ClassID:

216021

H01S5/2027 - 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; Confining in the direction perpendicular to the layer structure; Optical confinement, e.g. absorbing-, reflecting- or waveguide-layers Reflecting region or layer, parallel to the active layer, e.g. to modify propagation of the mode in the laser or to influence transverse modes

Recent Application in this class:
#1
20260039088
2026-02-05

REFRACTIVE INDEX ENGINEERING FOR BRIGHTNESS ENHANCEMENT AND KINK SUPPRESSION IN OPTICAL EMITTING DEVICES

#2
20250372954
2025-12-04

SEMICONDUCTOR OPTICAL GAIN DEVICE AND OPTICAL SEMICONDUCTOR APPARATUS

#3
20250357728
2025-11-20

SEMICONDUCTOR LASER PUMPED SOLID STATE LASER

#4
20250062594
2025-02-20

SEMICONDUCTOR LASER AND METHOD FOR PRODUCING A SEMICONDUCTOR LASER

#5
20250055259
2025-02-13

SURFACE-EMITTING LASER ELEMENT

#6
20240204483
2024-06-20

SYSTEM COMPRISING A LIGHT SOURCE ON A SUBSTRATE WITH A HIGH OPTICAL INDEX AND ASSOCIATED METHOD

#7
20240170923
2024-05-23

RADIATION EMITTER AND METHOD OF FABRICATION A RADIATION EMITTER

#8
20240097403
2024-03-21

LASER DEVICE

#9
20240006845
2024-01-04

Semiconductor integrated circuit and methodology for making same

#10
20230402822
2023-12-14

MANUFACTURING METHOD OF SEMICONDUCTOR DEVICE

#11
20230361530
2023-11-09

TWO-DIMENSIONAL PHOTONIC-CRYSTAL LASER

#12
20230327403
2023-10-12

INTEGRATED REDUCED-COHERENCE-LENGTH LASER

#13
20230275396
2023-08-31

BACK-PUMPED SEMICONDUCTOR MEMBRANE LASER

#14
20230132522
2023-05-04

LAYERED STRUCTURE

#15
20230126297
2023-04-27

SEMICONDUCTOR LASER AND LIDAR SYSTEM COMPRISING THE SEMICONDUCTOR LASER

#16
20230079029
2023-03-16

OPTICAL SEMICONDUCTOR DEVICE, OPTICAL UNIT, AND METHOD FOR MANUFACTURING OPTICAL UNIT

#17
20220344549
2022-10-27

LIGHT-EMITTING DEVICE, WAVELENGTH CONVERSION UNIT, AND HEADLIGHT OR DISPLAY APPARATUS

#18
20220294186
2022-09-15

LASER DEVICE

#19
20220239067
2022-07-28

Techniques for vertical cavity surface emitting laser oxidation

#20
20220200241
2022-06-23

Edge-emitting semiconductor laser diode and method for producing a plurality of edge-emitting semiconductor laser diodes

#21
20220059993
2022-02-24

Semiconductor integrated circuit and methodology for making same

#22
20220045481
2022-02-10

Semiconductor optical element

#23
20210305767
2021-09-30

Systems and methods for designing optical devices having mode selective facets

#24
20210273411
2021-09-02

Light-emitting device

#25
20210111539
2021-04-15

DILUTE NITRIDE BASED LASERS, PHOTODETECTORS, AND SENSING SYSTEMS

#26
20210083456
2021-03-18

Photonic circuit with hybrid III-V on silicon active section with inverted silicon taper

#27
20210028601
2021-01-28

Techniques for vertical cavity surface emitting laser oxidation

#28
20200274326
2020-08-27

Devices to generate light

#29
20200119526
2020-04-16

Optoelectronic component comprising a laser diode

#30
20200076162
2020-03-05

Techniques for vertical cavity surface emitting laser oxidation

#31
20190319429
2019-10-17

Micropillar optoelectronic device

#32
20190267775
2019-08-29

Light-emitting device, method for manufacturing same, and projector

#33
20190221994
2019-07-18

Surface coupled systems

#34
20190011361
2019-01-10

Fluid analyzer

#35
20180366908
2018-12-20

Edge-emitting laser having small vertical emitting angle

#36
20180234584
2018-08-16

Light-emitting component, light-emitting device, and image forming apparatus

#37
20180234583
2018-08-16

Light-emitting component having light-absorbing layer, light-emitting device, and image forming apparatus

#38
20180233534
2018-08-16

Layered structure including thyristor and light-emitting element, light-emitting component, light-emitting device, and image forming apparatus

