ClassID:

215950

H01S5/1203 - 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 over only a part of the length of the active region

Recent Application in this class:
#1
20260045762
2026-02-12

SEMICONDUCTOR LASER ELEMENT AND METHOD OF MANUFACTURING SAME

#2
20250372949
2025-12-04

MID-INFRARED EMITTING QUANTUM CASCADE LASER

#3
20250047068
2025-02-06

DISTRIBUTED FEEDBACK LASERS AND METHODS FOR FABRICATING SUCH LASERS

#4
20240170919
2024-05-23

DEVICE COUPON

#5
20230408406
2023-12-21

Spectroscopy Device Incorporating a Mid-Infrared Laser

#6
20230344197
2023-10-26

SEMICONDUCTOR LASER DEVICE WITH FIRST ORDER DIFFRACTION GRATING EXTENDING TO FACET

#7
20230006420
2023-01-05

GROWTH DEFECT REDUCTION AT GRATING TRANSITION

#8
20210098970
2021-04-01

ISOLATOR-FREE LASER

#9
20210013701
2021-01-14

QUANTUM CASCADE LASER

#10
20210006037
2021-01-07

Semiconductor laser

#11
20200036162
2020-01-30

LASER

#12
20190334317
2019-10-31

Semiconductor laser device and method for manufacturing semiconductor laser device

#13
20190319427
2019-10-17

Single facet laser sources

#14
20190148915
2019-05-16

Surface-emitting quantum cascade laser

#15
20190115717
2019-04-18

Structure and fabricating method of distributed feedback laser

#16
20190097385
2019-03-28

Wavelength-stabilized semiconductor laser source

#17
20190058305
2019-02-21

DIODE LASER PACKAGES WITH FLARED LASER OSCILLATOR WAVEGUIDES

#18
20190036306
2019-01-31

Method for making a semiconductor laser diode, and laser diode

#19
20180358777
2018-12-13

Low divergence high brightness broad area lasers

#20
20180267239
2018-09-20

Method of fabricating a compact photonics platform

#21
20180076596
2018-03-15

Semiconductor laser device and manufacturing method of the same

#22
20180069374
2018-03-08

Terahertz quantum cascade laser device

#23
20180041006
2018-02-08

Modulated laser source and methods of its fabrication and operation

#24
20180019571
2018-01-18

Laser diode with improved electrical conduction properties

#25
20170288364
2017-10-05

Diode laser packages with flared laser oscillator waveguides

#26
20160359298
2016-12-08

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

#27
20160261091
2016-09-08

High-coherence semiconductor light sources

#28
20160211645
2016-07-21

Semiconductor laser apparatus and manufacturing method thereof

#29
20160172823
2016-06-16

Diode laser packages with flared laser oscillator waveguides

#30
20160104997
2016-04-14

Multiple flared laser oscillator waveguide

#31
20160006216
2016-01-07

Flared laser oscillator waveguide

#32
20150357792
2015-12-10

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

#33
20150333480
2015-11-19

High-coherence semiconductor light sources

#34
20150311674
2015-10-29

Semiconductor laser device and manufacturing method of the same

#35
20150168647
2015-06-18

Configurable compact photonic platforms

#36
20140369700
2014-12-18

Tunable laser emission device

#37
20140301421
2014-10-09

Flared laser oscillator waveguide

#38
20140247852
2014-09-04

End-face-emitting photonic crystal laser element

#39
20140133505
2014-05-15

Edge-emitting semiconductor laser

#40
20140036948
2014-02-06

Optical semiconductor device and method of manufacturing the same

#41
20130270518
2013-10-17

System for frequency conversion, semiconducting device and method for operating and manufacturing the same

#42
20130089115
2013-04-11

High power semiconductor laser with phase-matching optical element

#43
20130028284
2013-01-31

Laser device

#44
20130016749
2013-01-17

SURFACE EMITTING LASER DIODE

#45
20120320940
2012-12-20

Laser device and method of manufacture thereof

#46
20120093187
2012-04-19

DFB laser diode having a lateral coupling for large output power

#47
20120044481
2012-02-23

Semiconductor light emitting element, driving method of semiconductor light emitting element, light emitting device, and optical pulse tester using light emitting device

#48
20120002285
2012-01-05

Optical element and method for manufacturing the same

#49
20110317732
2011-12-29

Edge emitting semiconductor laser

#50
20110103422
2011-05-05

Laser-induced optical wiring apparatus

#51
20110027926
2011-02-03

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

#52
20110002675
2011-01-06

Digital heat injection by way of surface emitting semi-conductor devices

#53
20100202487
2010-08-12

SEMICONDUCTOR LASER AND METHOD FOR OPERATING A SEMICONDUCTOR LASER

#54
20090225804
2009-09-10

SEMICONDUCTOR LASER AND METHOD FOR MANUFACTURING THE SAME

#55
20090225796
2009-09-10

Diffraction grating device, laser diode, and wavelength tunable filter

#56
20090201964
2009-08-13

Semiconductor laser optical integrated semiconductor device

#57
20090180499
2009-07-16

Frequency changing device

#58
20090170327
2009-07-02

Method of manufacturing a semiconductor device

#59
20090117678
2009-05-07

Semiconductor laser with a weakly coupled grating

#60
20090086206
2009-04-02

Tunable semiconductor laser device, manufacturing method therefor, and gas detector using therewith

#61
20090080480
2009-03-26

Laser-induced optical wiring apparatus

#62
20080291952
2008-11-27

OPTICAL SEMICONDUCTOR DEVICE

#63
20080212635
2008-09-04

HIGH EFFICIENCY DISTRIBUTED FEEDBACK (DFB) LASER WITH LOW-DUTY CYCLE GRATING

#64
20080205476
2008-08-28

High efficiency partial distributed feedback (p-DFB) laser

#65
20080144691
2008-06-19

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

#66
20080112445
2008-05-15

Distributed feedback laser with improved optical field uniformity and mode stability

#67
20080044936
2008-02-21

Semiconductor laser module, optical amplifier, and method of manufacturing the semiconductor laser module

#68
20070253456
2007-11-01

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

#69
20070103755
2007-05-10

Laser-induced optical wiring apparatus

#70
20070091942
2007-04-26

Laser diode generating passive mode and method of creating optical pulse using the same diode

#71
20060187995
2006-08-24

Low loss grating for high efficiency wavelength stabilized high power lasers

#72
20060172446
2006-08-03

Semiconductor laser with a weakly coupled grating

#73
20060120422
2006-06-08

Laser device and controlling method thereof

#74
20050238079
2005-10-27

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

#75
20050185265
2005-08-25

Semiconductor optical amplifier and optical amplifying apparatus using the same

#76
20050180482
2005-08-18

Very low cost surface emitting laser diode arrays

#77
20050152422
2005-07-14

Semiconductor laser with grating structure for stabilizing the wavelength of optical radiation

#78
20050128557
2005-06-16

Electro-absorptive optical modulator module having monolithic integrated photo detector

#79
20050122571
2005-06-09

Gain-clamped semiconductor optical amplifier

#80
20050083568
2005-04-21

Semiconductor laser module, optical amplifier, and method of manufacturing the semiconductor laser module

#81
20050053112
2005-03-10

Surface emitting dfb laser structures for broadband communication systems and array of same

#82
20050031009
2005-02-10

Structure and manufacturing method for single-wavelength and multi-wavelength distributed feedback lasers

#83
20050031002
2005-02-10

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

#84
15257330
2017-08-22

Optical amplifier devices and silicon photonic circuit devices comprising such optical amplifier devices