ClassID:

175592

G02F2203/21 - CPC Classification

Classification description:

Function characteristic Thermal instability, i.e. DC drift, of an optical modulator; Arrangements or methods for the reduction thereof

Recent Application in this class:
#1
20260121758
2026-04-30

RING MODULATOR BASELINE WANDER COMPENSATION

#2
20260104606
2026-04-16

Optical Transmitter

#3
20260056442
2026-02-26

OPTICAL APPARATUS AND WAVELENGTH-TUNABLE LASER

#4
20250383577
2025-12-18

OPTICAL DEVICE AND OPTICAL TRANSMISSION APPARATUS USING THE SAME

#5
20250076727
2025-03-06

TEMPERATURE STABILIZED DIELECTRIC BASED ON-CHIP INTERFEROMETERS

#6
20250035849
2025-01-30

HETEROGENEOUSLY INTEGRATED PHOTONIC PLATFORM SUPPORTING LARGE EFFECTIVE MODE AREA WAVEGUIDES AND THERMALLY OPTIMIZED ACTIVE COMPONENTS

#7
20240402571
2024-12-05

Low Frequency Wave Generation Via Optical Frequency Division

#8
20240275114
2024-08-15

A SEED LASER OPTICAL ISOLATOR, SEED ISOLATOR MODULE, EUV RADIATION SOURCE, LITHOGRAPHIC APPARATUS AND OPTICAL ISOLATOR OPERATING METHOD

#9
20240103334
2024-03-28

OPTICAL MODULE

#10
20230341712
2023-10-26

CORRESPONDENCE GENERATION METHOD, CONTROL METHOD, APPARATUS AND SYSTEM FOR MICRO RING MODULATOR

#11
20220317378
2022-10-06

Photonics stabilization circuitry

#12
20220182149
2022-06-09

RING MODULATOR BASELINE WANDER COMPENSATION

#13
20220163824
2022-05-26

Optoelectronic device

#14
20220004072
2022-01-06

Self-heating electrochromic device and manufacture thereof

#15
20210268741
2021-09-02

Thermo optical control of focus position of an energy beam in an additive manufacturing apparatus

#16
20210199996
2021-07-01

Optical waveguide device

#17
20210157185
2021-05-27

Array substrate, display panel including the same, and display device

#18
20210080579
2021-03-18

Three-dimensional coordinate measuring device

#19
20210033894
2021-02-04

Integrated electro-optical device

#20
20210026165
2021-01-28

Optical element

#21
20210003904
2021-01-07

Photonics stabilization circuitry

#22
20200310170
2020-10-01

Optical modulator

#23
20200218100
2020-07-09

Gas cooled faraday rotator and method

#24
20190339551
2019-11-07

Integrated electro-optical device

#25
20190339549
2019-11-07

Phase modulator, control method for phase modulator, and fringe projector apparatus

#26
20190324301
2019-10-24

Optical modulator

#27
20190258094
2019-08-22

Optoelectronic device

#28
20190249083
2019-08-15

Liquid crystal composition for dimming and liquid crystal dimming device

#29
20190203121
2019-07-04

Polymer-dispersed liquid crystal film for vehicle

#30
20190163028
2019-05-30

Optical modulator and optical transmission device using the same

#31
20190129264
2019-05-02

Array substrate, method for manufacturing the same, liquid crystal display panel and display device

#32
20190113779
2019-04-18

Optical modulator module

#33
20190049813
2019-02-14

Electrochromic element

#34
20190004342
2019-01-03

Semiconductor device and method of manufacturing same

#35
20180373118
2018-12-27

Electromagnetic frequency converter

#36
20180341126
2018-11-29

Semiconductor optical integrated circuit

#37
20180329143
2018-11-15

Polarization-based filter stabilization of broadband light sources

#38
20180314007
2018-11-01

Stabilized broadband light source apparatus and methods

#39
20180307116
2018-10-25

Optical modulator

#40
20180237694
2018-08-23

Method for obtaining a material comprising a liquid crystal mix with a stabilized blue phase and optical article comprising this material

#41
20180231416
2018-08-16

Method and apparatus for actuating an acousto-optical component

#42
20180188632
2018-07-05

Carrier-effect based optical switch

#43
20180101032
2018-04-12

Thermally enhanced fast optical phase shifter

#44
20180031945
2018-02-01

Optical modulator and optical module

#45
20180011386
2018-01-11

Electrochromic element

#46
20170353007
2017-12-07

Variable wavelength laser device

#47
20170315424
2017-11-02

Carrier-Effect Based Switching Cell with Temperature Based Phase Compensation

#48
20170307911
2017-10-26

Optical modulator

#49
20170293200
2017-10-12

Dynamic phase shift compensation for free carrier effect photonic switches

#50
20160335958
2016-11-17

Display with backlight and temperature color compensation

#51
20160299403
2016-10-13

Optical waveguide and optical device based on the same

#52
20160291244
2016-10-06

Flexible backlight illumination carrier

#53
20150316710
2015-11-05

Buffer element and manufacturing method thereof, backlight module, and display device

