Patents-Review.com
ClassID:

216132 ⎘

H01S5/3402 - CPC Classification

Classification description:

Semiconductor lasers; Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well lasers [SQW-lasers], multiple quantum well lasers [MQW-lasers] or graded index separate confinement heterostructure lasers [GRINSCH-lasers] having no PN junction, e.g. unipolar lasers, intersubband lasers, quantum cascade lasers intersubband lasers, e.g. transitions within the conduction or valence bands

Recent Application in this class:
#1
20260121374
2026-04-30

SEMICONDUCTOR LASER DEVICE

 #2
20260058442
2026-02-26

Quantum Cascade Lasers With Narrow Core Ridge Waveguide Design

 #3
20260045771
2026-02-12

QCL DEVICE, EXTERNAL RESONANCE-TYPE QCL MODULE DEVICE, ANALYZER, AND LIGHT IRRADIATION METHOD

 #4
20260039087
2026-02-05

SURFACE-EMITTING QUANTUM CASCADE LASER

 #5
20260031593
2026-01-29

LASER ARRAY WITH EMITTER ISOLATION

 #6
20260018865
2026-01-15

ZINC OXIDE-BASED QUANTUM CASCADE LASER ELEMENT

 #7
20250372949
2025-12-04

MID-INFRARED EMITTING QUANTUM CASCADE LASER

 #8
20250357731
2025-11-20

QUANTUM CASCADE LASER ELEMENT

 #9
20250343394
2025-11-06

Distributed Feedback (DFB) Interband Cascade Lasers With Hybrid Cladding Layers

 #10
20250316959
2025-10-09

Topological Laser and Method of Forming the Same

 #11
20250300433
2025-09-25

QUANTUM CASCADE LASER

 #12
20250300432
2025-09-25

OPTICAL ELEMENTS AND SURFACE EMITTING LASERS

 #13
20250300426
2025-09-25

LASER MODULE

 #14
20250226640
2025-07-10

SURFACE EMITTING LASER AND METHOD FOR MANUFACTURING THE SAME

 #15
20250202196
2025-06-19

QUANTUM CASCADE LASER OPTICAL FREQUENCY COMB

 #16
20250180783
2025-06-05

OPTICAL SEMICONDUCTOR DEVICE AND DESIGN METHOD FOR ANTI-REFLECTION FILM USED IN OPTICAL SEMICONDUCTOR DEVICE

 #17
20250167517
2025-05-22

MODE SUPPRESSED GAIN MEDIUM

 #18
20250158352
2025-05-15

LASER MODULE

 #19
20250141185
2025-05-01

MODE-SELECTING QUANTUM CASCADE LASER

 #20
20250079805
2025-03-06

TERAHERTZ WAVE DETECTION DEVICE AND TERAHERTZ WAVE DETECTION METHOD

 #21
20250055261
2025-02-13

METHOD FOR PRODUCING OPTOELECTRONIC DEVICES

 #22
20240413615
2024-12-12

METHOD FOR MANUFACTURING QUANTUM CASCADE LASER DEVICE AND QUANTUM CASCADE LASER DEVICE

 #23
20240413604
2024-12-12

SINTERED BODY, SPUTTERING TARGET, FILM, QUANTUM CASCADE LASER, AND METHOD OF FILM FORMATION

 #24
20240356307
2024-10-24

LASER MODULE

 #25
20240356306
2024-10-24

LASER MODULE

 #26
20240356301
2024-10-24

LASER MODULE

 #27
20240264076
2024-08-08

SENSING SYSTEMS AND REFLECTIVE OPTICAL ELEMENT

 #28
20240097404
2024-03-21

HIGH-POWER, SINGLE-SPATIAL-MODE QUANTUM CASCADE LASERS

 #29
20240030683
2024-01-25

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

 #30
20240030679
2024-01-25

Quantum cascade laser devices with improved heat extraction

 #31
20230369823
2023-11-16

QUANTUM-CASCADE LASER MODULE

 #32
20230369822
2023-11-16

OPTICAL KIT AND OPTICAL DEVICE

 #33
20230361536
2023-11-09

LASER MODULE

 #34
20230318255
2023-10-05

LASER MODULE

 #35
20230307890
2023-09-28

CASCADE LASERS

 #36
20230268721
2023-08-24

Long-Wavelength Interband Cascade Lasers (ICLs) and Methods of Use

