ClassID:

216137

H01S5/3408 - CPC Classification

Classification description:

Semiconductor lasers; Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well lasers [SQW-lasers], multiple quantum well lasers [MQW-lasers] or graded index separate confinement heterostructure lasers [GRINSCH-lasers] characterised by specially shaped wells, e.g. triangular

Recent Application in this class:
#1
20260018865
2026-01-15

ZINC OXIDE-BASED QUANTUM CASCADE LASER ELEMENT

#2
20250246870
2025-07-31

Stable UV Laser

#3
20240178638
2024-05-30

SEMICONDUCTOR LASER DIODE ARRAY AND THE METHOD FOR MANUFACTURING A TWO-DIMENSIONAL SEMICONDUCTOR LASER DIODE ARRAY

#4
20230178965
2023-06-08

SEMICONDUCTOR STACK AND LIGHT-EMITTING DEVICE

#5
20220255298
2022-08-11

LASER SOURCE AND METHOD FOR FORMING THE SAME

#6
20220209487
2022-06-30

Stable UV laser

#7
20210399528
2021-12-23

Surface emitting laser device and light emitting device including the same

#8
20210194216
2021-06-24

STACKED SEMICONDUCTOR LASERS WITH CONTROLLED SPECTRAL EMISSION

#9
20200381898
2020-12-03

SEMICONDUCTOR LIGHT-EMITTING DEVICE

#10
20200303898
2020-09-24

Semiconductor light source

#11
20190386461
2019-12-19

Quantum well placement in a tunable VCSEL

#12
20190267511
2019-08-29

Semiconductor layer sequence having pre- and post-barrier layers and quantum wells

#13
20190059717
2019-02-28

OPTICAL AMPLIFIER, OPTICAL COHERENCE TOMOGRAPHY INCLUDING OPTICAL AMPLIFIER, AND OPTICAL AMPLIFICATION METHOD USING OPTICAL AMPLIFIER

#14
20190036303
2019-01-31

Semiconductor light source

#15
20180301868
2018-10-18

Self-referencing frequency comb based on high-order sideband generation

#16
20180261982
2018-09-13

SEMICONDUCTOR LASER

#17
20180261981
2018-09-13

Semiconductor laser

#18
20180183213
2018-06-28

SEMICONDUCTOR LASER

#19
20180152003
2018-05-31

Method and device concerning III-nitride edge emitting laser diode of high confinement factor with lattice matched cladding layer

#20
20170338627
2017-11-23

Quantum cascade laser

#21
20170201069
2017-07-13

Distributed feedback semiconductor laser element

#22
20170125975
2017-05-04

Laser device, information acquisition device, and imaging system

#23
20170063042
2017-03-02

Semiconductor laser device

#24
20160087142
2016-03-24

Semiconductor layer sequence and method of operating an optoelectronic semiconductor chip

#25
20150228851
2015-08-13

Semiconductor light emitting device

#26
20150053917
2015-02-26

Semiconductor light emitting device

#27
20130087761
2013-04-11

Semiconductor light emitting device

#28
20110249936
2011-10-13

Transmitter photonic integrated circuit (TxPIC) chip

#29
20110008039
2011-01-13

Forward error correction (FEC) enabled photonic integrated circuit (PIC) chips with multiple signal channels

#30
20100208761
2010-08-19

Quantum well active region with three dimensional barriers and fabrication

#31
20090279828
2009-11-12

Wavelength locking and power control systems for multi-channel photonic integrated circuits (PICs)

#32
20090202196
2009-08-13

Method of tuning optical components integrated in a monolithic photonic integrated circuit (PIC)

#33
20090166668
2009-07-02

Nitride semiconductor light emitting device

#34
20080191190
2008-08-14

Epi-structure with uneven multi-quantum well and the method thereof

#35
20080063407
2008-03-13

Digital optical network architecture

#36
20070248299
2007-10-25

Monolithic transmitter photonic integrated circuit (TxPIC) semiconductor chip

#37
20070242919
2007-10-18

Monolithic transmitter photonic integrated circuit (TxPIC) with integrated optical components in circuit signal channels

#38
20070242918
2007-10-18

Transmitter photonic integrated circuits (TXPICS) with directly modulated lasers and wavelength selective combiners

