ClassID:

215971

H01S5/146 - 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; External cavity lasers using a fiber as external cavity

Sub-classes:
Recent Application in this class:
#1
20250372957
2025-12-04

Multi KW Class Blue Laser System

#2
20250355088
2025-11-20

ROTATING COMPACT LIGHT RANGING SYSTEM

#3
20250300431
2025-09-25

SEMICONDUCTOR TUNABLE RING LASER, PHOTONIC INTEGRATED CIRCUIT AND OPTO-ELECTRONIC SYSTEM COMPRISING THE SAME

#4
20250279629
2025-09-04

WAVELENGTH-VARIABLE LASER

#5
20240418833
2024-12-19

Rotating compact light ranging system

#6
20240413609
2024-12-12

PULSED OPTICAL SOURCE

#7
20240348012
2024-10-17

Applications, Methods and Systems for a Laser Deliver Addressable Array

#8
20240291240
2024-08-29

WAVELENGTH-VARIABLE LASER

#9
20240235166
2024-07-11

Multi kW Class Blue Laser System

#10
20240136802
2024-04-25

Multi kW class blue laser system

#11
20240088621
2024-03-14

Integration of optical gain subassembly with silicon photonics

#12
20230231358
2023-07-20

Optical communication interface

#13
20230198218
2023-06-22

TUNABLE WAVELENGTH GAIN CHIP ARRAY FOR SENSING AND COMMUNICATION

#14
20230187906
2023-06-15

Wavelength-variable laser

#15
20220268893
2022-08-25

Rotating compact light ranging system

#16
20220263290
2022-08-18

Narrow linewidth semiconductor laser device

#17
20220029380
2022-01-27

Optical communication interface

#18
20220021184
2022-01-20

Light source device and optical pulse tester

#19
20220021183
2022-01-20

Applications, methods and systems for a laser deliver addressable array

#20
20210305781
2021-09-30

Ultra-low noise, highly stable single-mode operation, high power, Bragg grating based semiconductor laser

#21
20210278506
2021-09-09

Rotating compact light ranging system comprising a stator driver circuit imparting an electromagnetic force on a rotor assembly

#22
20210278505
2021-09-09

Rotating compact light ranging system

#23
20210210929
2021-07-08

Wavelength-variable laser

#24
20210184436
2021-06-17

Wavelength-variable laser

#25
20210175689
2021-06-10

MULTI-FREQUENCY HYBRID TUNABLE LASER

#26
20210167575
2021-06-03

Assembly techniques and cooling manifold configuration for high-power laser systems

#27
20210159659
2021-05-27

Photonic chip integrated with a fiber laser

#28
20210135422
2021-05-06

Optical power transmission apparatus

#29
20210098972
2021-04-01

VCSEL WITH ELLIPTICAL APERTURE HAVING REDUCED RIN

#30
20200358248
2020-11-12

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

#31
20200319101
2020-10-08

Tunable light source cavity detection using a plurality of axial-plus-transverse modes

#32
20200313386
2020-10-01

Integrated broadband chaotic semiconductor laser using optical microcavities

#33
20200280171
2020-09-03

Single-facet, variable-confinement optical waveguide amplifier

#34
20200274317
2020-08-27

Semiconductor laser device

#35
20200244041
2020-07-30

Nitride semiconductor laser device and semiconductor laser apparatus

#36
20200067279
2020-02-27

Wavelength-variable laser

#37
20200067274
2020-02-27

Quantum dot comb lasers with external cavity

#38
20200064189
2020-02-27

Diagnostic system with broadband light source

#39
20200041613
2020-02-06

Light ranging device with a multi-element bulk lens system

#40
20200025880
2020-01-23

Rotating light ranging system with optical communication uplink and downlink channels

#41
20200025879
2020-01-23

Light ranging system with opposing circuit boards

#42
20190372307
2019-12-05

Ultra-low noise, highly stable single-mode operation, high power, Bragg grating based semiconductor laser