 #37
20230261442
2023-08-17

Weak Index Guiding of Interband Lasers Bonded to GaAs Substrates

 #38
20230253755
2023-08-10

LASER MODULE

 #39
20230163571
2023-05-25

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

 #40
20230163567
2023-05-25

SURFACE EMITTING QUANTUM CASCADE LASER

 #41
20230163558
2023-05-25

SEMICONDUCTOR LASER DEVICE

 #42
20230139139
2023-05-04

QUANTUM-CASCADE LASER ELEMENT AND QUANTUM-CASCADE LASER DEVICE

 #43
20230133283
2023-05-04

QUANTUM CASCADE LASER ELEMENT, QUANTUM CASCADE LASER DEVICE, AND METHOD FOR MANUFACTURING QUANTUM CASCADE LASER DEVICE

 #44
20230131797
2023-04-27

Quantum cascade laser system with angled active region

 #45
20230117347
2023-04-20

QUANTUM CASCADE LASER ELEMENT AND QUANTUM CASCADE LASER DEVICE

 #46
20230114599
2023-04-13

SEMICONDUCTOR LASER ELEMENT, SEMICONDUCTOR LASER DEVICE, AND METHOD FOR MANUFACTURING SEMICONDUCTOR LASER ELEMENT

 #47
20230092813
2023-03-23

EXTERNAL RESONANT LASER MODULE AND METHOD OF MANUFACTURING EXTERNAL RESONANT LASER MODULE

 #48
20230070461
2023-03-09

SURFACE-EMITTING SEMICONDUCTOR LIGHT-EMITTING DEVICE

 #49
20230063072
2023-03-02

ANALYSIS DEVICE

 #50
20230036709
2023-02-02

Monolithically integrated mid-infrared two-dimensional optical phased array

 #51
20230006088
2023-01-05

Optical device having an out-of-plane arrangement for light emission and detection

 #52
20220360045
2022-11-10

TECHNOLOGIES FOR A PHASE-LOCKED TERAHERTZ PLASMONIC LASER ARRAY WITH MICROCAVITIES

 #53
20220344902
2022-10-27

Semiconductor Laser Structure for Higher-Order Mode Suppression

 #54
20220337033
2022-10-20

EXTERNAL RESONANCE-TYPE LASER MODULE

 #55
20220271508
2022-08-25

SURFACE LIGHT-EMISSION TYPE SEMICONDUCTOR LIGHT-EMITTING DEVICE

 #56
20220271506
2022-08-25

External resonant laser module

 #57
20220271504
2022-08-25

EXTERNAL RESONANT LASER MODULE AND METHOD OF MANUFACTURING EXTERNAL RESONANT LASER MODULE

 #58
20220271491
2022-08-25

EXTERNAL RESONANCE-TYPE LASER MODULE

 #59
20220221400
2022-07-14

Terahertz spectrum measurement system and method for analyzing a terahertz spectrum of a substance

 #60
20220214024
2022-07-07

VIOLET AND ULTRAVIOLET ILLUMINATION DEVICE CONFIGURED WITH A GALLIUM AND NITROGEN CONTAINING LASER SOURCE

 #61
20220209498
2022-06-30

QUANTUM CASCADE LASER DEVICES WITH IMPROVED HEAT EXTRACTION

 #62
20220200239
2022-06-23

Laser comprising a distributed Bragg mirror and production method thereof

 #63
20220200238
2022-06-23

LASER COMPRISING A DISTRIBUTED BRAGG MIRROR AND PRODUCTION METHOD

 #64
20220149593
2022-05-12

HIGH FREQUENCY CURRENT MODULATION DEVICE CONTROLLER

 #65
20220077657
2022-03-10

METHOD, SYSTEM AND APPARATUS FOR DIFFERENTIAL CURRENT INJECTION

 #66
20220059995
2022-02-24

Quantum cascade laser

 #67
20220042672
2022-02-10

INFRARED ILLUMINATION DEVICE CONFIGURED WITH A GALLIUM AND NITROGEN CONTAINING LASER SOURCE

 #68
20220037858
2022-02-03

Monolithic quantum cascade laser (QCL)/avalanche photodiode (APD) infrared transceiver

 #69
20210404957
2021-12-30

Highly stable semiconductor lasers and sensors for III-V and silicon photonic integrated circuits

