Patents-Review.com
ClassID:

174068 ⎘

G02B6/2935 - 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 Mach-Zehnder configuration, i.e. comprising separate splitting and combining means

Recent Application in this class:
#1
20260118655
2026-04-30

OPTICAL EYEPIECE USING SINGLE-SIDED PATTERNING OF GRATING COUPLERS

 #2
20260050123
2026-02-19

MACH-ZEHNDER INTERFEROMETERS WITH PHASE DELAY ARMS HAVING A METAMATERIAL REGION

 #3
20250369746
2025-12-04

INTERFEROMETER FILTERS WITH PARTIAL COMPENSATION STRUCTURE

 #4
20250314829
2025-10-09

FABRICATION METHOD FOR PHOTONIC DEVICES

 #5
20250264663
2025-08-21

2X2 COUPLER

 #6
20250251547
2025-08-07

PHOTONIC INTEGRATED CIRCUIT HAVING REDUNDANT LIGHT PATH AND METHOD OF USING

 #7
20250231344
2025-07-17

Ring Resonator Supporting High-order Guided Modes

 #8
20250123533
2025-04-17

METHOD FOR MODULATING SIGNAL QUALITY OF AN OPTICAL MODULATION COMMUNICATION SYSTEM

 #9
20250112793
2025-04-03

AN APPARATUS

 #10
20250055571
2025-02-13

Dual-Output Coherent Optical Technology

 #11
20240319446
2024-09-26

BIDIRECTIONAL FILTER

 #12
20240094470
2024-03-21

OPTICAL TRANSCEIVER, OPTICAL TRANSCEIVER DEVICE USING THE SAME, AND METHOD OF CONTROLLING LIGHT SOURCE WAVELENGTHS

 #13
20240090102
2024-03-14

Systems and Methods for Wavelength Locking in Optical Sensing Systems

 #14
20240085783
2024-03-14

OPTICAL DEVICE, METHOD FOR ADJUSTING A SETPOINT DEFORMATION AND LITHOGRAPHY SYSTEM

 #15
20240077680
2024-03-07

Method of using photonic integrated circuit having redundant light path

 #16
20240027179
2024-01-25

INTERFEROMETER FILTERS WITH PARTIAL COMPENSATION STRUCTURE

 #17
20230396339
2023-12-07

CONFIGURABLE INTENSITY-MODULATION DIRECT DETECTION (IMDD) OPTICAL TRANSCEIVERS

 #18
20230361533
2023-11-09

Dual grating-coupled lasers

 #19
20230359070
2023-11-09

Electro-optic modulator

 #20
20230324616
2023-10-12

Wavelength Division Multiplexing Filter for Multiplexing or Demultiplexing Using Cascaded Frequency Shaping

 #21
20230288321
2023-09-14

Optical ring resonator-based microfluidic sensor

 #22
20230288258
2023-09-14

Fourier transform spectrometer

 #23
20230239046
2023-07-27

Optical wavemeter

 #24
20230204938
2023-06-29

OPTICAL EYEPIECE USING SINGLE-SIDED PATTERNING OF GRATING COUPLERS

 #25
20230168076
2023-06-01

Interferometer filters with partial compensation structure

 #26
20230163854
2023-05-25

Dual-output coherent optical technology

 #27
20230106876
2023-04-06

Bidirectional filter

 #28
20220413222
2022-12-29

Photonic chip, field programmable photonic array and photonic integrated circuit

 #29
20220404678
2022-12-22

Optical transmitter, optical transceiver, and method of controlling bias voltage of electro-optic modulator

 #30
20220365400
2022-11-17

Optical wavemeter

 #31
20220365284
2022-11-17

Photonic integrated circuit having redundant light path and method of using

 #32
20220357514
2022-11-10

Fabrication method for photonic devices

 #33
20220334414
2022-10-20

Integrated photonic component for enhanced mode overlap of a 2D phase shifter

 #34
20220329046
2022-10-13

Dual grating-coupled lasers

 #35
20220317377
2022-10-06

Optical transmission apparatus, optical modulator, and activation method

 #36
20220206356
2022-06-30

Differential thermo-optic phase shifter

 #37
20220197103
2022-06-23

Optical modulation element and optical modulation module

 #38
20220171134
2022-06-02

Optical circuit for alignment and optical alignment method

 #39
20220171133
2022-06-02

Qudit pair generator

 #40
20220137299
2022-05-05

Wavelength division multiplexing filter for multiplexing or demultiplexing using cascaded frequency shaping

 #41
20220120973
2022-04-21

Temperature-insensitive Mach-Zehnder interferometer

 #42
20220086538
2022-03-17

Wavelength monitoring device and controlling method thereof

 #43
20220053250
2022-02-17

Bandwidth-reconfigurable optical interconnect based on wavelength and spatial switching

 #44
20220035159
2022-02-03

Waveguide-based projector

 #45
20210364879
2021-11-25

Optical modulating device

 #46
20210364703
2021-11-25

Mach-Zehnder interferometer with mirrored facet

 #47
20210345468
2021-11-04

Systems and methods for wavelength locking in optical sensing systems

 #48
20210336050
2021-10-28

Solid-State Device with Optical Waveguide as Floating Gate Electrode

 #49
20210278595
2021-09-09

Fabrication method for photonic devices

 #50
20210271070
2021-09-02

Optical eyepiece using single-sided patterning of grating couplers

 #51
20210255521
2021-08-19

Biasing method for InP Mach-Zehnder modulators directly coupled to RF driver circuits

