ClassID:

215883

H01S5/06213 - CPC Classification

Classification description:

Semiconductor lasers; Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in single-section lasers Amplitude modulation

Recent Application in this class:
#1
20250047068
2025-02-06

DISTRIBUTED FEEDBACK LASERS AND METHODS FOR FABRICATING SUCH LASERS

#2
20250015559
2025-01-09

METHOD FOR PHYSICAL RANDOM NUMBER GENERATION USING A VERTICAL CAVITY SURFACE EMITTING LASER

#3
20250007240
2025-01-02

DML DRIVER

#4
20240250499
2024-07-25

SEMICONDUCTOR LASER DEVICE, OPTICAL APPARATUS, AND METHOD OF CONTROLLING SEMICONDUCTOR LASER DEVICE

#5
20230291174
2023-09-14

Method for physical random number generation using a vertical cavity surface emitting laser

#6
20220320829
2022-10-06

WAVELENGTH BEAM COMBINING DEVICE INCLUDING OUTPUT CONTROL UNIT FOR CONTROLLING LIGHT SOURCE UNIT TO HAVE VARIABLE OUTPUT

#7
20220059987
2022-02-24

DML driver

#8
20210313765
2021-10-07

Method for producing optical semiconductor device

#9
20210216284
2021-07-15

Method for physical random number generation using a vertical cavity surface emitting laser

#10
20210203124
2021-07-01

HIGH POWER AND HIGH QUALITY LASER SYSTEM AND METHOD

#11
20200194964
2020-06-18

Optical device based on series push-pull operation

#12
20200091678
2020-03-19

Accurate current mirror circuit in low voltage headroom applied to laser drivers

#13
20190245324
2019-08-08

Laser driver circuit and optical transmitter using the same

#14
20190089130
2019-03-21

Wavelength beam combining device including output control unit for controlling light source unit to have variable output

#15
20190044301
2019-02-07

Semiconductor light-emitting device

#16
20180372620
2018-12-27

Analyzer, absorption characteristic calculation circuit, and analysis method

#17
20180351325
2018-12-06

Driver circuit

#18
20180309267
2018-10-25

Optical device and method for controlling such a device

#19
20180309265
2018-10-25

Circuit and method of operating a laser diode

#20
20180159633
2018-06-07

Optical transmitter, active optical cable, and optical transmission method

#21
20180145482
2018-05-24

Circuit and method of operating a laser diode

#22
20180138649
2018-05-17

Optical module

#23
20180033547
2018-02-01

Electric system with control winding and method of adjusting same

#24
20170118452
2017-04-27

Laser projection display device and driving method for laser beam source

#25
20170115960
2017-04-27

Process for quantum random number generation in a multimode laser cavity

#26
20170104310
2017-04-13

Optical module

#27
20170064265
2017-03-02

Laser driving circuit, laser driving method, and device using laser light

#28
20160315713
2016-10-27

Method and circuit to reduce power consumption of optical transmitter

#29
20160299065
2016-10-13

Method and gas analyzer for measuring the concentration of a gas component in a sample gas

#30
20150333477
2015-11-19

Method, system and apparatus for hybrid optical and electrical pumping of semiconductor lasers and LEDs for improved reliability at high temperatures

#31
20150331672
2015-11-19

Random number generator

#32
20150155687
2015-06-04

Semiconductor laser and optical semiconductor device

#33
20150155682
2015-06-04

Direct modulated laser

#34
20140376578
2014-12-25

Laser emission device with integrated light modulator

#35
20140376577
2014-12-25

Variable bandgap modulator for a modulated laser system

#36
20140328359
2014-11-06

Laser apparatus

#37
20140240611
2014-08-28

Laser driving circuit, laser driving method, and device using laser light

#38
20140161148
2014-06-12

Light-emitting device having photon-lifetime modulation

#39
20140098828
2014-04-10

Wavelength-tunable light source and wavelength variation method

#40
20130308664
2013-11-21

Method and apparatus for reducing the amplitude modulation of optical signals in external cavity lasers

#41
20130094530
2013-04-18

Semiconductor laser driving circuit and semiconductor laser device including the same

