ClassID:

216157

H01S5/34313 - 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] in AB compounds, e.g. AlGaAs-laser, InP-based laser with a well layer having only As as V-compound, e.g. AlGaAs, InGaAs

Sub-classes:
Recent Application in this class:
#1
20260095027
2026-04-02

LIGHT EMITTING DEVICE, RANGING DEVICE, AND MOVABLE BODY

#2
20260095026
2026-04-02

HYBRID III-V SILICON OPTICAL DEVICES WITH OXIDE-BASED CURRENT CONFINEMENT

#3
20260045772
2026-02-12

SEMICONDUCTOR LIGHT-EMITTING ELEMENT AND METHOD OF MANUFACTURING THE SAME

#4
20260045771
2026-02-12

QCL DEVICE, EXTERNAL RESONANCE-TYPE QCL MODULE DEVICE, ANALYZER, AND LIGHT IRRADIATION METHOD

#5
20250379419
2025-12-11

WAVELENGTH TUNABLE LASER, WAVELENGTH TUNABLE LASER MODULE, AND METHOD OF MANUFACTURING LAYER STRUCTURE OF WAVELENGTH TUNABLE LASER

#6
20250350093
2025-11-13

SEMICONDUCTOR LASER

#7
20250350090
2025-11-13

HYBRID MEMBRANE EXTERNAL-CAVITY SURFACE EMITTING LASER

#8
20250309617
2025-10-02

SURFACE EMITTING SEMICONDUCTOR LASER AND OPTICAL TRANSMISSION APPARATUS

#9
20250300433
2025-09-25

QUANTUM CASCADE LASER

#10
20250253619
2025-08-07

MONOLITHICALLY INTEGRATED INP ELECTRO-OPTICALLY TUNEABLE RING LASER, A LASER DEVICE AS WELL AS A CORRESPONDING METHOD

#11
20250202200
2025-06-19

BOTTOM EMITTING VCSEL

#12
20250202196
2025-06-19

QUANTUM CASCADE LASER OPTICAL FREQUENCY COMB

#13
20250149859
2025-05-08

HCG TUNABLE VCSEL WITH FULLY OXIDIZED BOTTOM DBR (GAAS BASED VCSEL)

#14
20250105588
2025-03-27

SEMICONDUCTOR LIGHT EMITTING DEVICE

#15
20250096531
2025-03-20

SURFACE EMITTING LASER, LASER DEVICE, DETECTION DEVICE, AND MOBILE OBJECT

#16
20240413615
2024-12-12

METHOD FOR MANUFACTURING QUANTUM CASCADE LASER DEVICE AND QUANTUM CASCADE LASER DEVICE

#17
20240380174
2024-11-14

Light Emitting Device And Projector

#18
20240356303
2024-10-24

PHOTONIC INTEGRATED CIRCUIT DEVICE AND FABRICATION METHOD OF THE SAME

#19
20240348016
2024-10-17

VERTICAL-CAVITY SURFACE-EMITTING LASER WITH ASYMMETRIC APERTURE FOR IMPROVED POLARIZATION STABILITY

#20
20240332913
2024-10-03

LIGHT EMITTING DEVICE, RANGING DEVICE, AND MOVABLE OBJECT

#21
20240283220
2024-08-22

METHOD FOR MANUFACTURING PHOTONIC CRYSTAL AND METHOD FOR MANUFACTURING LIGHT-EMITTING DEVICE

#22
20240275134
2024-08-15

SEMICONDUCTOR LASER DEVICE

#23
20240258770
2024-08-01

VERTICAL CAVITY SURFACE EMITTING LASER AND PREPARATION METHOD THEREFOR

#24
20240258767
2024-08-01

LASER ELEMENT AND ELECTRONIC DEVICE

#25
20240250500
2024-07-25

MONOLITHIC INTEGRATED MULTI-SEGMENT CASCADE OPTICAL FREQUENCY COMB AND CHIP THEREOF

#26
20240243550
2024-07-18

LASER ELEMENT AND ELECTRONIC DEVICE

#27
20240235157
2024-07-11

LASER ELEMENT AND ELECTRONIC DEVICE

#28
20240183955
2024-06-06

TIME-OF-FLIGHT SYSTEM AND TIME-OF-FLIGHT METHODS

#29
20240170919
2024-05-23

DEVICE COUPON

#30
20240154389
2024-05-09

Multi-Electrode Device Using Vertical Cavity Surface Emitting Laser Array with Improved Electro-to-Optical Frequency Response

