ClassID:

216161

H01S5/3434 - CPC Classification

Classification description:

Semiconductor lasers; Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well lasers [SQW-lasers], multiple quantum well lasers [MQW-lasers] or graded index separate confinement heterostructure lasers [GRINSCH-lasers] in AB compounds, e.g. AlGaAs-laser, InP-based laser with a well layer comprising at least both As and P as V-compounds

Recent Application in this class:
#1
20260095022
2026-04-02

HYBRID SILICON III-V OPTICAL DEVICES WITH A HIGH REFRACTIVE INDEX SPACER BETWEEN GAIN MEDIUM AND WAVEGUIDE

#2
20250343393
2025-11-06

OPTICAL SEMICONDUCTOR DEVICE

#3
20250279629
2025-09-04

WAVELENGTH-VARIABLE LASER

#4
20250253621
2025-08-07

SEMICONDUCTOR OPTICAL DEVICE AND METHOD OF MANUFACTURING SEMICONDUCTOR OPTICAL DEVICE

#5
20250112445
2025-04-03

SEMICONDUCTOR OPTICAL DEVICE

#6
20240332910
2024-10-03

HIGH-EFFICIENCY ACTIVE LAYER AND SEMICONDUCTOR LIGHT-EMITTING DEVICE AND PREPARATION METHOD

#7
20240297482
2024-09-05

LASER MODULE AND METHOD FOR MANUFACTURING THE SAME

#8
20240291240
2024-08-29

WAVELENGTH-VARIABLE LASER

#9
20240222939
2024-07-04

SEMICONDUCTOR STRUCTURE AND METHOD FOR MANUFACTURING SAME

#10
20240178635
2024-05-30

CONTROL METHOD AND CONTROL DEVICE OF WAVELENGTH TUNABLE LASER DEVICE, AND NON-TRANSITORY STORAGE MEDIUM STORING CONTROL PROGRAM OF WAVELENGTH TUNABLE LASER DEVICE

#11
20240178634
2024-05-30

WAVELENGTH TUNABLE LASER DEVICE AND METHOD OF MANUFACTURING THE SAME

#12
20240170924
2024-05-23

OPTICAL MODULATOR

#13
20240170920
2024-05-23

SEMICONDUCTOR LASER WITH METAL PULL-BACK DBR GRATING

#14
20240120711
2024-04-11

LASER DEVICE, LASER DEVICE ARRAY, AND METHOD OF PRODUCING A LASER DEVICE

#15
20240072512
2024-02-29

OPTICAL SEMICONDUCTOR DEVICE

#16
20240063602
2024-02-22

Power monitor for silicon-photonics-based laser

#17
20240055830
2024-02-15

Semiconductor laser element, testing method, and testing device

#18
20240039248
2024-02-01

SEMICONDUCTOR LASER DEVICE AND METHOD OF MANUFACTURING THE SAME

#19
20230307888
2023-09-28

DISTRIBUTED FEEDBACK LASER WITH COMPLEX COUPLING

#20
20230275400
2023-08-31

SEMICONDUCTOR OPTICAL DEVICE AND METHOD FOR PRODUCING SEMICONDUCTOR OPTICAL DEVICE

#21
20230275399
2023-08-31

SEMICONDUCTOR OPTICAL DEVICE AND METHOD OF MANUFACTURING THE SAME

#22
20230253762
2023-08-10

SEMICONDUCTOR LASER DEVICE

#23
20230208101
2023-06-29

SEMICONDUCTOR MODE-LOCKED LASER DUAL COMB SYSTEM

#24
20230187906
2023-06-15

Wavelength-variable laser

#25
20230060877
2023-03-02

SEMICONDUCTOR OPTICAL DEVICE AND METHOD OF MANUFACTURING THE SAME

#26
20220352685
2022-11-03

HIGHLY-INTEGRATED COMPACT DIFFRACTION-GRATING BASED SEMICONDUCTOR LASER

#27
20220285906
2022-09-08

Power monitor for silicon-photonics-based laser

#28
20220238737
2022-07-28

FABRICATING A SEMICONDUCTOR STRUCTURE WITH MULTIPLE QUANTUM WELLS

#29
20220190560
2022-06-16

GAIN MEDIUM STRUCTURE FOR SEMICONDUCTOR OPTICAL AMPLIFIER WITH HIGH SATURATION POWER

#30
20220102939
2022-03-31

Directly modulated laser

#31
20220069547
2022-03-03

SEMICONDUCTOR LASER ELEMENT

#32
20210249840
2021-08-12

Semiconductor optical device and method for producing semiconductor optical device

