ClassID:

216166

H01S5/34373 - 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 AB compounds, e.g. AlGaAs-laser, InP-based laser characterised by the materials of the barrier layers based on InGa(Al)AsP

Recent Application in this class:
#1
20240332913
2024-10-03

LIGHT EMITTING DEVICE, RANGING DEVICE, AND MOVABLE OBJECT

#2
20240170924
2024-05-23

OPTICAL MODULATOR

#3
20240120711
2024-04-11

LASER DEVICE, LASER DEVICE ARRAY, AND METHOD OF PRODUCING A LASER DEVICE

#4
20240039248
2024-02-01

SEMICONDUCTOR LASER DEVICE AND METHOD OF MANUFACTURING THE SAME

#5
20240006856
2024-01-04

Semiconductor Structure and Semiconductor Device

#6
20230275399
2023-08-31

SEMICONDUCTOR OPTICAL DEVICE AND METHOD OF MANUFACTURING THE SAME

#7
20230253762
2023-08-10

SEMICONDUCTOR LASER DEVICE

#8
20230060877
2023-03-02

SEMICONDUCTOR OPTICAL DEVICE AND METHOD OF MANUFACTURING THE SAME

#9
20220173574
2022-06-02

System and method for topological lasers generating and multiplexing optical beams with unbounded orbital angular momenta

#10
20200412092
2020-12-31

INP-based monolithic integrated chaotic semiconductor laser chip capable of feeding back randomly diffused light

#11
20200395737
2020-12-17

Semiconductor laser diode

#12
20200259043
2020-08-13

AlInGaN-based superluminescent diode

#13
20200006916
2020-01-02

Method for tuning emission wavelength of laser device

#14
20180269658
2018-09-20

SEMICONDUCTOR LASER INCORPORATING AN ELECTRON BARRIER WITH LOW ALUMINUM CONTENT

#15
20180212400
2018-07-26

Process of forming epitaxial substrate and semiconductor optical device

#16
20180175585
2018-06-21

Electrically pumped photonic crystal nanolaser

#17
20160352075
2016-12-01

SEMICONDUCTOR LASER DEVICE

#18
20160351392
2016-12-01

Semiconductor device

#19
20160233644
2016-08-11

Wavelength tunable laser device and optical coherence tomography apparatus

#20
20150222078
2015-08-06

Method for switching output wavelength of tunable wavelength laser, method for switching wavelength of tunable wavelength laser, and tunable wavelength laser device

#21
20140369369
2014-12-18

Apparatus for output light with wavelength tunable function and method to determine oscillation wavelength of wavelength tunable laser diode

#22
20140354367
2014-12-04

Surface-emitting laser element, method for manufacturing a surface-emitting laser element, and atomic oscillator

#23
20140354366
2014-12-04

Surface emitting laser element and atomic oscillator

#24
20120236892
2012-09-20

Lasers with InGaAs quantum wells with InGaP barrier layers with reduced decomposition

#25
20120236891
2012-09-20

LASERS WITH QUANTUM WELLS HAVING HIGH INDIUM AND LOW ALUMINUM WITH BARRIER LAYERS HAVING HIGH ALUMINUM AND LOW INDIUM WITH REDUCED TRAPS

#26
20110032964
2011-02-10

Fabricating electronic-photonic devices having an active layer with spherical quantum dots

#27
20100297796
2010-11-25

METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE

#28
20100226400
2010-09-09

Fabricating electronic-photonic devices having an active layer with spherical quantum dots

#29
20100111128
2010-05-06

Selective area metal bonding Si-based laser

#30
20090315019
2009-12-24

Optical device having a quantum-dot structure

#31
20090238228
2009-09-24

Quantum dot based semiconductor waveguide devices

#32
20090237780
2009-09-24

Semiconductor optical amplifier, method for manufacturing the same, and semiconductor optical integrated device

#33
20090142869
2009-06-04

Method of producing semiconductor optical device

#34
20090086779
2009-04-02

SEMICONDUCTOR LASER DIODE WITH REDUCED PARASITIC CAPACITANCE

#35
20090067462
2009-03-12

Semiconductor device

#36
20080175549
2008-07-24

Optical semiconductor device and fabrication process thereof

#37
20080095207
2008-04-24

Process for precisely forming diffraction grating light-emitting device and a laser diode providing the same

#38
20080044936
2008-02-21

Semiconductor laser module, optical amplifier, and method of manufacturing the semiconductor laser module

#39
20070258498
2007-11-08

Semiconductor laser diode with emission efficiency independent of thickness of p-type cladding layer

#40
20070171948
2007-07-26

Semiconductor laser having an improved stacked structure

#41
20070160102
2007-07-12

Vertically emitting, optically pumped semiconductor laser comprising an external resonator

#42
20070147454
2007-06-28

LIGHT EMITTING DEVICE

#43
20070097680
2007-05-03

Light-emitting photonic device

#44
20070075318
2007-04-05

Two-dimensional photonic crystal surface-emitting laser

#45
20060233213
2006-10-19

Multi-quantum well optical waveguide with broadband optical gain

#46
20060220001
2006-10-05

Semiconductor device

#47
20060176923
2006-08-10

Semiconductor laser

#48
20060166386
2006-07-27

Optical semiconductor device and its manufacturing method

#49
20060133440
2006-06-22

Optical semiconductor device

#50
20060131557
2006-06-22

Superlattice optical semiconductor device where each barrier layer has high content of group III elements in center portion and low content near well layer

#51
20060120421
2006-06-08

Semiconductor laser and manufacturing method thereof

#52
20050286582
2005-12-29

Photosemiconductor device

#53
20050244994
2005-11-03

Wide tuneable laser sources

#54
20050243874
2005-11-03

Wide tuneable laser sources

#55
20050185889
2005-08-25

Polarization insensitive semiconductor optical amplifier

#56
20050176165
2005-08-11

Semiconductor device, semiconductor laser device, manufacturing method for semiconductor device, manufacturing method for semiconductor laser device, optical disk device and optical transmission system

#57
20050163178
2005-07-28

Semiconductor laser device

#58
20050152422
2005-07-14

Semiconductor laser with grating structure for stabilizing the wavelength of optical radiation

#59
20050092979
2005-05-05

Single-mode laser diode using strain-compensated multi-quantum-wells and method for manufacturing the same

#60
20050083568
2005-04-21

Semiconductor laser module, optical amplifier, and method of manufacturing the semiconductor laser module

#61
20050074197
2005-04-07

Integrated surface emitting laser and light amplifier

#62
20050047463
2005-03-03

Semiconductor laser element including optical waveguide layers which have gradually varying bandgaps so as to reduce electrical resistance at interfaces

#63
20050041708
2005-02-24

Semiconductor laser device and optical disc drive

#64
20050040386
2005-02-24

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