ClassID:

174135

G02B6/3594 - CPC Classification

Classification description:

Light guides; Coupling light guides; Optical coupling means having switching means Characterised by additional functional means, e.g. means for variably attenuating or branching or means for switching differently polarized beams

Recent Application in this class:
#1
20260110850
2026-04-23

ANGLE INSENSITIVE OPTICAL ARRANGEMENT FOR OPTICAL SWITCH

#2
20260110848
2026-04-23

METHODS AND TECHNIQUES FOR OPTICAL CIRCUIT SWITCHING

#3
20260110843
2026-04-23

VARIABLE OPTICAL ATTENUATOR ARRAY, AND POWER ADJUSTMENT DEVICE

#4
20250383505
2025-12-18

DELAY-LINE QUANTUM MEMORY

#5
20250300755
2025-09-25

DOWNSTREAM STATE AWARE LOADING MANAGEMENT IN AN ORCHESTRATED OPTICAL NETWORK

#6
20250123444
2025-04-17

DISPERSION ENGINEERED EVANESCENT MEMS OPTICAL MODULATORS

#7
20250116819
2025-04-10

OPTICAL SWITCHES INCLUDING A RING RESONATOR

#8
20250052953
2025-02-13

OPTICAL CIRCUIT AND METHOD

#9
20240241306
2024-07-18

Multicore optical fiber core configuration transformer

#10
20240219640
2024-07-04

OPTICAL CIRCUIT, OPTICAL INTEGRATED CIRCUIT, AND METHOD FOR PROVIDING POLARIZATION-INDEPENDENT OUTPUT LIGHT

#11
20240159971
2024-05-16

LASER SYSTEMS FOR SPECTROSCOPY

#12
20230367071
2023-11-16

Attenuable resistive optical isolation circuit and device

#13
20230341631
2023-10-26

MEMS-based variable optical attenuator array

#14
20230324623
2023-10-12

BRANCH RATIO MEASURING DEVICE, BRANCH RATIO MEASURING METHOD, AND OPTICAL MULTIPLEXING/DEMULTIPLEXING CIRCUIT MANUFACTURING METHOD

#15
20220269009
2022-08-25

MEMS-based variable optical attenuator array

#16
20210223479
2021-07-22

MEMS-based variable optical attenuator array

#17
20200241209
2020-07-30

Three-dimensional optical switch

#18
20200209485
2020-07-02

Liquid crystal on silicon element for dual-functionality beam steering in wavelength selective switches

#19
20200153532
2020-05-14

High-density submarine ROADM unit with remote WSS redundancy

#20
20190369334
2019-12-05

Optical transmission device and control method

#21
20190212499
2019-07-11

Optical circuits and optical switches

#22
20190004250
2019-01-03

Optical arrangement for managing diversity and isolation between ports in a wavelength selective switch

#23
20180314010
2018-11-01

Optical circuits and optical switches

#24
20180259713
2018-09-13

Optical power attenuator

#25
20180184181
2018-06-28

Optical switch, optical switching apparatus

#26
20180128984
2018-05-10

Wavelength selective switch, reconfigurable optical add/drop multiplexer, and wavelength selection method

#27
20180045893
2018-02-15

INTEGRATED OPTICAL SWITCHING AND SPLITTING FOR OPTICAL NETWORKS

#28
20170363813
2017-12-21

Integrated optical components with variable attenuation or switching, and tap detector functions

#29
20170293086
2017-10-12

Switch matrix incorporating polarization controller

#30
20170235058
2017-08-17

Micro-electro-mechanical system optical switch and switching node

#31
20170055051
2017-02-23

Liquid crystal grating-based optical switch

#32
20170052091
2017-02-23

Optical frequency domain reflectometry, optical frequency domain reflectometer, and device for measuring position or shape using the same

#33
20170010414
2017-01-12

Optical switches with surface grating couplers and edge couplers

#34
20160282563
2016-09-29

Wavelength selective switch using orthogonally polarized optical beams

#35
20160259128
2016-09-08

Optical arrangement for managing diversity and isolation between ports in a wavelength selective switch

