H01S5/20 - CPC Classification Index

ClassID:

216015 ⎘

H01S5/20 - 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

Sub-classes:

H01S5/2004 » {Confining in the direction perpendicular to the layer structure} 164
H01S5/2036 » {Broad area laserse} 112
H01S5/204 » {Strongly index guided structures} 32
H01S5/205 » {Antiguided structures} 18
H01S5/2054 » {Methods of obtaining the confinement} 42
H01S5/22 » having a ridge or stripe structure 1,4K
H01S5/24 » having a grooved structure, e.g. V-grooved, {crescent active layer in groove, VSIS laser} 40

Recent Application in this class:

20250309614

2025-10-02

CONTINUOUS-WAVE PEROVSKITE POLARITON LASER DEVICE AND A LASER CHIP

20250125587

2025-04-17

LASER WITH EDGE COUPLER DISPLACED FROM SUBSTRATE

20240395966

2024-11-28

LIGHT-EMITTERS WITH GROUP III-NITRIDE-BASED QUANTUM WELL ACTIVE REGIONS HAVING GAN INTERLAYERS

20240291239

2024-08-29

HIGH POWER HETEROGENEOUS LASERS

20240047943

2024-02-08

SEMICONDUCTOR LASER ELEMENT

20240030683

2024-01-25

SEMICONDUCTOR LASER ELEMENT, SEMICONDUCTOR LASER DEVICE, SEMICONDUCTOR LASER DEVICE MANUFACTURING METHOD, AND GAS ANALYSIS DEVICE

20230163571

2023-05-25

Quantum cascade laser with high efficiency operation and related systems and methods

20230111268

2023-04-13

LASER ELEMENT

20230036048

2023-02-02

Tunable hybrid III-V/IV laser sensor system-on-a chip for real-time monitoring of a blood constituent concentration level

#10

20230023686

2023-01-26

DESIGNS FOR LATERAL CURRENT CONTROL IN OPTICAL AMPLIFIERS AND LASERS

#11

20230011972

2023-01-12

CONFINING FEATURES FOR MODE SHAPING OF LASERS AND COUPLING WITH SILICON PHOTONIC COMPONENTS

#12

20220247154

2022-08-04

Edge emitting laser device

#13

20220247148

2022-08-04

Confining features for mode shaping of lasers and coupling with silicon photonic components

#14

20220181849

2022-06-09

Laser with hexagonal semiconductor microdisk

#15

20220013987

2022-01-13

Semiconductor laser element

#16

20210353183

2021-11-18

Tunable hybrid III-V/IV laser sensor system-on-a-chip for real-time monitoring of a blood constituent concentration level

#17

20210305767

2021-09-30

Systems and methods for designing optical devices having mode selective facets

#18

20210184434

2021-06-17

LIGHT-EMITTING DEVICE

#19

20210021103

2021-01-21

Quantum cascade laser with high efficiency operation and related systems and methods

#20

20210006033

2021-01-07

Semiconductor laser

#21

20200069225

2020-03-05

Tunable hybrid III-V/ IV laser sensor system-on-a chip for real-time monitoring of a blood constituent concentration level

#22

20190273358

2019-09-05

Narrow-linewidth laser

#23

20190199066

2019-06-27

Quantum cascade laser with high efficiency operation and related systems and methods

#24

20190181616

2019-06-13

OPTICAL DEVICE AND METHOD FOR MANUFACTURING OPTICAL DEVICE

#25

20190131773

2019-05-02

Edge-emitting semiconductor laser and method for operating a semiconductor laser

#26

20190131770

2019-05-02

Semiconductor laser device, semiconductor laser module, and laser light source system for welding

#27

20190058303

2019-02-21

Light emitting device

#28

20180205200

2018-07-19

Distributed Bragg reflector tunable laser diode

#29

20180138522

2018-05-17

LASER ABLATION OF WAVELENGTH TRANSPARENT MATERIAL WITH MATERIAL MODIFICATION

#30

20180109070

2018-04-19

Edge-emitting etched-facet lasers

#31

20180090907

2018-03-29

Edge-emitting etched-facet lasers

#32

20180041006

2018-02-08

Modulated laser source and methods of its fabrication and operation

#33

20180019575

2018-01-18

Side-view light emitting laser element

#34

20180006433

2018-01-04

LASER CHIP WITH MULTIPLE OUTPUTS ON COMMON SIDE

#35

20170365982

2017-12-21

Edge-emitting semiconductor laser and method for operating a semiconductor laser

#36

20170353009

2017-12-07

Quantum cascade laser integrated device

#37

20170070032

2017-03-09

Waveguide structure for mid-IR multiwavelength concatenated distributed-feedback laser with an active core made of cascaded stages

