ClassID:

215959

H01S5/1231 - CPC Classification

Classification description:

Semiconductor lasers; Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers Grating growth or overgrowth details

Recent Application in this class:
#1
20250233388
2025-07-17

VERTICALLY INTEGRATED ELECTRO-ABSORPTION MODULATED LASERS AND METHODS OF FABRICATION

#2
20250233387
2025-07-17

VERTICALLY INTEGRATED ELECTRO-ABSORPTION MODULATED LASERS AND METHODS OF FABRICATION

#3
20250047071
2025-02-06

Apparatus for facial recognition

#4
20250047068
2025-02-06

DISTRIBUTED FEEDBACK LASERS AND METHODS FOR FABRICATING SUCH LASERS

#5
20240332911
2024-10-03

SEMICONDUCTOR LASER ELEMENT

#6
20240113504
2024-04-04

EXTENDED-CAVITY DIODE LASER COMPONENT AND METHOD FOR PRODUCING SAME

#7
20230361532
2023-11-09

SILICON PHOTONIC HYBRID DISTRIBUTED FEEDBACK LASER WITH BUILT-IN GRATING

#8
20230335973
2023-10-19

SEMICONDUCTOR LASER ELEMENT

#9
20230291179
2023-09-14

DFB LASER MANUFACTURING METHOD BASED ON DIELECTRIC LATERALLY COUPLED GRATING WITH DETERMINISTIC GRATING COUPLING COEFFICIENT

#10
20230291178
2023-09-14

LASER STRUCTURE AND METHOD FOR FABRICATING LASER STRUCTURE

#11
20230283050
2023-09-07

Continuous-wave organic thin-film distributed feedback laser and electrically driven organic semiconductor laser diode

#12
20230131797
2023-04-27

Quantum cascade laser system with angled active region

#13
20220320828
2022-10-06

METHOD FOR PRODUCING LAMINATE, LAMINATE, LIGHT-EMITTING DEVICE AND LASER DEVICE

#14
20220311218
2022-09-29

Continuous-wave organic thin-film distributed feedback laser and electrically driven organic semiconductor laser diode

#15
20220239066
2022-07-28

Method for manufacturing optical semiconductor waveguide window structure

#16
20220200238
2022-06-23

LASER COMPRISING A DISTRIBUTED BRAGG MIRROR AND PRODUCTION METHOD

#17
20220190550
2022-06-16

Vertically integrated electro-absorption modulated lasers and methods of fabrication

#18
20220181850
2022-06-09

Method of making a distributed Bragg mirror

#19
20220166190
2022-05-26

HIGH-POWER SEMICONDUCTOR CHIP AND PREPARATION METHOD THEREFOR

#20
20220006257
2022-01-06

Semiconductor optical device and optical transceiver module

#21
20210344170
2021-11-04

Integrated laser detector

#22
20210126432
2021-04-29

Method of manufacturing semiconductor device

#23
20210036488
2021-02-04

Hybrid laser source comprising an integrated waveguide containing an intermediate Bragg grating

#24
20200395736
2020-12-17

Quantum cascade laser system with angled active region

#25
20200127439
2020-04-23

Optical semiconductor device and manufacturing method thereof

#26
20200044417
2020-02-06

Semiconductor optical device and optical transceiver module

#27
20200028330
2020-01-23

Vertically-coupled surface-etched grating DFB laser

#28
20190353847
2019-11-21

Enhanced coupling strength grating having a cover layer

#29
20190353846
2019-11-21

Method of making an enhanced coupling strength grating having a cover layer

#30
20190348818
2019-11-14

Arrayed semiconductor device, optical transmission module, optical module, and method for manufacturing thereof

#31
20190260181
2019-08-22

Method for making quantum cascade laser with angled active region

#32
20190252861
2019-08-15

Vertically-coupled surface-etched grating DFB laser

#33
20190222001
2019-07-18

Continuous-wave organic thin-film distributed feedback laser and electrically driven organic semiconductor laser diode

#34
20190199064
2019-06-27

Substrate including photonic crystal and method for manufacturing the same, and surface emitting quantum cascade laser

#35
20190165544
2019-05-30

Semiconductor laser device

#36
20190079237
2019-03-14

Digitized grating period

#37
20190036306
2019-01-31

Method for making a semiconductor laser diode, and laser diode

#38
20180375295
2018-12-27

Quantum cascade laser

#39
20180278021
2018-09-27

Laser device and process for fabricating such a laser device

#40
20180205202
2018-07-19

Dendrimer laser

#41
20180152005
2018-05-31

ARRAYED SEMICONDUCTOR DEVICE, OPTICAL TRANSMISSION MODULE, OPTICAL MODULE, AND METHOD FOR MANUFACTURING THEREOF

#42
20180145481
2018-05-24

Laser diode with distributed feedback and method for producing

#43
20180123320
2018-05-03

Semiconductor laser diode having multi-quantum well structure

#44
20180115140
2018-04-26

Reflector, vertical cavity light-emitting device, and method of producing the same

