ClassID:

215961

H01S5/1237 - 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 Lateral grating, i.e. grating only adjacent ridge or mesa

Recent Application in this class:
#1
20250202197
2025-06-19

LIGHT SOURCE COMPRISING A RESONANT CAVITY WITH DISTRIBUTED FEEDBACK AND METHOD FOR MANUFACTURING A SUCH LIGHT SOURCE

#2
20250105589
2025-03-27

CONTINUOUS FREQUENCY-TUNING ARRAY LIGHT SOURCE

#3
20250038479
2025-01-30

SEMICONDUCTOR STRUCTURE AND SEMICONDUCTOR STRUCTURE PREPARATION METHOD

#4
20240413614
2024-12-12

MANUFACTURABLE GALLIUM AND NITROGEN CONTAINING COUPLED WAVEGUIDE DEVICES

#5
20240332897
2024-10-03

SEMICONDUCTOR LASER

#6
20230378721
2023-11-23

CORRUGATED BURIED HETEROSTRUCTURE LASER AND METHOD FOR FABRICATING THE SAME

#7
20230291179
2023-09-14

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

#8
20230268714
2023-08-24

SINGLE MODE LASER WITH LARGE OPTICAL MODE SIZE

#9
20230131797
2023-04-27

Quantum cascade laser system with angled active region

#10
20220231478
2022-07-21

SEMICONDUCTOR LASER DEVICE

#11
20220200238
2022-06-23

LASER COMPRISING A DISTRIBUTED BRAGG MIRROR AND PRODUCTION METHOD

#12
20220181846
2022-06-09

OPTICAL MODULATOR AND METHOD FOR MANUFACTURING THE SAME

#13
20220166190
2022-05-26

HIGH-POWER SEMICONDUCTOR CHIP AND PREPARATION METHOD THEREFOR

#14
20220085574
2022-03-17

Optical semiconductor device

#15
20210399526
2021-12-23

SURFACE-EMITTING QUANTUM CASCADE LASER

#16
20210376559
2021-12-02

Single mode semiconductor laser with phase control

#17
20210296859
2021-09-23

SEMICONDUCTOR LASER, OPTICAL TRANSMITTER COMPONENT, OPTICAL LINE TERMINAL, AND OPTICAL NETWORK UNIT

#18
20210296849
2021-09-23

On-chip integrated semiconductor laser structure and method for preparing the same

#19
20210126430
2021-04-29

Semiconductor laser

#20
20210104869
2021-04-08

Tapered-grating single mode lasers and method of manufacturing

#21
20210036488
2021-02-04

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

#22
20210013699
2021-01-14

Surface-emmiting laser comprising surface gratings

#23
20200395736
2020-12-17

Quantum cascade laser system with angled active region

#24
20200335940
2020-10-22

HIGH-ORDER BRAGG GRATING SINGLE-MODE LASER ARRAY

#25
20200185885
2020-06-11

UNIPOLAR LIGHT DEVICES INTEGRATED WITH FOREIGN SUBSTRATES AND METHODS OF FABRICATION

#26
20190260181
2019-08-22

Method for making quantum cascade laser with angled active region

#27
20190165545
2019-05-30

Distributed feedback laser diode

#28
20190081454
2019-03-14

Distributed feedback semiconductor laser

#29
20190036306
2019-01-31

Method for making a semiconductor laser diode, and laser diode

#30
20180375295
2018-12-27

Quantum cascade laser

#31
20180375294
2018-12-27

Quantum cascade laser

#32
20180351328
2018-12-06

Semiconductor laser device, diffraction grating structure, and diffraction grating

#33
20180335568
2018-11-22

Guided light source for emission of single photons

#34
20180278021
2018-09-27

Laser device and process for fabricating such a laser device

#35
20180138661
2018-05-17

Light source and method for controlling the same

#36
20180048118
2018-02-15

Quantum cascade laser with angled active region and related methods

#37
20170317471
2017-11-02

AN OPTICAL DEVICE AND A METHOD FOR FABRICATING THEREOF

#38
20170170631
2017-06-15

Tunable laser device

#39
20170160450
2017-06-08

Grating element

#40
20170104314
2017-04-13

Edge emitting laser light source and 3D image obtaining apparatus including the same

#41
20170098922
2017-04-06

Semiconductor light emitting device and optical transceiver

#42
20170093126
2017-03-30

External-resonator-type light-emitting device

#43
20170047480
2017-02-16

Semiconductor optical device and display device

#44
20160380407
2016-12-29

Asymmetric optical waveguide grating resonators and DBR lasers

#45
20160359298
2016-12-08

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

#46
20160056612
2016-02-25

Laser device and process for fabricating such a laser device

#47
20160049770
2016-02-18

Single-mode, distributed feedback interband cascade lasers

#48
20150333482
2015-11-19

Index-coupled distributed-feedback semiconductor quantum cascade lasers fabricated without epitaxial regrowth