#43
20190341743
2019-11-07

VCSEL with elliptical aperture having reduced RIN

#44
20190339586
2019-11-07

Continuous-wave terahertz generation via optically pumped rydberg states

#45
20190296519
2019-09-26

Laser system with optical feedback

#46
20190288477
2019-09-19

Optical fiber amplifier system and methods of using same

#47
20190273365
2019-09-05

Multi kW class blue laser system

#48
20190257990
2019-08-22

Multi-pass etalon filter

#49
20190250336
2019-08-15

Fiber coupled laser source pump with wavelength division multiplexer, isolator, tap filter, and photodetector

#50
20190226989
2019-07-25

Fast two-photon imaging by diffracted swept-laser excitation

#51
20190181612
2019-06-13

SEMICONDUCTOR LASER

#52
20190179028
2019-06-13

Rotating compact light ranging system

#53
20190157841
2019-05-23

Ultra-low noise, highly stable single-mode operation, high power, Bragg grating based semiconductor laser

#54
20190157840
2019-05-23

Ultra-low noise, highly stable single-mode operation, high power, Bragg grating based semiconductor laser

#55
20190089127
2019-03-21

VCSEL with elliptical aperture having reduced rin

#56
20190086329
2019-03-21

Tunable light source cavity detection using a plurality of axial-plus-transverse modes

#57
20190058305
2019-02-21

DIODE LASER PACKAGES WITH FLARED LASER OSCILLATOR WAVEGUIDES

#58
20190056290
2019-02-21

Optical time domain reflectometer using polymer wavelength tunable laser

#59
20190056266
2019-02-21

Spectroscopy system with laser and pulsed output beam

#60
20190052054
2019-02-14

LASER ARRANGEMENT, METHOD FOR CONTROLLING LASER AND MEASURING METHOD

#61
20190036305
2019-01-31

Stable linewidth narrowing of a coherent comb laser

#62
20190036304
2019-01-31

Stable linewidth narrowing of a coherent comb laser

#63
20180331503
2018-11-15

Wavelength-variable laser

#64
20180321641
2018-11-08

Architecture for compact cold atom clocks

#65
20180269654
2018-09-20

Semiconductor laser

#66
20180269644
2018-09-20

Method and apparatus for spectral narrowing and wavelength stabilization of broad-area lasers

#67
20180226767
2018-08-09

Tunable laser device

#68
20180175590
2018-06-21

SEMICONDUCTOR LASER DEVICE

#69
20180062351
2018-03-01

Quantum dot SOA-silicon external cavity multi-wavelength laser

#70
20180054040
2018-02-22

Ultra-low noise, highly stable single-mode operation, high power, Bragg grating based semiconductor laser

#71
20180051978
2018-02-22

Optical coherence tomography laser with integrated clock

#72
20180003482
2018-01-04

Methods and Apparatus for Swept-Source Optical Coherence Tomography

#73
20170336258
2017-11-23

Mid-infrared super-continuum laser

#74
20170288364
2017-10-05

Diode laser packages with flared laser oscillator waveguides

#75
20170237519
2017-08-17

External cavity FP laser

#76
20170214208
2017-07-27

Optical fiber cooling device and laser oscillator

#77
20170093127
2017-03-30

External-resonator-type light-emitting device

#78
20170093126
2017-03-30

External-resonator-type light-emitting device

#79
20170063468
2017-03-02

Wavelength locking and multiplexing of high-power semiconductor lasers

#80
20170040774
2017-02-09

EXTENDED CAVITY FABRY-PEROT LASER ASSEMBLY CAPABLE OF HIGH SPEED OPTICAL MODULATION WITH NARROW MODE SPACING AND WDM OPTICAL SYSTEM INCLUDING SAME

#81
20170026131
2017-01-26

External cavity laser based wavelength division multiplexing superchannel transceivers

#82
20160380408
2016-12-29

Quantum dot SOA-silicon external cavity multi-wavelength laser

#83
20160363507
2016-12-15

Optical time domain reflectometer using polymer wavelength tunable laser

#84
20160363482
2016-12-15

Broadband or mid-infrared fiber light sources

#85
20160322777
2016-11-03

Applications, methods and systems for a laser deliver addressable array

#86
20160320172
2016-11-03

Optical coherence tomography laser with integrated clock

#87
20160320170
2016-11-03

Method and apparatus for performing optical imaging using frequency-domain interferometry

