ClassID:

215868

H01S5/0604 - CPC Classification

Classification description:

Semiconductor lasers; Arrangements for controlling the laser output parameters, e.g. by operating on the active medium comprising a non-linear region, e.g. generating harmonics of the laser frequency

Sub-classes:
Recent Application in this class:
#1
20250286345
2025-09-11

SYSTEM AND METHOD PROVIDING QUANTUM AND CLASSICAL CORRELATION BETWEEN MULTIPLE LASERS MEDIATED BY A NONLINEAR OPTICAL RESONATOR

#2
20240275119
2024-08-15

Method for removing unwanted etalon effect in semiconductor gain chip

#3
20230128226
2023-04-27

LASER APPARATUS AND METHOD

#4
20230120953
2023-04-20

LASER SYSTEM FOR HARMONIC GENERATION WITHOUT INTRACAVITY ASTIGMATISM

#5
20220337031
2022-10-20

Resonantly enhanced frequency conversion with adaptive thermal-lensing compensation

#6
20220190922
2022-06-16

Heterogeneous integration of frequency comb generators for high-speed transceivers

#7
20220045480
2022-02-10

Efficient generation of spatially-restructurable high-order HG-modes in a laser cavity

#8
20210408761
2021-12-30

Monolithic light source with integrated optics based on nonlinear frequency conversion

#9
20210391690
2021-12-16

Fast modulation of the resonant frequency of an optical resonator

#10
20210351570
2021-11-11

Quantum cascade laser device

#11
20210305786
2021-09-30

Quantum cascade laser

#12
20210210928
2021-07-08

Generation of high-power spatially-restructurable spectrally-tunable beams in a multi-arm-cavity VECSEL-based laser system

#13
20200244044
2020-07-30

Light frequency up-conversion of laser light, for producing green or yellow light

#14
20200153201
2020-05-14

Push-pull circuit with driving assisted by asymmetric charge sharing

#15
20200083666
2020-03-12

Generation of high-power spatially-restructurable spectrally-tunable beams in a multi-arm-cavity vecsel-based laser system

#16
20200033460
2020-01-30

Multifrequency ocean lidar power optimizer

#17
20190312408
2019-10-10

Generation of high-power spatially-restructurable spectrally-tunable beams in a multi-arm-cavity VECSEL-based laser system

#18
20190148912
2019-05-16

Surface-emitting quantum cascade laser

#19
20180269653
2018-09-20

Methods and apparatus for mode-locking on-chip lasers

#20
20180069374
2018-03-08

Terahertz quantum cascade laser device

#21
20170373467
2017-12-28

Current control device and laser device

#22
20170323716
2017-11-09

183NM laser and inspection system

#23
20170302054
2017-10-19

Monolithically integrated infrared transceiver

#24
20170302049
2017-10-19

Method and system for pumping of an optical resonator

#25
20170063044
2017-03-02

Quantum cascade laser

#26
20170063038
2017-03-02

Quantum cascade laser

#27
20170033536
2017-02-02

Quantum cascade laser

#28
20160352072
2016-12-01

MONOLITHIC TUNABLE TERAHERTZ RADIATION SOURCE USING NONLINEAR FREQUENCY MIXING IN QUANTUM CASCADE LASERS

#29
20160308331
2016-10-20

Terahertz quantum cascade laser implementing a {hacek over (C)}erenkov difference-frequency generation scheme

#30
20160301181
2016-10-13

Method and system for pumping of an optical resonator

#31
20160268770
2016-09-15

Laser light-emitting apparatus

#32
20160248225
2016-08-25

Chip-scale power scalable ultraviolet optical source

#33
20160149371
2016-05-26

Apparatus and method for tunable generation of coherent radiation

#34
20160099544
2016-04-07

LASER APPARATUS

#35
20160099540
2016-04-07

183NM laser and inspection system

#36
20160087408
2016-03-24

Quantum-cascade laser

#37
20150288144
2015-10-08

Non-linear vertical-cavity surface-emitting laser equalization

#38
20150277136
2015-10-01

Laser Projection System with Potassium Gadolinium Tungstate

#39
20150244143
2015-08-27

Methods and apparatus for generating terahertz radiation

#40
20150222075
2015-08-06

Method and system for pumping of an optical resonator

#41
20150139257
2015-05-21

Non-linear vertical-cavity surface-emitting laser equalization

#42
20150078409
2015-03-19

Laser light source apparatus, and method for controlling temperature of wavelength conversion element in laser light source apparatus