#36
20160216452
2016-07-28

Wavelength selector switch

#37
20160124152
2016-05-05

Optical path control device

#38
20150185583
2015-07-02

Method and apparatus for wavelength selective switch

#39
20150185422
2015-07-02

Device for routing light among a set of optical waveguides

#40
20130322817
2013-12-05

Nanomechanical photonic devices

#41
20130322815
2013-12-05

Waveguide type optical switch

#42
20130194537
2013-08-01

Method and apparatus for wavelength selective switch

#43
20130177272
2013-07-11

Systems and methods for reducing off-axis optical aberrations in wavelength dispersed devices

#44
20130016944
2013-01-17

Low-cost fast variable optical attenuator for optical wavelength tracking

#45
20120263479
2012-10-18

OPTICAL NETWORK COMMUNICATION SYSTEM WITH VARIABLE OPTICAL ATTENUATION AND METHOD OF OPERATION THEREOF

#46
20120219252
2012-08-30

Method and system for switching optical channels

#47
20120182595
2012-07-19

Photonic MEMS and structures

#48
20120081625
2012-04-05

Variable optical attenuator (VOA)

#49
20110234951
2011-09-29

Multi-pole optical signal switch

#50
20110182545
2011-07-28

Wavelength domain optical switch

#51
20110150389
2011-06-23

WSS with hitless switching

#52
20110142393
2011-06-16

Low-cost fast variable optical attenuator for optical wavelength tracking

#53
20110103733
2011-05-05

Nanomechanical photonic devices

#54
20110037907
2011-02-17

Controller and driver features for bi-stable display

#55
20110033151
2011-02-10

Optical wavelength selective router

#56
20100206597
2010-08-19

Power tool with optical control

#57
20100080509
2010-04-01

Fiber optic coupler with variable coupling ratio and manufacturing method thereof

#58
20100053713
2010-03-04

Optical switches and logic gates employing same

#59
20100021167
2010-01-28

Wavelength selecting switch

#60
20100008207
2010-01-14

Method and Apparatus for Optical Power Transfer Control

#61
20090279171
2009-11-12

Method and Apparatus for Providing an Adjustable Optical Delay

#62
20090242772
2009-10-01

Motor driven variable optical attenuator with IR sensor closed-loop control

#63
20090219604
2009-09-03

Photonic MEMS and structures

#64
20090196543
2009-08-06

Fiber optic acceleration and displacement sensors

#65
20090161119
2009-06-25

MIXING APPARATUS AND DISTANCE MEASURING APPARATUS USING SAME

#66
20090128495
2009-05-21

OPTICAL INPUT DEVICE

#67
20090122036
2009-05-14

Controller and driver features for bi-stable display

#68
20090110349
2009-04-30

Beam steering element and associated methods for mixed manifold fiberoptic switches

#69
20090066964
2009-03-12

Displacement sensor based on photonic crystal waveguides

#70
20090052839
2009-02-26

Optical switch and control method

#71
20090052837
2009-02-26

Polarization-based optical switching

#72
20090047012
2009-02-19

Optical bypass method and architecture

#73
20090039265
2009-02-12

Method and apparatus for attenuating a light beam

#74
20090028503
2009-01-29

Flex spectrum WSS

#75
20090003786
2009-01-01

Optical fiber module and optical device

#76
20080316585
2008-12-25

Optical wavelength selective router

#77
20080285915
2008-11-20

Optical transmission system

#78
20080266637
2008-10-30

Optical apparatus with reduced effect of mirror edge diffraction

#79
20080226225
2008-09-18

Light activated optical switch that includes a piezoelectric element with layers of piezoelectric material having different piezoelectric characteristics

#80
20080191978
2008-08-14

APPARATUS FOR DRIVING MICROMECHANICAL DEVICES

#81
20080166089
2008-07-10

Optical waveguide

#82
20080124022
2008-05-29

Simplified fiber-optic switch for all-optical fiber-optic lines

#83
20080106783
2008-05-08

Methods for optical attenuation and switching optical beams

#84
20080044132
2008-02-21

Light triggered bending element light switch

#85
20080019636
2008-01-24

Adhesive system for optical devices

#86
20080008421
2008-01-10

All-optical variable optical attenuator

#87
20080008415
2008-01-10

Reduction of MEMS mirror edge diffraction in a wavelength selective switch using servo-based rotation about multiple non-orthogonal axes