#88
20160301191
2016-10-13

External cavity laser based wavelength division multiplexing superchannel transceivers

#89
20160285237
2016-09-29

Method of designing semiconductor laser device, method of designing raman amplifier, methods of manufacturing semiconductor laser device, semiconductor laser device, raman amplifier, and optical communication system

#90
20160248220
2016-08-25

Narrow line-width laser characterization based on bi-directional pumped Brillouin random fiber laser

#91
20160226220
2016-08-04

Wavelength locking multimode diode lasers with fiber Bragg grating in large mode area core

#92
20160226215
2016-08-04

Akinetic swept laser apparatus and method for fast sweeping of the same

#93
20160172823
2016-06-16

Diode laser packages with flared laser oscillator waveguides

#94
20160099536
2016-04-07

GENERATION OF CONTINUOUS WAVE DUV LASER RADIATION

#95
20160056603
2016-02-25

Optical interconnects

#96
20160036200
2016-02-04

OSCILLATION DEVICE

#97
20160010971
2016-01-14

Broadband or mid-infrared fiber light sources

#98
20150349493
2015-12-03

SEMICONDUCTOR LASER WITH EXTERNAL CAVITY HAVING NON-STRAIGHT WAVEGUIDE

#99
20150349486
2015-12-03

Narrow line-width laser characterization based on bi-directional pumped Brillouin random fiber laser

#100
20150311676
2015-10-29

Optical semiconductor device, semiconductor laser module, and optical fiber amplifier

#101
20150311669
2015-10-29

External cavity fabry-perot laser

#102
20150295386
2015-10-15

Diode laser packages with flared laser oscillator waveguides

#103
20150288148
2015-10-08

Laser device, light modulation device, and optical semiconductor device

#104
20150288143
2015-10-08

TUNABLE EXTERNAL CAVITY LASER

#105
20150247756
2015-09-03

Broadband or mid-infrared fiber light sources

#106
20150230978
2015-08-20

Laser apparatus and method for laser processing a target material

#107
20150222089
2015-08-06

Laser device that includes ring resonator

#108
20150214690
2015-07-30

Q-switched oscillator seed-source for MOPA laser illuminator apparatus and method

#109
20150192405
2015-07-09

Methods and apparatus for swept-source optical coherence tomography

#110
20150180201
2015-06-25

Quantum dot SOA-silicon external cavity multi-wavelength laser

#111
20150171595
2015-06-18

System and method for stabilizing mode locked swept laser for OCT medical imaging

#112
20150147020
2015-05-28

External resonator type light emitting system

#113
20150139264
2015-05-21

Sagnac loop mirror based laser cavity on silicon photonics platform

#114
20150139263
2015-05-21

Pump radiation arrangement and method for pumping a laser-active medium

#115
20150077755
2015-03-19

Method and apparatus for performing optical imaging using frequency-domain interferometry

#116
20150015953
2015-01-15

Single-pump multi-wavelength lasing semiconductor Raman pump laser and pump combination apparatus

#117
20150008344
2015-01-08

Broadband or mid-infrared fiber light sources

#118
20140333986
2014-11-13

Optical beam steering for tunable laser applications

#119
20140293403
2014-10-02

Light source device and wavelength conversion method

#120
20140218741
2014-08-07

OCT swept laser with cavity length compensation

#121
20140205293
2014-07-24

EXTERNAL CAVITY LASER AND SYSTEM FOR WAVE DIVISION MULTIPLEXING-PASSIVE OPTICAL NETWORK

#122
20140185054
2014-07-03

System and method for stabilizing mode locked swept laser for OCT medical imaging

#123
20140161144
2014-06-12

Self-seeding fiber laser, method for driving self-seeding fiber laser, passive optical network system and device

#124
20140085639
2014-03-27

Laser swept source with controlled mode locking for OCT medical imaging

#125
20140072007
2014-03-13

Laser apparatus

#126
20140071455
2014-03-13

Stabilized pump laser output system and method

#127
20140036941
2014-02-06

Methods, systems, and devices for timing control in electromagnetic radiation sources

#128
20140029015
2014-01-30

Systems and methods for artifact suppression by frequency shifting or cavity length adjustment

