JP7783738B2 - 量子カスケード素子 - Google Patents
量子カスケード素子Info
- Publication number
- JP7783738B2 JP7783738B2 JP2021207192A JP2021207192A JP7783738B2 JP 7783738 B2 JP7783738 B2 JP 7783738B2 JP 2021207192 A JP2021207192 A JP 2021207192A JP 2021207192 A JP2021207192 A JP 2021207192A JP 7783738 B2 JP7783738 B2 JP 7783738B2
- Authority
- JP
- Japan
- Prior art keywords
- quantum cascade
- substrate
- layer
- quantum
- photonic crystal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/0206—Substrates, e.g. growth, shape, material, removal or bonding
- H01S5/0215—Bonding to the substrate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
- H01S5/042—Electrical excitation ; Circuits therefor
- H01S5/0425—Electrodes, e.g. characterised by the structure
- H01S5/04252—Electrodes, e.g. characterised by the structure characterised by the material
- H01S5/04253—Electrodes, e.g. characterised by the structure characterised by the material having specific optical properties, e.g. transparent electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
- H01S5/042—Electrical excitation ; Circuits therefor
- H01S5/0425—Electrodes, e.g. characterised by the structure
- H01S5/04256—Electrodes, e.g. characterised by the structure characterised by the configuration
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/11—Comprising a photonic bandgap structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
- H01S5/185—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only horizontal cavities, e.g. horizontal cavity surface-emitting lasers [HCSEL]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/30—Structure or shape of the active region; Materials used for the active region
- H01S5/34—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
- H01S5/3401—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers having no PN junction, e.g. unipolar lasers, intersubband lasers, quantum cascade lasers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F30/00—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors
- H10F30/20—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors the devices having potential barriers, e.g. phototransistors
- H10F30/21—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors the devices having potential barriers, e.g. phototransistors the devices being sensitive to infrared, visible or ultraviolet radiation
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F77/00—Constructional details of devices covered by this subclass
- H10F77/10—Semiconductor bodies
- H10F77/14—Shape of semiconductor bodies; Shapes, relative sizes or dispositions of semiconductor regions within semiconductor bodies
- H10F77/146—Superlattices; Multiple quantum well structures
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F77/00—Constructional details of devices covered by this subclass
- H10F77/40—Optical elements or arrangements
- H10F77/413—Optical elements or arrangements directly associated or integrated with the devices, e.g. back reflectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/0201—Separation of the wafer into individual elements, e.g. by dicing, cleaving, etching or directly during growth
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/0233—Mounting configuration of laser chips
- H01S5/02345—Wire-bonding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/024—Arrangements for thermal management
- H01S5/02469—Passive cooling, e.g. where heat is removed by the housing as a whole or by a heat pipe without any active cooling element like a TEC
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/20—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers
- H01S5/2004—Confining in the direction perpendicular to the layer structure
- H01S5/2018—Optical confinement, e.g. absorbing-, reflecting- or waveguide-layers
- H01S5/2027—Reflecting region or layer, parallel to the active layer, e.g. to modify propagation of the mode in the laser or to influence transverse modes
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Light Receiving Elements (AREA)
- Semiconductor Lasers (AREA)
