ClassID:

215947

H01S5/1092 - 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 Multi-wavelength lasing

Sub-classes:
Recent Application in this class:
#1
20260123619
2026-05-07

PEST CONTROL APPARATUS

#2
20250372950
2025-12-04

MULTI-WAVELENGTH DISTRIBUTED FEEDBACK LASER

#3
20250246873
2025-07-31

OPTOELECTRONIC MODULE AND METHOD FOR PRODUCING AN OPTOELECTRONIC MODULE

#4
20250202199
2025-06-19

EXTERNAL CAVITY LASER WITH MULTIPLE MATERIALS MICRO-RING REFLECTORS

#5
20240297480
2024-09-05

BICHROMATIC LASER FREQUENCY STABILIZATION SYSTEM AND METHOD BASED ON DIFFERENTIAL DETECTION OF COEXISTING LAMB-DIPS AND LAMB-PEAKS WITH MULTIPLE INTERACTIONS

#6
20240272281
2024-08-15

OPTICAL SENSOR ARRANGEMENT

#7
20240183955
2024-06-06

TIME-OF-FLIGHT SYSTEM AND TIME-OF-FLIGHT METHODS

#8
20240085325
2024-03-14

Multi-wavelength laser inspection

#9
20240039241
2024-02-01

SYSTEMS AND METHODS FOR MICRODISK AND MULTIPLET LASER PARTICLES

#10
20240022044
2024-01-18

Semiconductor Laser and Method of Producing a Semiconductor Laser

#11
20230238780
2023-07-27

LIGHT-EMITTING DEVICE AND LIGHT-EMITTING SYSTEM

#12
20230059013
2023-02-23

LIGHT SOURCE MODULE

#13
20220187681
2022-06-16

Light source with optical frequency mixing

#14
20220178823
2022-06-09

Multi-wavelength laser inspection

#15
20210376558
2021-12-02

Semiconductor optical integrated device

#16
20210226418
2021-07-22

Multi-wavelength laser

#17
20210126421
2021-04-29

Wavelength tunable light source, optical transmission apparatus using the same, and method of controlling wavelength tunable light source

#18
20200313389
2020-10-01

Laser device and method of transforming laser spectrum

#19
20200300759
2020-09-24

Multi-wavelength laser inspection

#20
20200295537
2020-09-17

Discrete wavelength tunable laser

#21
20200274325
2020-08-27

Limited range source of electromagnetic radiation

#22
20200244044
2020-07-30

Light frequency up-conversion of laser light, for producing green or yellow light

#23
20200227891
2020-07-16

Widely tunable short-cavity laser

#24
20200136350
2020-04-30

Tuning a multi-channel optical transmission system

#25
20200067273
2020-02-27

Multi-wavelength semiconductor lasers

#26
20200064189
2020-02-27

Diagnostic system with broadband light source

#27
20200033460
2020-01-30

Multifrequency ocean lidar power optimizer

#28
20200006919
2020-01-02

Bloch mirror resonator and distributed feedback laser using same

#29
20190369023
2019-12-05

Multi-wavelength laser inspection

#30
20190363519
2019-11-28

Exchangeable laser resonator modules with angular adjustment

#31
20190348810
2019-11-14

Multi-wavelength light source and optical module using the same

#32
20190341744
2019-11-07

External cavity laser using vertical-cavity surface-emitting laser and silicon optical element

#33
20190207367
2019-07-04

Tuneable DBR laser without external frequency locker

#34
20190157842
2019-05-23

Light emitting element

#35
20190131769
2019-05-02

Laser power adjustment during tuning to compensate for detector response and varying background absorption

