JP2017034028A - 半導体受光素子 - Google Patents
半導体受光素子 Download PDFInfo
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- JP2017034028A JP2017034028A JP2015150723A JP2015150723A JP2017034028A JP 2017034028 A JP2017034028 A JP 2017034028A JP 2015150723 A JP2015150723 A JP 2015150723A JP 2015150723 A JP2015150723 A JP 2015150723A JP 2017034028 A JP2017034028 A JP 2017034028A
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- 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
- H10F30/22—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 the devices having only one potential barrier, e.g. photodiodes
- H10F30/225—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 the devices having only one potential barrier, e.g. photodiodes the potential barrier working in avalanche mode, e.g. avalanche photodiodes
- H10F30/2255—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 the devices having only one potential barrier, e.g. photodiodes the potential barrier working in avalanche mode, e.g. avalanche photodiodes in which the active layers form heterostructures, e.g. SAM structures
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- 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
- H10F77/12—Active materials
- H10F77/124—Active materials comprising only Group III-V materials, e.g. GaAs
- H10F77/1248—Active materials comprising only Group III-V materials, e.g. GaAs having three or more elements, e.g. GaAlAs, InGaAs or InGaAsP
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/544—Solar cells from Group III-V materials
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Abstract
【解決手段】半絶縁基板1上にバッファ層2、p型コンタクト層3、光吸収層4、p型電界緩和層6、電子増倍層7、n型電界緩和層8及びn型コンタクト層10が順に積層されている。バッファ層2は、InP層2aとAlxGayIn1−x−yAs層2b(0.16≦x≦0.48、0≦y≦0.31)を交互に積層した超格子を有し、光吸収層4で吸収される波長帯域の光を吸収しない。
【選択図】図1
Description
Claims (4)
- 半絶縁性基板と、
前記半絶縁基板上に順に積層されたバッファ層、p型コンタクト層、光吸収層、p型電界緩和層、電子増倍層、n型電界緩和層及びn型コンタクト層とを備え、
前記バッファ層は、InP層とAlxGayIn1−x−yAs層(0.16≦x≦0.48、0≦y≦0.31)を交互に積層した超格子を有し、前記光吸収層で吸収される波長帯域の光を吸収しないことを特徴とする半導体受光素子。 - 前記光吸収層は、前記p型コンタクト層上に互いに分離して形成された第1及び第2の光吸収層を有し、
前記p型電界緩和層は、前記第1及び第2の光吸収層上にそれぞれ形成された第1及び第2のp型電界緩和層を有し、
前記電子増倍層は、前記第1及び第2のp型電界緩和層上にそれぞれ形成された第1及び第2の電子増倍層を有し、
前記n型電界緩和層は、前記第1及び第2の電子増倍層上にそれぞれ形成された第1及び第2のn型電界緩和層を有し、
前記n型コンタクト層は、前記第1及び第2のn型電界緩和層上にそれぞれ形成された第1及び第2のn型コンタクト層を有し、
前記第1の光吸収層、前記第1のp型電界緩和層、前記第1の電子増倍層、前記第1のn型電界緩和層及び前記第1のn型コンタクト層は第1のアバランシェフォトダイオードを構成し、
前記第2の光吸収層、前記第2のp型電界緩和層、前記第2の電子増倍層、前記第2のn型電界緩和層及び前記第2のn型コンタクト層は第2のアバランシェフォトダイオードを構成することを特徴とする請求項1に記載の半導体受光素子。 - 前記バッファ層は半絶縁性ドーパントがドーピングされていることを特徴とする請求項1又は2に記載の半導体受光素子。
- 前記バッファ層の前記AlxGayIn1−x−yAs層中の酸素濃度が1E+15cm−3以上、1E+20cm−3以下であることを特徴とする請求項1又は2に記載の半導体受光素子。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015150723A JP6507912B2 (ja) | 2015-07-30 | 2015-07-30 | 半導体受光素子 |
| US15/054,841 US10079324B2 (en) | 2015-07-30 | 2016-02-26 | Semiconductor light-receiving device |
| CN201610617954.6A CN106409966B (zh) | 2015-07-30 | 2016-07-29 | 半导体受光元件 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015150723A JP6507912B2 (ja) | 2015-07-30 | 2015-07-30 | 半導体受光素子 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2017034028A true JP2017034028A (ja) | 2017-02-09 |
| JP2017034028A5 JP2017034028A5 (ja) | 2018-03-29 |
| JP6507912B2 JP6507912B2 (ja) | 2019-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2015150723A Active JP6507912B2 (ja) | 2015-07-30 | 2015-07-30 | 半導体受光素子 |
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| Country | Link |
|---|---|
| US (1) | US10079324B2 (ja) |
| JP (1) | JP6507912B2 (ja) |
| CN (1) | CN106409966B (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7024918B1 (ja) * | 2021-01-21 | 2022-02-24 | 三菱電機株式会社 | アバランシェフォトダイオード |
| WO2022118643A1 (ja) * | 2020-12-04 | 2022-06-09 | 浜松ホトニクス株式会社 | 半導体受光素子 |
| JP7562047B1 (ja) * | 2023-12-20 | 2024-10-04 | 三菱電機株式会社 | 半導体受光素子、光回線終端装置、多値強度変調送受信装置、デジタルコヒーレント受信装置、光ファイバ無線システム、spadセンサーシステム、及びライダー装置 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102868049B1 (ko) * | 2020-02-03 | 2025-10-01 | 삼성전자주식회사 | 적외선 검출 소자 및 이를 포함하는 적외선 검출 시스템 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022118643A1 (ja) * | 2020-12-04 | 2022-06-09 | 浜松ホトニクス株式会社 | 半導体受光素子 |
| JPWO2022118643A1 (ja) * | 2020-12-04 | 2022-06-09 | ||
| JP7024918B1 (ja) * | 2021-01-21 | 2022-02-24 | 三菱電機株式会社 | アバランシェフォトダイオード |
| WO2022157888A1 (ja) * | 2021-01-21 | 2022-07-28 | 三菱電機株式会社 | アバランシェフォトダイオード |
| JP7562047B1 (ja) * | 2023-12-20 | 2024-10-04 | 三菱電機株式会社 | 半導体受光素子、光回線終端装置、多値強度変調送受信装置、デジタルコヒーレント受信装置、光ファイバ無線システム、spadセンサーシステム、及びライダー装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20170033254A1 (en) | 2017-02-02 |
| CN106409966A (zh) | 2017-02-15 |
| JP6507912B2 (ja) | 2019-05-08 |
| CN106409966B (zh) | 2018-12-18 |
| US10079324B2 (en) | 2018-09-18 |
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