ClassID:

216041

H01S5/2205 - CPC Classification

Classification description:

Semiconductor lasers; Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers having a ridge or stripe structure comprising special burying or current confinement layers

Sub-classes:
Recent Application in this class:
#1
20250343393
2025-11-06

OPTICAL SEMICONDUCTOR DEVICE

#2
20250309616
2025-10-02

Broad-area diode laser comprising integrated p-n tunnel junction

#3
20250279629
2025-09-04

WAVELENGTH-VARIABLE LASER

#4
20250087970
2025-03-13

SEMICONDUCTOR APPARATUS

#5
20240396306
2024-11-28

NITRIDE SEMICONDUCTOR LIGHT-EMITTING ELEMENT

#6
20240388060
2024-11-21

VERTICAL-CAVITY SURFACE-EMITTING LASER

#7
20240380176
2024-11-14

OPTICAL SEMICONDUCTOR ELEMENT, OPTICAL INTEGRATED ELEMENT, AND METHOD FOR MANUFACTURING OPTICAL SEMICONDUCTOR ELEMENT

#8
20240332898
2024-10-03

SEMICONDUCTOR LASER

#9
20240322527
2024-09-26

SEMICONDUCTOR OPTICAL DEVICE

#10
20240291240
2024-08-29

WAVELENGTH-VARIABLE LASER

#11
20240128724
2024-04-18

OPTICAL SEMICONDUCTOR DEVICE AND METHOD FOR PRODUCING SAME

#12
20240120708
2024-04-11

LIGHT-EMITTING BODY, METHOD AND APPARATUS FOR MANUFACTURING LIGHT-EMITTING BODY, LIGHT-EMITTING ELEMENT AND METHOD FOR MANUFACTURING LIGHT-EMITTING ELEMENT, AND ELECTRONIC DEVICE

#13
20230411931
2023-12-21

SEMICONDUCTOR OPTICAL DEVICE WITH A BURIED HETEROSTRUCTURE (BH) HAVING REDUCED PARASITIC CAPACITANCE AND REDUCED INTER-DIFFUSION

#14
20230369826
2023-11-16

Vertical-cavity surface-emitting laser

#15
20230187906
2023-06-15

Wavelength-variable laser

#16
20230155347
2023-05-18

Optical semiconductor device

#17
20230117347
2023-04-20

QUANTUM CASCADE LASER ELEMENT AND QUANTUM CASCADE LASER DEVICE

#18
20220344893
2022-10-27

Semiconductor laser element, method for manufacturing same, and semiconductor laser device

#19
20220255293
2022-08-11

SEMICONDUCTOR LASER DEVICE AND EXTERNAL RESONANCE-TYPE LASER DEVICE

#20
20220115841
2022-04-14

Semiconductor laser with a mode expansion layer

#21
20220115835
2022-04-14

Device for generating laser radiation

#22
20220102940
2022-03-31

Trench process for dense VCSEL design

#23
20220102939
2022-03-31

Directly modulated laser

#24
20210210929
2021-07-08

Wavelength-variable laser

#25
20210184436
2021-06-17

Wavelength-variable laser

#26
20210167581
2021-06-03

Optoelectronic component

#27
20210151953
2021-05-20

Ring laser integrated with silicon-on-insulator waveguide

#28
20210119418
2021-04-22

Method for manufacturing optical semiconductor device

#29
20210013699
2021-01-14

Surface-emmiting laser comprising surface gratings

#30
20210006042
2021-01-07

GROUP-III NITRIDE SEMICONDUCTOR LASER DEVICE

#31
20200388989
2020-12-10

Wavelength tunable laser

#32
20200321751
2020-10-08

NETWORK OF QUANTUM CASCADE LASERS WITH ANTIGUIDING BURIED IN A TYPE IV MATERIAL AND WITH SINGLE-LOBE EMISSION

#33
20200227893
2020-07-16

Optoelectronic component

#34
20200076160
2020-03-05

Light emitter and projector

#35
20200067279
2020-02-27

Wavelength-variable laser

#36
20190252855
2019-08-15

Two-dimensional photonic crystal surface-emitting laser with transparent conductive cladding layer

