ClassID:

174071

G02B6/29361 - CPC Classification

Classification description:

Light guides; Coupling light guides; Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by wave or beam interference Interference filters, e.g. multilayer coatings, thin film filters, dichroic splitters or mirrors based on multilayers, WDM filters

Recent Application in this class:
#1
20260050124
2026-02-19

FOLDING OPTICAL SYSTEM, OPTICAL REPEATER, AND OPTICAL TRANSMISSION SYSTEM

#2
20260003125
2026-01-01

Wavelength Division Multiplexer with Multiple Inputs and Outputs

#3
20250306283
2025-10-02

SEPARATION FILTER AND QUANTUM COMMUNICATION SYSTEM USING THE SAME

#4
20250199223
2025-06-19

CURVED REFLECTIVE POLARIZER

#5
20240264379
2024-08-08

Wavelength Division Multiplexer with Multiple Inputs and Outputs

#6
20240210635
2024-06-27

OPTICAL EMISSION ASSEMBLY AND OPTICAL MODULE

#7
20240176075
2024-05-30

WAVELENGTH DIVISION MULTIPLEXING DEVICE WITH PASSIVE ALIGNMENT SUBSTRATE

#8
20240126022
2024-04-18

System and method for optical communications using CWDM ferrule mated to a non-CWDM ferrule

#9
20240118495
2024-04-11

ACHROMATIC COUPLERS, ACHROMATIC VARIABLE RATIO COUPLERS, AND METHODS OF MAKING THE SAME

#10
20240061180
2024-02-22

WAVELENGTH DIVISION MULTIPLEXING/DEMULTIPLEXING DEVICES

#11
20240004138
2024-01-04

OPTICAL FILTER DEVICE

#12
20230367074
2023-11-16

OPTICAL FIBER FILTER WITH ULTRA-WIDE TUNING RANGE

#13
20230327768
2023-10-12

Wavelength division multiplexing device having wavelength division multiplexing filter

#14
20230324617
2023-10-12

Turnable free space optical filters

#15
20230280537
2023-09-07

Wavelength division multiplexing device with passive alignment substrate

#16
20230089314
2023-03-23

Curved reflective polarizer

#17
20220373741
2022-11-24

Slope gain equalizer

#18
20220350083
2022-11-03

Wavelength separated fine steering assembly

#19
20220291459
2022-09-15

System and method for optical communications using CWDM ferrule mated to a non-CWDM ferrule

#20
20220276447
2022-09-01

System and method for optical communications using CWDM ferrule mated to a non-CWDM ferrule

#21
20220269001
2022-08-25

Optical multi/demultiplexing circuit

#22
20220196916
2022-06-23

Optical fiber filter with ultra-wide tuning range

#23
20220128774
2022-04-28

Optical transceiver and methods of making and using the same

#24
20220066102
2022-03-03

METHOD OF MANUFACTURING OPTICAL MULTIPLEXER AND OPTICAL MULTIPLEXER MANUFACTURED THEREBY

#25
20210333476
2021-10-28

Method of manufacturing optical multiplexer and optical multiplexer manufactured thereby

#26
20210199904
2021-07-01

Optical module and assembly method thereof

#27
20210109287
2021-04-15

Color separation in planar waveguides using an optical filter between two diffractive optical elements (DOE)

#28
20210063653
2021-03-04

Optical module and optical communication network system having the same

#29
20200382214
2020-12-03

ACTIVE OPTICAL CABLE

#30
20200379151
2020-12-03

Interference filter module

#31
20200359571
2020-11-19

High efficiency translucent solar module integrated with greenhouse roof structures