#42
20120249009
2012-10-04

High speed light emitting semiconductor methods and devices

#43
20120170605
2012-07-05

VCSEL with surface filtering structures

#44
20120113999
2012-05-10

DRIVER FOR LASER DIODE IMPLEMENTED WITH OFFSET CONTROL

#45
20120063476
2012-03-15

Optical wavelength comb generator device

#46
20120044279
2012-02-23

Image Projection Apparatus and Laser Beam Projection Apparatus

#47
20110274440
2011-11-10

Optical spectral filtering and dispersion compensation using semiconductor optical amplifiers

#48
20110262144
2011-10-27

Compensation of distortion from SBS/IIN suppression modulation

#49
20110261845
2011-10-27

Chirp compensation and SBS suppression using a multi-section laser

#50
20110168913
2011-07-14

Phase locked sideband beams by bias modulation of an external cavity laser diode having a grating

#51
20110158651
2011-06-30

METHOD AND APPARATUS FOR FILTERING LOCKING

#52
20110110388
2011-05-12

Method and apparatus for reducing the amplitude modulation of optical signals in external cavity lasers

#53
20100295617
2010-11-25

Apparatus and method for driving an LED

#54
20100289427
2010-11-18

Light emitting and lasing semiconductor methods and devices

#55
20100272140
2010-10-28

High speed light emitting semiconductor methods and devices

#56
20100254417
2010-10-07

Method of controlling a frequency-converted laser source comprising an external optical feedback component

#57
20100228089
2010-09-09

Endoscopic light source

#58
20100215068
2010-08-26

Frequency converted laser sources and methods for operating frequency converted laser sources

#59
20100208335
2010-08-19

Semiconductor optical amplifier device

#60
20100202487
2010-08-12

SEMICONDUCTOR LASER AND METHOD FOR OPERATING A SEMICONDUCTOR LASER

#61
20100135675
2010-06-03

Laser diode driver driven in shunt mode by signals complementary to each other

#62
20100091806
2010-04-15

Semiconductor Lasers with Improved Temporal, Spectral, and Spatial Stability and Beam Profile Uniformity

#63
20090196628
2009-08-06

Optical transmitting module and optical transmitting device

#64
20090184233
2009-07-23

Control of light emitting and receiving elements of optical module based on property data associated with elements as stored on memory circuit of optical module

#65
20090099797
2009-04-16

Method to produce an optical module for analog data transmission

#66
20090067459
2009-03-12

Illumination light source device and laser projection device

#67
20090028200
2009-01-29

Laser diode drive circuit, electronic circuit, method for controlling laser diode drive circuit, and method for controlling duty

#68
20080298417
2008-12-04

Optical spectral filtering and dispersion compensation using semiconductor optical amplifiers

#69
20080094693
2008-04-24

Optical spectral filtering and dispersion compensation using semiconductor optical amplifiers

#70
20080063016
2008-03-13

Thermal compensation in semiconductor lasers

#71
20070253454
2007-11-01

Method for optimizing laser diode operating current

#72
20070237193
2007-10-11

Electro-absorption modulated laser using coupling for chirp correction

#73
20070154218
2007-07-05

Optical discriminators and systems and methods

#74
20070116075
2007-05-24

Laser diode driver

#75
20070091951
2007-04-26

Gain-coupled distributed quantum cascade laser

#76
20070091295
2007-04-26

Self-mixing laser range sensor

#77
20060159139
2006-07-20

System and method for modulating a semiconductor laser

#78
20050286575
2005-12-29

Control method and control circuit for laser diode, and optical transmitter using the same

#79
20050271396
2005-12-08

Directly modulated laser optical transmission system

#80
20050238072
2005-10-27

Laser driver circuit

#81
20050226285
2005-10-13

Harmonic generator, method for driving harmonic generator, image-displaying apparatus, image-forming apparatus, optical storage apparatus that employs harmonic generator

#82
16124427
2019-10-22

Laser diode control circuit with rectifier in feedback control loop

#83
12935155
2015-08-25

Optical analyzer and wavelength stabilized laser device for analyzer