 #52
20210223476
2021-07-22

Photo detector and method for producing photo detector

 #53
20210192342
2021-06-24

Training of photonic neural networks through in situ backpropagation

 #54
20210191232
2021-06-24

Apparatus and methods for spatio-temporal implementation of arbitrary unitary transformations on optical modes

 #55
20210181696
2021-06-17

Indirect feedback tuning apparatuses and methods for tuning photonic systems

 #56
20210108978
2021-04-15

Photonic device, method for operating a photonic device and method for manufacturing a photonic device

 #57
20210067252
2021-03-04

Method and device for endless phase shifting of an optical signal

 #58
20210011221
2021-01-14

Optical filter control

 #59
20200393666
2020-12-17

Optical eyepiece using single-sided patterning of grating couplers

 #60
20200382217
2020-12-03

Coherent optical receiver

 #61
20200333530
2020-10-22

Dual grating-coupled lasers

 #62
20200319409
2020-10-08

Wavelength division multiplexing filter for multiplexing or demultiplexing using cascaded frequency shaping

 #63
20200310218
2020-10-01

Optical modulator and optical transmission apparatus using the same

 #64
20200304320
2020-09-24

Optical interferometric-based physically unclonable function device

 #65
20200257142
2020-08-13

Nonreciprocal optical transmission device and optical apparatus including the same

 #66
20200209480
2020-07-02

OPTICAL PHASED ARRAY FOURIER TRANSFORM PROCESSOR

 #67
20190391324
2019-12-26

CONTROLLING BACK SCATTERING IN OPTICAL WAVEGUIDE SYSTEMS

 #68
20190384008
2019-12-19

Multi-mode interference coupler

 #69
20190348814
2019-11-14

Tunable lasers

 #70
20190245642
2019-08-08

Optical transport apparatus, optical demultiplexer, and method of controlling optical demultiplexing

 #71
20190219767
2019-07-18

Multi-mode interference coupler

 #72
20190212483
2019-07-11

Thermally stable optical filter

 #73
20190044300
2019-02-07

Wavelength locker, wavelength tunable laser apparatus, and method for controlling wavelength tunable laser apparatus

 #74
20190027899
2019-01-24

Rapidly tunable silicon modulated laser

 #75
20190027898
2019-01-24

Single-pass ring-modulated laser

 #76
20190011253
2019-01-10

Distributed measuring device and method for simultaneously measuring strain and temperature based on optical frequency domain reflection

 #77
20180335572
2018-11-22

Multi-mode interference coupler

 #78
20180188559
2018-07-05

Nonreciprocal optical transmission device and optical apparatus including the same

 #79
20170315297
2017-11-02

Multi-mode interference coupler

 #80
20170293086
2017-10-12

Switch matrix incorporating polarization controller

 #81
20170031101
2017-02-02

Field-programmable optical component

 #82
20160274438
2016-09-22

Integrated light source and light output control method

 #83
20160085066
2016-03-24

Device and method for micro-electro-mechanical-system photonic switch

 #84
20150331193
2015-11-19

Self-equalizing photo detector

 #85
20150241633
2015-08-27

Optical waveguide device having a light absorber for split out modes

 #86
20150226963
2015-08-13

Optical cell with wavelength compensator

 #87
20150212268
2015-07-30

Low loss optical crossing and method of making same

 #88
20150117809
2015-04-30

Silicon waveguide having polarization insensitive and temperature insensitive phase delay

 #89
20140233878
2014-08-21

Optical element and Mach-Zehnder optical waveguide element

 #90
20140023310
2014-01-23

Optical modulator

 #91
20140009813
2014-01-09

Optical cell with wavelength compensator

 #92
20130279906
2013-10-24

Method for coupling an emitting device to a frequency splitter in an optical passive network

 #93
20120243827
2012-09-27

Optical waveguide device and optical hybrid circuit

 #94
20120189238
2012-07-26

Unbalanced Mach-Zehnder interferometer and modulator based thereupon

 #95
20120162746
2012-06-28

PLC-type delay demodulation circuit

 #96
20120154901
2012-06-21

PLC-type delay demodulation circuit

 #97
20110311192
2011-12-22

OPTICAL WAVEGUIDE DEVICE AND MANUFACTURING METHOD OF OPTICAL WAVEGUIDE DEVICE

 #98
20100238452
2010-09-23

Dual Fiber Stretchers for Dispersion Compensation

 #99
20100067843
2010-03-18

Tunable optical filter

 #100
20090316158
2009-12-24

Interferometric chemical sensor array

 #101
20090162066
2009-06-25

Intra-channel equalizing optical interleaver

 #102
20080062524
2008-03-13

Reflective micro-optic interferometric filter and its applications

 #103
20070217737
2007-09-20

Method and apparatus for optically filtering a communication signal

 #104
20060215953
2006-09-28

Optical interferometer

 #105
20050259915
2005-11-24

Optical wavelength division multiplexed system using wavelength splitters

 #106
20050213879
2005-09-29

Flexible band tunable filter

 #107
20050206904
2005-09-22

Entangled photon fourier transform spectroscopy

 #108
20050157305
2005-07-21

Micro-optical sensor system for pressure, acceleration, and pressure gradient measurements

 #109
20050135737
2005-06-23

Optical interleaver

 #110
20050111772
2005-05-26

Hybrid cell

 #111
17313917
2022-11-15

System and method for parallel photonic computation

 #112
13347660
2015-06-23

Optical phase modulator