ClassID:

215958

H01S5/1228 - 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 DFB lasers with a complex coupled grating, e.g. gain or loss coupling

Recent Application in this class:
#1
20250202193
2025-06-19

CAVITY DESIGN FOR MULTI-WAVELENGTH LASERS

#2
20250167524
2025-05-22

QUANTUM DOT DISTRIBUTED REFLECTOR LASER

#3
20250132538
2025-04-24

DISTRIBUTED FEEDBACK SEMICONDUCTOR LASER ASSEMBLY

#4
20250047068
2025-02-06

DISTRIBUTED FEEDBACK LASERS AND METHODS FOR FABRICATING SUCH LASERS

#5
20250023331
2025-01-16

SEMICONDUCTOR LASER

#6
20240413614
2024-12-12

MANUFACTURABLE GALLIUM AND NITROGEN CONTAINING COUPLED WAVEGUIDE DEVICES

#7
20240097404
2024-03-21

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

#8
20240006848
2024-01-04

Optical Semiconductor Device

#9
20230307888
2023-09-28

DISTRIBUTED FEEDBACK LASER WITH COMPLEX COUPLING

#10
20230216274
2023-07-06

RIDGE-SHAPED LASER STRUCTURE AND SURFACE ETCHED GRATING SEMICONDUCTOR LASER WITH PERIODIC PUMPING

#11
20220393432
2022-12-08

BRAGG GRATING AND METHOD FOR MANUFACTURING THE SAME AND DISTRIBUTED FEEDBACK LASER DEVICE

#12
20220271504
2022-08-25

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

#13
20220221715
2022-07-14

Synthesized aperiodic gratings and method of manufacture

#14
20220206226
2022-06-30

Semiconductor optical device and method for manufacturing the same

#15
20220158412
2022-05-19

Semiconductor optical device and method for manufacturing the same

#16
20220045482
2022-02-10

Or relating to a distributed feedback laser device for photonics integrated cirtuit and a method of manufacture

#17
20210408764
2021-12-30

LASER DIODE AND METHOD FOR PRODUCING LASER RADIATION OF AT LEAST TWO FREQUENCIES

#18
20210391692
2021-12-16

INDEX AND GAIN COUPLED DISTRIBUTED FEEDBACK LASER

#19
20200403375
2020-12-24

Index and gain coupled distributed feedback laser

#20
20200203919
2020-06-25

Monolithic integrated semiconductor random laser

#21
20200153200
2020-05-14

Continuous-wave pumped polymer laser and preparation method thereof

#22
20200083668
2020-03-12

GUIDE TRANSITION DEVICE WITH DIGITAL GRATING DEFLECTORS AND METHOD

#23
20190326729
2019-10-24

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

#24
20190319427
2019-10-17

Single facet laser sources

#25
20190148913
2019-05-16

Guide transition device with digital grating deflectors and method

#26
20190115717
2019-04-18

Structure and fabricating method of distributed feedback laser

#27
20180261977
2018-09-13

ORBITAL ANGULAR MOMENTUM MICROLASER AND METHOD

#28
20180231807
2018-08-16

Dual-use laser source comprising a cascaded array of hybrid distributed feedback lasers

#29
20180183212
2018-06-28

Laser devices

#30
20170170633
2017-06-15

Method for producing quantum cascade laser and quantum cascade laser

#31
20170170631
2017-06-15

Tunable laser device

#32
20170141540
2017-05-18

Optical semiconductor apparatus

#33
20160380407
2016-12-29

Asymmetric optical waveguide grating resonators and DBR lasers

#34
20160268772
2016-09-15

Monolithic wide wavelength tunable mid-IR laser sources

#35
20160233645
2016-08-11

Combined Gain-SOA chip

#36
20160211645
2016-07-21

Semiconductor laser apparatus and manufacturing method thereof

#37
20160164249
2016-06-09

SEMICONDUCTOR LASER DIODE AND LASER ARRAY IMPLEMENTING THE SAME

#38
20150270685
2015-09-24

Monolithic wide wavelength tunable mid-IR laser sources

#39
20140294031
2014-10-02

Optical device and optical module

#40
20140219306
2014-08-07

Multicolor photonic crystal laser array

#41
20140198815
2014-07-17

Laser device

#42
20140133506
2014-05-15

Distributed feedback surface emitting laser

#43
20140133505
2014-05-15

Edge-emitting semiconductor laser

#44
20140029634
2014-01-30

Semiconductor microtube lasers

#45
20130230069
2013-09-05

Spontaneous and stimulated emission control using quantum-structure lattice arrays

#46
20130022073
2013-01-24

Single-frequency distributed feedback laser diode with complex-coupling coefficient and transparent conductive cladding layer

#47
20120292512
2012-11-22

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

#48
20120257645
2012-10-11

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

#49
20120093187
2012-04-19

DFB laser diode having a lateral coupling for large output power

#50
20120063478
2012-03-15

SURFACE PLASMON BAND-EDGE LASER

#51
20110310915
2011-12-22

Methods and apparatus for single-mode selection in quantum cascade lasers

#52
20110249936
2011-10-13

Transmitter photonic integrated circuit (TxPIC) chip

#53
20110243169
2011-10-06

Edge emitting semiconductor laser chip

#54
20110235664
2011-09-29

Optoelectronic semiconductor chip and method of producing an optoelectronic semiconductor chip