- Optical Integrated Circuits (AREA)
Description
d=dact/2+(λ/Nseff)×M
ここで、dactは、量子カスケード層30の積層方向の厚さ、λは、レーザ光LLの波長、Nseffは、第2基板20の材料のレーザ光LLの波長における実効的な屈折率、Mは、任意の整数である。
Claims (6)
- 第1基板と、
前記第1基板の表面上に設けられ、前記第1基板の前記表面に垂直な方向に交互に積層された複数の量子井戸層と複数の障壁層とを含む量子カスケード層と、
前記量子カスケード層に接合され、前記複数の障壁層のうちの最上層に接する接合面に設けられた凹部により構成されるフォトニック結晶を含む第2基板と、
を備え、
前記量子カスケード層と前記フォトニック結晶とは酸化膜を介して接触しており、
前記酸化膜は、前記凹部の内部には設けられていない、量子カスケード素子。 - 前記量子カスケード層に電流を流すための電極を含み、
前記量子カスケード層におけるサブバンド間遷移によるレーザ光を発する請求項1に記載の量子カスケード素子。 - 前記第2基板の前記接合面とは反対側の表面上に積層された多層膜からなる反射層をさらに備える請求項2に記載の量子カスケード素子。
- 前記反射層上に設けられ、前記量子カスケード層から放射される光を反射する金属膜をさらに備える請求項3に記載の量子カスケード素子。
- 前記量子カスケード層の光吸収により生じる電流を検出するための電極をさらに含む請求項1に記載の量子カスケード素子。
- 前記第1基板は、インジウムリンを含み、
前記第2基板は、シリコンを含む、請求項1~5のいずれか1つに記載の量子カスケード素子。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021207192A JP7783738B2 (ja) | 2021-12-21 | 2021-12-21 | 量子カスケード素子 |
| EP22201066.2A EP4203209A1 (en) | 2021-12-21 | 2022-10-12 | Quantum cascade element |
| US17/976,590 US20240146032A1 (en) | 2021-12-21 | 2022-10-28 | Quantum cascade element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021207192A JP7783738B2 (ja) | 2021-12-21 | 2021-12-21 | 量子カスケード素子 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2023092164A JP2023092164A (ja) | 2023-07-03 |
| JP7783738B2 true JP7783738B2 (ja) | 2025-12-10 |
Family
ID=83691499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021207192A Active JP7783738B2 (ja) | 2021-12-21 | 2021-12-21 | 量子カスケード素子 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20240146032A1 (ja) |
| EP (1) | EP4203209A1 (ja) |
| JP (1) | JP7783738B2 (ja) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000182916A (ja) | 1998-12-11 | 2000-06-30 | Matsushita Electric Ind Co Ltd | 半導体デバイスおよび半導体ウェーハおよび製造方法 |
| JP2005159002A (ja) | 2003-11-26 | 2005-06-16 | Seiko Epson Corp | 受光素子、光モジュール、及び光伝送装置 |
| JP2008243963A (ja) | 2007-03-26 | 2008-10-09 | Kyoto Univ | 2次元フォトニック結晶面発光レーザ |
| JP2009231773A (ja) | 2008-03-25 | 2009-10-08 | Sumitomo Electric Ind Ltd | フォトニック結晶面発光レーザ素子およびその製造方法 |
| JP2010161329A (ja) | 2008-12-08 | 2010-07-22 | Canon Inc | 二次元フォトニック結晶を備えた面発光レーザ |
| CN102025110A (zh) | 2009-09-09 | 2011-04-20 | 中国科学院半导体研究所 | 斜腔面二维光子晶体分布反馈量子级联激光器及制备方法 |
| JP2012023326A (ja) | 2009-09-04 | 2012-02-02 | Sumitomo Chemical Co Ltd | 半導体基板、電界効果トランジスタ、集積回路、及び半導体基板の製造方法 |
| JP2018041832A (ja) | 2016-09-07 | 2018-03-15 | 浜松ホトニクス株式会社 | 半導体発光素子及び発光装置 |
| WO2018159606A1 (ja) | 2017-02-28 | 2018-09-07 | 国立大学法人京都大学 | フォトニック結晶レーザ |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0770474B2 (ja) * | 1985-02-08 | 1995-07-31 | 株式会社東芝 | 化合物半導体装置の製造方法 |
| US7206488B1 (en) * | 2004-09-22 | 2007-04-17 | The Board Of Trustees Of The Leland Stanford Junior University | Coupled photonic crystal resonator array arrangements and applications |
-
2021
- 2021-12-21 JP JP2021207192A patent/JP7783738B2/ja active Active
-
2022
- 2022-10-12 EP EP22201066.2A patent/EP4203209A1/en active Pending
- 2022-10-28 US US17/976,590 patent/US20240146032A1/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000182916A (ja) | 1998-12-11 | 2000-06-30 | Matsushita Electric Ind Co Ltd | 半導体デバイスおよび半導体ウェーハおよび製造方法 |
| JP2005159002A (ja) | 2003-11-26 | 2005-06-16 | Seiko Epson Corp | 受光素子、光モジュール、及び光伝送装置 |
| JP2008243963A (ja) | 2007-03-26 | 2008-10-09 | Kyoto Univ | 2次元フォトニック結晶面発光レーザ |
| JP2009231773A (ja) | 2008-03-25 | 2009-10-08 | Sumitomo Electric Ind Ltd | フォトニック結晶面発光レーザ素子およびその製造方法 |
| JP2010161329A (ja) | 2008-12-08 | 2010-07-22 | Canon Inc | 二次元フォトニック結晶を備えた面発光レーザ |
| JP2012023326A (ja) | 2009-09-04 | 2012-02-02 | Sumitomo Chemical Co Ltd | 半導体基板、電界効果トランジスタ、集積回路、及び半導体基板の製造方法 |
| CN102025110A (zh) | 2009-09-09 | 2011-04-20 | 中国科学院半导体研究所 | 斜腔面二维光子晶体分布反馈量子级联激光器及制备方法 |
| JP2018041832A (ja) | 2016-09-07 | 2018-03-15 | 浜松ホトニクス株式会社 | 半導体発光素子及び発光装置 |
| WO2018159606A1 (ja) | 2017-02-28 | 2018-09-07 | 国立大学法人京都大学 | フォトニック結晶レーザ |
Also Published As
| Publication number | Publication date |
|---|---|
| US20240146032A1 (en) | 2024-05-02 |
| JP2023092164A (ja) | 2023-07-03 |
| EP4203209A1 (en) | 2023-06-28 |
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