ClassID:

216153

H01S5/3427 - CPC Classification

Classification description:

Semiconductor lasers; Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well lasers [SQW-lasers], multiple quantum well lasers [MQW-lasers] or graded index separate confinement heterostructure lasers [GRINSCH-lasers] in IV compounds

Recent Application in this class:
#1
20250167523
2025-05-22

TENSILE STRAINED SEMICONDUCTOR PHOTON EMISSION AND DETECTION DEVICES AND INTEGRATED PHOTONICS SYSTEM

#2
20250158362
2025-05-15

TENSILE STRAINED SEMICONDUCTOR PHOTON EMISSION AND DETECTION DEVICES AND INTEGRATED PHOTONICS SYSTEM

#3
20240088628
2024-03-14

Optical device and method of forming the same

#4
20230344200
2023-10-26

TENSILE STRAINED SEMICONDUCTOR PHOTON EMISSION AND DETECTION DEVICES AND INTEGRATED PHOTONICS SYSTEM

#5
20220367744
2022-11-17

Electrical devices making use of counterdoped junctions

#6
20220278228
2022-09-01

Methods of manufacture of advanced wafer bonded heterojunction bipolar transistors

#7
20220173575
2022-06-02

Tensile strained semiconductor photon emission and detection devices and integrated photonics system

#8
20220135878
2022-05-05

Light-emitting or light-absorbing component

#9
20220102942
2022-03-31

SiGeSn laser diodes and method of fabricating same

#10
20210408767
2021-12-30

O-BAND SILICON-BASED HIGH-SPEED SEMICONDUCTOR LASER DIODE FOR OPTICAL COMMUNICATION AND ITS MANUFACTURING METHOD

#11
20200343401
2020-10-29

Electrical devices making use of counterdoped junctions

#12
20200335945
2020-10-22

Tensile strained semiconductor photon emission and detection devices and integrated photonics system

#13
20200185885
2020-06-11

UNIPOLAR LIGHT DEVICES INTEGRATED WITH FOREIGN SUBSTRATES AND METHODS OF FABRICATION

#14
20200119172
2020-04-16

Advanced wafer bonded heterojunction bipolar transistors and methods of manufacture of advanced wafer bonded heterojunction bipolar transistors

#15
20190296131
2019-09-26

Germanium-silicon-tin (GeSiSn) heterojunction bipolar transistor devices

#16
20190214789
2019-07-11

Guiding and confining of electromagnetic modes in low-index materials

#17
20190154932
2019-05-23

Highly integrated multi-channel optical transceiver module and active optical cable based on silicon photonic chip

#18
20190115726
2019-04-18

Tensile strained semiconductor photon emission and detection devices and integrated photonics system

#19
20190115459
2019-04-18

Wafer bonded GaN monolithic integrated circuits and methods of manufacture of wafer bonded GaN monolithic integrated circuits

#20
20190044308
2019-02-07

Semiconductor structure including a suspended membrane containing a central segment of structured thickness

#21
20180301584
2018-10-18

Electrical devices making use of counterdoped junctions

#22
20180062352
2018-03-01

Tensile strained semiconductor photon emission and detection devices and integrated photonics system

#23
20170263736
2017-09-14

Advanced wafer bonded heterojunction bipolar transistors and methods of manufacture of advanced wafer bonded heterojunction bipolar transistors

#24
20170085056
2017-03-23

Semiconductor layer variation for substrate removal after bonding

#25
20160276804
2016-09-22

Semiconductor laser element and method of manufacturing semiconductor laser element

#26
20160211649
2016-07-21

Tensile strained semiconductor photon emission and detection devices and integrated photonics system

#27
20160141835
2016-05-19

Laser and integrated graphene modulator

#28
20150249320
2015-09-03

Tensile strained semiconductor photon emission and detection devices and integrated photonics system

#29
20150207296
2015-07-23

Tunable SOI laser

#30
20150102465
2015-04-16

Material quality, suspended material structures on lattice-mismatched substrates

#31
20150014632
2015-01-15

Advanced heterojunction devices and methods of manufacturing advanced heterojunction devices

#32
20140185640
2014-07-03

Enhanced optical gain and lasing in indirect gap semiconductor thin films and nanostructures

#33
20130039664
2013-02-14

Tensile strained semiconductor photon emission and detection devices and integrated photonics system

#34
20100195685
2010-08-05

Semiconductor laser element and method of manufacturing semiconductor laser element

#35
20090283749
2009-11-19

Quantum-well photoelectric device assembled from nanomembranes

#36
20090090925
2009-04-09

Semiconductor device

#37
20070105251
2007-05-10

Method and structure of germanium laser on silicon

#38
20070051963
2007-03-08

Semiconductor light source