#54
20150301283
2015-10-22

Method and apparatus providing compensation for wavelength drift in photonic structures

#55
20150085367
2015-03-26

Tunable optical filter and method of manufacture thereof

#56
20150078701
2015-03-19

Optical waveguide element

#57
20140321848
2014-10-30

Optical transmitter and method for controlling operation state of optical transmitter

#58
20140254972
2014-09-11

Optical waveguide element and method of manufacturing the same

#59
20140233090
2014-08-21

Laser light source apparatus and temperature control method of wavelength conversion element in laser light source apparatus

#60
20140233084
2014-08-21

Phase modulation apparatus

#61
20140204443
2014-07-24

Tunable optical filter and method of manufacture thereof

#62
20140169724
2014-06-19

Thermally stabilised resonant electro-optic modulator and use thereof

#63
20140161387
2014-06-12

Optical device

#64
20140161384
2014-06-12

Integrated photonic devices with reduced sensitivity to external influences

#65
20140098410
2014-04-10

Systems and methods for providing temperature stability of acousto-optic beam deflectors and acousto-optic modulators during use

#66
20140050440
2014-02-20

Optical waveguide device

#67
20140036180
2014-02-06

Spatial light modulation device and spatial light modulation method

#68
20130039612
2013-02-14

OPTICAL MODULATOR

#69
20130010349
2013-01-10

Systems and methods for providing temperature stability of acousto-optic beam deflectors and acousto-optic modulators during use

#70
20120294627
2012-11-22

OPTICAL MODULATION METHOD AND SYSTEM

#71
20120229733
2012-09-13

Liquid crystal display device

#72
20120206802
2012-08-16

An Opto-Isolator And A Laser Processing Apparatus Using The Same

#73
20120106888
2012-05-03

Advanced-format optical modulator with low power consumption and low-loss characteristics

#74
20120062974
2012-03-15

Apparatus and methods for wide temperature range operation of micrometer-scale silicon electro-optic modulators

#75
20110286696
2011-11-24

Wavelength control device and wavelength control method

#76
20110273758
2011-11-10

Etalon with temperature-compensation and fine-tuning adjustment

#77
20110273404
2011-11-10

LIQUID CRYSTAL DISPLAY DEVICE

#78
20110255148
2011-10-20

Optical switch

#79
20110233379
2011-09-29

Optical signal generator and method for adjusting the same having a reflecting mirror to define another cavity different from the cavity of a single mode laser

#80
20110229070
2011-09-22

Optical modulator

#81
20110194171
2011-08-11

Optical wavelength conversion element, wavelength conversion laser device, and image display device

#82
20110181951
2011-07-28

Composite reciprocal rotators and thermally compensated optical isolators and circulators therefrom

#83
20110164300
2011-07-07

Method and device for bias control of a laser MZ modulator

#84
20110150387
2011-06-23

Low switching voltage, fast time response digital optical switch

#85
20110128612
2011-06-02

WAVELENGTH CONVERSION ELEMENT

#86
20110096338
2011-04-28

Delay interferometer using magneto-optic effect of a variable faraday rotator

#87
20110096254
2011-04-28

Liquid Crystal Device

#88
20110007995
2011-01-13

Mach zehnder modulator

#89
20100296767
2010-11-25

Optical modulator

#90
20100245968
2010-09-30

Bias controller

#91
20100209040
2010-08-19

Optical modulator

#92
20100165452
2010-07-01

Wavelength conversion element, laser light source, two-dimensional image display and laser processing system

#93
20100150575
2010-06-17

Method and Optical Transmitter for Optimizing DC Bias Voltage Input to Optical Modulator with Duo-Binary Modulation

#94
20100142025
2010-06-10

Control apparatus and method of external modulator

#95
20100135677
2010-06-03

Temperature controlled interferometer for phase demodulation

#96
20100111463
2010-05-06

Optical waveguide device and method for suppressing temperature crosstalk of optical waveguide device

#97
20100103503
2010-04-29

Optical output controller and its control method

#98
20100085630
2010-04-08

Demodulator

#99
20100066649
2010-03-18

Wavelength converting apparatus and image displaying apparatus

#100
20100046878
2010-02-25

Lithium niobate modulator having a doped semiconductor structure for the mitigation of DC bias drift