#33
20210210930
2021-07-08

TECHNIQUES FOR ELECTRICALLY ISOLATING N AND P-SIDE REGIONS OF A SEMICONDUCTOR LASER CHIP FOR P-SIDE DOWN BONDING

#34
20210210929
2021-07-08

Wavelength-variable laser

#35
20210184436
2021-06-17

Wavelength-variable laser

#36
20210184421
2021-06-17

Semiconductor Optical Element

#37
20210159668
2021-05-27

Vertical cavity surface emitting device with a buried index guiding current confinement layer

#38
20210151954
2021-05-20

Semiconductor laser element, testing method, and testing device

#39
20210126428
2021-04-29

Semiconductor optical device

#40
20210044083
2021-02-11

Buried-type semiconductor optical device

#41
20200395737
2020-12-17

Semiconductor laser diode

#42
20200274321
2020-08-27

Process for producing a component comprising III-V materials and contacts compatible with silicon process flows

#43
20200161837
2020-05-21

AlGaInPAs-based semiconductor laser device and method for producing same

#44
20200067279
2020-02-27

Wavelength-variable laser

#45
20200006916
2020-01-02

Method for tuning emission wavelength of laser device

#46
20190363516
2019-11-28

Optical waveguide structure

#47
20190363505
2019-11-28

Wavelength-tunable laser device

#48
20190273361
2019-09-05

Substrate technology for quantum dot lasers integrated on silicon

#49
20190250328
2019-08-15

Hybrid optical assembly and method for fabricating same

#50
20190187369
2019-06-20

Semiconductor optical integrated device having buried hetero structure waveguide and deep ridge waveguide

#51
20180366914
2018-12-20

Semiconductor laser with tensile strained InAlAs electron blocker for 1310 nanometer high temperature operation

#52
20180358779
2018-12-13

Photonic crystal device

#53
20180351328
2018-12-06

Semiconductor laser device, diffraction grating structure, and diffraction grating

#54
20180331503
2018-11-15

Wavelength-variable laser

#55
20180301868
2018-10-18

Self-referencing frequency comb based on high-order sideband generation

#56
20180269658
2018-09-20

SEMICONDUCTOR LASER INCORPORATING AN ELECTRON BARRIER WITH LOW ALUMINUM CONTENT

#57
20180261982
2018-09-13

SEMICONDUCTOR LASER

#58
20180212400
2018-07-26

Process of forming epitaxial substrate and semiconductor optical device

#59
20180191134
2018-07-05

Light-emitting device having III-V semiconductor gain section coupled to whistle-geometry tunable filter

#60
20180152001
2018-05-31

Semiconductor laser, light source unit, and laser light irradiation device

#61
20180048120
2018-02-15

SEMICONDUCTOR LIGHT EMITTING DEVICE

#62
20180041011
2018-02-08

Photonic crystal laser and strain measuring device

#63
20170324219
2017-11-09

SEMICONDUCTOR LASER INCORPORATING AN ELECTRON BARRIER WITH LOW ALUMINUM CONTENT

#64
20170207604
2017-07-20

Process of forming semiconductor optical device and semiconductor optical device

#65
20170194762
2017-07-06

Optical module installing a semiconductor optical amplifier

#66
20170187168
2017-06-29

Optical semiconductor device, semiconductor laser module, and optical fiber amplifier

#67
20170179685
2017-06-22

Multiwavelength quantum cascade laser via growth of different active and passive cores

#68
20170146734
2017-05-25

Semiconductor optical integrated device including a reduced thickness upper cladding layer in a ridge waveguide portion, and method of manufacturing the same

#69
20170085056
2017-03-23

Semiconductor layer variation for substrate removal after bonding

#70
20170005455
2017-01-05

Tunable optical phase filter

#71
20160351392
2016-12-01

Semiconductor device

#72
20160336719
2016-11-17

INTEGRATED SEMICONDUCTOR LASER DEVICE AND SEMICONDUCTOR LASER MODULE

#73
20160322784
2016-11-03

Optical Device With Multisection Semiconductor Optical Amplifiers for Achieving Wide Optical Bandwidth and Large Output Power

