Cisco Technology, Inc.
- Tao LING
- G02 - OPTICS
Information Patent Application
SUBMARINE OPTICAL SYSTEM
- Publication number 20200400889
- Publication date Dec 24, 2020
- NEPTUNE SUBSEA IP LIMITED
- Grant Kardos
- G02 - OPTICS
Information Patent Application
WAVELENGTH LOCKING FILTER
- Publication number 20200393708
- Publication date Dec 17, 2020
- Aurrion, Inc.
- Robert Silvio Guzzon
- G02 - OPTICS
Information Patent Application
RECONFIGURABLE OPTICAL ADD/DROP MULTIPLEXER
- Publication number 20200225417
- Publication date Jul 16, 2020
- Huawei Technologies Co., Ltd
- Yunfei YAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS AND METHOD TO REDUCE THE IMPACT OF COHERENT CROSSTALK IN...
- Publication number 20200177299
- Publication date Jun 4, 2020
- INFINERA CORPORATION
- Emilio Bravi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical Add/Drop Multiplexer
- Publication number 20200116939
- Publication date Apr 16, 2020
- Huawei Technologies Co., Ltd
- Jing Wang
- G02 - OPTICS
Information Patent Application
WAVELENGTH LOCKING FILTER
- Publication number 20200041823
- Publication date Feb 6, 2020
- Aurrion, Inc.
- Robert Silvio Guzzon
- G02 - OPTICS
Information Patent Application
Polarization Independent Optical Device
- Publication number 20190296850
- Publication date Sep 26, 2019
- Huawei Technologies Co., Ltd
- Ruiqiang JI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WAVELENGTH LOCKING FILTER
- Publication number 20190011732
- Publication date Jan 10, 2019
- Aurrion, Inc.
- Robert Silvio Guzzon
- G02 - OPTICS
Information Patent Application
RECONFIGURABLE OPTICAL ADD/DROP MULTIPLEXER
- Publication number 20180267247
- Publication date Sep 20, 2018
- Huawei Technologies Co., Ltd
- Yunfei YAN
- G02 - OPTICS
Information Patent Application
WAVELENGTH SELECTIVE SWITCH AND OPTICAL SIGNAL TRANSMISSION SYSTEM
- Publication number 20180152259
- Publication date May 31, 2018
- Huawei Technologies Co., Ltd
- Heliang LIU
- G02 - OPTICS
Information Patent Application
WAVELENGTH LOCKING FILTER
- Publication number 20180074350
- Publication date Mar 15, 2018
- Robert Silvio Guzzon
- G02 - OPTICS
Information Patent Application
TUNABLE ADD-DROP FILTER WITH AN ACTIVE RESONATOR
- Publication number 20170371104
- Publication date Dec 28, 2017
- Washington University
- Lan Yang
- G02 - OPTICS
Information Patent Application
NODE DEVICE AND METHOD FOR CONTROLLING NODE DEVICE
- Publication number 20170299814
- Publication date Oct 19, 2017
- NEC Corporation
- Satoshi MIKAMI
- G02 - OPTICS
Information Patent Application
Contentionless NxM Wavelength Cross Connect
- Publication number 20160360301
- Publication date Dec 8, 2016
- WAVEXING, INC.
- Fenghua Li
- G02 - OPTICS
Information Patent Application
OPTICAL SWITCH MODULE AND OPTICAL RELAY APPARATUS AND PATH EXPANSIO...
- Publication number 20160320562
- Publication date Nov 3, 2016
- Fujitsu Limited
- Shinji KOMIYA
- G02 - OPTICS
Information Patent Application
SWITCH DEVICE
- Publication number 20160216451
- Publication date Jul 28, 2016
- FURUKAWA ELECTRIC CO., LTD.
- Junichi HASEGAWA
- G02 - OPTICS
Information Patent Application
TUNABLE ADD-DROP FILTER WITH AN ACTIVE RESONATOR
- Publication number 20160131844
- Publication date May 12, 2016
- Washington University
- Lan Yang
- G02 - OPTICS
Information Patent Application
SWITCH APPARATUS
- Publication number 20160025930
- Publication date Jan 28, 2016
- FURUKAWA ELECTRIC CO., LTD.
- Junichi HASEGAWA
- G02 - OPTICS
Information Patent Application
WAVELENGTH-LOCKING A RING-RESONATOR FILTER
- Publication number 20150277053
- Publication date Oct 1, 2015
- Oracle International Corporation
- Xuezhe Zheng
- G02 - OPTICS
Information Patent Application
Method and Apparatus for Wavelength Selective Switch
- Publication number 20150185583
- Publication date Jul 2, 2015
- Huawei Technologies Co., Ltd
- Chongchang Mao
- G02 - OPTICS
Information Patent Application
BIDIRECTIONAL WAVELENGTH CROSS CONNECT ARCHITECTURES USING WAVELENG...
- Publication number 20140140696
- Publication date May 22, 2014
- Altera Corporation
- Edward J. Bortolini
- G02 - OPTICS
Information Patent Application
Wavenumber-Linearized Spectrometer on Chip in a Spectral-Domain Opt...
- Publication number 20140085633
- Publication date Mar 27, 2014
- Kyle Preston
- G02 - OPTICS
Information Patent Application
METHODS AND SYSTEMS FOR DELAYING OPTICAL WAVES
- Publication number 20140029893
- Publication date Jan 30, 2014
- Hsi-Chun Liu
- G02 - OPTICS
Information Patent Application
OPTICAL WAVEGUIDE DEVICE AND A MANUFACTURING METHOD FOR AN OPTICAL...
- Publication number 20130279847
- Publication date Oct 24, 2013
- NEC Corporation
- Shinya Watanabe
- G02 - OPTICS

