ClassID:

215899

H01S5/06258 - CPC Classification

Classification description:

Semiconductor lasers; Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in multi-section lasers; Controlling the frequency of the radiation with DFB-structure

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

SEMICONDUCTOR LASER ELEMENT AND METHOD OF MANUFACTURING SAME

#2
20250202193
2025-06-19

CAVITY DESIGN FOR MULTI-WAVELENGTH LASERS

#3
20250125581
2025-04-17

HETEROGENEOUSLY INTEGRATED DFB LASER WITH SINGLE LATERAL MODE

#4
20250023331
2025-01-16

SEMICONDUCTOR LASER

#5
20240429681
2024-12-26

SILICON PHOTONICS DISTRIBUTED REFLECTOR LASER

#6
20240047939
2024-02-08

BANDWITH ENHANCED DFB+R LITE LASER

#7
20240030683
2024-01-25

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

#8
20240022042
2024-01-18

SEMICONDUCTOR LASER FOR PREVENTING HOLE BURNING EFFECT

#9
20230208100
2023-06-29

Negative bias to improve phase noise

#10
20220140569
2022-05-05

DFB WITH WEAK OPTICAL FEEDBACK

#11
20220102939
2022-03-31

Directly modulated laser

#12
20210360338
2021-11-18

Intelligent subsystem in a access networks

#13
20210360337
2021-11-18

Intelligent subsystem in access networks

#14
20210288463
2021-09-16

Laser device

#15
20210281934
2021-09-09

Intelligent subsystem

#16
20210258666
2021-08-19

Intelligent subsystem

#17
20210258664
2021-08-19

Intelligent subsystem in access networks

#18
20210257806
2021-08-19

Acousto-optic tuning of lasers

#19
20210227305
2021-07-22

Intelligent subsystem

#20
20210227304
2021-07-22

Intelligent subsystem

#21
20210227303
2021-07-22

Intelligent subsystem

#22
20210184427
2021-06-17

Semiconductor laser

#23
20210098969
2021-04-01

Two-kappa DBR laser

#24
20210098967
2021-04-01

DFB with weak optical feedback

#25
20210083456
2021-03-18

Photonic circuit with hybrid III-V on silicon active section with inverted silicon taper

#26
20210036485
2021-02-04

Semiconductor optical device

#27
20210006037
2021-01-07

Semiconductor laser

#28
20200412092
2020-12-31

INP-based monolithic integrated chaotic semiconductor laser chip capable of feeding back randomly diffused light

#29
20200374608
2020-11-26

Intelligent subsystem

#30
20200296490
2020-09-17

Intelligent subsystem

#31
20200296489
2020-09-17

Intelligent subsystem

#32
20200288223
2020-09-10

Intelligent subsystem in access networks

#33
20200244031
2020-07-30

Acousto-optic tuning of lasers

#34
20200227894
2020-07-16

Method for producing a light source and light source

#35
20200083671
2020-03-12

Optical semiconductor device

#36
20200044415
2020-02-06

Distributed reflector laser

#37
20200044414
2020-02-06

OPTICAL TRANSMITTER, OPTICAL TRANSCEIVER, AND METHOD OF MANUFACTURING OPTICAL TRANSMITTER

#38
20200006917
2020-01-02

Method of evaluating initial parameters and target values for feedback control loop of wavelength tunable system

#39
20200006916
2020-01-02

Method for tuning emission wavelength of laser device

#40
20190394545
2019-12-26

Intelligent subsystem

#41
20190373347
2019-12-05

Intelligent subsystem in access networks

#42
20190326729
2019-10-24

Method for fabricating an elctro-absorption modulated laser and electro-absorption modulated laser