#74
20160300691
2016-10-13

System for manufacturing semiconductor device

#75
20160276805
2016-09-22

Vertical cavity surface emmiting laser

#76
20160211651
2016-07-21

Semiconductor laser device

#77
20160134082
2016-05-12

Tunable semiconductor laser based on reconstruction-equivalent chirp and series mode or series and parallel hybrid integration, and preparation thereof

#78
20160094014
2016-03-31

Hybrid Silicon Lasers on Bulk Silicon Substrates

#79
20160064902
2016-03-03

Semiconductor laser device and manufacturing method thereof

#80
20160013621
2016-01-14

DISTRIBUTED FEEDBACK LASER DIODE ARRAY AND METHOD OF MANUFACTURING SAME

#81
20150349490
2015-12-03

Semiconductor laser diode

#82
20150280400
2015-10-01

Directly modulated laser for PON application

#83
20150263488
2015-09-17

Multiwavelength quantum cascade laser via growth of different active and passive cores

#84
20150214695
2015-07-30

Horizontal cavity surface emitting laser device

#85
20150188291
2015-07-02

High density laser optics

#86
20150092799
2015-04-02

Optical semiconductor device and method of fabricating the same

#87
20150085890
2015-03-26

Semiconductor laser device and manufacturing method thereof

#88
20140369369
2014-12-18

Apparatus for output light with wavelength tunable function and method to determine oscillation wavelength of wavelength tunable laser diode

#89
20140328362
2014-11-06

Highly integrable semiconductor device

#90
20140169396
2014-06-19

Semiconductor laser device

#91
20140133512
2014-05-15

Optical semiconductor device

#92
20130243024
2013-09-19

Semiconductor stack and vertical cavity surface emitting laser

#93
20130208067
2013-08-15

Surface emitting laser array and image forming apparatus

#94
20130200492
2013-08-08

Opto-electronic device

#95
20130058371
2013-03-07

Semiconductor optical integrated device

#96
20130044177
2013-02-21

Surface-emitting laser device and surface-emitting laser array including same

#97
20120195339
2012-08-02

Semiconductor laser device and manufacturing method thereof

#98
20120195338
2012-08-02

Semiconductor laser device and manufacturing method thereof

#99
20120147916
2012-06-14

Semiconductor laser device

#100
20120086765
2012-04-12

Surface-emitting laser element, surface-emitting laser array, optical scanning apparatus, image forming apparatus, and method of manufacturing surface-emitting laser element

#101
20110280268
2011-11-17

Laser diode and semiconductor light-emitting device producing visible-wavelength radiation

#102
20110176122
2011-07-21

SURFACE EMITTING LASER ELEMENT, SURFACE EMITTING LASER ARRAY, OPTICAL SCANNING APPARATUS, AND IMAGE FORMING APPARATUS

#103
20110164641
2011-07-07

Optical semiconductor device and pumping light source for optical fiber amplifier

#104
20110150018
2011-06-23

Laser device

#105
20110128343
2011-06-02

Surface-emitting laser element, surface-emitting laser array, optical scanner device, and image forming apparatus

#106
20110116147
2011-05-19

Surface emitting laser device, surface emitting laser array, optical scanning device, and image forming apparatus

#107
20110115872
2011-05-19

Surface-emitting laser element including dielectric film selectively provided to control reflectance in emission region, surface-emitting laser array, optical scanner device, and image forming apparatus

#108
20100329297
2010-12-30

Highly integrable edge emitting active optical device and a process for manufacture of the same

#109
20100328753
2010-12-30

Optical module, integrated semiconductor optical device and manufacturing method thereof

#110
20100322557
2010-12-23

Optical device and method for manufacturing the same

#111
20100316080
2010-12-16

SEMICONDUCTOR OPTICAL ELEMENT

#112
20100288997
2010-11-18

Semiconductor electroluminescent device with a multiple-quantum well layer formed therein

#113
20100232468
2010-09-16

Semiconductor laser device

#114
20100215071
2010-08-26

SEMICONDUCTOR LASER

#115
20100195691
2010-08-05

Laser diode and semiconductor light-emitting device producing visible-wavelength radiation

