ClassID:

216055

H01S5/2223 - 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 electric properties hetero barrier blocking layers, e.g. P-P or N-N

Recent Application in this class:
#1
20250233390
2025-07-17

SEMICONDUCTOR LASER, SEMICONDUCTOR LASER DEVICE, AND SEMICONDUCTOR LASER PRODUCTION METHOD

#2
20230352912
2023-11-02

BURIED HETEROSTRUCTURE SEMICONDUCTOR LASER AND METHOD OF MANUFACTURE

#3
20230268716
2023-08-24

NARROW LINEWIDTH LASER WITH FLAT FREQUENCY MODULATION RESPONSE

#4
20230198218
2023-06-22

TUNABLE WAVELENGTH GAIN CHIP ARRAY FOR SENSING AND COMMUNICATION

#5
20230021415
2023-01-26

Manufacturing Method for Semiconductor Device

#6
20210408767
2021-12-30

O-BAND SILICON-BASED HIGH-SPEED SEMICONDUCTOR LASER DIODE FOR OPTICAL COMMUNICATION AND ITS MANUFACTURING METHOD

#7
20210159668
2021-05-27

Vertical cavity surface emitting device with a buried index guiding current confinement layer

#8
20200203929
2020-06-25

III-V-ON-SILICON NANORIDGE OPTO-ELECTRONIC DEVICE WITH CARRIER BLOCKING LAYERS

#9
20170179679
2017-06-22

Semiconductor optical device

#10
20110317731
2011-12-29

SEMICONDUCTOR DEVICE

#11
20100190283
2010-07-29

Method to form semiconductor laser diode with mesa structure buried by current blocking layer

#12
20100178756
2010-07-15

Nitride semiconductor device and method for manufacturing the same

#13
20100019255
2010-01-28

Semiconductor light-emitting device

#14
20090072266
2009-03-19

Semiconductor light emitting device

#15
20080144684
2008-06-19

Method for fabricating nitride semiconductor laser device and nitride semiconductor laser device

#16
20080095206
2008-04-24

Light-emitting device on n-type InP substrate heavily doped with sulfur

#17
20080032435
2008-02-07

Method for manufacturing semiconductor laser element

#18
20070274360
2007-11-29

Semiconductor laser element and semiconductor laser device

#19
20070170441
2007-07-26

Nitride semiconductor device and method for manufacturing the same

#20
20070045633
2007-03-01

Semiconductor optical device having an improved current blocking layer and manufacturing method thereof

#21
20070031985
2007-02-08

Method for fabricating a semiconductor laser device that includes growing current confinement layers and a mesa side surface

#22
20060268952
2006-11-30

Semiconductor laser

#23
20060120421
2006-06-08

Semiconductor laser and manufacturing method thereof

#24
20060078025
2006-04-13

Ridge waveguide semiconductor laser and method of manufacturing the same

#25
20050286582
2005-12-29

Photosemiconductor device

#26
20050254541
2005-11-17

Semiconductor laser and manufacturing process therefor

#27
20050220391
2005-10-06

Optical integrated device

#28
20050002431
2005-01-06

Semiconductor laser device and method for fabricating the same