#32
20200350987
2020-11-05

OPTICAL TEST DEVICE AND SYSTEMS

#33
20200295213
2020-09-17

High-efficiency translucent solar module assembly

#34
20200292758
2020-09-17

Optoelectronic assembly

#35
20200292752
2020-09-17

Optical waveguide element and manufacturing method therefor

#36
20200241187
2020-07-30

Curved reflective polariser films and methods of shaping

#37
20200159034
2020-05-21

Multi-channel optical multiplexer or demultiplexer

#38
20200099445
2020-03-26

Optical test device and systems

#39
20200088945
2020-03-19

Color separation in planar waveguides using wavelength filters

#40
20190361173
2019-11-28

SEMICONDUCTOR DEVICE

#41
20190310421
2019-10-10

Eyepiece providing color separation in planar waveguides using dichroic filters

#42
20190302369
2019-10-03

Changing pulse width to reduce visible interference

#43
20190250336
2019-08-15

Fiber coupled laser source pump with wavelength division multiplexer, isolator, tap filter, and photodetector

#44
20190171001
2019-06-06

Thermal driven MEMS tunable filter

#45
20190033501
2019-01-31

Spectral filter for high-power fiber illumination sources

#46
20190025518
2019-01-24

SEMICONDUCTOR DEVICE

#47
20180348446
2018-12-06

Pluggable fiber loopback apparatus and methods for fiber optical systems

#48
20180180817
2018-06-28

Color separation in planar waveguides using dichroic filters

#49
20180172915
2018-06-21

Free-space optical communication dual-fiber ferrule

#50
20180095224
2018-04-05

Polarization-insensitive optical transceiver

#51
20180088280
2018-03-29

Free-space optical communication dual-fiber ferrule

#52
20170272153
2017-09-21

Optical test device and systems

#53
20170261707
2017-09-14

OPTICAL RECEIVER AND OPTICAL TRANSCEIVER

#54
20170160499
2017-06-08

Optical receiving device including first lens and second lens and optical receiving system including first lens and second lens

#55
20170063485
2017-03-02

Optical transceiver module with dual band pass WDM coupler embedded therein

#56
20170038535
2017-02-09

Optical comb filter having first, second and third GT resonant cavities

#57
20170031205
2017-02-02

Display panel and display device having the same

#58
20170005729
2017-01-05

Optical channel monitor with integral optical switch

#59
20160380695
2016-12-29

Optical test device and systems

#60
20160337728
2016-11-17

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

#61
20160337071
2016-11-17

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

#62
20160334282
2016-11-17

Coupling device for connecting an optical waveguide to an associated optical waveguide connection

#63
20160301494
2016-10-13

Bandwidth adjustable optical module and system

#64
20160252690
2016-09-01

Bi-directional optical module communicating with single optical fiber and optical transceiver implementing the same

#65
20160196943
2016-07-07

Reconfigurable device for terahertz (THz) and infrared (IR) filtering and modulation

#66
20160195792
2016-07-07

Device and method for all-optical information exchange

#67
20160154194
2016-06-02

Light receiving module having built-in wavelength-tunable wavelength-selective filter

#68
20160085028
2016-03-24

Filter, method for producing filter, and laser wavelength monitoring apparatus

#69
20160028476
2016-01-28

Optical test device and systems

#70
20150346407
2015-12-03

Optical filter including a step section, and analytical instrument and optical apparatus using the optical filter

#71
20150334475
2015-11-19

Wavelength division multiplexer array

#72
20150309259
2015-10-29

Multiport tunable optical filters

#73
20150226962
2015-08-13

MULTI-LAYER THIN FILM FILTER AND METHOD OF BUILDING THEREFOR

#74
20150070768
2015-03-12

Optical filter including a step section, and analytical instrument and optical apparatus using the optical filter

#75
20150009497
2015-01-08

Multiport tunable optical filters

#76
20140158872
2014-06-12

Coupling device for connecting an optical waveguide to an associated optical waveguide connection

#77
20140118737
2014-05-01

Multiport tunable optical filters

#78
20130343702
2013-12-26

OPTICAL FIBER ASSEMBLY HAVING FIBER BRAGG GRATING

#79
20130183030
2013-07-18

SYSTEM FOR TESTING OF OPTICAL NETWORK

#80
20130163629
2013-06-27

User-selectable laser and optical transmitter having the same

#81
20130129344
2013-05-23

Apparatus, system and method for network monitoring

#82
20120087621
2012-04-12

Nanophotonic optical duplexer

#83
20110304906
2011-12-15

Color compensating retinal safety filter

#84
20110280514
2011-11-17

Optical reception module and method of manufacturing optical reception module

#85
20110222158
2011-09-15

Optical filter including a step section, and analytical instrument and optical apparatus using the optical filter

