Patents-Review.com
ClassID:

231320 ⎘

H04Q2011/0009 - CPC Classification

Classification description:

Selecting arrangements for multiplex systems using optical switching; Switch and router aspects; Construction using wavelength filters

Recent Application in this class:
#1
20260039397
2026-02-05

Integrated CMOS Photonic and Electronic WDM Communication System Using Optical Frequency Comb Generators

 #2
20250132856
2025-04-24

Alarm Correlation and Ticketing for Open Reconfigurable Optical Add/Drop Multiplexer Networks

 #3
20240284078
2024-08-22

Method for generating a customized WRONoC topology

 #4
20240214103
2024-06-27

OPTICAL COMMUNICATION DEVICE THAT TRANSMITS WDM SIGNAL AND TRANSMISSION CONTROL METHOD

 #5
20240146436
2024-05-02

Alarm correlation and ticketing for Open reconfigurable optical add/drop multiplexer networks

 #6
20240114270
2024-04-04

Assemblies and methods for managing spectral hole burning

 #7
20230421932
2023-12-28

Systems and methods for preventing service interruption when troubleshooting a passive optical network

 #8
20230403484
2023-12-14

WAVELENGTH SELECTIVE SWITCHING APPARATUS AND RELATED METHOD

 #9
20230353254
2023-11-02

Integrated CMOS Photonic and Electronic WDM Communication System Using Optical Frequency Comb Generators

 #10
20230269002
2023-08-24

APPARATUS AND METHOD FOR MAINTAINING WAVELENGTH INTERVAL OF LIGHT SOURCES

 #11
20230232139
2023-07-20

Service Protection Method and Network Node

 #12
20230199350
2023-06-22

OPTICAL SWITCHING DEVICE, OPTICAL SWITCHING SYSTEM, AND METHOD OF OPTICAL SWITCHING

 #13
20230168432
2023-06-01

WAVELENGTH MULTIPLEXER/DEMULTIPLEXER

 #14
20230006755
2023-01-05

Spectrum resource configuration method, network device, and system

 #15
20220140932
2022-05-05

OPTICAL TRANSCEIVER

 #16
20220140909
2022-05-05

Optical line terminal

 #17
20220120983
2022-04-21

Dimensionally all-to-all connected network system using photonic crossbars and quad-node-loop routing

 #18
20220085877
2022-03-17

Optical communication device

 #19
20220038201
2022-02-03

Wavelength division multiplexing with parallel arrayed signal paths for increased channel density

 #20
20210359766
2021-11-18

Integrated CMOS photonic and electronic WDM communication system using optical frequency comb generators

 #21
20210352385
2021-11-11

SYSTEM AND METHOD FOR ENABLING DYNAMIC BANDWIDTH CONTROL IN PASSIVE OPTICAL NETWORK INFRASTRUCTURE

 #22
20210297757
2021-09-23

SPATIAL SPECTRAL MESH

 #23
20210273721
2021-09-02

Methods and systems relating to optical networks

 #24
20210135758
2021-05-06

Phase-lock-free system and method for receiving multi-modulation-format compatible high-speed laser signal

 #25
20210111791
2021-04-15

Tunable optical filter control apparatus and tunable optical filter control method

 #26
20200236447
2020-07-23

Node for an optical network

 #27
20200073056
2020-03-05

Wavelength selective switch for multiple units

 #28
20200052787
2020-02-13

Methods and systems relating to optical networks

 #29
20200052786
2020-02-13

Methods and systems relating to optical networks

 #30
20200052785
2020-02-13

Methods and systems relating to optical networks

 #31
20190349111
2019-11-14

Add drop structure

 #32
20190200104
2019-06-27

Routing band-pass filter for routing optical signals between multiple optical channel sets

 #33
20190173585
2019-06-06

Optical mode matching

 #34
20190165877
2019-05-30

ENERGY EFFICIENT, CONTENTIONLESS NxM ROADM WITH AMPLIFIED SINGLE WAVELENGTH DROP/ADD PORTS AND CORRESPONDING METHODS

 #35
20190075378
2019-03-07

Intra data center optical switching

 #36
20190028785
2019-01-24

Optical switch device

 #37
20180316991
2018-11-01

COLORLESS, DIRECTIONLESS, CONTENTIONLESS OPTICAL NETWORK USING MxN WAVELENGTH SELECTIVE SWITCHES

 #38
20180270552
2018-09-20

Detecting a transceiver using a noise optical signal

 #39
20180249231
2018-08-30

Optical transmission method and optical transmission apparatus

 #40
20180220208
2018-08-02

Wavelength-division multiplexing optical assembly with multiple collimator sets

 #41
20180212700
2018-07-26

Apparatus for protecting an optical link

 #42
20180198550
2018-07-12

OADM node and method in WDM system

 #43
20180167157
2018-06-14

Multi-channel optical cross-phase modulation compensator

 #44
20180167142
2018-06-14

Network management with per-node cross-phase-modulation (XPM) compensation

 #45
20180139520
2018-05-17

Wavelength-division multiplexing optical assembly with increased lane density

 #46
20170373784
2017-12-28

OPTICAL TRANSMISSION APPARATUS AND WAVELENGTH CONTROL METHOD

 #47
20170366291
2017-12-21

Method and apparatus for optical node construction using software programmable ROADMs