#38

20170059887

2017-03-02

Optical modulator having reflection layers

#39

20170040769

2017-02-09

Quantum cascade laser array

#40

20170005234

2017-01-05

Optoelectronic component and method of producing an optoelectronic component

#41

20160365705

2016-12-15

Semiconductor nano/microlaser tuning by strain engineering

#42

20160322787

2016-11-03

Optical semiconductor element and method of manufacturing the same

#43

20160156154

2016-06-02

Semiconductor optical element and surface-emitting semiconductor optical element

#44

20150280400

2015-10-01

Directly modulated laser for PON application

#45

20150263487

2015-09-17

Semiconductor laser light source

#46

20150236478

2015-08-20

Photonic device structure and fabrication method thereof

#47

20150222091

2015-08-06

Semiconductor laser array

#48

20150200332

2015-07-16

Semiconductor light emitting device

#49

20150123695

2015-05-07

Edge-emitting etched-facet lasers

#50

20150110145

2015-04-23

Semiconductor laser with cathode metal layer disposed in trench region

#51

20150010036

2015-01-08

OPTICAL AMPLIFIER SYSTEM AND PULSED LASER USING A REDUCED AMOUNT OF ENERGY PER PULSE

#52

20140314113

2014-10-23

SEMICONDUCTOR LASER WITH VARIED-WIDTH WAVEGUIDE AND SEMICONDUCTOR LASER MODULE INCLUDING THE SAME

#53

20140302628

2014-10-09

Optical semiconductor device and method of manufacturing optical semiconductor device

#54

20140247850

2014-09-04

Multiquantum well structures for suppression of electron leakage and reduction of threshold-current density in quantum cascade lasers

#55

20140226684

2014-08-14

Waveguide-coupled vertical cavity laser

#56

20140219305

2014-08-07

Semiconductor lasers and etched-facet integrated devices having H-shaped windows

#57

20140219303

2014-08-07

Semiconductor light emitting device

#58

20140211821

2014-07-31

Edge-emitting semiconductor laser

#59

20140133508

2014-05-15

Photonic device structure and fabrication method thereof

#60

20130322477

2013-12-05

Optical device, method of manufacturing the same, and laser module

#61

20130308959

2013-11-21

Directly modulated laser for PON applications

#62

20130308178

2013-11-21

Co-modulation of DBR laser and integrated optical amplifier

#63

20130284710

2013-10-31

Method and Apparatus for the Line Narrowing of Diode Lasers

#64

20130240737

2013-09-19

Waveguide structure for mid-IR multiwavelength concatenated distributed-feedback laser with an active core made of cascaded stages

#65

20130223462

2013-08-29

Semiconductor laser with cathode metal layer disposed in trench region

#66

20130208748

2013-08-15

Laser diode with high efficiency

#67

20130156059

2013-06-20

Edge-emitting etched-facet lasers

#68

20120326178

2012-12-27

Optoelectronic component and method for producing an optoelectronic component

#69

20120287957

2012-11-15

Broad area diode laser with high efficiency and small far-field divergence

#70

20120263205

2012-10-18

Edge-emitting semiconductor laser

#71

20120163405

2012-06-28

LOW CHIRP COHERENT LIGHT SOURCE

#72

20120107968

2012-05-03

Group-III nitride semiconductor laser device, method of fabricating group-III nitride semiconductor laser device, and method of estimating damage from formation of scribe groove

#73

20110261855

2011-10-27

Optical semiconductor device and method of manufacturing optical semiconductor device

#74

20110243173

2011-10-06

MQW laser structure comprising plural MQW regions

#75

20110211608

2011-09-01

Semiconductor laser element

#76

20110206082

2011-08-25

Semiconductor laser with varied-width waveguide and semiconductor laser module including the same

#77

20110164638

2011-07-07

Group-III nitride semiconductor laser device, method of fabricating group-III nitride semiconductor laser device, and method of estimating damage from formation of scribe groove

