ClassID:

216051

H01S5/2218 - 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 comprising special burying or current confinement layers having special optical properties

Sub-classes:
Recent Application in this class:
#1
20240332911
2024-10-03

SEMICONDUCTOR LASER ELEMENT

#2
20240088626
2024-03-14

SEMICONDUCTOR LASER DEVICE

#3
20220166193
2022-05-26

Optical semiconductor device

#4
20210028598
2021-01-28

Semiconductor laser device

#5
20190190235
2019-06-20

Hybrid vertical current injection electro-optical device with refractive-index-matched current blocking layer

#6
20190089132
2019-03-21

Tunable laser for coherent transmission system

#7
20150333481
2015-11-19

Hybrid waveguide lasers and methods for fabricating hybrid waveguide lasers

#8
20140294031
2014-10-02

Optical device and optical module

#9
20140064311
2014-03-06

Laser light source

#10
20130028280
2013-01-31

Semiconductor laser element and manufacturing method of the same

#11
20120230358
2012-09-13

High-power quantum cascade lasers with active-photonic-crystal structure for single, in-phase mode operation

#12
20110298006
2011-12-08

SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD FOR FABRICATING THE SAME

#13
20110002352
2011-01-06

Optical waveguide integrated semiconductor optical device

#14
20100278203
2010-11-04

Radiation-emitting semiconductor chip

#15
20100124244
2010-05-20

SEMICONDUCTOR LASER DEVICE

#16
20090316744
2009-12-24

Semiconductor laser, method for manufacturing semiconductor laser, optical disk device, and optical pickup

#17
20090285254
2009-11-19

Semiconductor laser device

#18
20090075150
2009-03-19

Material for solid polyelectrolyte suitable for use in fuel cell

#19
20090059986
2009-03-05

SEMICONDUCTOR LIGHT EMITTING ELEMENT

#20
20090034573
2009-02-05

Semiconductor laser device and fabrication method for the same

#21
20080043797
2008-02-21

Semiconductor laser device and method for fabricating the same

#22
20080013579
2008-01-17

Buried-heterostructure semiconductor laser

#23
20050280022
2005-12-22

Semiconductor laser device and manufacturing method thereof

#24
20050147144
2005-07-07

Semiconductor laser light emitting device

#25
20050135447
2005-06-23

Compound semiconductor laser