 #48
20170346591
2017-11-30

Noise suppression and amplification systems and methods for colorless optical add/drop devices

 #49
20170346589
2017-11-30

Optical communications system with centralized wavelength source

 #50
20170311056
2017-10-26

Segment routing for optical networks

 #51
20170303016
2017-10-19

Node for an optical network

 #52
20170279538
2017-09-28

Optical communication system, transmission station, and method of optical communication

 #53
20170237519
2017-08-17

External cavity FP laser

 #54
20170230133
2017-08-10

MINIMIZING BANDWIDTH NARROWING PENALTIES IN A WAVELENGTH SELECTIVE SWITCH OPTICAL NETWORK

 #55
20170230116
2017-08-10

Optical mode matching

 #56
20170223437
2017-08-03

Locking a polarization-insensitive optical receiver

 #57
20170187484
2017-06-29

Optical channel monitor with integral optical switch

 #58
20170187483
2017-06-29

LOW TRANSIT LOSS ADD-DROP MULTIPLEXING NODE FOR ALL OPTICAL NETWORKING

 #59
20170168241
2017-06-15

Flat-top tunable filter

 #60
20170155466
2017-06-01

Distributed spatial mode processing for spatial-mode multiplexed communication systems

 #61
20170146743
2017-05-25

Wavelength division multiplexer array

 #62
20170127158
2017-05-04

Tunable optical module for optical communication

 #63
20170104535
2017-04-13

Optical remodulator that remodulates modulated optical signal and optical remodulation method

 #64
20170078773
2017-03-16

Optical access network

 #65
20170019168
2017-01-19

Methods and systems relating to optical networks

 #66
20160381441
2016-12-29

OPTICAL TRANSMISSION DEVICE, OPTICAL TRANSMISSION SYSTEM, AND OPTICAL TRANSMISSION METHOD

 #67
20160365931
2016-12-15

REMOTE NODE CONFIGURATION FOR PROVIDING UPGRADED SERVICES IN A PASSIVE OPTICAL NETWORK AND A PASSIVE OPTICAL NETWORK HAVING THE SAME

 #68
20160337728
2016-11-17

External pass-through filters for optical micronodes and related assemblies and methods

 #69
20160337071
2016-11-17

Flexible grid TWDM-PON architecture and intelligent set-up for TWDM-PON

 #70
20160323057
2016-11-03

MINIMIZING BANDWIDTH NARROWING PENALTIES IN A WAVELENGTH SELECTIVE SWITCH OPTICAL NETWORK

 #71
20160269809
2016-09-15

OPTICAL NETWORK SWITCHING DEVICE

 #72
20160269808
2016-09-15

Hybrid free space multiplexer for multichannel transmitter optical subassembly

 #73
20160269142
2016-09-15

Distributed spatial mode processing for spatial-mode multiplexed communication systems

 #74
20160234577
2016-08-11

WAVELENGTH ROUTING DEVICE

 #75
20160226616
2016-08-04

Wavelength/bandwidth tunable optical filter and driving method thereof

 #76
20160219351
2016-07-28

METHOD OF SWITCHING AN OPTICAL SIGNAL IN AN OPTICAL FLEX GRID NETWORK

 #77
20160204892
2016-07-14

Optical switch, optical add-drop multiplexer, communication network node and communication network

 #78
20160192042
2016-06-30

Reduction of wavelength selective switch (WSS) filter-based impairment using differentiated channel modulation formats

 #79
20160112776
2016-04-21

Optical receiver using wavelength tunable filter

 #80
20160077330
2016-03-17

Optically-controlled micromirror device

 #81
20160066071
2016-03-03

Receiving device and optical switching fabric apparatus

 #82
20160021436
2016-01-21

Optical multiplexor switch for free space optical communication

 #83
20150381305
2015-12-31

SELF-CALIBRATING TUNABLE LASER FOR OPTICAL NETWORK

 #84
20150381304
2015-12-31

MINIMIZING BANDWIDTH NARROWING PENALTIES IN A WAVELENGTH SELECTIVE SWITCH OPTICAL NETWORK

 #85
20150365186
2015-12-17

Photonic cross-connect with reconfigurable add-drop-functionality

 #86
20150350754
2015-12-03

Optical module and optical device applicable to optical module

 #87
20150334475
2015-11-19

Wavelength division multiplexer array

 #88
20150294561
2015-10-15

Optical fiber-based remote gas leakage monitoring

 #89
20150280852
2015-10-01

Transmission device and optical transmission system

 #90
20150236797
2015-08-20

Method and apparatus for selecting wavelength by wavelength tunable optical receiver