 #70
20210399527
2021-12-23

QCL with branch structure and related methods

 #71
20210399521
2021-12-23

QCL with branch structure and related methods

 #72
20210396670
2021-12-23

Highly stable semiconductor lasers and sensors for III-V and silicon photonic integrated circuits

 #73
20210396669
2021-12-23

Highly stable semiconductor lasers and sensors for III-V and silicon photonic integrated circuits

 #74
20210396668
2021-12-23

Highly stable semiconductor lasers and sensors for III-V and silicon photonic integrated circuits

 #75
20210396667
2021-12-23

Highly stable semiconductor lasers and sensors for III-V and silicon photonic integrated circuits

 #76
20210396666
2021-12-23

Highly stable semiconductor lasers and sensors for III-V and silicon photonic integrated circuits

 #77
20210396665
2021-12-23

Highly stable semiconductor lasers and sensors for III-V and silicon photonic integrated circuits

 #78
20210396664
2021-12-23

Highly stable semiconductor lasers and sensors for III-V and silicon photonic integrated circuits

 #79
20210389242
2021-12-16

Highly stable semiconductor lasers and sensors for III-V and silicon photonic integrated circuits

 #80
20210389241
2021-12-16

Highly stable semiconductor lasers and sensors for III-V and silicon photonic integrated circuits

 #81
20210351570
2021-11-11

Quantum cascade laser device

 #82
20210349371
2021-11-11

Tunable mid-infrared laser source and method

 #83
20210344167
2021-11-04

SYSTEM AND METHOD FOR OPTICAL FEEDBACK STABILIZED SEMICONDUCTOR FREQUENCY COMBS

 #84
20210336417
2021-10-28

OPTICAL APPARATUS

 #85
20210328411
2021-10-21

Dual quantum cascade laser micropackage

 #86
20210313775
2021-10-07

Laser assembly, spectrometer and method for operating a laser

 #87
20210313774
2021-10-07

Quantum cascade laser element

 #88
20210305786
2021-09-30

Quantum cascade laser

 #89
20210305769
2021-09-30

QUANTUM CASCADE LASER

 #90
20210296854
2021-09-23

Method and device for ultraviolet to long wave infrared multiband semiconducting single emitter

 #91
20210215602
2021-07-15

QCL Spectroscopy System and Applications Therefor

 #92
20210215319
2021-07-15

Violet and ultraviolet illumination device configured with a gallium and nitrogen containing laser source

 #93
20210167241
2021-06-03

Light source-integrated light sensing system and electronic device including the same

 #94
20210137430
2021-05-13

Fully implantable sensor element and method for detecting at least one analyte in a body fluid

 #95
20210091540
2021-03-25

Quantum cascade laser and method for manufacturing same

 #96
20210063306
2021-03-04

Dual-comb spectroscopy

 #97
20210057875
2021-02-25

Sintered body, sputtering target, film, quantum cascade laser, and method of film formation

 #98
20210021103
2021-01-21

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

 #99
20210018161
2021-01-21

Infrared illumination device configured with a gallium and nitrogen containing laser source

 #100
20210013701
2021-01-14

QUANTUM CASCADE LASER

 #101
20210006038
2021-01-07

OPTICAL FREQUENCY COMB SETUP AND USE OF AN EXTERNAL CAVITY FOR DISPERSION COMPENSATION AND FREQUENCY TUNING

 #102
20210006037
2021-01-07

Semiconductor laser

 #103
20200412093
2020-12-31

Mid-IR external cavity quantum cascade laser with a wavelength-adjustable interference filter