#45
20180076596
2018-03-15

Semiconductor laser device and manufacturing method of the same

#46
20180048118
2018-02-15

Quantum cascade laser with angled active region and related methods

#47
20170324217
2017-11-09

METHOD FOR PRODUCING A RESONANT STRUCTURE OF A DISTRIBUTED-FEEDBACK SEMICONDUCTOR LASER

#48
20170271847
2017-09-21

Semiconductor light-emitting element and method for manufacturing the same

#49
20170244221
2017-08-24

Semiconductor laser diode and method of manufacture thereof

#50
20170160450
2017-06-08

Grating element

#51
20170141541
2017-05-18

Laser device and process for fabricating such a laser device

#52
20170104307
2017-04-13

Single mode reflector using a nanobeam cavity

#53
20160380407
2016-12-29

Asymmetric optical waveguide grating resonators and DBR lasers

#54
20160359298
2016-12-08

Interband cascade lasers with low-fill-factor top contact for reduced loss

#55
20160252676
2016-09-01

Optical semiconductor resonator, optical semiconductor device, and optical module

#56
20160164257
2016-06-09

Semiconductor integrated optical device, manufacturing method thereof and optical module

#57
20160156154
2016-06-02

Semiconductor optical element and surface-emitting semiconductor optical element

#58
20160141835
2016-05-19

Laser and integrated graphene modulator

#59
20160064897
2016-03-03

Semiconductor laser

#60
20160056612
2016-02-25

Laser device and process for fabricating such a laser device

#61
20160020581
2016-01-21

Semiconductor laser element

#62
20160013621
2016-01-14

DISTRIBUTED FEEDBACK LASER DIODE ARRAY AND METHOD OF MANUFACTURING SAME

#63
20150372452
2015-12-24

TWO-DIMENSIONAL PHOTONIC CRYSTAL LASER AND METHOD OF PRODUCING THE SAME

#64
20150357792
2015-12-10

Semiconductor laser element, integrated semiconductor laser element, and method for producing semiconductor laser element

#65
20150318669
2015-11-05

Semiconductor laser and method for producing a semiconductor laser comprising a feedback element

#66
20150311674
2015-10-29

Semiconductor laser device and manufacturing method of the same

#67
20150270684
2015-09-24

Semiconductor laser device

#68
20150255957
2015-09-10

Distributed feedback laser diode

#69
20150255953
2015-09-10

External cavity laser with single mode-hop-free tuning

#70
20150236477
2015-08-20

Semiconductor optical device and manufacturing method thereof

#71
20150207290
2015-07-23

Method and apparatus for fabrication of controlled chirp gratings

#72
20150071584
2015-03-12

Optical semiconductor resonator, optical semiconductor device, and optical module

#73
20150063753
2015-03-05

Enhanced coupling strength grating having a cover layer

#74
20150003481
2015-01-01

Efficient third-order distributed feedback laser with enhanced beam pattern

#75
20140363910
2014-12-11

Semiconductor package with through silicon vias

#76
20140321493
2014-10-30

Optical semiconductor device and method for fabricating the optical semiconductor device

#77
20140193933
2014-07-10

Method for manufacturing semiconductor optical device

#78
20140008767
2014-01-09

Oxide removal from semiconductor surfaces using a flux of indium atoms

#79
20130128911
2013-05-23

Diode laser and method for manufacturing a high-efficiency diode laser

#80
20130022073
2013-01-24

Single-frequency distributed feedback laser diode with complex-coupling coefficient and transparent conductive cladding layer

#81
20130011947
2013-01-10

Method of forming a sampled grating and method of producing a laser diode

#82
20130005062
2013-01-03

Method for manufacturing semiconductor laser

#83
20120314727
2012-12-13

Ridge semiconductor laser and method for manufacturing a ridge semiconductor laser

#84
20120287959
2012-11-15

GERMANIUM LIGHT-EMITTING ELEMENT

#85
20120270347
2012-10-25

Method of manufacturing ridge-type semiconductor laser

#86
20120142129
2012-06-07

METHOD OF MANUFACTURING SEMICONDUCTOR LASER HAVING DIFFRACTION GRATING

#87
20120128019
2012-05-24

MONOLITHICALLY INTEGRATED MULTI-WAVELENGTH HIGH-CONTRAST GRATING VCSEL ARRAY

#88
20120106583
2012-05-03

VERTICALLY-COUPLED SURFACE-ETCHED GRATING DFB LASER

#89
20120094402
2012-04-19

Method to manufacture semiconductor device with optical grating

#90
20120027038
2012-02-02

Two-dimensional photonic crystal laser

#91
20120002285
2012-01-05

Optical element and method for manufacturing the same

#92
20110310915
2011-12-22

Methods and apparatus for single-mode selection in quantum cascade lasers

#93
20110306185
2011-12-15

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

#94
20110306155
2011-12-15

Method for producing semiconductor optical device

#95
20110235664
2011-09-29

Optoelectronic semiconductor chip and method of producing an optoelectronic semiconductor chip

