ClassID:

216027

H01S5/2054 - 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 Methods of obtaining the confinement

Sub-classes:
Recent Application in this class:
#1
20260155628
2026-06-04

SEMICONDUCTOR LASER MODULES

#2
20250372955
2025-12-04

SEMICONDUCTOR LASER COMPONENTS

#3
20250316962
2025-10-09

PHOTONIC DEVICES WITH IMPROVED LATERAL CURRENT CONFINEMENT

#4
20250279625
2025-09-04

HYBRID INTERGRATED LASER HAVING A SILICON PHOTONIC COUPLER MATCHED TO A PHOTONIC INTEGRATED CIRCUIT

#5
20240413612
2024-12-12

Control Of Current Spread In Semiconductor Laser Devices

#6
20240405514
2024-12-05

SEMICONDUCTOR OPTICAL ELEMENT, MEASUREMENT DEVICE AND LIGHT SOURCE DEVICE USING SEMICONDUCTOR OPTICAL ELEMENT, AND METHOD OF MANUFACTURING SEMICONDUCTOR OPTICAL ELEMENT

#7
20240243552
2024-07-18

METHOD OF MANUFACTURING VERTICAL CAVITY SURFACE EMITTING LASER ELEMENT AND VERTICAL CAVITY SURFACE EMITTING LASER ELEMENT

#8
20240204484
2024-06-20

MULTI-SECTION HIGH POWER SEMICONDUCTOR OPTICAL AMPLIFIER (SOA) AND FABRICATION METHOD THEREOF

#9
20230335975
2023-10-19

LIGHT-EMITTING DEVICE

#10
20230307894
2023-09-28

Light emitting device

#11
20230170672
2023-06-01

OPTOELECTRONIC DEVICES WITH TUNABLE OPTICAL MODE AND CARRIER DISTRIBUTION IN THE WAVEGUIDES

#12
20230104488
2023-04-06

Control of current spread in semiconductor laser devices

#13
20230053516
2023-02-23

Electro-absorption modulated laser with integrated filter layer

#14
20220407291
2022-12-22

Radiation Mode Tailored Semiconductor Laser

#15
20220085574
2022-03-17

Optical semiconductor device

#16
20220077659
2022-03-10

Light emitting device

#17
20220037859
2022-02-03

Light emitting device and projector

#18
20210313774
2021-10-07

Quantum cascade laser element

#19
20210218227
2021-07-15

Low Resistance Vertical Cavity Light Source with PNPN Blocking

#20
20210194209
2021-06-24

Light emitting device and projector

#21
20200328576
2020-10-15

Light emitting device, optical device, and information processing apparatus

#22
20200295538
2020-09-17

Low resistance vertical cavity light source with PNPN blocking

#23
20190260178
2019-08-22

Semiconductor element and method of manufacturing the same

#24
20190131773
2019-05-02

Edge-emitting semiconductor laser and method for operating a semiconductor laser

#25
20190089123
2019-03-21

Hybrid silicon lasers and amplifiers with 2D phosphorene film

#26
20190036306
2019-01-31

Method for making a semiconductor laser diode, and laser diode

#27
20190020176
2019-01-17

Low resistance vertical cavity light source with PNPN blocking

#28
20180366914
2018-12-20

Semiconductor laser with tensile strained InAlAs electron blocker for 1310 nanometer high temperature operation

#29
20180019572
2018-01-18

Low resistance vertical cavity light source with PNPN blocking

#30
20170365982
2017-12-21

Edge-emitting semiconductor laser and method for operating a semiconductor laser

#31
20170310081
2017-10-26

Semiconductor Laser Diode

#32
20170302054
2017-10-19

Monolithically integrated infrared transceiver

#33
20170047480
2017-02-16

Semiconductor optical device and display device

#34
20160064901
2016-03-03

Nitride semiconductor quantum cascade laser

#35
20160056611
2016-02-25

SEMICONDUCTOR LASER RESONATOR AND SEMICONDUCTOR LASER DEVICE INCLUDING THE SAME

#36
20150249321
2015-09-03

Grating based optical transmitter

#37
20150236478
2015-08-20

Photonic device structure and fabrication method thereof

#38
20150236477
2015-08-20

Semiconductor optical device and manufacturing method thereof

#39
20140334508
2014-11-13

Semiconductor laser diode

#40
20140301419
2014-10-09

(Al,Ga,In)N diode laser fabricated at reduced temperature

#41
20130195136
2013-08-01

Semiconductor laser

#42
20110206080
2011-08-25

Laser diode and method of manufacturing the same

#43
20110182313
2011-07-28

Laser diode and method of manufacturing the same

#44
20100142576
2010-06-10

(Al,Ga,In)N diode laser fabricated at reduced temperature

#45
20090092163
2009-04-09

Laser diode and method of manufacturing the same

#46
20080089376
2008-04-17

Current Confining Structure and Semiconductor Laser

#47
20050117618
2005-06-02

THz semiconductor laser incorporating a controlled plasmon confinement waveguide

#48
16551338
2021-01-05

Low resistance vertical cavity light source with PNPN blocking

#49
15466323
2018-04-10

Hybrid III-V on silicon laser device with transverse mode filter

#50
14736494
2016-09-20

Fabrication methodology for optoelectronic integrated circuits