ClassID:

216149

H01S5/3422 - 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 type-II quantum wells or superlattices

Recent Application in this class:
#1
20240313509
2024-09-19

OPTOELECTRONIC COMPONENT THAT IS INSENSITIVE TO DISLOCATIONS

#2
20230268721
2023-08-24

Long-Wavelength Interband Cascade Lasers (ICLs) and Methods of Use

#3
20230231364
2023-07-20

Weak Index Guiding of Interband Cascade Lasers

#4
20200112140
2020-04-09

Electrically pumped vertical cavity laser

#5
20190319143
2019-10-17

SEMICONDUCTOR CRYSTAL SUBSTRATE, DEVICE, AND METHOD FOR MANUFACTURING SEMICONDUCTOR CRYSTAL SUBSTRATE

#6
20190181614
2019-06-13

LASER RADAR DEVICE

#7
20180054041
2018-02-22

Vertical-cavity surface-emitting laser

#8
20170201072
2017-07-13

Nitride semiconductor device and quantum cascade laser using the same

#9
20170125979
2017-05-04

Interband cascade light emitting devices

#10
20160056315
2016-02-25

Semiconductor device and method for manufacturing the same

#11
20150244144
2015-08-27

Tunable semiconductor lasers

#12
20150207290
2015-07-23

Method and apparatus for fabrication of controlled chirp gratings

#13
20150188290
2015-07-02

Interband cascade lasers with engineered carrier densities

#14
20140273323
2014-09-18

Method of manufacture of advanced heterojunction transistor and transistor laser

#15
20140191189
2014-07-10

Staggered composition quantum well method and device

#16
20130121361
2013-05-16

Interband cascade laser amplifier medium

#17
20130092896
2013-04-18

Optoelectronic device with a wide bandgap and method of making same

#18
20130003770
2013-01-03

Interband cascade lasers

#19
20120269221
2012-10-25

Interband cascade lasers with engineered carrier densities

#20
20120217475
2012-08-30

Optoelectronic Devices Including Compound Valence-Band Quantum Well Structures

#21
20120128018
2012-05-24

Interband cascade lasers

#22
20120127564
2012-05-24

High-temperature interband cascade lasers

#23
20120076160
2012-03-29

Continuous wavelength tunable laser source with optimum orientation of grating and gain medium

#24
20120044964
2012-02-23

Semiconductor interband lasers and method of forming

#25
20100327783
2010-12-30

Staggered composition quantum well method and device

#26
20100164636
2010-07-01

Oscillation device

#27
20100097690
2010-04-22

High-temperature interband cascade lasers

#28
20090162963
2009-06-25

Gallium nitride-based device and method

#29
20080247434
2008-10-09

SEMICONDUCTOR LIGHT-EMITTING DEVICE

#30
20080240174
2008-10-02

Tunable infrared lasers for gas-phase spectroscopy

#31
20080151956
2008-06-26

Interband tunneling intersubband transition semiconductor laser

#32
20080144685
2008-06-19

Graded in content gallium nitride-based device and method

#33
20080099755
2008-05-01

Gallium nitride-based device and method

#34
20070248135
2007-10-25

Quantum well lasers with strained quantum wells and dilute nitride barriers

#35
20070091951
2007-04-26

Gain-coupled distributed quantum cascade laser

#36
20070030870
2007-02-08

Method and structure for ridge waveguide quantum cascade laser with p-type overgrowth

#37
20070008999
2007-01-11

Broadened waveguide for interband cascade lasers

#38
20060167641
2006-07-27

Terahertz detection using a multi-mode signal

#39
20060120422
2006-06-08

Laser device and controlling method thereof

#40
20060056466
2006-03-16

Semiconductor light source with electrically tunable emission wavelength

#41
20060039431
2006-02-23

Quantum cascade laser device

#42
20060025835
2006-02-02

Type II mid-infrared quantum well laser

#43
20060007973
2006-01-12

Broadband cascade light emitters

#44
20050173694
2005-08-11

Type II quantum well mid-infrared optoelectronic devices

#45
20050063438
2005-03-24

Unipolar, intraband optoelectronic transducers with micro-cavity resonators

#46
20050041711
2005-02-24

Intersubband semiconductor lasers with enhanced subband depopulation rate

#47
14615499
2016-04-05

Computationally efficient method for building quantum heterostructures