#88
20070297042
2007-12-27

MEMS based retroreflector

#89
20070292099
2007-12-20

Expanded beam optical attenuator

#90
20070268553
2007-11-22

MEMS control system gain normalization

#91
20070258678
2007-11-08

Wavelength selective and level adjusting optical device

#92
20070242916
2007-10-18

Monolithic translation stage device

#93
20070206904
2007-09-06

Adjustable focus connector with spring action

#94
20070196107
2007-08-23

Optical switching device

#95
20070183734
2007-08-09

Optical fiber impulse sensor fabricating method

#96
20070166034
2007-07-19

Method of automatic adjustment of dither amplitude of MEMS mirror arrays

#97
20070152020
2007-07-05

OPTICAL STRUCTURES INCLUDING LIQUID BUMPS

#98
20070147731
2007-06-28

Analogue navigation device

#99
20070146376
2007-06-28

Systems and methods of controlling micro-electromechanical devices

#100
20070112253
2007-05-17

Endoscope light source unit

#101
20070086076
2007-04-19

Light control apparatus having a device for controlling the input signal light of an optical transmission path

#102
20070065087
2007-03-22

Device and a method for integrated multi-channel mems variable optical attenuators

#103
20070031105
2007-02-08

Wavelength power equalization by attenuation in an optical switch

#104
20070031104
2007-02-08

Variable optical attenuator with wavelength dependent loss compensation

#105
20070025660
2007-02-01

All-optical variable optical attenuator

#106
20070025659
2007-02-01

Actuator

#107
20070002578
2007-01-04

Illuminating apparatus and projector

#108
20060291794
2006-12-28

Waveguide shuttle MEMS variable optical attenuator

#109
20060291769
2006-12-28

Light emitting source incorporating vertical cavity lasers and other MEMS devices within an electro-optical addressing architecture

#110
20060285790
2006-12-21

Optical bypass method and architecture

#111
20060284877
2006-12-21

Photonic MEMS and structures

#112
20060280421
2006-12-14

Variable light attenuator

#113
20060275012
2006-12-07

Optical waveguide devices and methods of fabricating the same

#114
20060274994
2006-12-07

Optical device

#115
20060262126
2006-11-23

Transparent thin films

#116
20060250337
2006-11-09

Photonic MEMS and structures

#117
20060233495
2006-10-19

Optical device

#118
20060228072
2006-10-12

Optimized reconfigurable optical add-drop multiplexer architecture with MEMS-based attenuation or power management

#119
20060228071
2006-10-12

Reduction of MEMS mirror edge diffraction in a wavelength selective switch using servo-based multi-axes rotation

#120
20060228070
2006-10-12

Optical add-drop multiplexer architecture with reduced effect of mirror edge diffraction

#121
20060213756
2006-09-28

Variable hand switch

#122
20060193592
2006-08-31

Variable optical attenuator

#123
20060188194
2006-08-24

Method and apparatus for variable optical attenuation for an optical switch

#124
20060177177
2006-08-10

Optical wavelength division multiplexer/demultiplexer device

#125
20060170909
2006-08-03

Fuel injectors with integral fiber optic pressure sensors and associated compensation and status monitoring devices

#126
20060140544
2006-06-29

Functional optical module

#127
20060127029
2006-06-15

Cantilever beam MEMS variable optical attenuator

#128
20060103851
2006-05-18

Displacement sensor based on photonic crystal waveguides

#129
20060093257
2006-05-04

Mirror, mirror unit, and optical switch

#130
20060093256
2006-05-04

Optical switch

#131
20060088268
2006-04-27

Optical micro-actuator

#132
20060088242
2006-04-27

Optical switches with uniaxial mirrors

#133
20060083473
2006-04-20

Microfluidic control for waveguide optical switches, variable attenuators, and other optical devices

#134
20060083144
2006-04-20

Optical detector configuration and utilization as feedback control in monolithic integrated optic and electronic arrangements

#135
20060072888
2006-04-06

Multiplexed fiber optic sensor system

#136
20060072872
2006-04-06

Switches for changing optical path and selecting wavelength

#137
20060070379
2006-04-06

Microelectrical mechanical structure (MEMS) optical modulator and optical display system