#31
20240120712
2024-04-11

SEMICONDUCTOR LASER ELEMENT AND LASER MODULE

#32
20240030684
2024-01-25

Bottom emitting VCSEL

#33
20240030683
2024-01-25

SEMICONDUCTOR LASER ELEMENT, SEMICONDUCTOR LASER DEVICE, SEMICONDUCTOR LASER DEVICE MANUFACTURING METHOD, AND GAS ANALYSIS DEVICE

#34
20240006858
2024-01-04

Wavelength Modulated Self-Mixing Interferometry Using Multi-Junction VCSEL Diodes

#35
20240006849
2024-01-04

SEMICONDUCTOR LASER DEVICE AND METHOD FOR MANUFACTURING SEMICONDUCTOR LASER DEVICE

#36
20240006844
2024-01-04

Semiconductor Optical Device

#37
20230408406
2023-12-21

Spectroscopy Device Incorporating a Mid-Infrared Laser

#38
20230387665
2023-11-30

HIGH-POWER EDGE-EMITTING SEMICONDUCTOR LASER WITH ASYMMETRIC STRUCTURE

#39
20230369829
2023-11-16

QUANTUM WELL STRUCTURE, CHIP PROCESSING METHOD, CHIP, AND LASER

#40
20230361535
2023-11-09

SEMICONDUCTOR LASER DEVICE

#41
20230361530
2023-11-09

TWO-DIMENSIONAL PHOTONIC-CRYSTAL LASER

#42
20230231363
2023-07-20

SURFACE-EMITTING SEMICONDUCTOR LASER BASED ON A TRIPLE-LATTICE PHOTONIC CRYSTAL STRUCTURE

#43
20230223742
2023-07-13

ALINGAAS/INGAASP/INP EDGE EMITTING SEMICONDUCTOR LASER INCLUDING MULTIPLE MONOLITHIC LASER DIODES

#44
20230216277
2023-07-06

LIGHT SOURCE DEVICE, AND RANGING DEVICE

#45
20230198224
2023-06-22

OPTICAL DEVICE AND LIGHT-EMITTING DEVICE

#46
20230178965
2023-06-08

SEMICONDUCTOR STACK AND LIGHT-EMITTING DEVICE

#47
20230178964
2023-06-08

Strained Quantum Well Structure, Optical Semiconductor Device, and Semiconductor Laser

#48
20230163570
2023-05-25

OPTICAL DEVICE

#49
20230163567
2023-05-25

SURFACE EMITTING QUANTUM CASCADE LASER

#50
20230163566
2023-05-25

TWO-DIMENSIONAL PHOTONIC-CRYSTAL LASER

#51
20230117347
2023-04-20

QUANTUM CASCADE LASER ELEMENT AND QUANTUM CASCADE LASER DEVICE

#52
20230102405
2023-03-30

SEMICONDUCTOR LASER DIODE INCLUDING MULTIPLE ACTIVE LAYERS AND A GRATING LAYER

#53
20230090469
2023-03-23

LIGHT-EMITTING DEVICE AND METHOD OF MANUFACTURING LIGHT-EMITTING DEVICE

#54
20230045980
2023-02-16

METHOD FOR MANUFACTURING OPTICAL SEMICONDUCTOR DEVICE

#55
20230036709
2023-02-02

Monolithically integrated mid-infrared two-dimensional optical phased array

#56
20230036079
2023-02-02

VERTICAL CAVITY SURFACE-EMITTING LASER

#57
20230021325
2023-01-26

SEMICONDUCTOR LASER DEVICE AND METHOD OF MANUFACTURING THE SAME

#58
20230006424
2023-01-05

BURIED HETEROSTRUCTURE SEMICONDUCTOR OPTICAL AMPLIFIER AND METHOD FOR FABRICATING THE SAME

#59
20230006421
2023-01-05

VERTICAL CAVITY SURFACE EMITTING LASER ELEMENT, VERTICAL CAVITY SURFACE EMITTING LASER ELEMENT ARRAY, VERTICAL CAVITY SURFACE EMITTING LASER MODULE, AND METHOD OF PRODUCING VERTICAL CAVITY SURFACE EMITTING LASER ELEMENT

