ClassID:

215937

H01S5/1057 - CPC Classification

Classification description:

Semiconductor lasers; Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region; Comprising an active region having a varying composition or cross-section in a specific direction varying composition along the optical axis

Recent Application in this class:
#1
20240186765
2024-06-06

METHOD FOR MANUFACTURING A LIGHT EMITTING SEMICONDUCTOR CHIP AND LIGHT EMITTING SEMICONDUCTOR CHIP

#2
20220149597
2022-05-12

SEMICONDUCTOR OPTICAL AMPLIFIER ARRAY DEVICE

#3
20200057198
2020-02-20

Grating with plurality of layers

#4
20200021076
2020-01-16

Semiconductor device and method for manufacturing semiconductor device

#5
20190331854
2019-10-31

Grating with plurality of layers

#6
20180183212
2018-06-28

Laser devices

#7
20160301192
2016-10-13

III-V lasers with integrated silicon photonic circuits

#8
20150030047
2015-01-29

III-V lasers with integrated silicon photonic circuits

#9
20120320940
2012-12-20

Laser device and method of manufacture thereof

#10
20120190147
2012-07-26

Method of manufacturing semiconductor optical element

#11
20120070156
2012-03-22

Semiconductor optical amplifier

#12
20120056293
2012-03-08

Semiconductor optical element

#13
20110058586
2011-03-10

NITRIDE SEMICONDUCTOR LASER

#14
20100208761
2010-08-19

Quantum well active region with three dimensional barriers and fabrication

#15
20100165356
2010-07-01

Semiconductor optical element

#16
20100022044
2010-01-28

Laser device, laser module, semiconductor laser and fabrication method of semiconductor laser

#17
20090103584
2009-04-23

Nitride semiconductor laser device and method of producing the same

#18
20080084906
2008-04-10

Semiconductor optical element

#19
20080069169
2008-03-20

Spatial bandgap modifications and energy shift of semiconductor structures

#20
20070263694
2007-11-15

Laser device, laser module, semiconductor laser and fabrication method of semiconductor laser

#21
20070152225
2007-07-05

Optical broadband emitters and methods of making the same

#22
20070058243
2007-03-15

Extended optical bandwidth semiconductor source

#23
20070036188
2007-02-15

Wavelength tunable semiconductor laser having two difractive grating areas

#24
20050265647
2005-12-01

System for amplifying optical signals

#25
20050238073
2005-10-27

Spatial bandgap modifications and energy shift of semiconductor structures

#26
20050041698
2005-02-24

Fabry-perot laser generating mode-locked channel and method for fabricating the same

#27
20050040386
2005-02-24

Multiple quantum well broad spectrum gain medium and method for forming same

#28
20050007658
2005-01-13

Extended bandwidth semiconductor optical amplifier systems and methods