#138
20060045407
2006-03-02

Bending element light switch

#139
20060039669
2006-02-23

Attenuator device, and optical switching device

#140
20060033975
2006-02-16

Photonic MEMS and structures

#141
20060013553
2006-01-19

Variable optical attenuator

#142
20050286113
2005-12-29

Photonic MEMS and structures

#143
20050279809
2005-12-22

Optical structures including liquid bumps and related methods

#144
20050271324
2005-12-08

System and method for providing fast, low voltage integrated optical elements

#145
20050265651
2005-12-01

Fast pivot mechanism

#146
20050263379
2005-12-01

Reduction of oxides in a fluid-based switch

#147
20050258133
2005-11-24

Hybrid optical multi-axis beam steering apparatus

#148
20050254747
2005-11-17

Optical switch with adjustable optical loss

#149
20050226630
2005-10-13

Optical bypass method and architecture

#150
20050220413
2005-10-06

Optical router

#151
20050219680
2005-10-06

Optical multilayer structure, optical switching device, and image display

#152
20050219679
2005-10-06

Optical multilayer structure, optical switching device, and image display

#153
20050207720
2005-09-22

Cantilever-type PLC optical attenuator and manufacturing method thereof

#154
20050196099
2005-09-08

MEMS-based actuator devices using electrets

#155
20050191025
2005-09-01

Variable optical attenuator with tunable wavelength selectivity

#156
20050191024
2005-09-01

Variable optical attenuator

#157
20050185878
2005-08-25

Method and apparatus for free-space optical switching

#158
20050172625
2005-08-11

Microelectrical mechanical structure (MEMS) optical modulator and optical display system

#159
20050163411
2005-07-28

Optical modulator, exposure head and image recording apparatus

#160
20050162811
2005-07-28

Comb-shaped actuator with off centered electrodes

#161
20050152637
2005-07-14

Wavelength power equalization by attenuation in an optical switch

#162
20050141842
2005-06-30

System and method for providing fiber optic link assurance

#163
20050139577
2005-06-30

Microelectromechanical system comb actuator and manufacturing method thereof

#164
20050135734
2005-06-23

Photonic switch

#165
20050129351
2005-06-16

Light triggered light switch

#166
20050123234
2005-06-09

Optical device

#167
20050117867
2005-06-02

Multi-channel optical attenuator and manufacturing method thereof

#168
20050115668
2005-06-02

Method of manufacturing multi-channel optical attenuator

#169
20050111784
2005-05-26

Variable optical attenuator systems

#170
20050111782
2005-05-26

Optical energy switching device and method

#171
20050109923
2005-05-26

Optical assembly with variable optical attenuator

#172
20050100283
2005-05-12

Structures that correct for thermal distortion in an optical device formed of thermally dissimilar materials

#173
20050094963
2005-05-05

Tunable optical device

#174
20050094960
2005-05-05

Optical attenuator

#175
20050084205
2005-04-21

Wavelength division multiplexing system having built-in optical attenuator

#176
20050078931
2005-04-14

Multi-channel variable optical attenuator and fabrication method thereof

#177
20050078920
2005-04-14

Micro optical communication device package

#178
20050068645
2005-03-31

Reflective adjustable optical deflector and optical device employing the same

#179
20050063639
2005-03-24

Structures that correct for thermal distortion in an optical device formed of thermally dissimilar materials

#180
20050054128
2005-03-10

Electro-mechanical device having a charge dissipation layer and a method of manufacture therefor

#181
20050047721
2005-03-03

Electrostatically operated micro-optical devices and method for manufacturing thereof

#182
20050034962
2005-02-17

Reducing oxides on a switching fluid in a fluid-based switch

#183
20050024707
2005-02-03

Integrated continuous spectrum spatial light modulator

#184
20050013580
2005-01-20

Variable optical attenuator

#185
20050013003
2005-01-20

Optical beam-steering switching system having beam coupling control

#186
20050002086
2005-01-06

Microelectrical mechanical structure (MEMS) optical modulator and optical display system

#187
15266655
2017-08-08

Optical circuit switch collimator

#188
14698662
2015-11-10

Dispersionless optical tap filter in bi-directional multimode fiber optic link