ClassID:

215902

H01S5/0652 - CPC Classification

Classification description:

Semiconductor lasers; Arrangements for controlling the laser output parameters, e.g. by operating on the active medium; Mode locking; Mode suppression; Mode selection ; Self pulsating; Mode control Coherence lowering or collapse, e.g. multimode emission by additional input or modulation

Recent Application in this class:
#1
20250246870
2025-07-31

Stable UV Laser

#2
20230327403
2023-10-12

INTEGRATED REDUCED-COHERENCE-LENGTH LASER

#3
20220368105
2022-11-17

Laser having reduced coherence via a phaser shifter

#4
20220209487
2022-06-30

Stable UV laser

#5
20200161831
2020-05-21

Semiconductor laser source

#6
20190265409
2019-08-29

OPTICAL AMPLIFIER

#7
20190097396
2019-03-28

Semiconductor laser, light source device, image forming apparatus, image display device, object device, and colored-light generation method

#8
20170229842
2017-08-10

Semiconductor laser with external resonator

#9
20170115960
2017-04-27

Process for quantum random number generation in a multimode laser cavity

#10
20170064265
2017-03-02

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

#11
20160285237
2016-09-29

Method of designing semiconductor laser device, method of designing raman amplifier, methods of manufacturing semiconductor laser device, semiconductor laser device, raman amplifier, and optical communication system

#12
20150116673
2015-04-30

Circuit for producing a laser diode control signal

#13
20140240611
2014-08-28

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

#14
20140071455
2014-03-13

Stabilized pump laser output system and method

#15
20130044771
2013-02-21

System and method for optimization of coherence length of tunable laser sources

#16
20120147910
2012-06-14

SEMICONDUCTOR LASER DEVICE AND DRIVING METHOD OF THE SAME

#17
20110205504
2011-08-25

Laser display system with optical feedback configured to reduce speckle artifacts

#18
20110168913
2011-07-14

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

#19
20100157401
2010-06-24

Apparatus and method for reading and apparatus for reading and writing holograms

#20
20100142973
2010-06-10

Semiconductor laser with low relative intensity noise of individual longitudinal modes and optical transmission system incorporating the laser

#21
20100080253
2010-04-01

Laser display system with optical feedback configured to reduce speckle artifacts

#22
20100079848
2010-04-01

Speckle reduction in display systems that employ coherent light sources

#23
20100020838
2010-01-28

Laser diode, optical disk device and optical pickup

#24
20090316742
2009-12-24

Semiconductor laser device and driving method of the same

#25
20090310641
2009-12-17

LASER LIGHT SOURCE, PLANAR LIGHT SOURCE, AND LIQUID CRYSTAL DISPLAY DEVICE

#26
20090245303
2009-10-01

Laser light source device

#27
20090213878
2009-08-27

Broad-Area Microlasers and Methods for Driving Them

#28
20090196320
2009-08-06

Wavelength converter apparatus

#29
20090175302
2009-07-09

Method and apparatus for reducing optical signal speckle

#30
20090103576
2009-04-23

System and Method of Providing Second Harmonic Generation (SHG) Light in a Single Pass

#31
20090097507
2009-04-16

Wavelength and intensity stabilized laser diode and application of same to pumping solid-state lasers

#32
20090067459
2009-03-12

Illumination light source device and laser projection device

#33
20090059202
2009-03-05

Sample analyzer including a high frequency control component and sample analyzing method

#34
20080310465
2008-12-18

Method and Laser Device for Stabilized Frequency Doubling

#35
20080247429
2008-10-09

Coherence reduction of diode lasers

#36
20080247426
2008-10-09

Broad-Area Microlasers and Methods for Driving Them

#37
20080212639
2008-09-04

Broadband laser lamp with reduced speckle

#38
20070295974
2007-12-27

Incoherent combination of laser beams

#39
20070230527
2007-10-04

Fundamental-wave light source and wavelength converter

#40
20060198400
2006-09-07

Providing low-coherence light

#41
20060018007
2006-01-26

System and method for dynamic range extension and stable low power operation of optical amplifiers using pump laser pulse modulation

#42
20050175047
2005-08-11

Stable high efficiency multiple wavelength laser sources

#43
20050123012
2005-06-09

Laser module

#44
17834616
2026-02-17

Current-mode AC-coupled optical driver device

#45
17141788
2023-10-17

Method and system for providing directional light sources with broad spectrum

#46
16170592
2019-12-10

Method and system for providing directional light sources with broad spectrum

#47
15798213
2018-11-06

Method and system for providing directional light sources with broad spectrum

#48
14828760
2016-11-29

Multi-wavelength laser cavity