#39
20180226770
2018-08-09

Method of manufacturing light emitting device

#40
20170346256
2017-11-30

Edge-emitting semiconductor laser

#41
20170237233
2017-08-17

Vertical microcavity with confinement region having sub-wavelength structures to create an effective refractive index variation

#42
20170222400
2017-08-03

Optoelectronic integrated circuit

#43
20170221995
2017-08-03

Split-electrode vertical cavity optical device

#44
20170179684
2017-06-22

Dual wavelength hybrid device

#45
20170179680
2017-06-22

Surface coupled systems

#46
20170141541
2017-05-18

Laser device and process for fabricating such a laser device

#47
20170104313
2017-04-13

Vertical microcavity with confinement region having sub-wavelength structures to create an effective refractive index variation

#48
20170098922
2017-04-06

Semiconductor light emitting device and optical transceiver

#49
20170093129
2017-03-30

Semiconductor laser resonator and semiconductor laser device including the same

#50
20160315449
2016-10-27

Electron beam pumping for light emission

#51
20160266320
2016-09-15

Optical reflector based on a directional coupler and a coupled optical loop

#52
20160116821
2016-04-28

Optical reflector based on a directional coupler and a coupled optical loop

#53
20160111858
2016-04-21

Hybrid laser including anti-resonant waveguides

#54
20160099549
2016-04-07

Surface-emitting semiconductor laser device and method for producing the same

#55
20160094013
2016-03-31

Semiconductor laser diode with integrated heating region

#56
20150378093
2015-12-31

Reflection/absorption coating for laser slabs

#57
20150333481
2015-11-19

Hybrid waveguide lasers and methods for fabricating hybrid waveguide lasers

#58
20150214425
2015-07-30

Optoelectronic integrated circuit

#59
20140301420
2014-10-09

Semiconductor laser

#60
20140294028
2014-10-02

Semiconductor laser device

#61
20130322890
2013-12-05

Hybrid laser including anti-resonant waveguides

#62
20130064262
2013-03-14

Ultrashort pulse microchip laser, semiconductor laser, and pump method for thin laser media

#63
20130039376
2013-02-14

Optoelectronic semiconductor chip

#64
20120252146
2012-10-04

Photonic quantum ring laser and fabrication method thereof

#65
20120225484
2012-09-06

Human placental collagen compositions, and methods of making and using the same

#66
20120213242
2012-08-23

SEMICONDUCTOR LASER DEVICE

#67
20120201262
2012-08-09

Edge-emitting semiconductor laser

#68
20120105932
2012-05-03

Optoelectronic device with controlled temperature dependence of the emission wavelength and method of making same

#69
20120063481
2012-03-15

Photonic-crystal surface emitting laser, laser array using the laser, and image forming apparatus using the laser array

#70
20110306755
2011-12-15

Human placental collagen compositions and methods of making and using the same

#71
20110176204
2011-07-21

Photo-pumped semiconductor optical amplifier

#72
20110158280
2011-06-30

Photonic crystal surface emitting laser

#73
20110150020
2011-06-23

II-VI MQW VSEL on a heat sink optically pumped by a GaN LD

#74
20110051768
2011-03-03

Semiconductor light emitting devices with non-epitaxial upper cladding

#75
20110007764
2011-01-13

Optoelectronic device and method of making same

#76
20100315478
2010-12-16

Semiconductor laser diode, printhead including the diode, and image forming apparatus including the diode

#77
20100303117
2010-12-02

Surface emitting laser

#78
20100265977
2010-10-21

PHOTONIC QUANTUM RING LASER AND FABRICATION METHOD THEREOF

#79
20100220763
2010-09-02

Surface emitting laser array

#80
20100219419
2010-09-02

SEMICONDUCTOR ELEMENT AND METHOD FOR MANUFACTURING THE SAME

#81
20100166034
2010-07-01

Surface emitting laser

#82
20100135348
2010-06-03

Semiconductor optoelectronic device with improved beam quality

#83
20100092124
2010-04-15

Resonant leaky-mode photonic elements and methods for spectral and polarization control

#84
20100074292
2010-03-25

Semiconductor light emitting devices with non-epitaxial upper cladding

#85
20100014548
2010-01-21

Surface emitting laser

#86
20090296754
2009-12-03

Optoelectric device for high-speed data transfer with electrooptically tunable stopband edge of a bragg-reflector