#39
20070183738
2007-08-09

Monolithic photonic integrated circuit (PIC) with forward error correction (FEC)

#40
20070172169
2007-07-26

Method of tuning optical components integrated in a monolithic photonic integrated circuit (PIC)

#41
20070122148
2007-05-31

Method of monitoring and controlling the bit error rate (BER) in an optical communication network

#42
20070092177
2007-04-26

Wavelength locking and power control systems for multi-channel photonic integrated circuits (PICS)

#43
20070019901
2007-01-25

Method tuning optical components integrated in a monolithic photonic integrated circuit (PIC)

#44
20070014509
2007-01-18

Optical transmitter

#45
20060289854
2006-12-28

Optical semiconductor device with multiple quantum well structure

#46
20060182441
2006-08-17

Method and apparatus of monitoring and controlling the emission wavelengths of a plurality of laser sources integrated on the same chip or in the same photonic integrated circuit (PIC)

#47
20060083278
2006-04-20

Method and structure for deep well structures for long wavelength active regions

#48
20060067619
2006-03-30

Optical transport network

#49
20060062519
2006-03-23

Monolithic photonic integrated circuit (PIC) CHIP

#50
20060023992
2006-02-02

Method of in-wafer testing of monolithic photonic integrated circuits (PICs) formed in a semiconductor wafer

#51
20050286909
2005-12-29

Optical transmitter

#52
20050276613
2005-12-15

FEC enhanced system for an optical communication network

#53
20050224781
2005-10-13

Ultraviolet group III-nitride-based quantum well laser diodes

#54
20050213883
2005-09-29

Method of optimizing optical channel signal demultiplexing in a monolithic receiver photonic integrated circuit (RxPIC)

#55
20050207696
2005-09-22

Compact, cost-effective optical-electrical-optical (OEO) converter for an optical transmission network

#56
20050201669
2005-09-15

Optical transport network

#57
20050135778
2005-06-23

Method of providing wider window margin in an eye diagram of a received signal in a transmission system

#58
20050135731
2005-06-23

Optical receiver photonic integrated circuit (RxPIC) system

#59
20050135730
2005-06-23

Method of monitoring and controlling the bit error rate (BER) in an optical communication network

#60
20050135729
2005-06-23

Optical transmission network with a receiver photonic integrated circuit (RxPIC) utilizing an optical service chanel (OSC)

#61
20050129350
2005-06-16

Optical transmission network with transmitter photonic integrated circuit (TxPIC) utilizing an optical service channel (OSC)

#62
20050116216
2005-06-02

Optical semiconductor device with multiple quantum well structure

#63
20050100345
2005-05-12

Monolithic transmitter/receiver photonic integrated circuit (Tx/RxPIC) transceiver chip

#64
20050094927
2005-05-05

Probe card for testing in-wafer photonic integrated circuits (PICs) and method of use

#65
20050094926
2005-05-05

Method of calibrating a monolithic transmitter photonic integrated circuit (TXPIC) chip

#66
20050094925
2005-05-05

Method of in-wafer testing of monolithic photonic integrated circuits (PICs) formed in a semiconductor wafer

#67
20050084202
2005-04-21

Monitoring of a laser source with front and rear output photodetectors to determine frontal laser power and power changes over laser lifetime

#68
20050063636
2005-03-24

Method and apparatus for providing an antireflection coating on the output facet of a photonic integrated circuit (PIC) chip

#69
20050025409
2005-02-03

Submount for a photonic integrated circuit (PIC) chip

#70
20050018721
2005-01-27

Method of operating an array of laser sources integrated in a monolithic chip or in a photonic integrated circuit (PIC)

#71
20050018720
2005-01-27

Apparatus and method for tuning a laser source emission wavelength employing a laser source contact comprising electrode segments

#72
20050014300
2005-01-20

Optical probe and method of testing employing an interrogation beam or optical pickup

#73
20050013332
2005-01-20

Method and apparatus of monitoring and controlling the emission wavelengths of a plurality of laser sources integrated on the same chip or in the same photonic integrated circuit (PIC)

#74
20050013331
2005-01-20

Method of tuning integrated laser sources with integrated wavelength tuning elements on the same substrate or in a monolithic photonic integrated circuit (PIC)

#75
20050013330
2005-01-20

Method of tuning optical components integrated on a monolithic chip