#37
20190245322
2019-08-08

Nitride semiconductor laser and nitride semiconductor laser device

#38
20190237937
2019-08-01

Surface emitting laser

#39
20190052060
2019-02-14

Optoelectronic component

#40
20180366905
2018-12-20

Vertical-cavity surface-emitting laser with high modulation speed

#41
20180331503
2018-11-15

Wavelength-variable laser

#42
20180226771
2018-08-09

Vertical cavity light emitting element

#43
20180198255
2018-07-12

Surface emitting laser element and optical device

#44
20180183211
2018-06-28

High-efficiency semiconductor laser

#45
20180123317
2018-05-03

Method, system and apparatus for higher order mode suppression

#46
20180109077
2018-04-19

Laser diode and method of manufacturing laser diode

#47
20180019573
2018-01-18

Surface emitting laser

#48
20170358902
2017-12-14

Laser diode and method of manufacturing laser diode

#49
20170324219
2017-11-09

SEMICONDUCTOR LASER INCORPORATING AN ELECTRON BARRIER WITH LOW ALUMINUM CONTENT

#50
20170294761
2017-10-12

LASER DIODE

#51
20170277065
2017-09-28

Light emitting component, print head, and image forming apparatus

#52
20170187168
2017-06-29

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

#53
20170093129
2017-03-30

Semiconductor laser resonator and semiconductor laser device including the same

#54
20170040769
2017-02-09

Quantum cascade laser array

#55
20160315444
2016-10-27

Laser diode chip and flip chip type laser diode package structure

#56
20160197456
2016-07-07

Method of manufacturing semiconductor device

#57
20160164259
2016-06-09

Optical semiconductor device and manufacturing method thereof

#58
20160049770
2016-02-18

Single-mode, distributed feedback interband cascade lasers

#59
20150349495
2015-12-03

Semiconductor optical element, semiconductor laser element, and method for manufacturing semiconductor optical element and semiconductor laser element, and method for manufacturing semiconductor laser module and semiconductor element

#60
20150311676
2015-10-29

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

#61
20150295387
2015-10-15

Laser diode

#62
20150288145
2015-10-08

VERTICAL-CAVITY SURFACE-EMITTING LASERS WITH NON-PERIODIC GRATINGS

#63
20150255956
2015-09-10

Semiconductor laser with improved current conduction

#64
20150236478
2015-08-20

Photonic device structure and fabrication method thereof

#65
20150188280
2015-07-02

Metal-insulator-metal waveguide for nano-lasers and optical amplifiers

#66
20150103858
2015-04-16

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

#67
20150063392
2015-03-05

Semiconductor light-emitting element

#68
20150063391
2015-03-05

Optical semiconductor device and method for manufacturing the same

#69
20140133508
2014-05-15

Photonic device structure and fabrication method thereof

#70
20140078580
2014-03-20

Optical amplifier device

#71
20130070798
2013-03-21

SEMICONDUCTOR LASER AND METHOD OF MANUFACTURING THE SAME

#72
20120263206
2012-10-18

Surface-emission laser diode and fabrication process thereof

#73
20120189317
2012-07-26

Hybrid III-V silicon laser formed by direct bonding

#74
20120114000
2012-05-10

Method of manufacturing semiconductor optical device, method of manufacturing semiconductor optical laser element, and semiconductor optical device

#75
20120099614
2012-04-26

SEMICONDUCTOR LASER DEVICE AND MANUFACTURING METHOD THEREOF

#76
20120008657
2012-01-12

Laser diode

#77
20110306185
2011-12-15

Method for forming laminated resin film and method for producing semiconductor device

#78
20110306155
2011-12-15

Method for producing semiconductor optical device

#79
20110243169
2011-10-06

Edge emitting semiconductor laser chip

#80
20110080932
2011-04-07

Laser diode and laser diode device

#81
20100308445
2010-12-09

Semiconductor device and method of manufacturing semiconductor device

#82
20100284434
2010-11-11

EDGE EMITTING SEMICONDUCTOR LASER CHIP HAVING AT LEAST ONE CURRENT BARRIER

#83
20100278203
2010-11-04

Radiation-emitting semiconductor chip

#84
20100195687
2010-08-05

Semiconductor laser device

#85
20100193833
2010-08-05

Nitride-Based Semiconductor Device, Light Apparatus, and Method of Manufacturing Nitride-Based Semiconductor Device

#86
20100118907
2010-05-13

Surface-emission laser diode and fabrication process thereof

#87
20090059983
2009-03-05

Nitride semiconductor light-emitting device

#88
20090046753
2009-02-19

Diode lasers type of devices with good coupling between field distribution and gain