#36
20190107389
2019-04-11

Computationally efficient structured light imaging system

#37
20190103719
2019-04-04

Laser

#38
20190089132
2019-03-21

Tunable laser for coherent transmission system

#39
20190058306
2019-02-21

Efficient Wavelength Tunable Hybrid Laser

#40
20190056266
2019-02-21

Spectroscopy system with laser and pulsed output beam

#41
20190036305
2019-01-31

Stable linewidth narrowing of a coherent comb laser

#42
20190036304
2019-01-31

Stable linewidth narrowing of a coherent comb laser

#43
20190013869
2019-01-10

Frequency alignment of optical frequency combs

#44
20180302167
2018-10-18

Increasing fabry-perot cavity free spectral range in hybrid lasers

#45
20180261978
2018-09-13

Multi-wavelength semiconductor lasers

#46
20180261976
2018-09-13

Semiconductor laser source

#47
20180254608
2018-09-06

Spectrally shaped tunable short-cavity laser

#48
20180226767
2018-08-09

Tunable laser device

#49
20180212402
2018-07-26

Light emitting element

#50
20180191136
2018-07-05

Three-color light source

#51
20180131160
2018-05-10

System and method of reducing speckle for an illuminator

#52
20170336258
2017-11-23

Mid-infrared super-continuum laser

#53
20170310083
2017-10-26

Tunable laser and method for tuning a lasing mode

#54
20170294760
2017-10-12

Hybrid optical source with optical proximity coupling provided by an external reflector

#55
20170207606
2017-07-20

Three-color light source

#56
20170063038
2017-03-02

Quantum cascade laser

#57
20170033533
2017-02-02

Light emitting element

#58
20160372890
2016-12-22

System and method for creating and utilizing multivariate paths for ongoing simultaneous multi-dimensional control to attain single mode sweep operation in an electromagnetic radiation source

#59
20160363482
2016-12-15

Broadband or mid-infrared fiber light sources

#60
20160336718
2016-11-17

Multi-wavelength laser light source and wavelength multiplexing communication system

#61
20160233642
2016-08-11

Wavelength-tunable light source and wavelength-tunable light source module

#62
20160190765
2016-06-30

Variable-wavelength light source

#63
20160156415
2016-06-02

Multi-channel tunable laser

#64
20160156153
2016-06-02

Generating terahertz frequency combs from quantum cascade lasers using nonlinear frequency mixing

#65
20160094013
2016-03-31

Semiconductor laser diode with integrated heating region

#66
20160087404
2016-03-24

Laser light source

#67
20160079735
2016-03-17

Laser comb generator

#68
20160079734
2016-03-17

Laser light source

#69
20160079733
2016-03-17

Laser light source

#70
20160010971
2016-01-14

Broadband or mid-infrared fiber light sources

#71
20160006509
2016-01-07

Optical modulator

#72
20150349485
2015-12-03

System and method to compensate for frequency distortions and polarization induced effects in optical systems

#73
20150323743
2015-11-12

Single laser multi-frequency transmitter

#74
20150288139
2015-10-08

DUAL WAVELENGTH LASING DEVICE

#75
20150247756
2015-09-03

Broadband or mid-infrared fiber light sources

#76
20150211929
2015-07-30

External cavity laser source

#77
20150192714
2015-07-09

Resonator-enhanced optoelectronic devices and methods of making same

#78
20150188291
2015-07-02

High density laser optics

#79
20150162722
2015-06-11

Laser light source and method for producing a laser light source

#80
20150078751
2015-03-19

Tunable laser with multiple in-line sections including sampled gratings

#81
20150029466
2015-01-29

Light source apparatus that irradiates a phosphor layer with excitation light and projector

#82
20150015953
2015-01-15

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

#83
20150008344
2015-01-08

Broadband or mid-infrared fiber light sources

#84
20140376580
2014-12-25

High density laser optics

#85
20140341244
2014-11-20

System and method for creating and utilizing multivariate paths for ongoing simultaneous multi-dimensional control to attain single mode sweep operation in an electromagnetic radiation source

#86
20140154822
2014-06-05

Method of manufacturing frequency tunable terahertz transceiver

#87
20140055845
2014-02-27

Resonator-enhanced optoelectronic devices and methods of making same

#88
20120257645
2012-10-11

Beat signal generating device for use in a Terahertz system, Terahertz system and use of a beat signal generating device

#89
20120252146
2012-10-04

Photonic quantum ring laser and fabrication method thereof

#90
20120239013
2012-09-20

Broadband or mid-infrared fiber light sources

#91
20120206725
2012-08-16

External cavity laser source

#92
20120147907
2012-06-14

Terahertz wave generator

#93
20120068090
2012-03-22

Frequency tunable terahertz transceivers and method of manufacturing dual wavelength laser