#87
20090285255
2009-11-19

Two-dimensional photonic crystal surface emitting laser light source

#88
20090219967
2009-09-03

Semiconductor optical device

#89
20090201960
2009-08-13

Three-dimensional photonic crystal light emitting device

#90
20090201958
2009-08-13

Lateral optically pumped surface-emitting semiconductor laser on a heat sink

#91
20090185589
2009-07-23

Semiconductor light-emitting device

#92
20090147812
2009-06-11

Heterostructure, injector laser, semiconductor amplifying element and a semiconductor optical amplifier a final stage

#93
20090052491
2009-02-26

Organic laser apparatus

#94
20090046753
2009-02-19

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

#95
20090003399
2009-01-01

Integrated circuit employing low loss spot-size converter

#96
20080240193
2008-10-02

Two-dimensional photonic crystal surface emitting laser

#97
20080192779
2008-08-14

Surface emitting laser including a metal film having a periodic fine structure

#98
20080181935
2008-07-31

Human placental collagen compositions, and methods of making and using the same

#99
20080128722
2008-06-05

Fabrication of semiconductor devices

#100
20080102546
2008-05-01

Method of manufacturing semiconductor laser device including light shield plate

#101
20080101422
2008-05-01

Semiconductor laser device including a light shield plate, semiconductor laser device package, and methods of manufacturing the same

#102
20080080808
2008-04-03

Integrated vertical wavelength (de)multiplexer

#103
20080069173
2008-03-20

External cavity optoelectronic device

#104
20080069166
2008-03-20

Vertical-cavity surface-emitting laser

#105
20070291808
2007-12-20

Electrooptically Bragg-reflector stopband-tunable optoelectronic device for high-speed data transfer

#106
20070291805
2007-12-20

Optoelectronic device and method of making same

#107
20070290191
2007-12-20

Resonant cavity optoelectronic device with suppressed parasitic modes

#108
20070263688
2007-11-15

Semiconductor laser with side mode suppression

#109
20070126119
2007-06-07

Semiconductor element, production process thereof, semiconductor laser and production process thereof

#110
20070013991
2007-01-18

Photonic crystal semiconductor device and production method thereof

#111
20060239311
2006-10-26

Semiconductor laser device, optical disk apparatus and optical integrated unit

#112
20060171440
2006-08-03

Apparatus for generating improved laser beam

#113
20060147148
2006-07-06

Method and apparatus for pixel display and SERS analysis

#114
20060081867
2006-04-20

Reflective electrode and compound semiconductor light emitting device including the same

#115
20060062267
2006-03-23

Semiconductor laser array and manufacturing method for semiconductor laser array

#116
20060050364
2006-03-09

Tunable segmented distributed bragg reflector for linear optical amplifier

#117
20060038185
2006-02-23

Light emitting device and light emitting device module

#118
20060024013
2006-02-02

Resonant leaky-mode optical devices and associated methods

#119
20060002441
2006-01-05

Semiconductor laser with side mode suppression

#120
20060001953
2006-01-05

Linear optical amplifier using coupled waveguide induced feedback

#121
20050286595
2005-12-29

Optimizing mirror reflectivity for reducing spontaneous emissions in photodiodes

#122
20050286594
2005-12-29

Mirrors for reducing the effects of spontaneous emissions in photodiodes

#123
20050286593
2005-12-29

Light emitting device with an integrated monitor photodiode

#124
20050286589
2005-12-29

Vertical cavity surface emitting laser optimized for optical sensitivity

#125
20050286584
2005-12-29

Optical apertures for reducing spontaneous emissions in photodiodes

#126
20050286583
2005-12-29

Absorbing layers for reduced spontaneous emission effects in an integrated photodiode

#127
20050276296
2005-12-15

Tilted cavity semiconductor device and method of making same

#128
20050271092
2005-12-08

Electrooptically wavelength-tunable resonant cavity optoelectronic device for high-speed data transfer

#129
20050226294
2005-10-13

Optoelectronic device based on an antiwaveguiding cavity

#130
20050117623
2005-06-02

Optoelectronic device incorporating an interference filter

#131
20050104075
2005-05-19

Feedback and coupling structures and methods

#132
20050047458
2005-03-03

Organic laser apparatus

#133
20050040410
2005-02-24

Tilted cavity semiconductor optoelectronic device and method of making same

#134
20050024717
2005-02-03

Clock recovery based on VLSOA power monitoring

#135
15624934
2018-07-03

Edge-emitting laser having small vertical emitting angle

#136
15466323
2018-04-10

Hybrid III-V on silicon laser device with transverse mode filter