#89
20080212636
2008-09-04

Surface-emission laser diode and fabrication process thereof

#90
20080135982
2008-06-12

Semiconductor devices including mesa structures and multiple passivation layers

#91
20080089374
2008-04-17

Semiconductor laser

#92
20080049806
2008-02-28

Nitride semiconductor laser and method for fabricating the same

#93
20080014662
2008-01-17

Semiconductor light emitting apparatus and method of fabricating the same

#94
20070223857
2007-09-27

Optical semiconductor device and optical semiconductor integrated circuit

#95
20070223856
2007-09-27

Optical semiconductor device and optical semiconductor integrated circuit

#96
20070217458
2007-09-20

Nitride semiconductor laser element

#97
20070205421
2007-09-06

Semiconductor optical devices having fin structures

#98
20070189344
2007-08-16

Modulator-integrated light source and its manufacturing method

#99
20070170442
2007-07-26

Nitride-based semiconductor light-emitting device and method of fabricating the same

#100
20070126076
2007-06-07

Semiconductor optical devices and method for forming

#101
20070064758
2007-03-22

Laser diode and laser diode device

#102
20070015313
2007-01-18

Submount of semiconductor laser diode, method of manufacturing the same, and semiconductor laser diode assembly using the submount

#103
20070012929
2007-01-18

Nitride-based semiconductor light-emitting device and method of fabricating the same

#104
20070007544
2007-01-11

Semiconductor devices having self aligned semiconductor mesas and contact layers

#105
20060249738
2006-11-09

Surface-emitting semiconductor laser comprising a structured waveguide

#106
20060219996
2006-10-05

Optical semiconductor device and fabrication method thereof

#107
20060209395
2006-09-21

Semiconductor laser and method for manufacturing the same

#108
20060172449
2006-08-03

Method for manufacturing semiconductor laser diode

#109
20060166478
2006-07-27

Nitride semiconductor laser and method for fabricating the same

#110
20060120428
2006-06-08

Distributed feedback (DFB) semiconductor laser and fabrication method thereof

#111
20060078025
2006-04-13

Ridge waveguide semiconductor laser and method of manufacturing the same

#112
20060050752
2006-03-09

Optical semiconductor device and optical semiconductor integrated circuit

#113
20060039428
2006-02-23

Semiconductor laser device and manufacturing method therefor

#114
20060018353
2006-01-26

Nitride-based semiconductor light-emitting device and method of fabricating the same

#115
20050281299
2005-12-22

Semiconductor laser element and method of manufacturing the same

#116
20050277211
2005-12-15

Semiconductor optical devices and method for forming

#117
20050275053
2005-12-15

Optical module device driven by a single power supply

#118
20050269584
2005-12-08

Nitride semiconductor light-emitting device

#119
20050243880
2005-11-03

Dual wavelength semiconductor laser emitting apparatus and manufacturing method thereof

#120
20050232329
2005-10-20

DFB laser with a distributed reflector and photonic band gap

#121
20050169571
2005-08-04

Optical element array, optical module, and optical transmission device

#122
20050088728
2005-04-28

Semiconductor optical amplifier and method for manufacturing the same, and optical communication device

#123
20050087734
2005-04-28

Semiconductor light emitting apparatus and method of fabricating the same

#124
20050078724
2005-04-14

Single mode distributed feedback lasers

#125
20050069006
2005-03-31

Monolithic multi-wavelength laser device including a plurality of lasing parts and method of fabricating the same

#126
20050041710
2005-02-24

Semiconductor laser and method for manufacturing the same

#127
20050040407
2005-02-24

Semiconductor light emitting device

#128
20050018728
2005-01-27

Semiconductor laser device and method of producing the same

#129
20050002428
2005-01-06

Submount of semiconductor laser diode, method of manufacturing the same, and semiconductor laser diode assembly using the submount

#130
19057911
2025-10-28

Semiconductor waveguide optical gain device with lateral current confinement or optical mode shaping

#131
19057892
2025-09-30

Semiconductor waveguide optical gain device with optical mode shaping

#132
19057875
2026-03-31

Semiconductor waveguide optical gain device with lateral current confinement

#133
19056941
2025-07-08

Semiconductor waveguide optical gain device with optical mode shaping

#134
18957531
2025-07-08

Semiconductor waveguide optical gain device with lateral current confinement

#135
16008223
2019-07-02

Electronically pumped surface-emitting photonic crystal laser

#136
13890431
2015-02-24

Magnesium based gettering regions for gallium and nitrogen containing laser diode devices