#60
20230006420
2023-01-05

GROWTH DEFECT REDUCTION AT GRATING TRANSITION

#61
20230006419
2023-01-05

Tunable Light Source

#62
20220416511
2022-12-29

SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE

#63
20220360038
2022-11-10

SYSTEMS AND METHODS FOR EXTERNAL MODULATION OF A LASER

#64
20220344906
2022-10-27

OPTICAL SEMICONDUCTOR DEVICE AND SEMICONDUCTOR LASER DEVICE

#65
20220344902
2022-10-27

Semiconductor Laser Structure for Higher-Order Mode Suppression

#66
20220320830
2022-10-06

SURFACE-EMITTING LASER

#67
20220311216
2022-09-29

LASER EMITTER INCLUDING NANOWIRES

#68
20220311205
2022-09-29

Light emitting device and projector

#69
20220285918
2022-09-08

SEMICONDUCTOR LIGHT-EMITTING ELEMENT AND METHOD OF MANUFACTURING THE SAME

#70
20220278505
2022-09-01

Semiconductor light emitting array with phase modulation regions for generating beam projection patterns

#71
20220271508
2022-08-25

SURFACE LIGHT-EMISSION TYPE SEMICONDUCTOR LIGHT-EMITTING DEVICE

#72
20220271499
2022-08-25

Long wavelength VCSEL and integrated VCSEL systems on silicon substrates

#73
20220261675
2022-08-18

Quantum system with multiple-wavelength array trap

#74
20220224079
2022-07-14

Vertical-cavity surface-emitting laser

#75
20220224078
2022-07-14

VCSEL with integrated electrodes

#76
20220216672
2022-07-07

Monolithically integrated InP electro-optically tunable ring laser, a laser device as well as a corresponding method

#77
20220200242
2022-06-23

OPTICAL SEMICONDUCTOR INTEGRATED ELEMENT AND METHOD OF MANUFACTURING OPTICAL SEMICONDUCTOR INTEGRATED ELEMENT

#78
20220115836
2022-04-14

LIGHT-EMITTING DEVICE, OPTICAL DEVICE, AND INFORMATION PROCESSING DEVICE

#79
20220102941
2022-03-31

Edge-Emitting Semiconductor Laser Diode and Method of Manufacturing the Same

#80
20220102939
2022-03-31

Directly modulated laser

#81
20220102935
2022-03-31

SEMICONDUCTOR DEVICE AND FABRICATION METHOD

#82
20220094137
2022-03-24

Vertical cavity surface emitting laser device with monolithically integrated photodiode

#83
20220085574
2022-03-17

Optical semiconductor device

#84
20220059995
2022-02-24

Quantum cascade laser

#85
20220037854
2022-02-03

VERTICAL CAVITY SURFACE EMITTING LASER

#86
20220020896
2022-01-20

Infrared light emitters based on interband tunneling in unipolar doped n-type tunneling structures

#87
20220006264
2022-01-06

SEMICONDUCTOR DEVICE AND FABRICATION METHOD

#88
20210399528
2021-12-23

Surface emitting laser device and light emitting device including the same

#89
20210376572
2021-12-02

Laser emitter including nanowires

#90
20210351561
2021-11-11

Folded optical conjugate lens

#91
20210336418
2021-10-28

Integration of modulator and laser in a single chip

#92
20210320479
2021-10-14

Light-emitting element array chip, light-emitting device, optical device, and information processing device

#93
20210320476
2021-10-14

Surface-emitting laser and method of manufacturing the same

#94
20210313770
2021-10-07

Vertical-cavity surface-emitting laser fabrication on large wafer

#95
20210265811
2021-08-26

Light-emitting device, optical device, and information processing apparatus

#96
20210226412
2021-07-22

Light emission device

#97
20210194205
2021-06-24

SURFACE-EMITTING LASER

#98
20210167582
2021-06-03

Semiconductor laser element

#99
20210158850
2021-05-27

Nanosecond non-destructively erasable magnetoresistive random-access memory

#100
20210126424
2021-04-29

SEMICONDUCTOR LASER DIODE AND METHOD FOR PRODUCING SEMICONDUCTOR LASER DIODE

#101
20210111541
2021-04-15

Light-emitting module and manufacturing method thereof, and surface-emitting laser

