ClassID:

216032

H01S5/2077 - CPC Classification

Classification description:

Semiconductor lasers; Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers; Methods of obtaining the confinement using lateral bandgap control during growth, e.g. selective growth, mask induced

Recent Application in this class:
#1
20250279629
2025-09-04

WAVELENGTH-VARIABLE LASER

#2
20250105595
2025-03-27

METHOD OF MANUFACTURING PHOTONIC INTEGRATED DEVICE BASED ON SINGLE-STEP ACTIVE LAYER EPITAXIAL GROWTH

#3
20240291240
2024-08-29

WAVELENGTH-VARIABLE LASER

#4
20240014634
2024-01-11

GAN-BASED LASER AND MANUFACTURING METHOD THEREFOR

#5
20230187906
2023-06-15

Wavelength-variable laser

#6
20230187567
2023-06-15

Optoelectronic device comprising a semiconductor layer based on GeSn having a single-crystal portion with a direct band structure and an underlying barrier region

#7
20220311216
2022-09-29

LASER EMITTER INCLUDING NANOWIRES

#8
20210376572
2021-12-02

Laser emitter including nanowires

#9
20210210929
2021-07-08

Wavelength-variable laser

#10
20210184436
2021-06-17

Wavelength-variable laser

#11
20200067279
2020-02-27

Wavelength-variable laser

#12
20190355768
2019-11-21

Method for producing a semiconductor chip and semiconductor chip

#13
20180331503
2018-11-15

Wavelength-variable laser

#14
20170330757
2017-11-16

Method for producing a semiconductor chip and semiconductor chip

#15
20170201071
2017-07-13

Quantum cascade laser

#16
20170187168
2017-06-29

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

#17
20160087150
2016-03-24

Light-emitting assembly having a semiconductor layer sequence having an active zone on a columnar structure

#18
20150333481
2015-11-19

Hybrid waveguide lasers and methods for fabricating hybrid waveguide lasers

#19
20150311676
2015-10-29

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

#20
20150103858
2015-04-16

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

#21
20140065748
2014-03-06

Method of manufacturing multi-wavelengths distributed feedback (DFB) laser array including top separate confinement layer having different thickness laser units on the quantum-well layer grown by selective area epitaxial growth

#22
20130003771
2013-01-03

DISTRIBUTED FEEDBACK LASER DIODE HAVING ASYMMETRIC COUPLING COEFFICIENT AND MANUFACTURING METHOD THEREOF

#23
20120207185
2012-08-16

Method of manufacturing semiconductor laser, semiconductor laser, optical pickup, optical disk device, method of manufacturing semiconductor device, semiconductor device, and method of growing nitride type Group III-V compound semiconductor layer

#24
20120114000
2012-05-10

Method of manufacturing semiconductor optical device, method of manufacturing semiconductor optical laser element, and semiconductor optical device

#25
20110249936
2011-10-13

Transmitter photonic integrated circuit (TxPIC) chip

#26
20110008039
2011-01-13

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

#27
20100112741
2010-05-06

Integrated photonic semiconductor devices and methods for making integrated photonic semiconductor devices

#28
20090279828
2009-11-12

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

#29
20090245310
2009-10-01

Nitride-based semiconductor laser device and method of manufacturing the same

#30
20090213884
2009-08-27

Integrated photonic semiconductor devices and methods for making integrated photonic semiconductors devices

#31
20090202196
2009-08-13

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

#32
20090129426
2009-05-21

Semiconductor system having a ring laser fabricated by epitaxial layer overgrowth

#33
20090034567
2009-02-05

Method of manufacturing semiconductor laser, semiconductor laser, optical pickup, optical disk device, method of manufacturing semiconductor device, semiconductor device, and method of growing nitride type group III-V compound semiconductor layer

#34
20090003396
2009-01-01

Integrated photonic semiconductor devices having ridge structures that are grown rather than etched, and methods for making same

#35
20080240190
2008-10-02

Method of manufacturing semiconductor device, semiconductor laser, optical pickup, and optical disk device with nitride type group III-V compound semiconductor layer

#36
20080063407
2008-03-13

Digital optical network architecture

#37
20070248299
2007-10-25

Monolithic transmitter photonic integrated circuit (TxPIC) semiconductor chip

#38
20070242919
2007-10-18

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

#39
20070242918
2007-10-18

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

#40
20070183738
2007-08-09

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

#41
20070172169
2007-07-26

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

#42
20070122148
2007-05-31

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

#43
20070092177
2007-04-26

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

#44
20070081566
2007-04-12

Integrated modulator-laser structure and a method of producing same

#45
20070041419
2007-02-22

Semiconductor system having a ring laser fabricated by expitaxial layer overgrowth

#46
20070019901
2007-01-25

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

#47
20070014509
2007-01-18

Optical transmitter

#48
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)

#49
20060067619
2006-03-30

Optical transport network

#50
20060062519
2006-03-23

Monolithic photonic integrated circuit (PIC) CHIP

#51
20060056479
2006-03-16

Grating—outcoupled surface-emitting lasers

#52
20060023992
2006-02-02

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

#53
20050286909
2005-12-29

Optical transmitter

#54
20050276613
2005-12-15

FEC enhanced system for an optical communication network

#55
20050213883
2005-09-29

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

#56
20050207696
2005-09-22

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

#57
20050201669
2005-09-15

Optical transport network

#58
20050185689
2005-08-25

Optoelectronic device having a Discrete Bragg Reflector and an electro-absorption modulator

#59
20050135778
2005-06-23

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

#60
20050135731
2005-06-23

Optical receiver photonic integrated circuit (RxPIC) system

#61
20050135730
2005-06-23

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

#62
20050135729
2005-06-23

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

#63
20050129350
2005-06-16

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

#64
20050100345
2005-05-12

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

#65
20050094927
2005-05-05

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

#66
20050094926
2005-05-05

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

#67
20050094925
2005-05-05

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

#68
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

#69
20050063636
2005-03-24

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

#70
20050040386
2005-02-24

Multiple quantum well broad spectrum gain medium and method for forming same

#71
20050025409
2005-02-03

Submount for a photonic integrated circuit (PIC) chip

#72
20050018721
2005-01-27

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

#73
20050018720
2005-01-27

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

#74
20050014300
2005-01-20

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

#75
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)

#76
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)

#77
20050013330
2005-01-20

Method of tuning optical components integrated on a monolithic chip

#78
20050007658
2005-01-13

Extended bandwidth semiconductor optical amplifier systems and methods