ClassID:

216106

H01S5/3215 - CPC Classification

Classification description:

Semiconductor lasers; Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures characterised by special cladding layers, e.g. details on band-discontinuities graded composition cladding layers

Recent Application in this class:
#1
20250015562
2025-01-09

METHOD OF PRODUCING ULTRAVIOLET LASER DIODE

#2
20240088627
2024-03-14

SURFACE EMITTING LASER

#3
20230335975
2023-10-19

LIGHT-EMITTING DEVICE

#4
20210320477
2021-10-14

Method of producing ultraviolet laser diode, and ultraviolet laser diode

#5
20210210924
2021-07-08

Method for manufacturing optical device and optical device

#6
20210028605
2021-01-28

Cladding glass for solid-state lasers

#7
20200287354
2020-09-10

Nitride semiconductor element

#8
20200220330
2020-07-09

Laser diode

#9
20190273362
2019-09-05

Semiconductor laser

#10
20190252855
2019-08-15

Two-dimensional photonic crystal surface-emitting laser with transparent conductive cladding layer

#11
20190199065
2019-06-27

Quantum cascade laser

#12
20170201072
2017-07-13

Nitride semiconductor device and quantum cascade laser using the same

#13
20160164260
2016-06-09

Nitride laser diode with engineered non-uniform alloy composition in the n-cladding layer

#14
20150255956
2015-09-10

Semiconductor laser with improved current conduction

#15
20150043604
2015-02-12

Semiconductor light emitting device and method for manufacturing same

#16
20130223463
2013-08-29

Nitride semiconductor device and production method thereof

#17
20120298951
2012-11-29

Optoelectronic Semiconductor Body with a Quantum Well Structure

#18
20120223354
2012-09-06

SEMICONDUCTOR TWO-PHOTO DEVICE

#19
20120140785
2012-06-07

Nitride based semiconductor device and fabrication method for the same

#20
20120020383
2012-01-26

Surface emitting laser, light source, and optical module

#21
20110272670
2011-11-10

NITRIDE SEMICONDUCTOR DEVICE AND PRODUCTION METHOD THEREOF

#22
20110266567
2011-11-03

Method for producing a radiation-emitting component and radiation-emitting component

#23
20110260202
2011-10-27

Optoelectronic semiconductor chip and method for the production thereof

#24
20110241564
2011-10-06

Surface emitting laser, surface emitting laser array, light source and optical module

#25
20110222569
2011-09-15

Semiconductor laser, semiconductor laser device, and fabrication method of semiconductor laser

#26
20110168977
2011-07-14

Semiconductor layer structure with superlattice

#27
20100317136
2010-12-16

METHOD FOR PRODUCING SEMICONDUCTOR LIGHT EMITTING DEVICE, METHOD FOR PRODUCING SEMICONDUCTOR DEVICE, METHOD FOR PRODUCING DEVICE, METHOD FOR GROWING NITRIDE TYPE III-V GROUP COMPOUND SEMICONDUCTOR LAYER, METHOD FOR GROWING SEMICONDUCTOR LAYER, AND METHOD FOR GROWING LAYER

#28
20100189148
2010-07-29

Group III nitride semiconductor laser

#29
20100158064
2010-06-24

Semiconductor light emitter

#30
20100150194
2010-06-17

Nitride semiconductor optical element and manufacturing method thereof

#31
20100008391
2010-01-14

Nitride based semiconductor device and fabrication method for the same

#32
20090201961
2009-08-13

Semiconductor Laser Element and Method of Fabrication Thereof

#33
20090122823
2009-05-14

Monolithically integrated laser diode chip having a construction as a multiple beam laser diode

#34
20090026489
2009-01-29

Semiconductor light emitting device

#35
20090010290
2009-01-08

Semiconductor chip having a reduced band offset in its p-doped region and method for producing the semiconductor chip

#36
20080265275
2008-10-30

Semiconductor device and manufacturing method therefor

#37
20080247435
2008-10-09

Semiconductor laser diode having graded interlayer

#38
20080054252
2008-03-06

Semiconductor layer structure with superlattice

#39
20080054247
2008-03-06

Semiconductor layer structure with superlattice

#40
20080043796
2008-02-21

Surface-emission laser diode operable in the wavelength band of 1.1-1.7 micrometers and optical telecommunication system using such a laser diode

#41
20070291809
2007-12-20

Semiconductor optical device and manufacturing method thereof

#42
20070290230
2007-12-20

Nitride Semiconductor Device And Production Method Thereof

#43
20070272935
2007-11-29

Semiconductor device and manufacturing method therefor

#44
20070223546
2007-09-27

Red light laser

#45
20070221908
2007-09-27

Semiconductor light emitter

#46
20070105251
2007-05-10

Method and structure of germanium laser on silicon

#47
20070091956
2007-04-26

SEMICONDUCTOR LASER ELEMENT AND METHOD OF FABRICATION THEREOF

#48
20070045655
2007-03-01

Nitride semiconductor light emitting device

#49
20070008998
2007-01-11

Semiconductor light emitting device

#50
20070002915
2007-01-04

High-power infrared semiconductor diode light emitting device

#51
20060286695
2006-12-21

METHOD FOR PRODUCING SEMICONDUCTOR LIGHT EMITTING DEVICE, METHOD FOR PRODUCING SEMICONDUCTOR DEVICE, METHOD FOR PRODUCING DEVICE, METHOD FOR GROWING NITRIDE TYPE III-V GROUP COMPOUND SEMICONDUCTOR LAYER, METHOD FOR GROWING SEMICONDUCTOR LAYER, AND METHOD FOR GROWING LAYER

#52
20060274793
2006-12-07

Control of output beam divergence in a semiconductor waveguide device

#53
20060273329
2006-12-07

Semiconductor device

#54
20060260671
2006-11-23

Semiconductor device and semiconductor light emitting device

#55
20060172513
2006-08-03

METHOD FOR PRODUCING SEMICONDUCTOR LIGHT EMITTING DEVICE, METHOD FOR PRODUCING SEMICONDUCTOR DEVICE, METHOD FOR PRODUCING DEVICE, METHOD FOR GROWING NITRIDE TYPE III-V GROUP COMPOUND SEMICONDUCTOR LAYER, METHOD FOR GROWING SEMICONDUCTOR LAYER, AND METHOD FOR GROWING LAYER

#56
20050230674
2005-10-20

Semiconductor light emitter

#57
20050221515
2005-10-06

Method for producing semiconductor light emitting device, method for producing semiconductor device, method for producing device, method for growing nitride type III-V group compound semiconductor layer, method for growing semiconductor layer, and method for growing layer

#58
20050147356
2005-07-07

Vertically coupled large area amplifier

#59
20050142682
2005-06-30

Method for fabricating nitride semiconductor, method for fabricating nitride semiconductor device, and nitride semiconductor device

#60
20050058170
2005-03-17

Semiconductor laser element and semiconductor laser element manufacturing method

#61
20050047463
2005-03-03

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

#62
14315687
2017-02-07

Epitaxial growth of p-type cladding regions using nitrogen gas for a gallium and nitrogen containing laser diode