KR20140106625A - 낮은 항복 전압을 갖는 애벌랜치 포토다이오드 - Google Patents
낮은 항복 전압을 갖는 애벌랜치 포토다이오드 Download PDFInfo
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- KR20140106625A KR20140106625A KR1020147017849A KR20147017849A KR20140106625A KR 20140106625 A KR20140106625 A KR 20140106625A KR 1020147017849 A KR1020147017849 A KR 1020147017849A KR 20147017849 A KR20147017849 A KR 20147017849A KR 20140106625 A KR20140106625 A KR 20140106625A
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- 230000015556 catabolic process Effects 0.000 title claims abstract description 5
- 238000010521 absorption reaction Methods 0.000 claims abstract description 11
- 230000003287 optical effect Effects 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 23
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 21
- 229910052710 silicon Inorganic materials 0.000 claims description 17
- 239000010703 silicon Substances 0.000 claims description 17
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 8
- 229910052732 germanium Inorganic materials 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 238000002161 passivation Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 abstract description 4
- 239000000969 carrier Substances 0.000 abstract description 2
- 230000005684 electric field Effects 0.000 description 8
- 230000035945 sensitivity Effects 0.000 description 5
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000008685 targeting Effects 0.000 description 2
- 241000408659 Darpa Species 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/81—Bodies
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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
- 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
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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
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Abstract
Description
도 1은 본 발명의 실시예들에 따른 애벌랜치 포토다이오드(APD)의 단면도를 예시하는 도면.
도 2는 도 1의 APD의 이상적인 내부 전기장 분포의 플롯을 예시하는 도면.
도 3은 도 1의 APD의 시뮬레이션된 암전류(dark current) 및 광전류(photocurrent)의 플롯을 예시하는 도면.
도 4는 도 1의 APD의 측정된 암전류 및 광전류의 플롯을 예시하는 도면.
도 5는 본 발명의 실시예들에 따른 2개의 샘플 APD의 측정된 대역폭의 플롯을 예시하는 도면.
Claims (24)
- 기판,
상기 기판 상에 배치된 n-타입 도핑된 실리콘(n+ Si) 층,
상기 n+ Si 층의 일부분 상에 배치된 진성 실리콘(i-Si) 층,
상기 i-Si 층 상에 배치된 p-타입 도핑된 실리콘(p Si) 층,
상기 p Si 층의 일부분 상에 배치된 진성 게르마늄(i-Ge) 층, 및
상기 i-Ge 층 상에 배치된 p-타입 도핑된 실리콘(p+ Ge) 층
을 포함하고,
상기 i-Si 층의 두께는 약 0.07 내지 0.13 마이크로미터(㎛) 사이인 애벌랜치 포토다이오드(APD). - 제1항에 있어서,
상기 p Si 층의 두께는 약 20 나노미터(nm)인 APD. - 제1항에 있어서,
상기 i-Si 층의 두께는 약 100 nm인 APD. - 제1항에 있어서,
상기 i-Si 층의 도핑 농도는 5x1015 cm-3보다 작은 APD. - 제1항에 있어서,
상기 p Si 층의 도핑 농도는 약 2x1018 cm-3 내지 3x1018 cm-3 사이인 APD. - 제1항에 있어서,
상기 p+ Ge 층, 상기 p Si 층, 및 상기 n+ Si 층의 일부분들 상에 배치된 패시베이션(passivation) 층,
상기 p+ Ge 층 상에 배치된 제1 금속 컨택, 및
상기 n+ Si 층 상에 배치된 제2 금속 컨택을 더 포함하는 APD. - 제1항에 있어서,
항복 바이어스(breakdown bias)와 연관되고, 상기 항복 바이어스는 12 볼트(V)보다 작은 APD. - 제7항에 있어서,
상기 항복 바이어스는 약 8.5 V인 APD. - 제1항에 있어서,
동작 대역폭과 연관되고, 상기 동작 대역폭은 약 10 GHz인 APD. - 제1항에 있어서,
약 8.5 V의 항복 바이어스, 및
8 GHz 보다 큰 동작 대역폭을 더 포함하는 APD. - 제10항에 있어서,
상기 동작 대역폭은 10 GHz보다 큰 APD. - 제1항에 있어서,
상기 p+ Ge 층 및 상기 i-Ge 층은 흡수 영역을 형성하는 APD. - 제12항에 있어서,
광 에너지를 상기 흡수 영역 내로 가이드(guide)하도록 구성되는 도파관(waveguide)을 더 포함하는 APD. - 제1항에 있어서,
상기 p Si 층, 상기 i-Si 층, 및 상기 n+ Si 층은 캐리어 증대(carrier multiplication) 영역을 형성하는 APD. - 애벌랜치 포토다이오드(APD)를 포함하는, 사전 정의된 동작 전압을 갖는 회로
를 포함하고,
상기 APD는,
기판,
상기 기판 상에 배치된 n-타입 도핑된 실리콘(n+ Si) 층,
상기 n+ Si 층의 일부분 상에 배치된 진성 실리콘(i-Si) 층,
상기 i-Si 층 상에 배치된 p-타입 도핑된 실리콘(p Si) 층,
상기 p Si 층의 일부분 상에 배치된 진성 게르마늄(i-Ge) 층, 및
상기 i-Ge 층 상에 배치된 p-타입 도핑된 실리콘(p+ Ge) 층
을 포함하고,
상기 i-Si 층의 두께는 약 0.07 내지 0.13 마이크로미터(㎛) 사이이고,
상기 APD의 항복 바이어스는 상기 회로의 상기 동작 전압 아래인 전자 디바이스. - 제15항에 있어서,
상기 회로의 사전 정의된 동작 전압은 12 V인 전자 디바이스. - 제15항에 있어서,
상기 APD의 항복 바이어스는 약 8.5 V인 전자 디바이스. - 제15항에 있어서,
상기 p Si 층의 두께는 약 20 나노미터(nm)인 전자 디바이스. - 제1항에 있어서,
상기 i-Si 층의 두께는 약 100 nm인 전자 디바이스. - 제1항에 있어서,
상기 i-Si 층의 도핑 농도는 5x1015 cm-3보다 작은 전자 디바이스. - 제1항에 있어서,
상기 p Si 층의 도핑 농도는 약 2x1018 cm-3 내지 3x1018 cm-3 사이인 전자 디바이스. - 약 0.07 내지 0.13 마이크로미터(㎛) 사이의 두께 및 약 5x1015 cm-3보다 작은 도핑 농도를 갖는 진성 실리콘(i-Si) 층, 및
약 20 nm의 두께 및 약 2x1018 cm-3 내지 3x1018 cm-3 사이의 도핑 농도를 갖는 p-타입 도핑된 실리콘(p Si) 층
을 포함하는 애벌랜치 포토다이오드(APD). - 제22항에 있어서,
상기 p Si 층은 상기 i-Si 층 상에 배치되는 APD. - 제22항에 있어서,
상기 i-Si 층은 약 100 나노미터(nm)의 두께를 갖는 APD.