#49
20150318669
2015-11-05

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

#50
20150270684
2015-09-24

Semiconductor laser device

#51
20150085889
2015-03-26

Semiconductor laser light source having an edge-emitting semiconductor body

#52
20140010248
2014-01-09

Tunable Bragg grating and a tunable laser diode using same

#53
20120195337
2012-08-02

Semiconductor laser

#54
20120195335
2012-08-02

Device comprising a laser

#55
20120163821
2012-06-28

Multi-wavelength optical source generator

#56
20120147907
2012-06-14

Terahertz wave generator

#57
20120114003
2012-05-10

LASER DEVICE, A LIGHT SIGNAL GENERATION DEVICE, AND AN OPTICAL RESONATOR AND A METHOD FOR PRODUCING LIGHT

#58
20120093187
2012-04-19

DFB laser diode having a lateral coupling for large output power

#59
20110317732
2011-12-29

Edge emitting semiconductor laser

#60
20110243169
2011-10-06

Edge emitting semiconductor laser chip

#61
20110101250
2011-05-05

Frequency tunable wire lasers

#62
20110027926
2011-02-03

Optical semiconductor device having diffraction grating disposed on both sides of waveguide and its manufacture method

#63
20110006282
2011-01-13

Semiconductor light-emitting device, optical module, transmitter, and optical communication system

#64
20100290495
2010-11-18

LASER DEVICE, A LIGHT SIGNAL GENERATING DEVICE, AND AN OPTICAL RESONATOR AND A METHOD FOR PRODUCING LIGHT

#65
20100046562
2010-02-25

Tunable laser device and a method for producing light of respective selectable wavelengths

#66
20100034223
2010-02-11

Light-emitting device having injection-lockable semiconductor ring laser monolithically integrated with master laser

#67
20100008390
2010-01-14

Light-emitting device having injection-lockable unidirectional semiconductor ring laser monolithically integrated with master laser

#68
20090117678
2009-05-07

Semiconductor laser with a weakly coupled grating

#69
20090116522
2009-05-07

Enhanced efficiency laterally-coupled distributed feedback laser

#70
20090090925
2009-04-09

Semiconductor device

#71
20090068778
2009-03-12

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

#72
20090067459
2009-03-12

Illumination light source device and laser projection device

#73
20080261157
2008-10-23

SEMICONDUCTOR LASER DEVICE AND METHOD OF MANUFACTURING THE SAME

#74
20080225918
2008-09-18

INDEX GUIDED SEMICONDUCTOR LASER WITH LOSS-COUPLED GRATINGS AND CONTINUOUS WAVEGUIDE

#75
20080199131
2008-08-21

Optical device having diffraction gratings coupling guided wave, and its manufacture method

#76
20080192794
2008-08-14

Lateral-Bragg-Grating-Surface-Emitting Laser/Amplifier (LBGSE)

#77
20080144691
2008-06-19

Optical semiconductor device having diffraction grating disposed on both sides of waveguide and its manufacture method

#78
20080089374
2008-04-17

Semiconductor laser

#79
20080069496
2008-03-20

Coupling-enhanced surface etched gratings

#80
20080042122
2008-02-21

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

#81
20080037608
2008-02-14

Light source for swept source optical coherence tomography based on cascaded distributed feedback lasers with engineered band gaps

#82
20070248134
2007-10-25

Optical semiconductor device having diffraction grating

#83
20070133648
2007-06-14

Optical device coupling light propagating in optical waveguide with diffraction grating

#84
20060274802
2006-12-07

Semiconductor optical device and module using the same

#85
20060194358
2006-08-31

Tunable semiconductor laser and method thereof

#86
20060193353
2006-08-31

High power single mode semiconductor laser device and fabrication method thereof

#87
20060172446
2006-08-03

Semiconductor laser with a weakly coupled grating

#88
20060120421
2006-06-08

Semiconductor laser and manufacturing method thereof

#89
20060056472
2006-03-16

Quantum nano-structure semiconductor laser

#90
20050276557
2005-12-15

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

#91
20050232329
2005-10-20

DFB laser with a distributed reflector and photonic band gap

#92
20050129084
2005-06-16

Semiconductor laser array with a lattice structure

#93
20050040416
2005-02-24

Gain-clamped semiconductor optical amplifier having horizontal lasing structure and manufacturing method thereof

#94
17394726
2023-05-30

Method for integration of variable Bragg grating coupling coefficients

#95
13478392
2014-05-06

Diode laser