KR20060003046A - 전자 디바이스들을 갖는 실리콘-기반 광학 디바이스들의cmos-호환형 집적 - Google Patents
전자 디바이스들을 갖는 실리콘-기반 광학 디바이스들의cmos-호환형 집적 Download PDFInfo
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Abstract
Description
Claims (46)
- SOI-기반 전기-광학 배열로서,실리콘 기판;매립된 유전체 층;상기 매립된 유전체 층 위에 배치된 단결정 실리콘(SOI)층;적어도 하나의 광학 컴포넌트 에어리어로서, 상기 SOI 층의 일부 위에 배치된 얇은 유전체 층; 및 상기 SOI 층과 부분적으로 중첩하도록 상기 얇은 유전체 층 위에 배치되는 실리콘층을 포함하는, 상기 적어도 하나의 광학 컴포넌트 에어리어;적어도 하나의 전기 컴포넌트 에어리어로서, 상기 적어도 하나의 전기 컴포넌트 에어리어는 상기 SOI 층의 분리된 부분 위에 배치되는 얇은 유전체 층; 및 상기 얇은 유전체 층 위에 배치되는 매우 높게-도핑된 게이트 금속형 실리콘층을 포함하며, 하나 이상의 광학 디바이스들이 상기 광학 컴포넌트 에어리어들 각각에 형성되고 하나 이상의 전기 디바이스들이 상기 전기 컴포넌트 에어리어들 각각에 형성되는, 상기 적어도 하나의 전기 컴포넌트 에어리어; 및하나 이상의 금속 층들을 포함하는 공통 전기 상호접속 배열을 포함하는, SOI-기반으로 한 전기-광학 배열.
- 제1항에 있어서, 상기 매립된 유전체 층은 실리콘 이산화물을 포함하는 SOI-기반으로 한 전기-광학 배열.
- 제2항에 있어서, 상기 실리콘 이산화물 층의 두께는 0.4㎛ 보다 큰 SOI-기반으로 한 전기-광학 배열.
- 제1항에 있어서, 상기 단결정 실리콘층의 두께는 1 미크론보다 작은 SOI-기반으로 한 전기-광학 배열.
- 제1항에 있어서, 상기 적어도 하나의 컴포넌트 에어리어의 실리콘층은 1 미크론보다 작은 두께를 갖는 SOI-기반으로 한 전기-광학 배열.
- 제1항에 있어서, 상기 적어도 하나의 광학 컴포넌트 에어리어 내의 실리콘층은 상기 적어도 하나의 전기 컴포넌트 에어리어 내의 매우 높게-도핑된 게이트 금속형 실리콘층의 두께와 실질적으로 동일한 두께를 갖는 SOI-기반으로 한 전기-광학 배열.
- 제1항에 있어서, 상기 적어도 하나의 광학 컴포넌트 에어리어 내의 실리콘층은 상기 적어도 하나의 전기 컴포넌트 에어리어 내의 매우 높게-도핑된 게이트 금속형 실리콘층의 두께보다 작은 두께를 갖는 SOI-기반으로 한 전기-광학 배열.
- 제1항에 있어서, 상기 적어도 하나의 광학 컴포넌트 에어리어 내의 실리콘층 은 상기 적어도 하나의 전기 컴포넌트 에어리어 내의 상기 매우 높게-도핑된 게이트 금속형 실리콘층의 두께보다 큰 두께를 갖는 SOI-기반으로 한 전기-광학 배열.
- 제1항에 있어서, 상기 적어도 한 광학 컴포넌트 에어리어 내의 실리콘층 두께는 캐리어 변조 영역에 실질적으로 중첩하기 위하여 상기 광학 모드 피크 강도를 한정하도록 선택되는 SOI-기반으로 한 전기-광학 배열.
- 제1항에 있어서, 상기 적어도 하나의 광학 컴포넌트 에어리어 내의 얇은 유전체 층은 1000Å보다 작은 두께를 갖는 SOI-기반으로 한 전기-광학 배열.
- 제1항에 있어서, 상기 적어도 하나의 광학 컴포넌트 에어리어 내의 얇은 유전체 층은 실리콘 이산화물, 실리콘 질화물, 실리콘 옥시나이트리드, 비스무쓰 산화물 및 하프늄 산화물로 이루어진 그룹으로부터 선택되는 SOI-기반으로 한 전기-광학 배열.
- 제1항에 있어서, 상기 적어도 하나의 광학 컴포넌트 에어리어 내의 얇은 유전체 층은 상기 적어도 하나의 전기 컴포넌트 에어리어 내의 얇은 유전체 층의 두께와 실질적으로 동일한 두께를 갖는 SOI-기반으로 한 전기-광학 배열.
- 제1항에 있어서, 상기 적어도 하나의 광학 컴포넌트 에어리어 내의 얇은 유 전체 층은 상기 적어도 하나의 전기 컴포넌트 에어리어 내의 얇은 유전체 층의 두께보다 작은 두께를 갖는 SOI-기반으로 한 전기-광학 배열.
- 제1항에 있어서, 상기 적어도 하나의 광학 컴포넌트 에어리어 내의 얇은 유전체 층은 상기 적어도 하나의 전기 컴포넌트 에어리어 내의 얇은 유전체 층의 두께보다 큰 두께를 갖는 SOI-기반으로 한 전기-광학 배열.
- 제1항에 있어서, 상기 적어도 하나의 광학 컴포넌트 에어리어 내의 실리콘층은 단결정 실리콘, 실질적으로 단결정 실리콘, 스트레인드 실리콘, 비결정 실리콘 및 폴리실리콘으로 이루어진 그룹으로부터 선택되는 SOI-기반으로 한 전기-광학 배열.