#129
20140016135
2014-01-16

Optical coherence tomography laser with integrated clock

#130
20130329277
2013-12-12

Optical amplifier and optical amplifier control method

#131
20130308661
2013-11-21

Fiber laser

#132
20130259073
2013-10-03

Apparatus and method for stabilizing wavelength tunable laser

#133
20130223844
2013-08-29

External cavity laser array system and WDM optical system including same

#134
20130170511
2013-07-04

Laser light source

#135
20130163629
2013-06-27

User-selectable laser and optical transmitter having the same

#136
20130016977
2013-01-17

Laser array mux assembly with external reflector for providing a selected wavelength or multiplexed wavelengths

#137
20130016976
2013-01-17

Extended cavity fabry-perot laser assembly capable of high speed optical modulation with narrow mode spacing and WDM optical system including same

#138
20120320936
2012-12-20

MEMS BASED SWEPT LASER SOURCE

#139
20120307257
2012-12-06

SWEPT LIGHT SOURCE APPARATUS AND IMAGING SYSTEM INCLUDING THE SAME

#140
20120239013
2012-09-20

Broadband or mid-infrared fiber light sources

#141
20120236883
2012-09-20

Methods, systems, and devices for timing control in electromagnetic radiation sources

#142
20120230354
2012-09-13

Wavelength-tunable light source

#143
20120188554
2012-07-26

LIGHT SOURCE DEVICE AND IMAGING APPARATUS USING THE SAME

#144
20120162662
2012-06-28

Actively Mode Locked Laser Swept Source for OCT Medical Imaging

#145
20120147910
2012-06-14

SEMICONDUCTOR LASER DEVICE AND DRIVING METHOD OF THE SAME

#146
20120027348
2012-02-02

Optical apparatus for forming a tunable cavity

#147
20120002686
2012-01-05

Process and apparatus for a wavelength tuning source

#148
20110299091
2011-12-08

Method and apparatus for performing optical imaging using frequency-domain interferometry

#149
20110216325
2011-09-08

Methods and apparatus for swept-source optical coherence tomography

#150
20110188523
2011-08-04

Temperature control system for a frequency converted diode laser

#151
20110170110
2011-07-14

Wavelength-tunable light source apparatus

#152
20110155916
2011-06-30

Laser apparatus, driving method of the same and optical tomographic imaging apparatus

#153
20110150026
2011-06-23

SEMICONDUCTOR LASER PUMPED SOLID-STATE LASER DEVICE FOR ENGINE IGNITION

#154
20110142084
2011-06-16

Method and system for stable and tunable high power pulsed laser system

#155
20110134433
2011-06-09

Light source apparatus and image pickup apparatus using the same

#156
20110122895
2011-05-26

Q-switched oscillator seed-source for MOPA laser illuminator method and apparatus

#157
20110101207
2011-05-05

Methods and apparatus for swept-source optical coherence tomography

#158
20110069722
2011-03-24

SWEPT FIBER LASER SOURCE FOR OPTICAL COHERENCE TOMOGRAPHY

#159
20110032957
2011-02-10

Compact multimode laser with rapid wavelength scanning

#160
20100316378
2010-12-16

Laser Source Based On Fabry-Perot Laser Diodes And Seeding Method Using The Same

#161
20100316072
2010-12-16

Methods for stabilizing the output of a pulsed laser system having pulse shaping capabilities

#162
20100309477
2010-12-09

Method and apparatus for performing optical imaging using frequency-domain interferometry

#163
20100303121
2010-12-02

Achieving low phase noise in external cavity laser implemented using planar lightwave circuit technology

#164
20100284435
2010-11-11

Red-Shifted Optical Feedback Laser

#165
20100254414
2010-10-07

Process and apparatus for a wavelength tuning source

#166
20100238966
2010-09-23

LIGHT SOURCE APPARATUS AND PROJECTOR

#167
20100208756
2010-08-19

TUNABLE LASER MODULE BASED ON POLYMER WAVEGUIDES

#168
20100172382
2010-07-08

APPARATUS AND METHOD FOR GENERATING FREQUENCY-VARIABLE SIGNAL

#169
20100119231
2010-05-13

Planar lightwave circuit (PLC) device wavelength tunable light source comprising the same device and wavelength division multiplexing-passive optical network (WDM-PON) using the same light source