Adding and dropping

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Optical branching/coupling device and optical branching/coupling me...

Systems and methods to maintain phase relations of an optical signa...

Optical add/drop device and assembly, and communications network node

Transparent linear optical transmission of passband and baseband el...

M×N wavelength selective switch with compressed port spacing

Integrated multiplexer with improved performance

Submarine optical system with free space optical add/drop multiplexer

Wavelength locking filter

Multiple stage Bragg gratings in multiplexing applications

Demultiplexer/multiplexer module using submodules having wavelength...

Liquid crystal on silicon element for dual-functionality beam steer...

Reconfigurable optical add/drop multiplexer

Transparent linear optical transmission of passband and baseband el...

Optical add/drop multiplexer

Multiple stage Bragg gratings in multiplexing applications

Reducing interference from channel holders in an optical link

Wavelength locking filter

Polarization independent optical device

Reconfigurable optical add/drop multiplexer

Reconfigurable optical add-drop multiplexers with servo control and...

Reconfigurable optical add-drop multiplexers with servo control and...

Wavelength locking filter

Apparatus for optical switching with transmissional and reflective...

Two-port high isolation filter

Wavelength selective switch and optical signal transmission system

Wavelength locking filter

Bidirectional optical element

Node device and method for controlling node device

Communication apparatus

Wavelength locking filter

Patents Applicationslast 30 patents

SYSTEM AND METHODS FOR GAS SPECTROSCOPIC SENSING WITH PHOTON COUNTI...

WAVELENGTH LOCKING FILTER

OPTICAL ADD/DROP DEVICE AND ASSEMLY, AND COMMUNICATIONS NETWORK NODE

Transparent linear optical transmission of passband and baseband el...

MULTIPLE STAGE BRAGG GRATINGS IN MULTIPLEXING APPLICATIONS

MULTIPLE STAGE BRAGG GRATINGS IN MULTIPLEXING APPLICATIONS

SUBMARINE OPTICAL SYSTEM

WAVELENGTH LOCKING FILTER

RECONFIGURABLE OPTICAL ADD/DROP MULTIPLEXER

APPARATUS AND METHOD TO REDUCE THE IMPACT OF COHERENT CROSSTALK IN...

Optical Add/Drop Multiplexer

WAVELENGTH LOCKING FILTER

Polarization Independent Optical Device

WAVELENGTH LOCKING FILTER

RECONFIGURABLE OPTICAL ADD/DROP MULTIPLEXER

WAVELENGTH SELECTIVE SWITCH AND OPTICAL SIGNAL TRANSMISSION SYSTEM

WAVELENGTH LOCKING FILTER

TUNABLE ADD-DROP FILTER WITH AN ACTIVE RESONATOR

NODE DEVICE AND METHOD FOR CONTROLLING NODE DEVICE

Contentionless NxM Wavelength Cross Connect

OPTICAL SWITCH MODULE AND OPTICAL RELAY APPARATUS AND PATH EXPANSIO...

SWITCH DEVICE

TUNABLE ADD-DROP FILTER WITH AN ACTIVE RESONATOR

SWITCH APPARATUS

WAVELENGTH-LOCKING A RING-RESONATOR FILTER

Method and Apparatus for Wavelength Selective Switch

BIDIRECTIONAL WAVELENGTH CROSS CONNECT ARCHITECTURES USING WAVELENG...

Wavenumber-Linearized Spectrometer on Chip in a Spectral-Domain Opt...

METHODS AND SYSTEMS FOR DELAYING OPTICAL WAVES

OPTICAL WAVEGUIDE DEVICE AND A MANUFACTURING METHOD FOR AN OPTICAL...