#43
20190221998
2019-07-18

Wavelength tunable laser module and method of controlling wavelength thereof

#44
20190207360
2019-07-04

Acousto-optic tuning of lasers

#45
20190165544
2019-05-30

Semiconductor laser device

#46
20190140422
2019-05-09

Distributed reflector laser

#47
20190124426
2019-04-25

Intelligent subsystem in access networks

#48
20190097385
2019-03-28

Wavelength-stabilized semiconductor laser source

#49
20180287343
2018-10-04

Laser with sampled grating distributed bragg reflector

#50
20180233879
2018-08-16

Optical module implementing with optical source, optical modulator, and wavelength detector, and a method to assemble the same

#51
20180212400
2018-07-26

Process of forming epitaxial substrate and semiconductor optical device

#52
20180183207
2018-06-28

Vernier effect DBR lasers incorporating integrated tuning elements

#53
20180123696
2018-05-03

Method of controlling semiconductor optical device that includes semiconductor optical amplifier

#54
20180069374
2018-03-08

Terahertz quantum cascade laser device

#55
20180067341
2018-03-08

High-frequency transmission line and optical circuit

#56
20180048117
2018-02-15

Method to tune emission wavelength of wavelength tunable laser apparatus and laser apparatus

#57
20180041006
2018-02-08

Modulated laser source and methods of its fabrication and operation

#58
20180013264
2018-01-11

Method of evaluating initial parameters and target values for feedback control loop of wavelength tunable system

#59
20170358901
2017-12-14

Optoelectronic component for generating and radiating a microwave-frequency signal

#60
20170336581
2017-11-23

Optical module implementing with optical source, optical modulator, and wavelength detector, and a method to assemble the same

#61
20170272847
2017-09-21

Intelligent subsystem in access networks

#62
20170256912
2017-09-07

Distributed reflector laser

#63
20170229839
2017-08-10

Optical module implementing with optical source, optical modulator, and wavelength detector, and a method to assemble the same

#64
20170227724
2017-08-10

Optical module implementing with optical source, optical modulator, and wavelength detector, and a method to assemble the same

#65
20170194766
2017-07-06

OPTICAL DEVICE AND OPTICAL MODULE

#66
20170194765
2017-07-06

Monolithical widely tunable quantum cascade laser devices

#67
20170170631
2017-06-15

Tunable laser device

#68
20170070032
2017-03-09

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

#69
20170006363
2017-01-05

Dynamic intelligent bidirectional optical access communication system with object/intelligent appliance-to-object/intelligent appliance interaction

#70
20160352072
2016-12-01

MONOLITHIC TUNABLE TERAHERTZ RADIATION SOURCE USING NONLINEAR FREQUENCY MIXING IN QUANTUM CASCADE LASERS

#71
20160336719
2016-11-17

INTEGRATED SEMICONDUCTOR LASER DEVICE AND SEMICONDUCTOR LASER MODULE

#72
20160329683
2016-11-10

Method of controlling wavelength tunable laser, control data structure of wavelength tunable laser, and wavelength tunable laser

#73
20160277117
2016-09-22

Tunable laser including parallel lasing cavities with a common output

#74
20160276803
2016-09-22

Optical transmitter emitting light with narrowed linewidth

#75
20160268772
2016-09-15

Monolithic wide wavelength tunable mid-IR laser sources

#76
20160126700
2016-05-05

Process for forming semiconductor laser diode implemented with sampled grating

#77
20160079732
2016-03-17

Method for controlling wavelength-tunable laser

#78
20160064897
2016-03-03

Semiconductor laser

#79
20160056604
2016-02-25

Method to tune emission wavelength of wavelength tunable laser apparatus and laser apparatus

#80
20160036199
2016-02-04

Method to determine operating conditions of wavelength tunable laser diode and to control optical transmitter providing wavelength tunable laser diode

#81
20160006212
2016-01-07

Laser apparatus and method to re-tune emission wavelength tunable LD

#82
20150270685
2015-09-24

Monolithic wide wavelength tunable mid-IR laser sources

#83
20150222078
2015-08-06

Method for switching output wavelength of tunable wavelength laser, method for switching wavelength of tunable wavelength laser, and tunable wavelength laser device