#170
20100014545
2010-01-21

Athermal external cavity laser

#171
20090323741
2009-12-31

Digital laser pulse shaping module and system

#172
20090316742
2009-12-24

Semiconductor laser device and driving method of the same

#173
20090310634
2009-12-17

STABILIZED LASER SOURCE WITH VERY HIGH RELATIVE FEEDBACK AND NARROW BANDWIDTH

#174
20090310627
2009-12-17

Laser for providing pulsed light and reflectometric apparatus incorporating such a laser

#175
20090290613
2009-11-26

EXTERNAL CAVITY LASER ASSEMBLY INCLUDING EXTERNAL CHIRPED EXIT REFLECTOR FOR IMPROVED LINEARITY

#176
20090290167
2009-11-26

Optical coherence tomography laser with integrated clock

#177
20090262774
2009-10-22

Sliced fiber bragg grating used as external cavity for semiconductor laser and solid state laser

#178
20090257461
2009-10-15

Process and apparatus for a wavelength tuning source

#179
20090225801
2009-09-10

Semiconductor optical element for external cavity laser

#180
20090204110
2009-08-13

Broadband or mid-infrared fiber light sources

#181
20090196320
2009-08-06

Wavelength converter apparatus

#182
20090097511
2009-04-16

Laser light source and method of operating the same

#183
20090074014
2009-03-19

MODE SELECTION FOR SINGLE FREQUENCY FIBER LASER

#184
20090067459
2009-03-12

Illumination light source device and laser projection device

#185
20090067453
2009-03-12

Laser light source and optical device

#186
20090060526
2009-03-05

Optical FM source based on intra-cavity phase and amplitude modulation in lasers

#187
20090028193
2009-01-29

Broadband or mid-infrared fiber light sources

#188
20090027689
2009-01-29

Method and apparatus for performing optical imaging using frequency-domain interferometry

#189
20090022181
2009-01-22

Optical spectral filtering and dispersion control for wavelength multiplexed laser sources using fiber Bragg gratings

#190
20080297883
2008-12-04

Raman Amplifier Structure

#191
20080291957
2008-11-27

Wavelength tunable laser apparatus and wavelength control method

#192
20080291950
2008-11-27

Optical beam steering for tunable laser applications

#193
20080285037
2008-11-20

Multi-wavelength mode locked laser

#194
20080232410
2008-09-25

Methods, arrangements and apparatus for utilizing a wavelength-swept laser using angular scanning and dispersion procedures

#195
20080231861
2008-09-25

Polarization Maintaining Optical Delay Circuit

#196
20080181263
2008-07-31

Process and apparatus for a wavelength tuning source

#197
20080165366
2008-07-10

Methods and apparatus for swept-source optical coherence tomography

#198
20080123703
2008-05-29

Stabilized Laser Source with Very High Relative Feedback and Narrow Bandwidth

#199
20080086038
2008-04-10

Method for measurement of analyte concentrations and semiconductor laser-pumped, small-cavity fiber lasers for such measurements and other applications

#200
20080049796
2008-02-28

Optical wavelength conversion light source

#201
20070274354
2007-11-29

All-optical 2R regenerator using self-seeded laser diode

#202
20070263676
2007-11-15

System Comprising a Low Phase Noise Waveguide Laser, a Method of Its Manufacturing and Its Use

#203
20070248139
2007-10-25

Multi-channel laser pump source for optical amplifiers

#204
20070230527
2007-10-04

Fundamental-wave light source and wavelength converter

#205
20070223552
2007-09-27

High Efficiency, Wavelength Stabilized Laser Diode Using AWG's And Architecture For Combining Same With Brightness Conservation

#206
20070153859
2007-07-05

Single spatial mode output multi-mode interference laser diode with external cavity

#207
20070133638
2007-06-14

Coherent light source and optical device

#208
20070127538
2007-06-07

Athermal external cavity laser

#209
20070071452
2007-03-29

Optical-fiber wavelength generator, array structure and laser semiconductor device

#210
20060268396
2006-11-30

Semiconductor laser device and optical fiber amplifier

#211
20060244973
2006-11-02

Method and apparatus for performing optical imaging using frequency-domain interferometry