#94
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

#95
20110188530
2011-08-04

Laser light source and method for producing a laser light source

#96
20110158270
2011-06-30

Tunable Quantum Cascade Lasers And Photoacoustic Detection Of Trace Gases, TNT, TATP and Precursors Acetone And Hydrogen Peroxide

#97
20110150018
2011-06-23

Laser device

#98
20110103416
2011-05-05

Tunable Quantum Cascade Lasers and Photoacoustic Detection of Trace Gases, TNT, TATP and Precursors Acetone and Hydrogen Peroxide

#99
20110103412
2011-05-05

Tunable Quantum Cascade Lasers and Photoacoustic Detection of Trace Gases, TNT, TATP and Precursors Acetone and Hydrogen Peroxide

#100
20110103411
2011-05-05

Tunable Quantum Cascade Lasers and Photoacoustic Detection of Trace Gases, TNT, TATP and Precursors Acetone and Hydrogen Peroxide

#101
20110102788
2011-05-05

Tunable Quantum Cascade Lasers and Photoacoustic Detection of Trace Gases, TNT, TATP and Precursors Acetone and Hydrogen Peroxide

#102
20100265977
2010-10-21

PHOTONIC QUANTUM RING LASER AND FABRICATION METHOD THEREOF

#103
20100215070
2010-08-26

Optical device

#104
20100172382
2010-07-08

APPARATUS AND METHOD FOR GENERATING FREQUENCY-VARIABLE SIGNAL

#105
20100142567
2010-06-10

Tunable laser

#106
20090323751
2009-12-31

Method and device for using optical feedback to overcome bandwidth limitations caused by relaxation oscillation in vertical cavity surface emitting lasers (VCSELs)

#107
20090204110
2009-08-13

Broadband or mid-infrared fiber light sources

#108
20090028193
2009-01-29

Broadband or mid-infrared fiber light sources

#109
20080310013
2008-12-18

Semiconductor optical amplifier pulse reshaper

#110
20080159341
2008-07-03

Tunable quantum cascade lasers and photoacoustic detection of trace gases, TNT, TATP and precursors acetone and hydrogen peroxide

#111
20080037608
2008-02-14

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

#112
20070153365
2007-07-05

Semiconductor optical amplifier pulse reshaper

#113
20060258026
2006-11-16

Multi-wavelength semiconductor laser device and its manufacturing method

#114
20060083272
2006-04-20

Broadband light source and method for fabricating the same

#115
20050243882
2005-11-03

DUAL-WAVELENGTH SEMICONDUCTOR LASER

#116
20050207464
2005-09-22

Grating-stabilized semiconductor laser

#117
20050153473
2005-07-14

Method for forming a modified semiconductor having a plurality of band gaps

#118
20050105575
2005-05-19

Multi-channel light source and multi-channel optical module using the same

#119
20050047727
2005-03-03

Low noise multi-wavelength light source and wavelength division multiplexing system using same

#120
16436009
2020-12-15

System and method for traversing multivariate paths using multi-dimensional control of an electromagnetic radiation source

#121
16156372
2019-10-22

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

#122
15803118
2019-07-16

System and method for traversing multivariate paths using multi-dimensional control of an electromagnetic radiation source

#123
15464459
2018-07-31

Hybrid mode-locked laser with tunable number of comb lines

#124
15425889
2018-01-16

Mode-hop-free hybrid external-cavity laser with passive thermo-optic coefficient compensation

#125
15419859
2018-01-23

Wavelength tunable external cavity quantum cascade laser utilizing an angle tuned immersion grating as a wavelength selective filter element

#126
15357418
2017-10-03

Fast wavelength-tunable hybrid laser with a single-channel gain medium

#127
15341691
2017-09-19

Scalable fast tunable Si-assisted hybrid laser with redundancy

#128
15341675
2017-10-03

Fast tunable hybrid laser with a silicon-photonic switch

#129
13831334
2015-06-16

Optical modulator