#84
20150188284
2015-07-02

Method for controlling wavelength tunable laser

#85
20150117482
2015-04-30

Method for controlling wavelength tunable laser

#86
20150117479
2015-04-30

Method for controlling wavelength tunable laser

#87
20150117478
2015-04-30

Method for testing tunable wavelength laser device and tunable wavelength laser device

#88
20150103853
2015-04-16

Semiconductor laser module

#89
20150092799
2015-04-02

Optical semiconductor device and method of fabricating the same

#90
20150078751
2015-03-19

Tunable laser with multiple in-line sections including sampled gratings

#91
20150063384
2015-03-05

Method for controlling tunable wavelength laser

#92
20150063383
2015-03-05

Method for controlling tunable wavelength laser

#93
20150036705
2015-02-05

Method for controlling wavelength-tunable laser

#94
20150010264
2015-01-08

Optical semiconductor device

#95
20140369369
2014-12-18

Apparatus for output light with wavelength tunable function and method to determine oscillation wavelength of wavelength tunable laser diode

#96
20140294031
2014-10-02

Optical device and optical module

#97
20140154822
2014-06-05

Method of manufacturing frequency tunable terahertz transceiver

#98
20140036948
2014-02-06

Optical semiconductor device and method of manufacturing the same

#99
20140036940
2014-02-06

Method of controlling wavelength tunable laser, control data structure of wavelength tunable laser, and wavelength tunable laser

#100
20130308666
2013-11-21

Semiconductor laser

#101
20130240737
2013-09-19

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

#102
20130156052
2013-06-20

Methods and apparatus for temperature tuning of semiconductor lasers

#103
20130148675
2013-06-13

Laser diode for controlling spatial hole burning and optical pulse generating method

#104
20130094528
2013-04-18

Method to control emission wavelength of tunable laser diode

#105
20130070795
2013-03-21

METHOD TO SWITCH EMISSION WAVELENGTH OF TUNABLE LASER DIODE

#106
20130055545
2013-03-07

Method to assemble optical devices with optically interfering device

#107
20130039370
2013-02-14

Method of controlling wavelength-tunable laser

#108
20130010821
2013-01-10

LASER SYSTEM

#109
20130003767
2013-01-03

Semiconductor laser device and circuit for and method of driving same

#110
20130003762
2013-01-03

Wavelength tunable laser diode

#111
20120301156
2012-11-29

OPTICAL TRANSMITTER SUBASSEMBLY

#112
20120300198
2012-11-29

Frequency stabilized laser system

#113
20120257645
2012-10-11

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

#114
20120147907
2012-06-14

Terahertz wave generator

#115
20120097984
2012-04-26

Optical semiconductor device, laser chip and laser module

#116
20120068090
2012-03-22

Frequency tunable terahertz transceivers and method of manufacturing dual wavelength laser

#117
20120051386
2012-03-01

Dual mode semiconductor laser and terahertz wave apparatus using the same

#118
20110292960
2011-12-01

WAVELENGTH TUNABLE SEMICONDUCTOR LASER

#119
20110292955
2011-12-01

Tunable semiconductor laser diode

#120
20110249936
2011-10-13

Transmitter photonic integrated circuit (TxPIC) chip

#121
20110235660
2011-09-29

Driver circuit for tunable LD

#122
20110228800
2011-09-22

Method for tuning semiconductor laser

#123
20110200062
2011-08-18

Method of controlling wavelength-tunable laser

#124
20110158653
2011-06-30

Dynamic intelligent bidirectional optical access communication system with object/intelligent appliance-to-object/intelligent appliance interaction

#125
20110116524
2011-05-19

Semiconductor laser device and method for controlling semiconductor laser

#126
20110096804
2011-04-28

Optical semiconductor device and method of controlling the same

#127
20110090932
2011-04-21

Multiple distributed feedback laser devices

#128
20110008039
2011-01-13

Forward error correction (FEC) enabled photonic integrated circuit (PIC) chips with multiple signal channels