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PCT/US2011/067934 WO2013101110A1 (en) | 2011-12-29 | 2011-12-29 | Avalanche photodiode with low breakdown voltage |
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US (1) | US9614119B2 (ko) |
EP (1) | EP2798677A4 (ko) |
KR (1) | KR20140106625A (ko) |
CN (2) | CN104025315B (ko) |
TW (2) | TWI637529B (ko) |
WO (1) | WO2013101110A1 (ko) |
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US9299864B2 (en) * | 2014-02-21 | 2016-03-29 | Sifotonics Technologies Co., Ltd. | Ge/Si avalanche photodiode with integrated heater and fabrication thereof |
TWI544303B (zh) | 2015-01-30 | 2016-08-01 | 財團法人工業技術研究院 | 單光子雪崩光電二極體的超額偏壓控制系統與方法 |
CN104794294B (zh) * | 2015-04-27 | 2017-11-24 | 重庆邮电大学 | 一种Ge/Si SACM结构雪崩光电二极管的等效电路模型建立方法 |
WO2017019013A1 (en) * | 2015-07-27 | 2017-02-02 | Hewlett Packard Enterprise Development Lp | Doped absorption devices |
CN105679875B (zh) * | 2016-03-08 | 2017-03-01 | 昆明理工大学 | 一种波导集成的硅基单光子探测器 |
JP7024976B2 (ja) | 2016-07-26 | 2022-02-24 | コニカミノルタ株式会社 | 受光素子及び近赤外光検出器 |
EP3480862B1 (en) * | 2016-07-26 | 2022-01-19 | Konica Minolta, Inc. | Light-receiving element and near infrared light detector |
CN106531822B (zh) * | 2016-11-29 | 2017-12-19 | 电子科技大学 | 一种光电探测器 |
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US10854768B2 (en) | 2018-12-20 | 2020-12-01 | Hewlett Packard Enterprise Development Lp | Optoelectronic component with current deflected to high-gain paths comprising an avalanche photodiode having an absorbing region on a p-doped lateral boundary, an n-doped lateral boundary and an amplifying region |
US10797194B2 (en) | 2019-02-22 | 2020-10-06 | Hewlett Packard Enterprise Development Lp | Three-terminal optoelectronic component with improved matching of electric field and photocurrent density |
EP3940798A1 (en) * | 2020-07-13 | 2022-01-19 | Imec VZW | Avalanche photodiode device with a curved absorption region |
CN114631186A (zh) * | 2020-09-27 | 2022-06-14 | 深圳市大疆创新科技有限公司 | 器件及其制备方法、接收芯片、测距装置、可移动平台 |
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2011
- 2011-12-29 EP EP11879014.6A patent/EP2798677A4/en not_active Withdrawn
- 2011-12-29 CN CN201180076057.4A patent/CN104025315B/zh active Active
- 2011-12-29 WO PCT/US2011/067934 patent/WO2013101110A1/en active Application Filing
- 2011-12-29 KR KR1020147017849A patent/KR20140106625A/ko active Search and Examination
- 2011-12-29 CN CN201710897038.7A patent/CN107658351B/zh active Active
- 2011-12-29 US US13/976,379 patent/US9614119B2/en active Active
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CN107658351B (zh) | 2019-12-17 |
CN107658351A (zh) | 2018-02-02 |
EP2798677A1 (en) | 2014-11-05 |
TWI646697B (zh) | 2019-01-01 |
EP2798677A4 (en) | 2015-10-14 |
TWI637529B (zh) | 2018-10-01 |
CN104025315A (zh) | 2014-09-03 |
US9614119B2 (en) | 2017-04-04 |
TW201824577A (zh) | 2018-07-01 |
US20140151839A1 (en) | 2014-06-05 |
CN104025315B (zh) | 2017-11-03 |
WO2013101110A1 (en) | 2013-07-04 |
TW201340355A (zh) | 2013-10-01 |
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