ClassID:

215962

H01S5/124 - 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 incorporating phase shifts

Sub-classes:
Recent Application in this class:
#1
20260100557
2026-04-09

SEMICONDUCTOR LASER

#2
20260081400
2026-03-19

MULTI-WAVELENGTH LASER

#3
20260051717
2026-02-19

Multiple Electrode Distributed Feedback Laser Array

#4
20250343388
2025-11-06

ACOUSTO-OPTIC SYSTEM HAVING PHASE-SHIFTING REFLECTOR

#5
20250202193
2025-06-19

CAVITY DESIGN FOR MULTI-WAVELENGTH LASERS

#6
20250047068
2025-02-06

DISTRIBUTED FEEDBACK LASERS AND METHODS FOR FABRICATING SUCH LASERS

#7
20250030222
2025-01-23

NITRIDE SEMICONDUCTOR LASER ELEMENT

#8
20240413608
2024-12-12

Surface emitting laser with hybrid grating structure

#9
20240332898
2024-10-03

SEMICONDUCTOR LASER

#10
20240332897
2024-10-03

SEMICONDUCTOR LASER

#11
20240113498
2024-04-04

SEMICONDUCTOR LASER

#12
20240022042
2024-01-18

SEMICONDUCTOR LASER FOR PREVENTING HOLE BURNING EFFECT

#13
20230361532
2023-11-09

SILICON PHOTONIC HYBRID DISTRIBUTED FEEDBACK LASER WITH BUILT-IN GRATING

#14
20230307883
2023-09-28

ACOUSTO-OPTIC SYSTEM HAVING PHASE-SHIFTING REFLECTOR

#15
20230291177
2023-09-14

Surface emitting laser with hybrid grating structure

#16
20230208100
2023-06-29

Negative bias to improve phase noise

#17
20220393430
2022-12-08

Semiconductor Optical Device

#18
20220302678
2022-09-22

SEMICONDUCTOR LASERS

#19
20220263286
2022-08-18

HIGH KAPPA SEMICONDUCTOR LASERS

#20
20220229316
2022-07-21

Response shaping by multiple injection in a ring-type structure

#21
20220216673
2022-07-07

Semiconductor Laser

#22
20220140569
2022-05-05

DFB WITH WEAK OPTICAL FEEDBACK

#23
20220128843
2022-04-28

Electro-absorption optical modulator including ground shield

#24
20210384704
2021-12-09

Response shaping by multiple injection in a ring-type structure

#25
20210344172
2021-11-04

Optical semiconductor device and method of manufacturing optical semiconductor device

#26
20210255006
2021-08-19

Structured optical fibre sensor integrating a tunable vernier effect laser emission device

#27
20210226406
2021-07-22

Acousto-optic system having phase-shifting reflector

#28
20210143610
2021-05-13

Surface emitting laser with hybrid grating structure

#29
20210104862
2021-04-08

Wavelength-tunable laser

#30
20210098969
2021-04-01

Two-kappa DBR laser

#31
20210098967
2021-04-01

DFB with weak optical feedback

#32
20210013699
2021-01-14

Surface-emmiting laser comprising surface gratings

#33
20200358248
2020-11-12

Quantum-dot-based narrow optical linewidth single wavelength and comb lasers on silicon

#34
20200295537
2020-09-17

Discrete wavelength tunable laser

#35
20200287351
2020-09-10

Vertical cavity surface emitting laser

#36
20200220326
2020-07-09

DISCRETE WAVELENGTH TUNABLE LASER

#37
20200212652
2020-07-02

High-output power quarter-wavelength shifted distributed feedback laser diode

#38
20200059068
2020-02-20

Response shaping by multiple injection in a ring-type structure

#39
20200052467
2020-02-13

Super structure grating and tunable laser

#40
20190280462
2019-09-12

Laser device

#41
20190221995
2019-07-18

On-chip wavelength locker

#42
20190199064
2019-06-27

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

#43
20190165544
2019-05-30

Semiconductor laser device

#44
20190115717
2019-04-18

Structure and fabricating method of distributed feedback laser

#45
20190052057
2019-02-14

Discrete wavelength tunable laser

#46
20180323580
2018-11-08

DISTRIBUTED FEEDBACK INTERBAND CASCADE LASERS WITH CORRUGATED SIDEWALL

#47
20180212399
2018-07-26

Photonic device comprising a laser optically connected to a silicon wave guide and method of fabricating such a photonic device