#129
20100272133
2010-10-28

Wavelength tunable laser

#130
20100265980
2010-10-21

Semiconductor laser

#131
20100260220
2010-10-14

Semiconductor laser device and circuit for and method of driving same

#132
20100254422
2010-10-07

Semiconductor laser

#133
20100150579
2010-06-17

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

#134
20100142571
2010-06-10

Multiple distributed feedback laser devices

#135
20100092175
2010-04-15

Reflective semiconductor optical amplifier and optical signal processing method using the same

#136
20100091805
2010-04-15

OPTICAL SEMICONDUCTOR ELEMENT AND OPTICAL SEMICONDUCTOR DEVICE

#137
20100061414
2010-03-11

Optical semiconductor device and driving method thereof

#138
20100040101
2010-02-18

Semiconductor laser with heater

#139
20100034224
2010-02-11

Tunable laser module, tunable laser apparatus and controlling method for tunable laser

#140
20100020840
2010-01-28

Optical semiconductor device

#141
20090296753
2009-12-03

Semiconductor laser and optical integrated semiconductor device

#142
20090279828
2009-11-12

Wavelength locking and power control systems for multi-channel photonic integrated circuits (PICs)

#143
20090256638
2009-10-15

Atomic frequency standard based on enhanced modulation efficiency semiconductor lasers

#144
20090238219
2009-09-24

OPTICAL MODULE

#145
20090202196
2009-08-13

Method of tuning optical components integrated in a monolithic photonic integrated circuit (PIC)

#146
20090201964
2009-08-13

Semiconductor laser optical integrated semiconductor device

#147
20090103585
2009-04-23

Optical semiconductor element and optical semiconductor device

#148
20090086206
2009-04-02

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

#149
20090067459
2009-03-12

Illumination light source device and laser projection device

#150
20090059988
2009-03-05

Semiconductor laser and semiconductor optical integrated device

#151
20090022186
2009-01-22

Method of controlling semiconductor laser

#152
20090010288
2009-01-08

Fiber MOPA system without stimulated brillouin scattering

#153
20080247707
2008-10-09

Optical semiconductor device and method of controlling the same

#154
20080240180
2008-10-02

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

#155
20080112445
2008-05-15

Distributed feedback laser with improved optical field uniformity and mode stability

#156
20080063407
2008-03-13

Digital optical network architecture

#157
20080043786
2008-02-21

Tunable light source for use in microscopy

#158
20080037608
2008-02-14

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

#159
20070248299
2007-10-25

Monolithic transmitter photonic integrated circuit (TxPIC) semiconductor chip

#160
20070242919
2007-10-18

Monolithic transmitter photonic integrated circuit (TxPIC) with integrated optical components in circuit signal channels

#161
20070242918
2007-10-18

Transmitter photonic integrated circuits (TXPICS) with directly modulated lasers and wavelength selective combiners

#162
20070230523
2007-10-04

Optical semiconductor device, laser chip and laser module

#163
20070230522
2007-10-04

Optical semiconductor device

#164
20070228551
2007-10-04

Optical semiconductor element and optical semiconductor device

#165
20070228550
2007-10-04

Optical Semiconductor device

#166
20070183738
2007-08-09

Monolithic photonic integrated circuit (PIC) with forward error correction (FEC)

#167
20070172169
2007-07-26

Method of tuning optical components integrated in a monolithic photonic integrated circuit (PIC)

#168
20070122148
2007-05-31

Method of monitoring and controlling the bit error rate (BER) in an optical communication network

#169
20070092177
2007-04-26

Wavelength locking and power control systems for multi-channel photonic integrated circuits (PICS)

#170
20070019901
2007-01-25

Method tuning optical components integrated in a monolithic photonic integrated circuit (PIC)

#171
20070014509
2007-01-18

Optical transmitter

#172
20060228067
2006-10-12

Method of manufacturing and apparatus for a transmitter photonic integrated circuit (TXPIC) chip

