ClassID:

216151

H01S5/3425 - 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] comprising couples wells or superlattices

Recent Application in this class:
#1
20260018865
2026-01-15

ZINC OXIDE-BASED QUANTUM CASCADE LASER ELEMENT

#2
20250275302
2025-08-28

EPITAXIAL OXIDE MATERIALS, STRUCTURES, AND DEVICES

#3
20250133866
2025-04-24

III-NITRIDE-BASED HIGH EFFICIENCY AND HIGH-POWER DEVICES GROWN ON OR ABOVE A STRAIN RELAXED TEMPLATE

#4
20240039248
2024-02-01

SEMICONDUCTOR LASER DEVICE AND METHOD OF MANUFACTURING THE SAME

#5
20230307891
2023-09-28

Semiconductor layer structure with a thin blocking layer

#6
20230197794
2023-06-22

Epitaxial oxide materials, structures, and devices

#7
20230187506
2023-06-15

Epitaxial oxide materials, structures, and devices

#8
20230119356
2023-04-20

SEMICONDUCTOR LASER ELEMENT

#9
20230051827
2023-02-16

Semiconductor Structures

#10
20220109286
2022-04-07

Light emitting apparatus and projector

#11
20220059723
2022-02-24

Semiconductor device

#12
20220006264
2022-01-06

SEMICONDUCTOR DEVICE AND FABRICATION METHOD

#13
20210408766
2021-12-30

Semiconductor layer structure with a thin blocking layer

#14
20210399528
2021-12-23

Surface emitting laser device and light emitting device including the same

#15
20200185879
2020-06-11

Semiconductor light emitting device

#16
20190326730
2019-10-24

SEMICONDUCTOR DEVICE AND FABRICATION METHOD

#17
20190273363
2019-09-05

Quantum cascade laser element

#18
20190267511
2019-08-29

Semiconductor layer sequence having pre- and post-barrier layers and quantum wells

#19
20180269650
2018-09-20

Semiconductor light emitting device

#20
20170133552
2017-05-11

Semiconductor light-emitting device

#21
20160294161
2016-10-06

SEMICONDUCTOR LASER

#22
20150146756
2015-05-28

Semiconductor light emitting element

#23
20150117485
2015-04-30

Quantum cascade laser element

#24
20150063395
2015-03-05

Optoelectronic semiconductor chip

#25
20150008327
2015-01-08

Mid-IR multiwavelength concatenated distributed-feedback laser with an active core made of cascaded stages

#26
20140376584
2014-12-25

ANISOTROPIC STRAIN CONTROL IN SEMIPOLAR NITRIDE QUANTUM WELLS BY PARTIALLY OR FULLY RELAXED ALUMINUM INDIUM GALLIUM NITRIDE LAYERS WITH MISFIT DISLOCATIONS

#27
20140247850
2014-09-04

Multiquantum well structures for suppression of electron leakage and reduction of threshold-current density in quantum cascade lasers

#28
20130028281
2013-01-31

Optoelectronic semiconductor chip

#29
20130022074
2013-01-24

Laser emission systems, heterostructure and active zone having coupled quantum-wells, and use for 1.55 mm laser emission

#30
20110062415
2011-03-17

Anisotropic strain control in semipolar nitride quantum wells by partially or fully relaxed aluminum indium gallium nitride layers with misfit dislocations

#31
20090290606
2009-11-26

MODE-LOCKED EXTERNAL-CAVITY SURFACE-EMITTING SEMICONDUCTOR LASER

#32
20090023240
2009-01-22

Semiconductor laser device and manufacturing method of the same

#33
20070126021
2007-06-07

Metal oxide semiconductor film structures and methods

#34
20070054427
2007-03-08

Terahertz radiating device based on semiconductor coupled quantum wells

#35
20070008999
2007-01-11

Broadened waveguide for interband cascade lasers

#36
20060268396
2006-11-30

Semiconductor laser device and optical fiber amplifier

#37
20050173694
2005-08-11

Type II quantum well mid-infrared optoelectronic devices

#38
20050161689
2005-07-28

Efficient light emitting diodes and lasers

#39
20050063443
2005-03-24

Semiconductor laser device and method for fabricating the same

#40
20050041712
2005-02-24

Semiconductor laser device and production method therefor

#41
20050029508
2005-02-10

Terahertz radiating device based on semiconductor coupled quantum wells

#42
20050007657
2005-01-13

Semiconductor laser device and optical fiber amplifier

#43
17653828
2023-04-04

Epitaxial oxide materials, structures, and devices