#86
20110188000
2011-08-04

MULTIPLEXING DEVICE FOR IMAGE DISPLAY AND RETINAL SCANNING DISPLAY PROVIDED WITH MULTIPLEXING DEVICE

#87
20110170164
2011-07-14

Tunable thin-film filter

#88
20110110666
2011-05-12

Optical communication module for optical wavelength division multiplexing

#89
20100231619
2010-09-16

System and method of ink and data delivery

#90
20100226655
2010-09-09

Self-standing parallel plate beam splitter, method for manufacturing the same, and laser diode package structure using the same

#91
20100172608
2010-07-08

Optical device, optical system, and method of manufacturing optical device

#92
20100135619
2010-06-03

Optical module and fabrication method of the same

#93
20100061730
2010-03-11

OPTICAL TRANSMITTING OR RECEIVING UNIT INTEGRATING A PLURALITY OF OPTICAL DEVICES EACH HAVING A SPECIFIC WAVELENGTH DIFFERENT FROM EACH OTHER

#94
20100021103
2010-01-28

WAVELENGTH BLOCKER

#95
20090284708
2009-11-19

Polarization independent birefringent tunable filters

#96
20090274415
2009-11-05

Compact, low-loss optical wavelength multiplexer/demultiplexer

#97
20090226171
2009-09-10

WDM optical transmit-receive device

#98
20090202252
2009-08-13

Optical communication module and method for using the same

#99
20090080900
2009-03-26

Environmentally stable component assembly

#100
20090041062
2009-02-12

FIBER-BASED TUNABLE LASER

#101
20090016740
2009-01-15

Method and apparatus for compensating for fiber nonlinearity in a transmission system

#102
20080285914
2008-11-20

Optical module

#103
20080260331
2008-10-23

Multiplexer/Demultiplexer, Method for Fabricating the Same, and Optical Multiplexe/Demultiplexer Module

#104
20080240716
2008-10-02

Beam position sensor for optical switch modules

#105
20080226230
2008-09-18

Optical device

#106
20080218863
2008-09-11

Color compensating retinal safety filter

#107
20080205887
2008-08-28

Integrated wavelength selectable photodiode using tunable thin film filters

#108
20080145054
2008-06-19

OPTICAL MODULE WITH OPTICAL FILTER

#109
20080144999
2008-06-19

Optical transmission component and production method thereof

#110
20080031625
2008-02-07

WDM hybrid splitter module

#111
20080008475
2008-01-10

Apparatus, system and method for a tunable optical filter

#112
20070274644
2007-11-29

Optical communication with wavelength separation

#113
20070258679
2007-11-08

Wavelength routing optical switch

#114
20070230868
2007-10-04

Optical reflector, optical system and optical multiplexer/demultiplexer device

#115
20070201805
2007-08-30

Optical transmission device and light-receiving module

#116
20070183780
2007-08-09

Apparatus and method for selecting and passing an optical wavelength from an aggregate optical signal

#117
20070166040
2007-07-19

Optical transmission system for transmitting signal of E-band with other bands

#118
20070127863
2007-06-07

System and method for guiding light from an interrogation zone to a detector system

#119
20070047880
2007-03-01

Optical module

#120
20070025410
2007-02-01

CHG ring resonators

#121
20060285209
2006-12-21

Tunable-wavelength optical filter and method of manufacturing the same

#122
20060280402
2006-12-14

Optical filter

#123
20060280401
2006-12-14

Tunable filter

#124
20060280400
2006-12-14

Hitless tunable filter

#125
20060274999
2006-12-07

Optical subassembly of optical transceiver

#126
20060261258
2006-11-23

Optical assembly with optical transmitting and receiving functions

#127
20060245693
2006-11-02

Precise and permanent modification of the resonant frequency of a dielectric microcavity and correction of frequency shifts in dielectric coupled-resonator filters

