ClassID:

216091

H01S5/3086 - CPC Classification

Classification description:

Semiconductor lasers; Structure or shape of the active region; Materials used for the active region characterised by the doping materials used in the laser structure doping of the active layer

Sub-classes:
Recent Application in this class:
#1
20260095026
2026-04-02

HYBRID III-V SILICON OPTICAL DEVICES WITH OXIDE-BASED CURRENT CONFINEMENT

#2
20250318324
2025-10-09

SEMICONDUCTOR DEVICE

#3
20250142912
2025-05-01

SEMICONDUCTOR DEVICE

#4
20240379901
2024-11-14

Light Extraction from Optoelectronic Device

#5
20240339568
2024-10-10

RARE-EARTH-DOPED SEMICONDUCTOR DEVICE AND METHOD FOR PRODUCING THE SAME

#6
20240291241
2024-08-29

SEMICONDUCTOR LASER DEVICE

#7
20220344906
2022-10-27

OPTICAL SEMICONDUCTOR DEVICE AND SEMICONDUCTOR LASER DEVICE

#8
20220231483
2022-07-21

GERMANIUM-ON-SILICON LASER IN CMOS TECHNOLOGY

#9
20220158415
2022-05-19

Semiconductor laser device

#10
20220033992
2022-02-03

METHOD FOR PRODUCING NITRIDE CRYSTAL AND NITRIDE CRYSTAL

#11
20210351570
2021-11-11

Quantum cascade laser device

#12
20210273413
2021-09-02

Surface emitting laser device, light-emitting device including the same and manufacturing method thereof

#13
20210249845
2021-08-12

GERMANIUM-BASED LASER DIODE

#14
20210057886
2021-02-25

Modulation doped semiconductor laser and manufacturing method therefor

#15
20210028328
2021-01-28

Light extraction from optoelectronic device

#16
20200366063
2020-11-19

Method for preparing ER- or ER/O-doped silicon-based luminescent material emitting communication band at room temperature, the luminescent material and ER- or ER/O-SI lasers

#17
20200321440
2020-10-08

Semiconductor device

#18
20200266609
2020-08-20

Germanium-on-silicon laser in CMOS technology

#19
20200235263
2020-07-23

Reducing or eliminating nanopipe defects in III-nitride structures

#20
20200203919
2020-06-25

Monolithic integrated semiconductor random laser

#21
20200185882
2020-06-11

GaN-based VCSEL chip based on porous DBR and manufacturing method of the same

#22
20200109489
2020-04-09

Method for producing nitride crystal and nitride crystal

#23
20200106244
2020-04-02

LIGHT EMITTING DEVICE AND PROJECTOR

#24
20190173262
2019-06-06

Semiconductor laser, electronic apparatus, and method of driving semiconductor laser

#25
20190081207
2019-03-14

Reducing or eliminating nanopipe defects in III-nitride structures

#26
20190044306
2019-02-07

VERTICAL CAVITY SURFACE EMITTING LASER, METHOD FOR FABRICATING VERTICAL CAVITY SURFACE EMITTING LASER

#27
20180331504
2018-11-15

Laser device and methods for manufacturing the same

#28
20180241173
2018-08-23

Integrated circuit implementing a VCSEL array or VCSEL device

#29
20180198256
2018-07-12

Method for high-concentration doping of germanium with phosphorous

#30
20180048123
2018-02-15

Germanium-on-silicon laser in CMOS technology

#31
20170317474
2017-11-02

Electron beam pumped vertical cavity surface emitting laser

#32
20170149214
2017-05-25

Semiconductor device

#33
20170133552
2017-05-11

Semiconductor light-emitting device

#34
20170117438
2017-04-27

Optoelectronic device with a nanowire semiconductor layer

#35
20170117437
2017-04-27

Light extraction from optoelectronic device

#36
20170077675
2017-03-16

Thermal emission source and two-dimensional photonic crystal for use in the same emission source

#37
20170051434
2017-02-23

Method for producing nitride crystal and nitride crystal

#38
20160352075
2016-12-01

SEMICONDUCTOR LASER DEVICE

#39
20160351392
2016-12-01

Semiconductor device

#40
20160308092
2016-10-20

Reducing or eliminating nanopipe defects in III-nitride structures

#41
20160301193
2016-10-13

Semiconductor laser array, semiconductor laser element, semiconductor laser module, and wavelength-variable laser assembly

#42
20160276807
2016-09-22

Monolithic integrated photonics with lateral bipolar and BiCMOS

#43
20160087142
2016-03-24

Semiconductor layer sequence and method of operating an optoelectronic semiconductor chip

#44
20160049771
2016-02-18

Electron beam pumped vertical cavity surface emitting laser

#45
20150364649
2015-12-17

Nitride semiconductor device

#46
20140254620
2014-09-11

High-concentration active doping in semiconductors and semiconductor devices produced by such doping

#47
20140203242
2014-07-24

Nitride semiconductor device

#48
20140187026
2014-07-03

Method of manufacture of an optoelectronic device and an optoelectronic device manufactured using the method