 #104
20200395736
2020-12-17

Quantum cascade laser system with angled active region

 #105
20200348227
2020-11-05

CARBON ISOTOPE ANALYSIS DEVICE AND CARBON ISOTOPE ANALYSIS METHOD

 #106
20200343693
2020-10-29

Tunable multilayer terahertz magnon generator

 #107
20200321751
2020-10-08

NETWORK OF QUANTUM CASCADE LASERS WITH ANTIGUIDING BURIED IN A TYPE IV MATERIAL AND WITH SINGLE-LOBE EMISSION

 #108
20200313397
2020-10-01

Quantum cascade laser with monolithically integrated passive waveguide

 #109
20200295535
2020-09-17

Semiconductor laser device, and method and program for driving the same

 #110
20200287349
2020-09-10

Semiconductor laser device and analysis apparatus

 #111
20200274331
2020-08-27

Semiconductor laser wafer and semiconductor laser

 #112
20200249488
2020-08-06

Optical element

 #113
20200244042
2020-07-30

Quantum cascade laser

 #114
20200220333
2020-07-09

Dual quantum cascade laser micropackage

 #115
20200185885
2020-06-11

UNIPOLAR LIGHT DEVICES INTEGRATED WITH FOREIGN SUBSTRATES AND METHODS OF FABRICATION

 #116
20200112143
2020-04-09

Quantum cascade laser

 #117
20200112140
2020-04-09

Electrically pumped vertical cavity laser

 #118
20200111929
2020-04-09

Semiconductor element for oscillating or detecting terahertz wave and manufacturing method of semiconductor element

 #119
20200072582
2020-03-05

Device, system, and method of aircraft protection and countermeasures against threats

 #120
20200067282
2020-02-27

Quantum cascade semiconductor laser

 #121
20200018701
2020-01-16

Highly stable semiconductor lasers and sensors for III-V and silicon photonic integrated circuits

 #122
20200006922
2020-01-02

Surface emitting quantum cascade laser

 #123
20190356108
2019-11-21

Method of manufacturing semiconductor laser element, and semiconductor laser device thereof and gas analyzer

 #124
20190334320
2019-10-31

Quantum cascade laser

 #125
20190326466
2019-10-24

Optical semiconductor element and method of manufacturing optical semiconductor element

 #126
20190305519
2019-10-03

QUANTUM CASCADE LASER

 #127
20190305514
2019-10-03

Method for controlling the emission frequency of a laser

 #128
20190273363
2019-09-05

Quantum cascade laser element

 #129
20190267776
2019-08-29

Arrayed waveguide grating beam combiner

 #130
20190267773
2019-08-29

Quantum impedance matching for carrier injection in tunable transistor-injected quantum cascade lasers

 #131
20190260181
2019-08-22

Method for making quantum cascade laser with angled active region

 #132
20190252853
2019-08-15

Laser source and method of manufacturing such

 #133
20190237939
2019-08-01

Dual quantum cascade laser micropackage

 #134
20190229492
2019-07-25

Semiconductor laser device and method of manufacturing the same

 #135
20190199066
2019-06-27

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

 #136
20190199065
2019-06-27

Quantum cascade laser

 #137
20190199064
2019-06-27

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

 #138
20190170479
2019-06-06

Target marking system

 #139
20190148915
2019-05-16

Surface-emitting quantum cascade laser

 #140
20190148912
2019-05-16

Surface-emitting quantum cascade laser

 #141
20190115728
2019-04-18

Quantum cascade laser

 #142
20190115727
2019-04-18

QCL with wide active region and thinned stages and related methods

 #143
20190109256
2019-04-11

Light source-integrated light sensing system and electronic device including the same

 #144
20190081456
2019-03-14

SEMICONDUCTOR LASER DEVICE

 #145
20190081454
2019-03-14

Distributed feedback semiconductor laser

 #146
20190074664
2019-03-07

Method of manufacturing quantum cascade laser beam source

 #147
20190074663
2019-03-07

Surface emitting quantum cascade laser

 #148
20190067910
2019-02-28

Thermal radiation light source

 #149
20180375295
2018-12-27

Quantum cascade laser

 #150
20180375294
2018-12-27

Quantum cascade laser

 #151
20180375293
2018-12-27

Quantum cascade laser

 #152
20180375292
2018-12-27

Quantum cascade laser

 #153
20180366912
2018-12-20

Quantum cascade laser, light emitting apparatus

 #154
20180366911
2018-12-20

Quantum cascade laser, light emitting device, method for fabricating a semiconductor laser

 #155
20180366910
2018-12-20

Quantum cascade laser, light emitting apparatus, method for fabricating quantum cascade laser