#102
20210104869
2021-04-08

Tapered-grating single mode lasers and method of manufacturing

#103
20210098971
2021-04-01

Light-emitting element and method for manufacturing the same

#104
20210091540
2021-03-25

Quantum cascade laser and method for manufacturing same

#105
20200412095
2020-12-31

Surface emitting laser

#106
20200412090
2020-12-31

Surface emitting laser

#107
20200412089
2020-12-31

SURFACE EMITTING LASER

#108
20200412084
2020-12-31

VERTICAL CAVITY SURFACE-EMITTING LASER, MANUFACTURING METHOD THEREOF, AND INSPECTION METHOD THEREOF

#109
20200388989
2020-12-10

Wavelength tunable laser

#110
20200381897
2020-12-03

VERTICAL-CAVITY SURFACE-EMITTING LASER WITH CHARACTERISTIC WAVELENGTH OF 910 NM

#111
20200373731
2020-11-26

Light emitting device and projector

#112
20200343690
2020-10-29

Bottom emitting VCSEL

#113
20200313397
2020-10-01

Quantum cascade laser with monolithically integrated passive waveguide

#114
20200303896
2020-09-24

Optical device, lighting apparatus, measuring apparatus, part-inspecting apparatus, robot, electronic device, and movable object

#115
20200285723
2020-09-10

Light-emitting device, optical device, and information processing apparatus

#116
20200274331
2020-08-27

Semiconductor laser wafer and semiconductor laser

#117
20200274328
2020-08-27

Indium-phosphide VCSEL with dielectric DBR

#118
20200274320
2020-08-27

LIGHT EMITTER, LIGHT EMITTING DEVICE, OPTICAL DEVICE, AND INFORMATION PROCESSING APPARATUS

#119
20200249087
2020-08-06

Compact, power-efficient stacked broadband optical emitters

#120
20200235262
2020-07-23

Semiconducting devices containing quantum wells

#121
20200227891
2020-07-16

Widely tunable short-cavity laser

#122
20200227369
2020-07-16

Structures for bonding a group III-V device to a substrate by stacked conductive bumps

#123
20200203932
2020-06-25

SEMICONDUCTOR LASER

#124
20200203925
2020-06-25

Distributed feedback semiconductor laser device

#125
20200166720
2020-05-28

Photonics optoelectrical system

#126
20200136352
2020-04-30

Method of manufacturing surface emitting laser

#127
20200136351
2020-04-30

Method of manufacturing surface emitting laser

#128
20200112139
2020-04-09

Coherent single photon source

#129
20200076161
2020-03-05

Vertical cavity surface emitting laser and method for manufacturing vertical cavity surface emitting laser

#130
20200067274
2020-02-27

Quantum dot comb lasers with external cavity

#131
20200067262
2020-02-27

Semiconductor device, and method for manufacturing semiconductor device

#132
20200059072
2020-02-20

High-efficiency oxide VCSEL with improved light extraction, and manufacturing method thereof

#133
20200052465
2020-02-13

Diode laser with improved mode profile

#134
20200028317
2020-01-23

SEMICONDUCTOR DEVICE AND FABRICATION METHOD

#135
20200006922
2020-01-02

Surface emitting quantum cascade laser

#136
20200006921
2020-01-02

Semiconductor laser device, semiconductor laser module, and welding laser light source system

#137
20200006271
2020-01-02

Structures for bonding a group III-V device to a substrate by stacked conductive bumps

#138
20190386461
2019-12-19

Quantum well placement in a tunable VCSEL

#139
20190334320
2019-10-31

Quantum cascade laser

#140
20190326730
2019-10-24

SEMICONDUCTOR DEVICE AND FABRICATION METHOD

#141
20190326466
2019-10-24

Optical semiconductor element and method of manufacturing optical semiconductor element

#142
20190312412
2019-10-10

Light-emitting device

#143
20190305522
2019-10-03

Emitter array with shared via to an ohmic metal shared between adjacent emitters

#144
20190305518
2019-10-03

VCSEL LASER DIODE HAVING A CARRIER CONFINEMENT LAYER AND METHOD OF FABRICATION OF THE SAME

#145
20190288483
2019-09-19

Semiconductor light emitting array with phase modulation regions for generating beam projection patterns