 #91
20150208144
2015-07-23

Optical device and methods

 #92
20150131992
2015-05-14

METHOD AND APPARATUS FOR OPTICAL SIGNAL CONTROL USING FILTER IN MULTICASTING RING NETWORK NODE AND PROTECTION SWITCHING IN OPTICAL MULTIPLEX SECTION

 #93
20150110493
2015-04-23

Demultiplexing device for opto-electronic transceiver

 #94
20150037029
2015-02-05

Wavelength auto-negotiation

 #95
20140270766
2014-09-18

Upgradeable passive optical fiber circuit

 #96
20130315583
2013-11-28

Optical switch

 #97
20130016970
2013-01-17

Optical network with switchable drop filters

 #98
20120195592
2012-08-02

Minimizing bandwidth narrowing penalties in a wavelength selective switch optical network

 #99
20120121262
2012-05-17

Synchronous packet switches

 #100
20120110184
2012-05-03

PHYSICAL LAYER PHOTONIC PROTOCOL SWITCH

 #101
20120020664
2012-01-26

WAVELENGTH SELECTIVE LIGHT CROSS CONNECT DEVICE

 #102
20110318006
2011-12-29

Multiple input/output wavelength selective switch device

 #103
20110164876
2011-07-07

DIRECTIONLESS RECONFIGURABLE OPTICAL ADD/DROP MULTIPLEXER

 #104
20110038636
2011-02-17

Optical add/drop multiplexer

 #105
20100290782
2010-11-18

REMOTE NODE CONFIGURATION FOR PROVIDING UPGRADED SERVICES IN A PASSIVE OPTICAL NETWORK AND A PASSIVE OPTICAL NETWORK HAVING THE SAME

 #106
20100086301
2010-04-08

DIRECTIONLESS RECONFIGURABLE OPTICAL ADD/DROP MULTIPLEXER

 #107
20100021162
2010-01-28

WAVELENGTH DIVISION MULTIPLEXED OPTICAL COMMUNICATION SYSTEM HAVING A RECONFIGURABLE OPTICAL SWITCH AND A TUNABLE BACKUP LASER TRANSMITTER

 #108
20100008672
2010-01-14

Optical add/drop multiplexer including reconfigurable filters and system including the same

 #109
20090317081
2009-12-24

Optical digital transmission for multiple beam cross-connection, routing, and switching

 #110
20090232497
2009-09-17

Directionless reconfigurable optical add-drop multiplexer systems and methods

 #111
20090148166
2009-06-11

Optical add/drop multiplexer

 #112
20090123152
2009-05-14

OPTICAL SWITCHING DEVICE AND OPTICAL RECEIVER

 #113
20080273875
2008-11-06

Optical network system

 #114
20070116469
2007-05-24

Flexible node architecture with full protection

 #115
20070110439
2007-05-17

Fast optical switch

 #116
20070047955
2007-03-01

Fast optical switch

 #117
20060261432
2006-11-23

3D optoelectronic micro system

 #118
20060233486
2006-10-19

Integrated optical add/drop device having switching function

 #119
20060098983
2006-05-11

Optical add/drop multiplexer

 #120
20060098981
2006-05-11

Optical transmitting apparatus, method of increasing the number of paths of the apparatus, and optical switch module for increasing the number of paths of the apparatus

 #121
20060034610
2006-02-16

Optical add/drop multiplexer

 #122
20050249495
2005-11-10

Fast optical switch

 #123
20050232630
2005-10-20

Fast optical switch

 #124
20050175351
2005-08-11

Optical frequency division multiplexing network

 #125
20050117909
2005-06-02

Coupler-based optical cross-connect

 #126
20050041290
2005-02-24

Optical interleaver, filter cell, and component design with reduced chromatic dispersion

 #127
15851844
2019-01-15

Passive optical subassembly with a signal pitch router

 #128
15493684
2018-07-17

Colorless, directionless, contentionless optical network using MxN wavelength selective switches

 #129
15351663
2018-02-20

Optical transceiver having an interface circuit with a routing capability

 #130
15067806
2018-05-15

Detecting a transceiver using a noise optical signal

 #131
14790998
2016-11-01

Methods and systems for using modulation frequencies for optical channel monitoring with periodic optical filtering