ClassID:

216128

H01S5/32391 - CPC Classification

Classification description:

Semiconductor lasers; Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures in AB compounds, e.g. AlGaAs-laser, InP-based laser emitting light at a wavelength longer than 1000 nm, e.g. InP-based 1300 nm and 1500 nm lasers based on In(Ga)(As)P

Recent Application in this class:
#1
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2025-11-20

OPTICAL PACKAGE AND METHOD OF MANUFACTURE

#2
20250286344
2025-09-11

OPTICAL PACKAGE AND METHOD OF MANUFACTURE

#3
20250233388
2025-07-17

VERTICALLY INTEGRATED ELECTRO-ABSORPTION MODULATED LASERS AND METHODS OF FABRICATION

#4
20250233387
2025-07-17

VERTICALLY INTEGRATED ELECTRO-ABSORPTION MODULATED LASERS AND METHODS OF FABRICATION

#5
20230291180
2023-09-14

QUANTUM CASCADE LASER ELEMENT AND QUANTUM CASCADE LASER DEVICE

#6
20220337320
2022-10-20

Systems and methods for optical full-field transmission using photonic integration

#7
20220190550
2022-06-16

Vertically integrated electro-absorption modulated lasers and methods of fabrication

#8
20210345477
2021-11-04

SEMICONDUCTOR LASER ACCELERATOR AND LASER ACCELERATION UNIT THEREOF

#9
20210273410
2021-09-02

Semiconductor laser

#10
20210273408
2021-09-02

Thin-film filter for tunable laser

#11
20210203130
2021-07-01

Wavelength drift suppression for burst-mode tunable EML transmitter

#12
20210203129
2021-07-01

Burst mode laser driving circuit

#13
20210151949
2021-05-20

BONDING VERTICAL CAVITY SURFACE EMITTING LASER DIE ONTO A SILICON WAFER

#14
20210126432
2021-04-29

Method of manufacturing semiconductor device

#15
20200336211
2020-10-22

Systems and methods for optical full-field transmission using photonic integration

#16
20200136353
2020-04-30

Method of manufacturing optical semiconductor apparatus and the apparatus

#17
20200098567
2020-03-26

Optical semiconductor element and method of manufacturing the same

#18
20190044307
2019-02-07

Externally-strain-engineered semiconductor photonic and electronic devices and assemblies and methods of making same

#19
20180090911
2018-03-29

Externally-strain-engineered semiconductor photonic and electronic devices and assemblies and methods of making same

#20
20170098920
2017-04-06

Integrated high-power tunable laser with adjustable outputs

#21
20120243074
2012-09-27

Semiconductor optical amplifier

#22
20090225804
2009-09-10

SEMICONDUCTOR LASER AND METHOD FOR MANUFACTURING THE SAME

#23
20070183470
2007-08-09

Distributed feedback semiconductor laser

#24
20060291516
2006-12-28

Distributed bragg reflector type directly modulated laser and distributed feed back type directly modulated laser

#25
20050141578
2005-06-30

Laser diode structure with blocking layer

#26
18214191
2024-10-29

Systems and methods for optical full-field transmission using photonic integration

#27
16599533
2022-07-12

Integrated high-power tunable laser with adjustable outputs

#28
16133660
2019-11-05

Integrated high-power tunable laser with adjustable outputs