#43
20150078407
2015-03-19

Semiconductor laser excited solid state laser device and laser light output method

#44
20140341245
2014-11-20

On-chip electrically pumped optical parametric source

#45
20140269787
2014-09-18

Wavelength versatile vecsel raman laser

#46
20140061470
2014-03-06

Short optical pulse generator, terahertz wave generation device, camera, imaging apparatus, and measurement apparatus

#47
20130287056
2013-10-31

Terahertz wave emission laser device with a perforated structure

#48
20130272324
2013-10-17

Monolithic Laser Cavity

#49
20130272323
2013-10-17

Methods and apparatus for generating terahertz radiation

#50
20130250979
2013-09-26

Stabilizing beam pointing of a frequency-converted laser system

#51
20130215916
2013-08-22

Laser apparatus

#52
20130195128
2013-08-01

Multiple wavelength laser system

#53
20130156054
2013-06-20

MONOLITHIC, FIBER-TO-FIBER COUPLED NONLINEAR RESONATOR FOR BREWSTER CUT PERIODICALLY POLED CRYSTALS

#54
20130156053
2013-06-20

Electromagnetic wave oscillating devices and a method of producing the same

#55
20120320447
2012-12-20

SEMICONDUCTOR LASER, SURFACE EMITTING SEMICONDUCTOR LASER, SEMICONDUCTOR LASER MODULE, AND NON-LINEAR OPTICAL DEVICE

#56
20120093179
2012-04-19

Intra-cavity optical parametric oscillator

#57
20110222564
2011-09-15

METHODS AND APPARATUS FOR GENERATING TERAHERTZ RADIATION

#58
20110188525
2011-08-04

Terahertz wave emission laser device

#59
20110044363
2011-02-24

Surface emitting laser

#60
20110019704
2011-01-27

Laser beam source device, lighting device, image display apparatus, and monitoring apparatus

#61
20100329298
2010-12-30

INTRACAVITY FREQUENCY-CONVERTED SOLID-STATE LASER FOR THE VISIBLE WAVELENGTH REGION

#62
20100322272
2010-12-23

Minimizing power variations in laser sources

#63
20100309942
2010-12-09

Quantum Cascade Lasers (QCLs) Configured to Emit Light Having a Wavelength in the 2.5 - 3.8 Micrometer Band

#64
20100254417
2010-10-07

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

#65
20100142570
2010-06-10

Pulsed laser light source based on frequency conversion

#66
20100135337
2010-06-03

Methods and apparatus for generating terahertz radiation

#67
20100040093
2010-02-18

Laser beam source device, lighting device, image display apparatus, and monitoring apparatus

#68
20090116525
2009-05-07

Optoelectronic systems providing high-power high-brightness laser light based on field coupled arrays, bars and stacks of semicondutor diode lasers

#69
20090097510
2009-04-16

Optical parametric micro-oscillator comprising couplet cavities

#70
20080175284
2008-07-24

Light emitting device for visual applications

#71
20080151948
2008-06-26

Frequency-doubled edge-emitting semiconductor lasers

#72
20070121694
2007-05-31

Surface emitting laser

#73
20060056477
2006-03-16

Laser diode with a frequency converter

#74
20050073740
2005-04-07

Optical wavelength shifting

#75
15879721
2020-02-04

Growth/fabrication of organic-inorganic quasi phase-matching structures for frequency conversion devices

#76
15350369
2018-05-01

Growth/fabrication of organic-inorganic quasi phase-matching structures for frequency conversion devices

#77
14210433
2015-05-12

Vibration resistant optically pumped semiconductor laser