#78

20110134957

2011-06-09

Low Chirp Coherent Light Source

#79

20110103422

2011-05-05

Laser-induced optical wiring apparatus

#80

20110090926

2011-04-21

Laser device

#81

20110032965

2011-02-10

Optimization of laser bar orientation for nonpolar and semipolar (Ga,Al,In,B)N diode lasers

#82

20100278204

2010-11-04

Edge-emitting semiconductor laser with photonic-bandgap structure formed by intermixing

#83

20100265979

2010-10-21

Horizontal emitting, vertical emitting, beam shaped, distributed feedback (DFB) lasers fabricated by growth over a patterned substrate with multiple overgrowth

#84

20100260225

2010-10-14

Semiconductor laser

#85

20100232457

2010-09-16

Laser device

#86

20100220761

2010-09-02

Gallium nitride-based semiconductor optical device, method of fabricating gallium nitride-based semiconductor optical device, and epitaxial wafer

#87

20100189149

2010-07-29

Wavelength stabilized multi-transverse optical mode laser diodes

#88

20100150193

2010-06-17

MQW laser structure comprising plural MQW regions

#89

20100142575

2010-06-10

Edge-emitting semiconductor laser with photonic-bandgap structure formed by intermixing

#90

20100118904

2010-05-13

Semiconductor laser device

#91

20100111126

2010-05-06

SEMICONDUCTOR LASERS

#92

20100020837

2010-01-28

SEMICONDUCTOR LIGHT EMISSION DEVICE HAVING AN IMPROVED CURRENT CONFINEMENT STRUCTURE, AND METHOD FOR CONFINING CURRENT IN A SEMICONDUCTOR LIGHT EMISSION DEVICE

#93

20090321782

2009-12-31

Apparatus and method for nanowire optical emission

#94

20090232169

2009-09-17

Wavelength converting laser device

#95

20090147815

2009-06-11

Edge emitting semiconductor laser comprising a waveguide

#96

20090129418

2009-05-21

Semiconductor laser device and method of manufacturing the same

#97

20090127570

2009-05-21

Double wavelength semiconductor light emitting device and method of manufacturing the same

#98

20090122824

2009-05-14

SEMICONDUCTOR LASER APPARATUS

#99

20090080480

2009-03-26

Laser-induced optical wiring apparatus

#100

20090075150

2009-03-19

Material for solid polyelectrolyte suitable for use in fuel cell

#101

20090074026

2009-03-19

Structure having photonic crystal and surface-emitting laser

#102

20090016396

2009-01-15

Structure of high power edge emission laser diode

#103

20080304529

2008-12-11

Semiconductor laser device

#104

20080240189

2008-10-02

Semiconductor laser

#105

20080212632

2008-09-04

Integrated tapered diode laser arrangement and method for producing it

#106

20080198881

2008-08-21

Optimization of laser bar orientation for nonpolar and semipolar (Ga,Al,In,B)N diode lasers

#107

20080159350

2008-07-03

Semiconductor laser device

#108

20080123697

2008-05-29

High power semiconductor laser diode

#109

20080112451

2008-05-15

Semiconductor laser diode with narrow lateral beam divergence

#110

20080112450

2008-05-15

Homogeneous-Beam Temperature-Stable Semiconductor Laser and Method of Production

#111

20080112449

2008-05-15

Semiconductor laser device

#112

20080089375

2008-04-17

Semiconductor laser diode

#113

20080014672

2008-01-17

Semiconductor laser device, semiconductor laser system, optical pickup module and manufacturing for semiconductor laser system

#114

20070268949

2007-11-22

Semiconductor laser

#115

20070263688

2007-11-15

Semiconductor laser with side mode suppression

#116

20070258681

2007-11-08

Optical waveguide device and semiconductor device

#117

20070258497

2007-11-08

Semiconductor laser diode with a plurality of optical guiding layers

#118

20070195844

2007-08-23

High power semiconductor laser device

#119

20070177645

2007-08-02

Semiconductor laser device

#120

20070172185

2007-07-26

Optical waveguide with mode shape for high efficiency modulation

#121

20070171948

2007-07-26

Semiconductor laser having an improved stacked structure

#122

20070153864

2007-07-05

Lasers and methods associated with the same

#123

20070153854

2007-07-05

Semiconductor laser device

#124

20070125995

2007-06-07

Horizontal emitting, vertical emitting, beam shaped, distributed feedback (DFB) lasers fabricated by growth over a patterned substrate with multiple overgrowth

#125