#101
20100027935
2010-02-04

Optical control device

#102
20100027096
2010-02-04

Tunable optical filter and method of manufacture thereof

#103
20100014801
2010-01-21

Multilevel light intensity modulator

#104
20090323172
2009-12-31

Optical apparatus, and wavelength conversion laser light source, image display apparatus, and laser light source device adopting such optical apparatus

#105
20090290213
2009-11-26

Cooling device for a Faraday rotator of an opto-isolator in a laser processing apparatus

#106
20090279017
2009-11-12

Wavelength conversion module, laser light source device, two-dimensional image display device, backlight light source, liquid crystal display device and laser processing device

#107
20090196610
2009-08-06

Optical reception apparatus compatible with DQPSK polarization multiplexing format

#108
20090142015
2009-06-04

Optical modulators

#109
20090129718
2009-05-21

Light modulator and its fabrication method

#110
20090122814
2009-05-14

Corrosion resistant cooled acousto-optic devices

#111
20090116850
2009-05-07

Resonant quantum well modulator driver

#112
20090067852
2009-03-12

Optical modulator and optical transmitter

#113
20090047028
2009-02-19

Quadrature phase-shift keying modulator and phase shift amount controlling method for the same

#114
20090028034
2009-01-29

TEMPERATURE CONTROL APPARATUS FOR OPTICAL CRYSTAL

#115
20090022182
2009-01-22

Conversion efficiency expansion in wavelength converting optical packages

#116
20090014632
2009-01-15

Athermalized birefringent filter apparatus and method

#117
20090009854
2009-01-08

Wavelength conversion devices

#118
20090003766
2009-01-01

Continuous optical null tracking method for optical switch

#119
20080219678
2008-09-11

CONTROL SYSTEM AND CONTROL METHOD FOR CONTROLLING OPTICAL MODULATOR

#120
20080180782
2008-07-31

Frequency synthesis for acousto-optic devices

#121
20080175598
2008-07-24

Software-based electro-optic modulator bias control systems and methods

#122
20080130094
2008-06-05

Solid state optical scanners based on electro-optic graded index

#123
20080106655
2008-05-08

ECB-type colour liquid crystal display with restrained temperature dependency of colour tone

#124
20080094123
2008-04-24

Bias-control for optical Mach-Zehnder modulators with voltage-induced optical absorption

#125
20080075470
2008-03-27

Optical transmission device

#126
20070269222
2007-11-22

Pilot tone bias control

#127
20070177151
2007-08-02

Interferometer for demodulating differential M-phase shift keying signal

#128
20070147722
2007-06-28

Optical waveguide devices and traveling wave type optical modulators

#129
20070146863
2007-06-28

Dynamic optical phase shifter compensator

#130
20070116475
2007-05-24

Low bias drift modulator with buffer layer

#131
20070116421
2007-05-24

Environmentally stable electro-optic device and method for making same

#132
20070076999
2007-04-05

Optical waveguide modulator with output light monitor

#133
20070070488
2007-03-29

Light modulation apparatus and light modulator control method

#134
20070065088
2007-03-22

Waveguide type variable optical attenuator

#135
20070007676
2007-01-11

Electro-optic modulator

#136
20060284811
2006-12-21

LCD device with improved optical performance

#137
20060233494
2006-10-19

Electro-optic waveguide device capable of suppressing bias point DC drift and thermal bias point shift

#138
20060187521
2006-08-24

Pockels cell

#139
20060133713
2006-06-22

Optical waveguide modulator equipped with an output light monitor

#140
20060083144
2006-04-20

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

#141
20060056766
2006-03-16

Optical device

#142
20060023288
2006-02-02

Low bias drift modulator with buffer layer

#143
20050275920
2005-12-15

Semiconductor electro-absorption optical modulator, semiconductor electro-absorption optical modulator integrated laser, optical transmitter module and optical module

#144
20050105848
2005-05-19

Optical waveguide modulator with output light monitor

#145
20050100260
2005-05-12

Optical waveguide device, variable optical attenuator, and optical switch

#146
20050078919
2005-04-14

Waveguide type optical module, and temperature control component, and temperature control element thereof

#147
20050047720
2005-03-03

Buffer layer structures for stabilization of a lithium niobate device

#148
20050039322
2005-02-24

Method of manufacturing optical modulator

#149
20050024576
2005-02-03

LCD device and LCD projector

#150
16860273
2020-12-08

Optical laser communication apparatus with etalon-based optical phase demodulation and associated methods

#151
16108793
2019-02-26

Systems and methods for resonance stabilization of microring resonator