#212
20060215713
2006-09-28

Laser with tilted multi spatial mode resonator tuning element

#213
20060203859
2006-09-14

Compact multimode laser with rapid wavelength scanning

#214
20060198400
2006-09-07

Providing low-coherence light

#215
20060187537
2006-08-24

Mode locking methods and apparatus

#216
20060176922
2006-08-10

Semiconductor laser device

#217
20060133729
2006-06-22

Method for fabricating laser diode having optical fiber Bragg grating as front mirror of external resonator and laser diode fabricated thereby

#218
20060127007
2006-06-15

Optical filtering device and method

#219
20060109877
2006-05-25

External cavity laser with adaptive fiber bragg grating (FBG) for minimizing noise related to stimulated brillouin scattering (SBS) in dispersive fiber links

#220
20060109875
2006-05-25

Depolarized laser diode module and depolarized laser diode light source

#221
20060039418
2006-02-23

Wavelength locked fiber-coupled diode-laser bar

#222
20060023999
2006-02-02

Manufacturing of optical devices including bragg gratings

#223
20050286571
2005-12-29

Tunable spectroscopic source with power stability and method of operation

#224
20050281308
2005-12-22

External cavity dual wavelength laser system

#225
20050265416
2005-12-01

Wavelength stabilized laser

#226
20050265403
2005-12-01

Tunable laser having liquid crystal waveguide

#227
20050220403
2005-10-06

Coupling high power optical sources to small diameter fibers

#228
20050220163
2005-10-06

External resonator and semiconductor laser module using the same

#229
20050207454
2005-09-22

Wavelength stabilized diode-laser array

#230
20050185681
2005-08-25

Continuously tunable coupled opto-electronic oscillators having balanced opto-electronic filters

#231
20050175059
2005-08-11

Feedback stabilized multimode and method of stabilizing a multimode laser

#232
20050163171
2005-07-28

Wavelength reconfigurable laser transmitter tuned via the resonance passbands of a tunable microresonator

#233
20050129361
2005-06-16

Ultrahigh-frequency light source using dual-wavelength laser with 3-dB beam splitter and method of manufacturing the same

#234
20050129072
2005-06-16

Optical beam steering for tunable laser applications

#235
20050123012
2005-06-09

Laser module

#236
20050111512
2005-05-26

Apparatus for generating and transmitting laser light

#237
20050105084
2005-05-19

Spectroscopic apparatus using spectrum narrowed and stabilized laser with Bragg grating

#238
20050100075
2005-05-12

Ultra-compact, low cost high powered laser system

#239
20050053101
2005-03-10

Mode selection for single frequency fiber laser

#240
20050046928
2005-03-03

Multi-channel laser pump source for optical amplifiers

#241
20050035295
2005-02-17

Process and apparatus for a wavelength tuning source

#242
20050030540
2005-02-10

Optical spectroscopy apparatus and method for measurement of analyte concentrations or other such species in a specimen employing a semiconductor laser-pumped, small-cavity fiber laser

#243
20050018741
2005-01-27

DFB laser with ar coating selected to provide wide temperature range of operation

#244
20050018727
2005-01-27

Semiconductor laser device, semiconductor laser module, and Raman amplifier using the device or module

#245
20050007657
2005-01-13

Semiconductor laser device and optical fiber amplifier

#246
20050007647
2005-01-13

Opto-electronic device with an integrated light deflector and wavelength tunable external cavity laser using the same

#247
17185472
2023-12-19

Integration of optical gain subassembly with silicon photonics

#248
16246820
2019-10-22

Ultra-low noise, highly stable single-mode operation, high power, Bragg grating based semiconductor laser

#249
16156372
2019-10-22

Method of forming a fiber Bragg grating in a pre-assembled laser module

#250
16038927
2019-09-17

Semiconductor laser with intra-cavity electro-optic modulator

#251
15967405
2019-07-02

Laser system for atomic clocks and sensors

#252
15938398
2020-07-14

Carrier sweep-out in a tunable laser

#253
14535169
2016-10-25

Semiconductor external cavity laser with integrated planar waveguide bragg grating and wide-bandwidth frequency modulation