 #156
20180323580
2018-11-08

DISTRIBUTED FEEDBACK INTERBAND CASCADE LASERS WITH CORRUGATED SIDEWALL

 #157
20180321144
2018-11-08

QCL spectroscopy system and applications therefor

 #158
20180261982
2018-09-13

SEMICONDUCTOR LASER

 #159
20180261981
2018-09-13

Semiconductor laser

 #160
20180261980
2018-09-13

Semiconductor laser

 #161
20180254610
2018-09-06

Quantum cascade laser device

 #162
20180254592
2018-09-06

Laser core having conductive mass electrical connection

 #163
20180218574
2018-08-02

Beacon system

 #164
20180183213
2018-06-28

SEMICONDUCTOR LASER

 #165
20180166860
2018-06-14

Quantum cascade laser

 #166
20180166859
2018-06-14

Quantum cascade semiconductor laser

 #167
20180152141
2018-05-31

Semiconductor device

 #168
20180076597
2018-03-15

QUANTUM CASCADE LASER DEVICE

 #169
20180069374
2018-03-08

Terahertz quantum cascade laser device

 #170
20180048124
2018-02-15

Integrated quantum cascade laser, semiconductor optical apparatus

 #171
20180048118
2018-02-15

Quantum cascade laser with angled active region and related methods

 #172
20180006434
2018-01-04

Quantum cascade laser

 #173
20170373473
2017-12-28

Quantum cascade laser with current blocking layers

 #174
20170373472
2017-12-28

Weakly index-guided interband cascade lasers with no grown top cladding layer or a thin top cladding layer

 #175
20170338627
2017-11-23

Quantum cascade laser

 #176
20170324220
2017-11-09

Quantum cascade laser optimized for epitaxial side-down mounting

 #177
20170271849
2017-09-21

Surface emitting quantum cascade laser

 #178
20170201071
2017-07-13

Quantum cascade laser

 #179
20170181259
2017-06-22

Laser apparatus and extreme ultraviolet light generating apparatus

 #180
20170179685
2017-06-22

Multiwavelength quantum cascade laser via growth of different active and passive cores

 #181
20170170634
2017-06-15

Method for producing quantum cascade laser and quantum cascade laser

 #182
20170077675
2017-03-16

Thermal emission source and two-dimensional photonic crystal for use in the same emission source

 #183
20170070032
2017-03-09

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

 #184
20170063044
2017-03-02

Quantum cascade laser

 #185
20170063043
2017-03-02

Methods for forming photonic integrated circuits based on quantum cascade structures

 #186
20170063042
2017-03-02

Semiconductor laser device

 #187
20170063040
2017-03-02

VCSEL incorporating a substrate having an aperture

 #188
20170063038
2017-03-02

Quantum cascade laser

 #189
20170033536
2017-02-02

Quantum cascade laser

 #190
20170033532
2017-02-02

Quantum cascade laser with serially configured gain sections

 #191
20170012408
2017-01-12

Quantum cascade laser

 #192
20160374591
2016-12-29

BANDSTRUCTURE CASCADE LASER CAPNOGRAPHY

 #193
20160359298
2016-12-08

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

 #194
20160322788
2016-11-03

Long wavelength quantum cascade lasers based on high strain composition

 #195
20160322785
2016-11-03

Angled facet broad-ridge quantum cascade laser

 #196
20160308331
2016-10-20

Terahertz quantum cascade laser implementing a {hacek over (C)}erenkov difference-frequency generation scheme

 #197
20160301187
2016-10-13

Rapidly tunable laser assembly

 #198
20160294161
2016-10-06

SEMICONDUCTOR LASER

 #199
20160294160
2016-10-06

Quantum cascade semiconductor laser

 #200
20160294159
2016-10-06

Quantum cascade semiconductor laser

 #201
20160268772
2016-09-15

Monolithic wide wavelength tunable mid-IR laser sources

 #202
20160211645
2016-07-21

Semiconductor laser apparatus and manufacturing method thereof

 #203
20160209325
2016-07-21

QCL spectroscopy system and applications therefor

 #204
20160197454
2016-07-07

Passive waveguide structure with alternating GaInAs/AlInAs layers for mid-infrared optoelectronic devices

 #205
20160190768
2016-06-30

Antenna feedback scheme for achieving narrow beam emission from plasmonic lasers

 #206
20160172820
2016-06-16

Laser amplifier, laser apparatus, and extreme ultraviolet light generating system