#55
20110134956
2011-06-09

Process for producing semiconductor device and semiconductor device

#56
20110051768
2011-03-03

Semiconductor light emitting devices with non-epitaxial upper cladding

#57
20110008039
2011-01-13

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

#58
20100322557
2010-12-23

Optical device and method for manufacturing the same

#59
20100296539
2010-11-25

Semiconductor laser and method for manufacturing the same

#60
20100074292
2010-03-25

Semiconductor light emitting devices with non-epitaxial upper cladding

#61
20100020836
2010-01-28

Use of current channeling in multiple node laser systems and methods thereof

#62
20090279828
2009-11-12

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

#63
20090202196
2009-08-13

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

#64
20090147815
2009-06-11

Edge emitting semiconductor laser comprising a waveguide

#65
20090117678
2009-05-07

Semiconductor laser with a weakly coupled grating

#66
20090080482
2009-03-26

Gain-coupled distributed feedback semiconductor laser including first-order and second-order gratings

#67
20080279233
2008-11-13

Strong distributed feedback semiconductor laser

#68
20080225918
2008-09-18

INDEX GUIDED SEMICONDUCTOR LASER WITH LOSS-COUPLED GRATINGS AND CONTINUOUS WAVEGUIDE

#69
20080212637
2008-09-04

Distributed feedback semiconductor laser including wavelength monitoring section

#70
20080063407
2008-03-13

Digital optical network architecture

#71
20080029770
2008-02-07

Nitride semiconductor laser element

#72
20070253456
2007-11-01

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

#73
20070248299
2007-10-25

Monolithic transmitter photonic integrated circuit (TxPIC) semiconductor chip

#74
20070242919
2007-10-18

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

#75
20070242918
2007-10-18

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

#76
20070215857
2007-09-20

Semiconductor quantum dot device

#77
20070195849
2007-08-23

Gain-coupled distributed feedback semiconductor laser having an improved diffraction grating

#78
20070189349
2007-08-16

Single mode laser

#79
20070183738
2007-08-09

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

#80
20070172169
2007-07-26

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

#81
20070122148
2007-05-31

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

#82
20070121694
2007-05-31

Surface emitting laser

#83
20070092177
2007-04-26

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

#84
20070091951
2007-04-26

Gain-coupled distributed quantum cascade laser

#85
20070075318
2007-04-05

Two-dimensional photonic crystal surface-emitting laser

#86
20070053404
2007-03-08

Complex-coupled distributed feedback semiconductor laser

#87
20070019901
2007-01-25

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

#88
20070014509
2007-01-18

Optical transmitter

#89
20060187995
2006-08-24

Low loss grating for high efficiency wavelength stabilized high power lasers

#90
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)

#91
20060172446
2006-08-03

Semiconductor laser with a weakly coupled grating

#92
20060120422
2006-06-08

Laser device and controlling method thereof

#93
20060109884
2006-05-25

Distributed feedback semiconductor laser and method for manufacturing the same

#94
20060088066
2006-04-27

Q-modulated semiconductor laser

#95
20060067619
2006-03-30

Optical transport network

#96
20060062519
2006-03-23

Monolithic photonic integrated circuit (PIC) CHIP

#97
20060060833
2006-03-23

Radiation-emitting optoelectronic component with a quantum well structure and method for producing it

#98
20060056472
2006-03-16

Quantum nano-structure semiconductor laser

#99
20060023992
2006-02-02

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

#100
20050286909
2005-12-29

Optical transmitter

#101
20050276613
2005-12-15

FEC enhanced system for an optical communication network

#102
20050276302
2005-12-15

Distributed feedback laser diode

#103
20050232329
2005-10-20

DFB laser with a distributed reflector and photonic band gap

#104
20050213883
2005-09-29

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

#105
20050208768
2005-09-22

Method for manufacturing gratings in semiconductor materials that readily oxidise

#106
20050207696
2005-09-22

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

#107
20050201669
2005-09-15

Optical transport network

#108
20050189315
2005-09-01

Method for manufacturing gratings in semiconductor materials

#109
20050163186
2005-07-28

High-power diode laser system

#110
20050135778
2005-06-23

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

#111
20050135731
2005-06-23

Optical receiver photonic integrated circuit (RxPIC) system

#112
20050135730
2005-06-23

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

#113
20050135729
2005-06-23

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

#114
20050129350
2005-06-16

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

#115
20050100345
2005-05-12

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

#116
20050094927
2005-05-05

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

#117
20050094926
2005-05-05

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

#118
20050094925
2005-05-05

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

#119
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

#120
20050063636
2005-03-24

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

#121
20050053112
2005-03-10

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

#122
20050030990
2005-02-10

Stability factors for tuneable multi-section semiconductor lasers

#123
20050025409
2005-02-03

Submount for a photonic integrated circuit (PIC) chip

#124
20050018721
2005-01-27

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

#125
20050018720
2005-01-27

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

#126
20050014300
2005-01-20

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

#127
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)

#128
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)

#129
20050013330
2005-01-20

Method of tuning optical components integrated on a monolithic chip

#130
20050008053
2005-01-13

Complex coupled single mode laser with dual active region

#131
17394726
2023-05-30

Method for integration of variable Bragg grating coupling coefficients

#132
16688908
2021-10-19

Gratings for high power single mode laser

#133
15953250
2019-06-11

Single facet laser sources

#134
14616161
2016-01-12

System and method for generating light pulses based on direct current modulation of a seed laser diode

#135
13478392
2014-05-06

Diode laser