#146
20190273363
2019-09-05

Quantum cascade laser element

#147
20190273361
2019-09-05

Substrate technology for quantum dot lasers integrated on silicon

#148
20190237932
2019-08-01

Optical module

#149
20190214789
2019-07-11

Guiding and confining of electromagnetic modes in low-index materials

#150
20190214788
2019-07-11

Surface-emitting laser device and light emitting device including the same

#151
20190199064
2019-06-27

Substrate including photonic crystal and method for manufacturing the same, and surface emitting quantum cascade laser

#152
20190190235
2019-06-20

Hybrid vertical current injection electro-optical device with refractive-index-matched current blocking layer

#153
20190181613
2019-06-13

Light-emitting device

#154
20190181608
2019-06-13

Semiconductor laser, electronic apparatus, and method of driving semiconductor laser

#155
20190157845
2019-05-23

Lateral growth of edge-emitting lasers

#156
20190148916
2019-05-16

Semiconductor laser device, semiconductor laser module, and laser light source system for welding

#157
20190148914
2019-05-16

Vertical cavity surface emitting laser, method for fabricating vertical cavity surface emitting laser

#158
20190148912
2019-05-16

Surface-emitting quantum cascade laser

#159
20190140426
2019-05-09

Laser device with a stepped graded index separate confinement heterostructure

#160
20190131761
2019-05-02

Semiconductor light-emitting device and optical device

#161
20190123513
2019-04-25

Transistor laser electrical and optical bistable switching

#162
20190097394
2019-03-28

WAVELENGTH-TUNABLE VERTICAL CAVITY SURFACE EMITTING LASER FOR SWEPT SOURCE OPTICAL COHERENCE TOMOGRAPHY SYSTEM

#163
20190074663
2019-03-07

Surface emitting quantum cascade laser

#164
20190074662
2019-03-07

Light-emitting element and method for manufacturing the same

#165
20190067908
2019-02-28

Vertical cavity surface emitting laser, method for fabricating vertical cavity surface emitting laser

#166
20190067907
2019-02-28

Two-dimensional photonic crystal surface emitting laser and method of manufacturing the same

#167
20190052059
2019-02-14

SURFACE-EMITTING LASER

#168
20190044306
2019-02-07

VERTICAL CAVITY SURFACE EMITTING LASER, METHOD FOR FABRICATING VERTICAL CAVITY SURFACE EMITTING LASER

#169
20190036306
2019-01-31

Method for making a semiconductor laser diode, and laser diode

#170
20190013646
2019-01-10

Single mode vertical-cavity surface-emitting laser

#171
20190011361
2019-01-10

Fluid analyzer

#172
20180375293
2018-12-27

Quantum cascade laser

#173
20180375290
2018-12-27

SEMICONDUCTOR LASER

#174
20180374970
2018-12-27

Light receiving/emitting element, solar cell, optical sensor, light emitting diode, and surface emitting laser element

#175
20180366914
2018-12-20

Semiconductor laser with tensile strained InAlAs electron blocker for 1310 nanometer high temperature operation

#176
20180331502
2018-11-15

Semiconductor laser diode

#177
20180301870
2018-10-18

Air-cavity dominant vertical cavity surface emitting lasers

#178
20180301868
2018-10-18

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

#179
20180301866
2018-10-18

Semiconductor laser and semiconductor laser arrangement

#180
20180287348
2018-10-04

System and method for bound state in continuum laser sources

#181
20180287345
2018-10-04

VCSELs with improved optical and electrical confinement

#182
20180287339
2018-10-04

Optical semiconductor device, optical transmitter module, optical module, and optical transmission equipment, and method for manufacturing thereof

#183
20180287332
2018-10-04

Mode-locked lasers on silicon by palladium bonding and methods therefor

#184
20180278025
2018-09-27

Laterally grown edge emitting laser

#185
20180269655
2018-09-20

Surface emitting semiconductor laser

#186
20180254608
2018-09-06

Spectrally shaped tunable short-cavity laser

#187
20180234584
2018-08-16

Light-emitting component, light-emitting device, and image forming apparatus

#188
20180234583
2018-08-16

Light-emitting component having light-absorbing layer, light-emitting device, and image forming apparatus

