ClassID:

216138

H01S5/3409 - 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] special GRINSCH structures

Recent Application in this class:
#1
20260149239
2026-05-28

CIRCULAR BEAM TELECOMMUNICATIONS WAVELENGTH EDGE-EMITTING SEMICONDUCTOR LASER

#2
20230261443
2023-08-17

DILUTE NITRIDE LONG-WAVELENGTH EMITTER WITH IMPROVED PERFORMANCE OVER TEMPERATURE

#3
20220115841
2022-04-14

Semiconductor laser with a mode expansion layer

#4
20190214788
2019-07-11

Surface-emitting laser device and light emitting device including the same

#5
20190140426
2019-05-09

Laser device with a stepped graded index separate confinement heterostructure

#6
20190067900
2019-02-28

III-Nitride nanowire array monolithic photonic integrated circuit on (001)silicon operating at near-infrared wavelengths

#7
20180331501
2018-11-15

AlInGaN alloy based laser diode

#8
20170155230
2017-06-01

Semiconductor laser element and method of manufacturing semiconductor laser element

#9
20160301193
2016-10-13

Semiconductor laser array, semiconductor laser element, semiconductor laser module, and wavelength-variable laser assembly

#10
20160149078
2016-05-26

Nitride semiconductor light-emitting device

#11
20140273323
2014-09-18

Method of manufacture of advanced heterojunction transistor and transistor laser

#12
20110274130
2011-11-10

Single ridge N-P-N diode laser

#13
20100219438
2010-09-02

Method for manufacturing semiconductor light-emitting element

#14
20090067462
2009-03-12

Semiconductor device

#15
20080203418
2008-08-28

Semiconductor device

#16
20080044936
2008-02-21

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

#17
20060163585
2006-07-27

Light-emitting semiconductor device and a method of manufacturing it

#18
20050167836
2005-08-04

Detailed description of the presently preferred embodiments

#19
20050167835
2005-08-04

Nitride semiconductor laser

#20
20050127391
2005-06-16

Semiconductor device

#21
20050083568
2005-04-21

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

#22
16889963
2021-10-19

AlInGaAs/InGaAsP/InP edge emitting semiconductor laser including multiple monolithic laser diodes

#23
13837270
2015-05-26

High-power low-loss GRINSCH laser