 #207
20160156156
2016-06-02

SEMICONDUCTOR INTERBAND CASCADE LASERS WITH ENHANCED OPTICAL CONFINEMENT

 #208
20160141835
2016-05-19

Laser and integrated graphene modulator

 #209
20160094015
2016-03-31

Quantum cascade laser

 #210
20160087408
2016-03-24

Quantum-cascade laser

 #211
20160084615
2016-03-24

Target marking system

 #212
20160064901
2016-03-03

Nitride semiconductor quantum cascade laser

 #213
20160049770
2016-02-18

Single-mode, distributed feedback interband cascade lasers

 #214
20160036200
2016-02-04

OSCILLATION DEVICE

 #215
20160013619
2016-01-14

Semiconductor interband lasers and method of forming

 #216
20150357794
2015-12-10

Quantum cascade laser

 #217
20150333482
2015-11-19

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

 #218
20150318669
2015-11-05

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

 #219
20150311665
2015-10-29

EXTERNAL CAVITY SYSTEM GENERATING BROADLY TUNABLE TERAHERTZ RADIATION IN MID-INFRARED QUANTUM CASCADE LASERS

 #220
20150292947
2015-10-15

QCL spectroscopy system and applications therefor

 #221
20150286006
2015-10-08

HIGH EFFICIENCY VERTICAL OPTICAL COUPLER USING SUB-WAVELENGTH HIGH CONTRAST GRATING

 #222
20150270685
2015-09-24

Monolithic wide wavelength tunable mid-IR laser sources

 #223
20150270684
2015-09-24

Semiconductor laser device

 #224
20150263488
2015-09-17

Multiwavelength quantum cascade laser via growth of different active and passive cores

 #225
20150249319
2015-09-03

Passive waveguide structure with alternating GaInAs/AlInAs layers for mid-infrared optoelectronic devices

 #226
20150249135
2015-09-03

Semiconductor heterostructure and method of fabrication thereof

 #227
20150244145
2015-08-27

METHODS FOR DETERMINING OPTICAL POWER, FOR POWER NORMALIZING LASER MEASUREMENTS, AND FOR STABILIZING POWER OF LASERS VIA COMPLIANCE VOLTAGE SENSING

 #228
20150211929
2015-07-30

External cavity laser source

 #229
20150188290
2015-07-02

Interband cascade lasers with engineered carrier densities

 #230
20150131689
2015-05-14

Quantum cascade lasers with improved performance using interface roughness scattering

 #231
20150078411
2015-03-19

Tunable laser, a method for making, and a method for operating such a laser

 #232
20150070698
2015-03-12

Quantum cascade laser with autonomously aligned external cavity and related methods

 #233
20150008327
2015-01-08

Mid-IR multiwavelength concatenated distributed-feedback laser with an active core made of cascaded stages

 #234
20140355637
2014-12-04

Quantum cascade laser

 #235
20140355634
2014-12-04

Quantum cascade laser

 #236
20140346358
2014-11-27

Quantum cascade laser suitable for portable applications

 #237
20140269808
2014-09-18

Rapidly tunable laser source assembly with long stroke grating mover

 #238
20140247851
2014-09-04

Quantum cascade laser

 #239
20140241392
2014-08-28

Quantum cascade laser

 #240
20140241390
2014-08-28

Semiconductor light emitting device and method for manufacturing same

 #241
20140241389
2014-08-28

Semiconductor light emitting device and method for manufacturing same

 #242
20140226686
2014-08-14

Chemical detection and laser wavelength stabilization employing spectroscopic absorption via laser compliance voltage sensing

 #243
20140199798
2014-07-17

Quantum cascade laser manufacturing method

 #244
20140153603
2014-06-05

Quantum cascade laser element

 #245
20140027708
2014-01-30

Photonic integrated circuits based on quantum cascade structures

 #246
20130322480
2013-12-05

Quantum cascade laser

 #247
20130322479
2013-12-05

Quantum cascade laser

 #248
20130266036
2013-10-10

Quantum cascade laser structure

 #249
20130240737
2013-09-19

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

 #250
20130221223
2013-08-29

Surface emitting multiwavelength distributed-feedback concentric ring lasers

 #251
20130221152
2013-08-29

Multi-wavelength high output laser source assembly with precision output beam

 #252
20130195136
2013-08-01

Semiconductor laser

 #253
20130195131
2013-08-01

Chemical detection and laser wavelength stabilization employing spectroscopic absorption via laser compliance voltage sensing

 #254
20130195130
2013-08-01

Methods for determining optical power, for power-normalizing laser measurements, and for stabilizing power of lasers via compliance voltage sensing

