ClassID:

216062

H01S5/2232 - CPC Classification

Classification description:

Semiconductor lasers; Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers having a ridge or stripe structure; Buried stripe structure with inner confining structure between the active layer and the lower electrode

Sub-classes:
Recent Application in this class:
#1
20230327405
2023-10-12

OPTICAL SEMICONDUCTOR DEVICE

#2
20230299563
2023-09-21

DIODE LASER HAVING A CURRENT SHIELD

#3
20230155347
2023-05-18

Optical semiconductor device

#4
20230011972
2023-01-12

CONFINING FEATURES FOR MODE SHAPING OF LASERS AND COUPLING WITH SILICON PHOTONIC COMPONENTS

#5
20220247148
2022-08-04

Confining features for mode shaping of lasers and coupling with silicon photonic components

#6
20200028330
2020-01-23

Vertically-coupled surface-etched grating DFB laser

#7
20190288485
2019-09-19

Hybrid silicon lasers on bulk silicon substrates

#8
20190252861
2019-08-15

Vertically-coupled surface-etched grating DFB laser

#9
20190187369
2019-06-20

Semiconductor optical integrated device having buried hetero structure waveguide and deep ridge waveguide

#10
20170146734
2017-05-25

Semiconductor optical integrated device including a reduced thickness upper cladding layer in a ridge waveguide portion, and method of manufacturing the same

#11
20150194788
2015-07-09

Ridge laser

#12
20120106583
2012-05-03

VERTICALLY-COUPLED SURFACE-ETCHED GRATING DFB LASER

#13
20110177634
2011-07-21

Edge-emitting semiconductor laser chip

#14
20100183041
2010-07-22

Semiconductor laser element and semiconductor laser device

#15
20090315012
2009-12-24

Method of preparing light emitting device

#16
20090159924
2009-06-25

SEMICONDUCTOR LIGHT EMITTING ELEMENT AND METHOD FOR FABRICATING THE SAME

#17
20080175294
2008-07-24

Semiconductor optical devices, systems and methods of manufacturing the same

#18
20080089374
2008-04-17

Semiconductor laser

#19
20080049801
2008-02-28

Edge-emitting semiconductor laser chip

#20
20070228395
2007-10-04

SEMICONDUCTOR LIGHT EMITTING ELEMENT AND METHOD FOR FABRICATING THE SAME

#21
20070097680
2007-05-03

Light-emitting photonic device

#22
20060138431
2006-06-29

Light emitting device structure having nitride bulk single crystal layer

#23
20060120428
2006-06-08

Distributed feedback (DFB) semiconductor laser and fabrication method thereof

#24
20060078023
2006-04-13

Laser diode and method of fabricating the same

#25
20050280022
2005-12-22

Semiconductor laser device and manufacturing method thereof

#26
20050194634
2005-09-08

Semiconductor device, semiconductor laser, their manufacturing methods and etching methods

#27
20050141578
2005-06-30

Laser diode structure with blocking layer

#28
20050042788
2005-02-24

Semiconductor device and method for manufacturing the same

#29
20050003571
2005-01-06

Semiconductor light emitting element and method for fabricating the same