#48
20170310083
2017-10-26

Tunable laser and method for tuning a lasing mode

#49
20170194766
2017-07-06

OPTICAL DEVICE AND OPTICAL MODULE

#50
20170170633
2017-06-15

Method for producing quantum cascade laser and quantum cascade laser

#51
20170170631
2017-06-15

Tunable laser device

#52
20170141539
2017-05-18

Photonic integrated device with dielectric structure

#53
20170098922
2017-04-06

Semiconductor light emitting device and optical transceiver

#54
20170063044
2017-03-02

Quantum cascade laser

#55
20160277117
2016-09-22

Tunable laser including parallel lasing cavities with a common output

#56
20160149379
2016-05-26

Semiconductor laser and optical integrated light source including the same

#57
20160079735
2016-03-17

Laser comb generator

#58
20150357792
2015-12-10

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

#59
20150280402
2015-10-01

Single-step-grown transversely coupled distributed feedback laser

#60
20150270684
2015-09-24

Semiconductor laser device

#61
20150215043
2015-07-30

Lasers Based On Optical Ring-Resonators

#62
20150214695
2015-07-30

Horizontal cavity surface emitting laser device

#63
20150155687
2015-06-04

Semiconductor laser and optical semiconductor device

#64
20150093121
2015-04-02

Optical semiconductor device, optical semiconductor device array, and optical transmitter module

#65
20140348187
2014-11-27

Laser with full C-band tunability and narrow linewidth

#66
20140294031
2014-10-02

Optical device and optical module

#67
20140199798
2014-07-17

Quantum cascade laser manufacturing method

#68
20130003771
2013-01-03

DISTRIBUTED FEEDBACK LASER DIODE HAVING ASYMMETRIC COUPLING COEFFICIENT AND MANUFACTURING METHOD THEREOF

#69
20130003767
2013-01-03

Semiconductor laser device and circuit for and method of driving same

#70
20120190147
2012-07-26

Method of manufacturing semiconductor optical element

#71
20120056293
2012-03-08

Semiconductor optical element

#72
20120002285
2012-01-05

Optical element and method for manufacturing the same

#73
20110299561
2011-12-08

Semiconductor laser silicon waveguide substrate, and integrated device

#74
20110216789
2011-09-08

Semiconductor laser device

#75
20110134955
2011-06-09

Semiconductor laser diode device and method of fabrication thereof

#76
20110103734
2011-05-05

Optical modulation apparatus and optical modulation/integration apparatus

#77
20100327257
2010-12-30

Optical semiconductor device and method for manufacturing the same

#78
20100322557
2010-12-23

Optical device and method for manufacturing the same

#79
20100290489
2010-11-18

ELECTRO-ABSORPTION MODULATED LASER (EML) ASSEMBLY HAVING A 1/4 WAVELENGTH PHASE SHIFT LOCATED IN THE FORWARD PORTION OF THE DISTRIBUTED FEEDBACK (DFB) OF THE EML ASSEMBLY, AND A METHOD

#80
20100265980
2010-10-21

Semiconductor laser

#81
20100260225
2010-10-14

Semiconductor laser

#82
20100260220
2010-10-14

Semiconductor laser device and circuit for and method of driving same

#83
20100165356
2010-07-01

Semiconductor optical element

#84
20100150579
2010-06-17

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

#85
20100022044
2010-01-28

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

#86
20090059988
2009-03-05

Semiconductor laser and semiconductor optical integrated device

#87
20080291952
2008-11-27

OPTICAL SEMICONDUCTOR DEVICE

#88
20080240189
2008-10-02

Semiconductor laser

#89
20080175294
2008-07-24

Semiconductor optical devices, systems and methods of manufacturing the same

#90
20080084906
2008-04-10

Semiconductor optical element

#91
20070280321
2007-12-06

Distributed feedback laser diode

#92
20070268949
2007-11-22

Semiconductor laser

#93
20070263694
2007-11-15

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

#94
20070223857
2007-09-27

Optical semiconductor device and optical semiconductor integrated circuit

#95
20070223856
2007-09-27

Optical semiconductor device and optical semiconductor integrated circuit

#96
20070104242
2007-05-10

Distributed-feedback semiconductor laser, distributed-feedback semiconductor laser array, and optical module

#97
20070064759
2007-03-22

Method for manufacturing semiconductor laser device and semiconductor laser device

#98
20070036188
2007-02-15

Wavelength tunable semiconductor laser having two difractive grating areas

#99
20060209911
2006-09-21

Tunable laser

#100
20060104321
2006-05-18

Q-MODULATED SEMICONDUCTOR LASER WITH ELECTRO-ABSORPTIVE GRATING STRUCTURES

#101
20060050752
2006-03-09

Optical semiconductor device and optical semiconductor integrated circuit

#102
20050276302
2005-12-15

Distributed feedback laser diode

#103
20050238079
2005-10-27

High coherent power, two-dimensional surface-emitting semiconductor diode array laser

#104
20050180479
2005-08-18

Current biased dual DBR grating semiconductor laser

#105
20050164415
2005-07-28

Method and device for testing semiconductor laser

#106
20050117622
2005-06-02

Distributed feedback laser with differential grating

#107
20050031002
2005-02-10

High coherent power, two-dimensional surface-emitting semiconductor diode array laser

#108
20050025210
2005-02-03

Semiconductor laser device

#109
17394726
2023-05-30

Method for integration of variable Bragg grating coupling coefficients

#110
15956187
2019-04-30

Tunable laser device and method for manufacturing the same

#111
15896968
2019-01-22

Laser with pre-distorted grating