#116
20100150195
2010-06-17

Surface-emitting laser device and surface-emitting laser array including same

#117
20100102293
2010-04-29

III/V-semiconductor

#118
20100021171
2010-01-28

Monolithically integrated multi-directional transceiver

#119
20090295902
2009-12-03

SURFACE-EMITTING LASER ARRAY, OPTICAL SCANNING DEVICE, AND IMAGE FORMING DEVICE

#120
20090245316
2009-10-01

Multi-wavelength hybrid silicon laser array

#121
20090237780
2009-09-24

Semiconductor optical amplifier, method for manufacturing the same, and semiconductor optical integrated device

#122
20090209055
2009-08-20

Method to fabricate semiconductor optical device

#123
20090092164
2009-04-09

Optical semiconductor device and method of manufacturing same

#124
20090080482
2009-03-26

Gain-coupled distributed feedback semiconductor laser including first-order and second-order gratings

#125
20090001408
2009-01-01

Method for forming a semiconductor light-emitting device

#126
20080212637
2008-09-04

Distributed feedback semiconductor laser including wavelength monitoring section

#127
20080175294
2008-07-24

Semiconductor optical devices, systems and methods of manufacturing the same

#128
20080137703
2008-06-12

Semiconductor optical device and a method of fabricating the same

#129
20080024849
2008-01-31

Optical Scanning apparatus and image forming apparatus

#130
20070286250
2007-12-13

Active layer of laser diode

#131
20070280322
2007-12-06

Surface-emitting laser device and surface-emitting laser array including same

#132
20070241322
2007-10-18

Long Wavelength Induim Arsenide Phosphide (InAsP) Quantum Well Active Region And Method For Producing Same

#133
20070195847
2007-08-23

Semiconductor laser diode and integrated semiconductor optical waveguide device

#134
20070171949
2007-07-26

Laser diode and semiconductor light-emitting device producing visible-wavelength radiation

#135
20070147454
2007-06-28

LIGHT EMITTING DEVICE

#136
20070098031
2007-05-03

Self-mode-locked semiconductor laser

#137
20070053404
2007-03-08

Complex-coupled distributed feedback semiconductor laser

#138
20070012908
2007-01-18

III/V-semiconductor

#139
20070009001
2007-01-11

Semiconductor laser device

#140
20060285566
2006-12-21

Surface-emitting laser diode with tunnel junction and fabrication method

#141
20060268952
2006-11-30

Semiconductor laser

#142
20060215717
2006-09-28

Semiconductor laser device

#143
20060176923
2006-08-10

Semiconductor laser

#144
20060166386
2006-07-27

Optical semiconductor device and its manufacturing method

#145
20060133440
2006-06-22

Optical semiconductor device

#146
20060120421
2006-06-08

Semiconductor laser and manufacturing method thereof

#147
20050281305
2005-12-22

Semiconductor based broad area optical amplifier

#148
20050274941
2005-12-15

Semiconductor quantum well devices and methods of making the same

#149
20050243881
2005-11-03

InAlAs having enhanced oxidation rate grown under very low V/III ratio

#150
20050220392
2005-10-06

Optical integrated device

#151
20050220391
2005-10-06

Optical integrated device

#152
20050185687
2005-08-25

Semiconductor laser element formed on substrate having tilted crystal orientation

#153
20050169334
2005-08-04

Optical semiconductor device having an active layer containing N

#154
20050164420
2005-07-28

Semiconductor laser device with a current non-injection region near a resonator end face, and fabrication method thereof

#155
20050100066
2005-05-12

High temperature laser diode

#156
20050092979
2005-05-05

Single-mode laser diode using strain-compensated multi-quantum-wells and method for manufacturing the same

#157
20050047463
2005-03-03

Semiconductor laser element including optical waveguide layers which have gradually varying bandgaps so as to reduce electrical resistance at interfaces

#158
20050041709
2005-02-24

Wide-stripe single-mode diode-laser

#159
20050041708
2005-02-24

Semiconductor laser device and optical disc drive

#160
20050030996
2005-02-10

Semiconductor laser device and optical disk recording and reproducing apparatus

#161
20050025210
2005-02-03

Semiconductor laser device

#162
16889963
2021-10-19

AlInGaAs/InGaAsP/InP edge emitting semiconductor laser including multiple monolithic laser diodes