 #255
20130182736
2013-07-18

Quantum cascade laser

 #256
20130156052
2013-06-20

Methods and apparatus for temperature tuning of semiconductor lasers

 #257
20130148674
2013-06-13

Laser apparatus, extreme ultraviolet light generation system, method for controlling the laser apparatus, and method for generating the extreme ultraviolet light

 #258
20130136148
2013-05-30

Quantum cascade laser design with stepped well active region

 #259
20130121359
2013-05-16

Integrated broadband quantum cascade laser

 #260
20130114628
2013-05-09

MULTI-WAVELENGTH DBR LASER

 #261
20130107903
2013-05-02

Quantum cascade structures on metamorphic buffer layer structures

 #262
20130089114
2013-04-11

Mounting base for a laser system

 #263
20130061509
2013-03-14

Target marking system

 #264
20130010823
2013-01-10

Quantum Cascade Laser with Optimized Voltage Defect

 #265
20120300804
2012-11-29

Interband cascade laser amplifier medium

 #266
20120292512
2012-11-22

Waveguide, apparatus including the waveguide, and method of manufacturing the waveguide

 #267
20120269221
2012-10-25

Interband cascade lasers with engineered carrier densities

 #268
20120263204
2012-10-18

Quantum cascade laser

 #269
20120236890
2012-09-20

P-type isolation regions adjacent to semiconductor laser facets

 #270
20120236889
2012-09-20

P-type isolation between QCL regions

 #271
20120230359
2012-09-13

Quantum cascade laser

 #272
20120230358
2012-09-13

High-power quantum cascade lasers with active-photonic-crystal structure for single, in-phase mode operation

 #273
20120210589
2012-08-23

Quantum cascade laser suitable for portable applications

 #274
20120207186
2012-08-16

TERAHERTZ QUANTUM CASCADE LASERS (QCLS)

 #275
20120206725
2012-08-16

External cavity laser source

 #276
20120201263
2012-08-09

High-power quantum cascade lasers with active-photonic-crystal structure

 #277
20120181504
2012-07-19

Semiconductor light emitting device and method for manufacturing same

 #278
20120134380
2012-05-31

Quantum cascade laser

 #279
20120120972
2012-05-17

Quantum cascade lasers with electrically tunable emission wavelengths

 #280
20120120478
2012-05-17

ELECTRO-OPTICAL DEVICES BASED ON THE VARIATION IN THE INDEX OR ABSORPTION IN THE ISB TRANSITIONS

 #281
20120091916
2012-04-19

RADIATION SOURCE

 #282
20120076164
2012-03-29

Microwave circuit

 #283
20120068001
2012-03-22

Multi-wavelength high output laser source assembly with precision output beam

 #284
20120044964
2012-02-23

Semiconductor interband lasers and method of forming

 #285
20120039350
2012-02-16

High power, high efficiency quantum cascade lasers with reduced electron leakage

 #286
20120039349
2012-02-16

CIRCUIT FOR CONTROLLING A GAIN MEDIUM

 #287
20120033697
2012-02-09

Wavelength beam combining of quantum cascade laser arrays

 #288
20120033220
2012-02-09

QCL spectroscopy system and applications therefor

 #289
20120014402
2012-01-19

Laser module

 #290
20120006986
2012-01-12

Target marker having quantum cascade laser for thermally marking a target

 #291
20110286486
2011-11-24

Quantum cascade laser

 #292
20110240856
2011-10-06

Target marker having quantum cascade laser for thermally marking a target

 #293
20110222566
2011-09-15

Laser source that generates a rapidly changing output beam

 #294
20110222564
2011-09-15

METHODS AND APPARATUS FOR GENERATING TERAHERTZ RADIATION

 #295
20110102094
2011-05-05

Method and apparatus for resonant frequency waveform modulation

 #296
20110101250
2011-05-05

Frequency tunable wire lasers

 #297
20110090926
2011-04-21

Laser device

 #298
20110080930
2011-04-07

Highly power-efficient and broadband quantum cascade lasers

 #299
20110058176
2011-03-10

SPECTROMETERS UTILIZING MID INFRARED ULTRA BROADBAND HIGH BRIGHTNESS LIGHT SOURCES

 #300
20110032966
2011-02-10

Laser device