ClassID:

216132

H01S5/3402 - page 2 - 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] having no PN junction, e.g. unipolar lasers, intersubband lasers, quantum cascade lasers intersubband lasers, e.g. transitions within the conduction or valence bands

Recent Application in this class:
#301
20110032966
2011-02-10

Laser device

#302
20110026556
2011-02-03

Quantum cascade laser

#303
20110024721
2011-02-03

Semiconductor light emitting device

#304
20110007768
2011-01-13

Quantum cascade laser

#305
20100309942
2010-12-09

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

#306
20100291717
2010-11-18

Optimized process for fabricating light-emitting devices using artificial materials

#307
20100290494
2010-11-18

Quantum cascade laser suitable for portable applications

#308
20100232457
2010-09-16

Laser device

#309
20100195686
2010-08-05

Quantum cascade detector type device with high injector

#310
20100193710
2010-08-05

Laser apparatus and extreme ultraviolet light source apparatus

#311
20100177798
2010-07-15

Passively mode locked quantum cascade lasers

#312
20100164636
2010-07-01

Oscillation device

#313
20100135337
2010-06-03

Methods and apparatus for generating terahertz radiation

#314
20100111127
2010-05-06

Quantum cascade laser

#315
20100067557
2010-03-18

High-efficiency unipolar quantum cascade laser

#316
20100067554
2010-03-18

Fast wavelength tuning techniques for external cavity lasers

#317
20100029026
2010-02-04

METHOD OF FABRICATING AN OPTICAL ANALYSIS DEVICE COMPRISING A QUANTUM CASCADE LASER AND A QUANTUM DETECTOR

#318
20100002739
2010-01-07

Lens coupled quantum cascade laser

#319
20090310639
2009-12-17

Laser device

#320
20090283749
2009-11-19

Quantum-well photoelectric device assembled from nanomembranes

#321
20090224153
2009-09-10

Target marker having quantum cascade laser for thermally marking a target

#322
20090213890
2009-08-27

Quantum cascade laser

#323
20090194697
2009-08-06

Apparatus for use in operator training with, and the testing and evaluation of, infrared sensors which are for missile detection

#324
20090161715
2009-06-25

Laser device

#325
20090034570
2009-02-05

Quantum cascade laser structure

#326
20090022196
2009-01-22

High efficiency intersubband semiconductor lasers

#327
20080304524
2008-12-11

Quantum cascade laser suitable for portable applications

#328
20080273565
2008-11-06

EXCITED STATE QUANTUM CASCADE PHOTON SOURCE

#329
20080232413
2008-09-25

Multiple phonon resonance quantum cascade lasers

#330
20080219312
2008-09-11

QUANTUM CASCADE LASER DEVICE

#331
20080219308
2008-09-11

Quantum cascade laser

#332
20080137704
2008-06-12

Tuneable unipolar lasers

#333
20080069164
2008-03-20

Quantum cascade laser

#334
20080043794
2008-02-21

Intersubband quantum box stack lasers

#335
20070280319
2007-12-06

Laser device

#336
20070248131
2007-10-25

High efficiency intersubband semiconductor lasers

#337
20070064757
2007-03-22

Avalanche quantum intersubband transition semiconductor laser

#338
20070051963
2007-03-08

Semiconductor light source

#339
20070040181
2007-02-22

Crystalline composition, wafer, and semi-conductor structure

#340
20070030865
2007-02-08

External cavity tunable compact Mid-IR laser

#341
20060215720
2006-09-28

Quantum cascade laser with grating formed by a periodic variation in doping

#342
20060215718
2006-09-28

Quantum cascade laser

#343
20060203865
2006-09-14

Buried heterostructure quantum cascade laser

#344
20060169996
2006-08-03

Crystalline composition, wafer, and semi-conductor structure

#345
20060153262
2006-07-13

Terahertz quantum cascade laser

#346
20060133437
2006-06-22

Organic injection laser

#347
20060056466
2006-03-16

Semiconductor light source with electrically tunable emission wavelength

#348
20050276298
2005-12-15

Tuneable unipolar lasers

#349
20050249473
2005-11-10

Method for enhancing optical characteristics of multilayer optoelectronic components

#350
20050226296
2005-10-13

Intersubband mid-infrared electroluminescent semiconductor devices

#351
20050213627
2005-09-29

Quantum cascade laser structure

#352
20050157303
2005-07-21

Semiconductor diode laser spectrometer arrangement and method

#353
20050117618
2005-06-02

THz semiconductor laser incorporating a controlled plasmon confinement waveguide

#354
20050073740
2005-04-07

Optical wavelength shifting

#355
20050041711
2005-02-24

Intersubband semiconductor lasers with enhanced subband depopulation rate

#356
20050036530
2005-02-17

Unipolar quantum cascade laser

#357
17407461
2025-09-30

Distributed Bragg reflector quantum cascade lasers

#358
16954000
2024-08-27

Integrated III-V/silicon atomic force microscopy active optical probe

#359
16512903
2020-07-21

Infrared illumination device configured with a gallium and nitrogen containing laser source

#360
16245224
2021-01-12

Tunable multilayer terahertz magnon generator

#361
16184982
2023-01-31

Grazing angle probe mount for quantum cascade lasers

#362
16137149
2019-09-03

Fundamental mode operation in broad area quantum cascade lasers

#363
15676825
2018-09-25

Fundamental mode operation in broad area quantum cascade lasers

#364
15145951
2017-08-22

Terahertz quantum cascade lasers

#365
14183261
2017-03-14

Tuneable photonic device including an array of metamaterial resonators