#49
20140072009
2014-03-13

Electron beam pumped vertical cavity surface emitting laser

#50
20130108537
2013-05-02

Method for producing nitride crystal and nitride crystal

#51
20130056707
2013-03-07

Nitride semiconductor device

#52
20120269221
2012-10-25

Interband cascade lasers with engineered carrier densities

#53
20120120478
2012-05-17

ELECTRO-OPTICAL DEVICES BASED ON THE VARIATION IN THE INDEX OR ABSORPTION IN THE ISB TRANSITIONS

#54
20120086015
2012-04-12

Group III nitride semiconductor device and epitaxial substrate

#55
20110223701
2011-09-15

Method of fabricating group III nitride semiconductor device

#56
20110177678
2011-07-21

METHOD FOR MANUFACTURING NITRIDE SEMICONDUCTOR DEVICE

#57
20110176122
2011-07-21

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

#58
20110057200
2011-03-10

Group III nitride semiconductor device and epitaxial substrate

#59
20110042643
2011-02-24

Optoelectronic semiconductor chip having a multiple quantum well structure

#60
20110026556
2011-02-03

Quantum cascade laser

#61
20100290497
2010-11-18

Waveguide device having delta doped active region

#62
20100252811
2010-10-07

Nitride semiconductor device

#63
20100230690
2010-09-16

Group III nitride semiconductor device, epitaxial substrate, and method of fabricating group III nitride semiconductor device

#64
20100111127
2010-05-06

Quantum cascade laser

#65
20090263926
2009-10-22

Optical semiconductor device having active layer of p-type quantum dot structure and its manufacture method

#66
20090103584
2009-04-23

Nitride semiconductor laser device and method of producing the same

#67
20090060410
2009-03-05

STACKED THREE DIMINESIONAL PHOTONIC CRYSTAL, LIGHT EMITTING DEVICE, AND IMAGE DISPLAY APPARATUS

#68
20080308788
2008-12-18

Quantum dot semiconductor device

#69
20080232417
2008-09-25

Semiconductor light emitting device and fabrication method for semiconductor light emitting device

#70
20080157059
2008-07-03

Optical semiconductor device having active layer of p-type quantum dot structure and its manufacture method

#71
20080073716
2008-03-27

Optical semiconductor device having ridge structure formed on active layer containing p-type region and its manufacture method

#72
20080042122
2008-02-21

Semiconductor light emitting element, method of manufacturing the same and semiconductor light emitting device

#73
20080029758
2008-02-07

Nitride semiconductor device

#74
20070284564
2007-12-13

GaN-based semiconductor light-emitting device, light illuminator, image display planar light source device, and liquid crystal display assembly

#75
20070105251
2007-05-10

Method and structure of germanium laser on silicon

#76
20070104238
2007-05-10

Terahertz lasers and amplifiers based on resonant optical phonon scattering to achieve population inversion

#77
20070071054
2007-03-29

Vertical cavity surface emitting semiconductor laser, light emission device, and optical transmission system

#78
20070030874
2007-02-08

Surface-emitting laser element and laser module using the same

#79
20070029542
2007-02-08

Semiconductor optical device

#80
20070012932
2007-01-18

Nitride semiconductor; light-emitting device, light-emitting diode, laser device and lamp using the semiconductor; and production methods thereof

#81
20070008999
2007-01-11

Broadened waveguide for interband cascade lasers

#82
20070001192
2007-01-04

Method of forming a nitride-based semiconductor

#83
20060284192
2006-12-21

Radiation-emitting semi-conductor component

#84
20060222028
2006-10-05

Semiconductor laser and method of fabricating the same

#85
20060220002
2006-10-05

Semiconductor laser having optical guide layer doped for decreasing resistance

#86
20060163585
2006-07-27

Light-emitting semiconductor device and a method of manufacturing it

#87
20060141682
2006-06-29

Method of fabricating semiconductor devices employing at least one modulation doped quantum well structure and one or more etch stop layers for accurate contact formation

#88
20060141651
2006-06-29

Method of fabricating semiconductor devices employing at least one modulation doped quantum well structure and one or more etch stop layers for accurate contact formation

#89
20060131604
2006-06-22

Nitride semiconductor device

#90
20060131558
2006-06-22

Gallium-nitride-based light-emitting apparatus

#91
20060081860
2006-04-20

Group III nitride semiconductor light-emitting element and method of manufacturing the same

#92
20060039431
2006-02-23

Quantum cascade laser device

#93
20060027814
2006-02-09

Semiconductor light-emitting element and method of manufacturing the same

#94
20050238310
2005-10-27

Stacked three dimensional photonic crystal, light emitting device, and image display apparatus

#95
20050238075
2005-10-27

Laser diode having an active layer containing N and operable in a 0.6 μm wavelength

#96
20050156153
2005-07-21

Quantum well structure and semiconductor device using it and production method of semiconductor element

#97
20050145882
2005-07-07

Semiconductor devices employing at least one modulation doped quantum well structure and one or more etch stop layers for accurate contact formation

#98
20050117617
2005-06-02

Circular polarization spin semiconductor laser using magnetic semiconductor and laser beam generating method

#99
20050100074
2005-05-12

Laser apparatus in which GaN-based compound surface-emitting semiconductor element is excited with GaN-based compound semiconductor laser element

#100
20050098789
2005-05-12

Nitride semiconductor device

#101
20050093009
2005-05-05

Semiconductor device and a method for the manufacture thereof

#102
20050063443
2005-03-24

Semiconductor laser device and method for fabricating the same

#103
20050058168
2005-03-17

Terahertz lasers and amplifiers based on resonant optical phonon scattering to achieve population inversion

#104
20050058166
2005-03-17

Metal waveguides for mode confinement in terahertz lasers and amplifiers

#105
20050056864
2005-03-17

Use of deep-level transitions in semiconductor devices

#106
20050018730
2005-01-27

Semiconductor laser array device employing modulation doped quantum well structures