#173
20060222033
2006-10-05

Optical semiconductor device and driving method thereof

#174
20060209911
2006-09-21

Tunable laser

#175
20060182441
2006-08-17

Method and apparatus of monitoring and controlling the emission wavelengths of a plurality of laser sources integrated on the same chip or in the same photonic integrated circuit (PIC)

#176
20060088066
2006-04-27

Q-modulated semiconductor laser

#177
20060067619
2006-03-30

Optical transport network

#178
20060062519
2006-03-23

Monolithic photonic integrated circuit (PIC) CHIP

#179
20060023992
2006-02-02

Method of in-wafer testing of monolithic photonic integrated circuits (PICs) formed in a semiconductor wafer

#180
20060018666
2006-01-26

Adiabatically frequency modulated source

#181
20050286909
2005-12-29

Optical transmitter

#182
20050276613
2005-12-15

FEC enhanced system for an optical communication network

#183
20050213883
2005-09-29

Method of optimizing optical channel signal demultiplexing in a monolithic receiver photonic integrated circuit (RxPIC)

#184
20050207696
2005-09-22

Compact, cost-effective optical-electrical-optical (OEO) converter for an optical transmission network

#185
20050201669
2005-09-15

Optical transport network

#186
20050152422
2005-07-14

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

#187
20050135778
2005-06-23

Method of providing wider window margin in an eye diagram of a received signal in a transmission system

#188
20050135731
2005-06-23

Optical receiver photonic integrated circuit (RxPIC) system

#189
20050135730
2005-06-23

Method of monitoring and controlling the bit error rate (BER) in an optical communication network

#190
20050135729
2005-06-23

Optical transmission network with a receiver photonic integrated circuit (RxPIC) utilizing an optical service chanel (OSC)

#191
20050129350
2005-06-16

Optical transmission network with transmitter photonic integrated circuit (TxPIC) utilizing an optical service channel (OSC)

#192
20050100345
2005-05-12

Monolithic transmitter/receiver photonic integrated circuit (Tx/RxPIC) transceiver chip

#193
20050094927
2005-05-05

Probe card for testing in-wafer photonic integrated circuits (PICs) and method of use

#194
20050094926
2005-05-05

Method of calibrating a monolithic transmitter photonic integrated circuit (TXPIC) chip

#195
20050094925
2005-05-05

Method of in-wafer testing of monolithic photonic integrated circuits (PICs) formed in a semiconductor wafer

#196
20050084202
2005-04-21

Monitoring of a laser source with front and rear output photodetectors to determine frontal laser power and power changes over laser lifetime

#197
20050078724
2005-04-14

Single mode distributed feedback lasers

#198
20050063636
2005-03-24

Method and apparatus for providing an antireflection coating on the output facet of a photonic integrated circuit (PIC) chip

#199
20050025409
2005-02-03

Submount for a photonic integrated circuit (PIC) chip

#200
20050020283
2005-01-27

Positional data recording

#201
20050018727
2005-01-27

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

#202
20050018721
2005-01-27

Method of operating an array of laser sources integrated in a monolithic chip or in a photonic integrated circuit (PIC)

#203
20050018720
2005-01-27

Apparatus and method for tuning a laser source emission wavelength employing a laser source contact comprising electrode segments

#204
20050014300
2005-01-20

Optical probe and method of testing employing an interrogation beam or optical pickup

#205
20050013332
2005-01-20

Method and apparatus of monitoring and controlling the emission wavelengths of a plurality of laser sources integrated on the same chip or in the same photonic integrated circuit (PIC)

#206
20050013331
2005-01-20

Method of tuning integrated laser sources with integrated wavelength tuning elements on the same substrate or in a monolithic photonic integrated circuit (PIC)

#207
20050013330
2005-01-20

Method of tuning optical components integrated on a monolithic chip

#208
15466323
2018-04-10

Hybrid III-V on silicon laser device with transverse mode filter

#209
15080529
2017-04-04

Low-power, direct-drive driver circuit for driving an externally modulated laser (EML), and methods