KR100745274B1 - 박형 실리콘-온-절연기(soi) 플랫폼에 집적된 다결정질게르마늄계 도파관 검출기 - Google Patents
박형 실리콘-온-절연기(soi) 플랫폼에 집적된 다결정질게르마늄계 도파관 검출기 Download PDFInfo
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Abstract
Description
Claims (21)
- 실리콘 온 절연기(silicon-on-insulator)(SOI) 기반의 광검출기(photodetector) 구조로서,상부면(top surface)을 포함하는 실리콘 기판(silicon substrate)과,상기 실리콘 기판의 상부면을 커버하도록 배치되고, 상부면을 포함하는 매립 옥사이드층(buried oxide layer)과,상기 매립 옥사이드층의 상부면의 적어도 일부를 커버하도록 배치된 서브-미크론 두께의 실리콘 광 도파관층(waveguide layer)과,상기 실리콘 광 도파관층의 일부와 접촉하도록 배치된 폴리-게르마늄(poly-germanium) 검출기층과,상기 폴리-게르마늄 검출기층의 대향 측방향 단자(terminals)에 배치된 한 쌍의 전기 접점을 포함하고,상기 폴리-게르마늄 검출기층은 서브-미크론 두께의 상기 실리콘 광 도파관층을 따라 투과하는 광 신호를 흡수하고 상기 한 쌍의 전기 접점들 사이에 전기 출력 신호를 발생시키기에 적절한 밴드 갭(band gap)을 나타내는 광검출기 구조.
- 제1 항에 있어서,상기 구조는 서브-미크론 두께의 상기 실리콘 광 도파관층과, 상기 폴리-게르마늄 검출기층 사이에 배치된 유전층(dielectric layer)을 추가로 포함하는 광검출기 구조.
- 제1 항에 있어서,상기 서브-미크론 두께의 실리콘 광 도파관층은 슬래브(slab) 형상으로 이루어지고, 상기 폴리-게르마늄 검출기층이 상기 슬래브 형상의 실리콘 광 도파관층의 상부면 부분을 커버하도록 배치된 을 갖는 광검출기 구조.
- 제1 항에 있어서,상기 서브-미크론 두께의 실리콘 광 도파관층은 스트립(strip) 형상으로 이루어지고, 상기 폴리-게르마늄 검출기층이 상기 스트립형상의 상기 실리콘 광 도파관층의 측부 및 상부면 뿐만 아니라 상기 매립 옥사이드층의 상부면의 일부를 컨포멀 코팅(conformally coat)하도록 배치되는 광검출기 구조.
- 제4 항에 있어서,상기 한 쌍의 전기 접점은 하부의 매립 옥사이드층과 직접적으로 접촉하는 폴리-게르마늄층의 일부에 배치되는 광검출기 구조.
- 제5 항에 있어서,상기 구조는 서브-미크론 실리콘 광 스트립 도파관층과 상기 폴리-게르마늄층 사이에 배치된 유전층을 추가로 포함하는 광검출기 구조.
- 제1 항에 있어서,상기 서브-미크론 두께의 실리콘 광 도파관층은 슬래브층을 포함하고, 상기 슬래브층은 상기 슬래브층의 상부면의 일부를 커버하도록 배치된 폴리 실리콘 리브 도파관층과, 상기 실리콘 리브 도파관층의 측부 및 상부면 뿐만 아니라 상기 실리콘 리브 도파관층의 상부면의 일부를 컨포멀 코팅하도록 배치된 폴리-게르마늄 검출기층을 갖는 광검출기 구조.
- 제7 항에 있어서,상기 실리콘 광 도파관층의 슬래브층과 폴리-실리콘 리브 도파관층 사이에 유전성 전기 절연층이 배치되는 광검출기 구조.
- 제1 항에 있어서,상기 서브-미크론 두께의 실리콘 광 도파관층은 실리콘 스트립층을 포함하고, 상기 실리콘 스트립층은 상기 실리콘 스트립층의 상부면의 일부를 커버하도록 배치된 폴리-실리콘 리브 도파관과, 상기 실리콘 스트립층의 측부 및 상부면 뿐만 아니라 상기 스트립층의 상부면의 일부를 컨포멀 코팅(conformally coat)하도록 배치된 폴리-게르마늄 검출기층을 갖는 광검출기 구조.
- 제9 항에 있어서,상기 서브-미크론 두께의 실리콘 광 도파관층은 폴리-실리콘 스트립 도파관층을 포함하고, 상기 실리콘 스트립 도파관층은 상기 실리콘 스프립 도파관층의 상부면의 일부를 커버하도록 배치된 폴리-실리콘 리브 도파관층을 갖는 광검출기 구조.
- 제10 항에 있어서, 상기 폴리-게르마늄 검출기층은 상기 폴리-실리콘 리브 도파관층의 단부 단자에서 상기 실리콘 스트립 도파관층의 측부 및 상부면 뿐만 아니라, 상기 폴리-실리콘 스트립 도파관층의 상부면의 일부를 컨포멀 코팅하도록 배치되는 광검출기 구조.
- 제10 항에 있어서,상기 폴리-게르마늄 검출기층은 상기 검출기의 PN 접합부(PN junction)를 형성하기 위해 p형 및 n형 도핑(doping)의 측방향 영역을 포함하는 광검출기 구조.
- 제10 항에 있어서,상기 폴리-게르마늄 검출기층은 PIN 구조의 광검출기를 형성하기 위해 p형 및 n형 도핑의 측방향 개별 영역을 포함하는 광검출기 구조.
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Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US45934803P | 2003-03-31 | 2003-03-31 | |
| US60/459,348 | 2003-03-31 | ||
| US10/772,724 US6897498B2 (en) | 2003-03-31 | 2004-02-05 | Polycrystalline germanium-based waveguide detector integrated on a thin silicon-on-insulator (SOI) platform |
| US10/772,724 | 2004-02-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20060026847A KR20060026847A (ko) | 2006-03-24 |
| KR100745274B1 true KR100745274B1 (ko) | 2007-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020057018556A Expired - Fee Related KR100745274B1 (ko) | 2003-03-31 | 2004-03-30 | 박형 실리콘-온-절연기(soi) 플랫폼에 집적된 다결정질게르마늄계 도파관 검출기 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6897498B2 (ko) |
| EP (1) | EP1614146A2 (ko) |
| JP (1) | JP2006522465A (ko) |
| KR (1) | KR100745274B1 (ko) |
| CA (1) | CA2528184A1 (ko) |
| WO (1) | WO2004088723A2 (ko) |
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Also Published As
| Publication number | Publication date |
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| CA2528184A1 (en) | 2004-10-14 |
| JP2006522465A (ja) | 2006-09-28 |
| US6897498B2 (en) | 2005-05-24 |
| WO2004088723A3 (en) | 2005-11-03 |
| EP1614146A2 (en) | 2006-01-11 |
| US20040188794A1 (en) | 2004-09-30 |
| KR20060026847A (ko) | 2006-03-24 |
| WO2004088723A2 (en) | 2004-10-14 |
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