#189
20180233534
2018-08-16

Layered structure including thyristor and light-emitting element, light-emitting component, light-emitting device, and image forming apparatus

#190
20180233533
2018-08-16

Light-emitting component, light-emitting device, and image forming apparatus

#191
20180191134
2018-07-05

Light-emitting device having III-V semiconductor gain section coupled to whistle-geometry tunable filter

#192
20180183213
2018-06-28

SEMICONDUCTOR LASER

#193
20180183210
2018-06-28

Surface-emitting semiconductor laser

#194
20180166859
2018-06-14

Quantum cascade semiconductor laser

#195
20180138971
2018-05-17

Optical transmission device

#196
20180138660
2018-05-17

Light emitting element array and optical transmission device

#197
20180123320
2018-05-03

Semiconductor laser diode having multi-quantum well structure

#198
20180109070
2018-04-19

Edge-emitting etched-facet lasers

#199
20180090907
2018-03-29

Edge-emitting etched-facet lasers

#200
20180069375
2018-03-08

Light-emitting element and method for manufacturing the same

#201
20180069374
2018-03-08

Terahertz quantum cascade laser device

#202
20180062349
2018-03-01

Surface emitting laser and atomic oscillator

#203
20180059012
2018-03-01

GAS MEASURING APPARATUS

#204
20180048124
2018-02-15

Integrated quantum cascade laser, semiconductor optical apparatus

#205
20180048121
2018-02-15

Wavelength-tunable vertical cavity surface emitting laser for swept source optical coherence tomography system

#206
20180041011
2018-02-08

Photonic crystal laser and strain measuring device

#207
20180034242
2018-02-01

Monolithic WDM VCSEL arrays by quantum well intermixing

#208
20180034238
2018-02-01

Optical semiconductor device

#209
20170346256
2017-11-30

Edge-emitting semiconductor laser

#210
20170338627
2017-11-23

Quantum cascade laser

#211
20170338624
2017-11-23

Semiconductor laser device

#212
20170324220
2017-11-09

Quantum cascade laser optimized for epitaxial side-down mounting

#213
20170310077
2017-10-26

Passivation of laser facets and systems for performing the same

#214
20170307419
2017-10-26

Encoder and robot having an optical scale with a polarizing portion

#215
20170299433
2017-10-19

Compact, power-efficient stacked broadband optical emitters

#216
20170271848
2017-09-21

Method for manufacturing semiconductor device and semiconductor device

#217
20170264080
2017-09-14

Laser diode assembly

#218
20170256911
2017-09-07

Two-dimensional photonic crystal surface emitting laser

#219
20170256910
2017-09-07

Widely tunable short cavity laser

#220
20170227700
2017-08-10

Laser diode enhancement device

#221
20170222400
2017-08-03

Optoelectronic integrated circuit

#222
20170222399
2017-08-03

Laser device

#223
20170221995
2017-08-03

Split-electrode vertical cavity optical device

#224
20170201069
2017-07-13

Distributed feedback semiconductor laser element

#225
20170194765
2017-07-06

Monolithical widely tunable quantum cascade laser devices

#226
20170187162
2017-06-29

Passively mode-locking semiconductor disk laser (SDL)

#227
20170179685
2017-06-22

Multiwavelength quantum cascade laser via growth of different active and passive cores

#228
20170179684
2017-06-22

Dual wavelength hybrid device

#229
20170168412
2017-06-15

Surface-emitting laser, surface-emitting laser array, laser device, ignitor, internal combustion engine, optical scanner, image forming apparatus, light transmission module, and light emission system

#230
20170125975
2017-05-04

Laser device, information acquisition device, and imaging system

#231
20170117910
2017-04-27

LIGHT SOURCE AND ATOMIC OSCILLATOR

#232
20170117909
2017-04-27

Atomic oscillator

#233
20170117685
2017-04-27

Semiconductor laser device

#234
20170104309
2017-04-13

Semiconductor laser light source and fabrication method

#235
20170077667
2017-03-16

Quantum cascade external cavity laser with metasurfaces

#236
20170070033
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