#128
20060227426
2006-10-12

Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion

#129
20060215285
2006-09-28

Rod integrators for light recycling

#130
20060197959
2006-09-07

Precise and permanent modification of the resonant frequency of a dielectric microcavity and correction of frequency shifts in dielectric coupled-resonator filters

#131
20060181789
2006-08-17

Optical frequency linear chirp variable unit

#132
20060164741
2006-07-27

Integrated optical filter apparatus

#133
20060158718
2006-07-20

Erbium-doped fiber amplifier and integrated module components

#134
20060156241
2006-07-13

Method and apparatus for implementing a multi-channel tunable filter

#135
20060147212
2006-07-06

Optical filter, an optical interleaver and associated methods of manufacture

#136
20060140548
2006-06-29

Optical transceiver and passive optical network using the same

#137
20060133742
2006-06-22

Universal multi-port optical block assembly with configurable optical port

#138
20060115207
2006-06-01

Optical module

#139
20060110163
2006-05-25

Spatial transmit/receive isolation method for optical communication systems

#140
20060110094
2006-05-25

Bidirectional electro-optical device for coupling light-signals into and out of a waveguide

#141
20060088255
2006-04-27

Multi-wavelength optical transceiver subassembly module

#142
20060072873
2006-04-06

Rotary optical switch

#143
20060067629
2006-03-30

Optical component and method of manufacturing the same

#144
20060045425
2006-03-02

Wavelength-selectable device and optical communication system including the same

#145
20060039648
2006-02-23

Apparatus, system and method for a tunable optical filter and channel dropping de-multiplexer

#146
20060027737
2006-02-09

Array and method for monitoring the performance of DWDM multiwavelength systems

#147
20060018204
2006-01-26

Integrated optical multiplexer and demultiplexer

#148
20050280888
2005-12-22

Erbium-doped fiber amplifier and integrated circuit module components

#149
20050271351
2005-12-08

Combined optical fiber wheel, beamsplitter, switch, and logic gate

#150
20050249457
2005-11-10

Device for generating a light beam including multiple wavelengths

#151
20050226553
2005-10-13

Optical filtration device

#152
20050220398
2005-10-06

Optical module

#153
20050219704
2005-10-06

Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion

#154
20050207014
2005-09-22

Solar tunable filter assembly

#155
20050175345
2005-08-11

Wavelength multiplexing device and optical transmission module provided with the same

#156
20050174653
2005-08-11

Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion

#157
20050157989
2005-07-21

Optical package substrate, optical device, optical module, and method for molding optical package substrate

#158
20050157392
2005-07-21

Tunable-wavelength optical filter and method of manufacturing the same

#159
20050152699
2005-07-14

Dispersion compensating filters

#160
20050141806
2005-06-30

Multiplexing and demultiplexing optical signals

#161
20050100275
2005-05-12

Optical communication module and manufacturing method thereof

#162
20050084217
2005-04-21

Optical module capable of transmitting optical signal in bi-directional with single fiber

#163
20050078909
2005-04-14

Optical add/drop module

#164
20050078237
2005-04-14

Liquid crystal variable wavelength filter unit, and driving method thereof

#165
20050074206
2005-04-07

Tunable dispersion compensator

#166
20050036740
2005-02-17

Optical transmitting/reception module using a ferrule, optical transmission/reception module connection apparatus, and optical transmission/reception module manufacturing method

#167
20050036730
2005-02-17

COB package type bi-directional transceiver module

#168
20050018324
2005-01-27

Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion

#169
20050008281
2005-01-13

Optical multiplexer/demultiplexer, optical integrated circuit and light transceiver using the same

#170
17162495
2022-05-03

Optical device

#171
16541998
2020-12-29

Simultaneous distributed temperature and vibration sensing using multimode optical fiber

#172
16043957
2019-11-12

Fiber optic panel with integrated sensors

#173
15722021
2018-11-06

Multi-element optical links

#174
15184856
2017-09-19

Polarization-insensitive optical transceiver