#96
20110229079
2011-09-22

Optical semiconductor device and method for fabricating the optical semiconductor device

#97
20110227116
2011-09-22

Light-emitting device, light-receiving device and method of manufacturing the same

#98
20110134956
2011-06-09

Process for producing semiconductor device and semiconductor device

#99
20110134955
2011-06-09

Semiconductor laser diode device and method of fabrication thereof

#100
20110090932
2011-04-21

Multiple distributed feedback laser devices

#101
20100297789
2010-11-25

Method for producing semiconductor optical device

#102
20100296539
2010-11-25

Semiconductor laser and method for manufacturing the same

#103
20100265980
2010-10-21

Semiconductor laser

#104
20100265979
2010-10-21

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

#105
20100197057
2010-08-05

Method for manufacturing semiconductor optical device

#106
20100150579
2010-06-17

Semiconductor optical element, semiconductor laser using the semiconductor optical element, and optical transponder using the semiconductor laser

#107
20100142571
2010-06-10

Multiple distributed feedback laser devices

#108
20100081224
2010-04-01

Method of forming diffraction grating and method of fabricating distributed feedback laser diode

#109
20100055818
2010-03-04

Light-emitting diode on a conductive substrate

#110
20100040100
2010-02-18

Semiconductor laser

#111
20100034229
2010-02-11

Semiconductor laser and method of making semiconductor laser

#112
20100022044
2010-01-28

Laser device, laser module, semiconductor laser and fabrication method of semiconductor laser

#113
20100022043
2010-01-28

Semiconductor laser device and method of manufacturing the same

#114
20090170327
2009-07-02

Method of manufacturing a semiconductor device

#115
20090170229
2009-07-02

Method for producing a modulated grating for an optimal reflection spectrum

#116
20090129424
2009-05-21

Dendrimer Laser

#117
20090117678
2009-05-07

Semiconductor laser with a weakly coupled grating

#118
20090080482
2009-03-26

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

#119
20090074024
2009-03-19

Photonic crystal laser

#120
20090068778
2009-03-12

Buried heterostructure device having integrated waveguide grating fabricated by single step MOCVD

#121
20090047751
2009-02-19

Method of fabricating semiconductor laser

#122
20090023238
2009-01-22

Method to form an optical grating and to form a distributed feedback laser diode with the optical grating

#123
20080299692
2008-12-04

Semiconductor laser and the method for manufacturing the same

#124
20080279244
2008-11-13

Single-mode distributed feedback semiconductor lasers

#125
20080261157
2008-10-23

SEMICONDUCTOR LASER DEVICE AND METHOD OF MANUFACTURING THE SAME

#126
20080212637
2008-09-04

Distributed feedback semiconductor laser including wavelength monitoring section

#127
20080192779
2008-08-14

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

#128
20080165818
2008-07-10

Semiconductor optical device

#129
20080095207
2008-04-24

Process for precisely forming diffraction grating light-emitting device and a laser diode providing the same

#130
20080073655
2008-03-27

Optoelectronic semiconductor chip

#131
20080029770
2008-02-07

Nitride semiconductor laser element

#132
20080013582
2008-01-17

Semiconductor laser device and method of manufacturing the same

#133
20080002748
2008-01-03

Nitride semiconductor laser element

#134
20070263694
2007-11-15

Laser device, laser module, semiconductor laser and fabrication method of semiconductor laser

#135
20070253456
2007-11-01

Method for manufacturing a light-emitting device with a periodic structure in an active region

#136
20070183470
2007-08-09

Distributed feedback semiconductor laser

#137
20070133648
2007-06-14

Optical device coupling light propagating in optical waveguide with diffraction grating

#138
20070133639
2007-06-14

Semiconductor laser structure including quantum dot

#139
20070125995
2007-06-07

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

#140
20070064759
2007-03-22

Method for manufacturing semiconductor laser device and semiconductor laser device

#141
20070053404
2007-03-08

Complex-coupled distributed feedback semiconductor laser

#142
20070036188
2007-02-15

Wavelength tunable semiconductor laser having two difractive grating areas

#143
20060172446
2006-08-03

Semiconductor laser with a weakly coupled grating

#144
20060159145
2006-07-20

Semiconductor laser and the method for manufacturing the same

#145
20060134815
2006-06-22

Method of producing a diffraction grating

#146
20060120428
2006-06-08

Distributed feedback (DFB) semiconductor laser and fabrication method thereof

#147
20060120421
2006-06-08

Semiconductor laser and manufacturing method thereof

#148
20060050753
2006-03-09

Quantum nanostructure semiconductor laser

#149
20050276557
2005-12-15

Buried heterostucture device having integrated waveguide grating fabricated by single step MOCVD

#150
20050208768
2005-09-22

Method for manufacturing gratings in semiconductor materials that readily oxidise

#151
20050189315
2005-09-01

Method for manufacturing gratings in semiconductor materials

#152
20050169342
2005-08-04

DFB grating with dopant induced refractive index change

#153
20050135453
2005-06-23

Grating-outcoupled cavity resonator having uni-directional emission