- 제15항에 있어서, 상기 폴리실리콘은 그레인-크기-향상된 폴리실리콘, 그레인-정렬된 폴리실리콘, 그레인-경계-패시베이트된 폴리실리콘으로 이루어진 그룹으로부터 선택되는 SOI-기반으로 한 전기-광학 배열.
- 제1항에 있어서, 상기 적어도 하나의 광학 컴포넌트 에어리어 내의 실리콘층은 단층 구조를 포함하는 SOI-기반으로 한 전기-광학 배열.
- 제1항에 있어서, 상기 적어도 하나의 광학 컴포넌트 에어리어 내의 실리콘층 은 다층 구조를 포함하는 SOI-기반으로 한 전기-광학 배열.
- 제18항에 있어서, 상기 다층 구조는 한 가지 이상의 형태의 실리콘을 포함하는 SOI-기반으로 한 전기-광학 배열.
- 제18항에 있어서, 상기 다층 구조의 각 층은 동일한 형태의 실리콘을 포함하는 SOI-기반으로 한 전기-광학 배열.
- 제1항에 있어서, 상기 적어도 하나의 광학 컴포넌트 에어리어 내의 실리콘층의 적어도 한 코너는 둥글게 되어 광학 신호 손실을 감소시키는 SOI-기반으로 한 전기-광학 배열.
- 제1항에 있어서, 상기 적어도 하나의 광학 컴포넌트 에어리어 내의 상기 실리콘층의 적어도 일부분은 능동 "반도체형(semiconductor-like)" 광학 디바이스 영역을 형성하도록 도핑되는 SOI-기반으로 한 전기-광학 배열.
- 제22항에 있어서, 상기 적어도 하나의 능동 광학 디바이스 영역 내의 SOI 층의 부분은 상기 실리콘층의 도전율 타입과 대향되는 도전율 타입을 나타내도록 도핑되는 SOI-기반으로 한 전기-광학 배열.
- 제22항에 있어서, 각 도핑된 부분은 광학 신호의 변조를 위하여 저 도펀트 농도의 분리 영역들 및 전기 동작 신호를 인가하기 위하여 고 도펀트 농도의 분리 영역들을 포함하는 SOI-기반으로 한 전기-광학 배열.
- 제1항에 있어서, 상기 적어도 하나의 광학 컴포넌트 에어리어 내의 상기 실리콘층의 적어도 일부분은 수동 광학 디바이스 영역을 형성하도록 도핑되지 않는 SOI-기반으로 한 전기-광학 배열.
- 제1항에 있어서, 상기 공통 상호접속 배열은 상기 광학 컴포넌트 에어리어들 및 상기 전기 컴포넌트 에어리어들 중 선택된 에어리어들 둘 모두 상에 배치되는 실리사이드 컨택 에어리어들을 포함하며, 상기 실리사이드 컨택 에어리어들은 동일 재료를 포함하고 근본적으로 동일한 두께를 나타내도록 동시에 형성되는 SOI-기반으로 한 전기-광학 배열.
- 제26항에 있어서, 상기 컨택 실리사이드는 탄탈 실리사이드, 티타늄 실리사이드, 텅스텐 실리사이드, 코발트 실리사이드, 니켈 실리사이드, 및 몰리브덴 실리사이드로 이루어진 그룹으로부터 선택되는 SOI-기반으로 한 전기-광학 배열.
- 제1항에 있어서, 상기 공통 전기 상호접속 배열은 능동 광학 컴포넌트 에어리어들 및 전기 컴포넌트 에어리어들 둘 모두 상에 배치되는 제1 금속층에 컨택 에 어리어들 접속 실리사이드를 포함하는 SOI-기반으로 한 전기-광학 배열.
- 제1항에 있어서, 상기 공통 전기 상호접속 배열은 상기 능동 광학 컴포넌트 에어리어들 및 상기 전기 컴포넌트 에어리어들 둘 모두 상에 배치되며, 동일한 재료를 포함하고 적어도 하나의 광학 디바이스 및 적어도 하나의 전기 디바이스 간을 전기 접속시키는 적어도 하나의 금속 층을 포함하는 SOI-기반으로 한 전기-광학 배열.
- 제1항에 있어서, 상기 공통 전기 상호접속 배열은 금속간 층 접속 통로들을 사용하여 상호접속되는 상기 광학 컴포넌트 에어리어들 및 상기 전기 컴포넌트 에어리어들 상에 배치되며, 동일한 재료들을 포함하고 동시에 형성되는 적어도 2개의 금속 층들을 포함하는 SOI-기반으로 한 전기-광학 배열.
- 제1항에 있어서, 상기 광학 에어리어 내의 상기 능동 광학 디바이스의 광 가둠 영역 및 상기 적어도 하나의 금속층의 임의의 금속층 간의 최소 거리는 1미크론 보다 큰 SOI-기반으로 한 전기-광학 배열.
- 제1항에 있어서, 상기 광학 에어리어 내의 상기 광학 디바이스의 광 가둠 영역 및 임의의 실리사이드 층간의 최소 거리는 0.2미크론보다 큰 SOI-기반으로 한 전기-광학 배열.
- 제1항에 있어서, 상기 단결정 실리콘층은 소정수의 defect/cm2보다 작은 광학 결함 수를 갖는데, 이 결함은 SOI 층에서 이동하는 광의 유효 파장(λeffective)의 소정 프랙션 보다 큰 치수를 나타내는 요소로서 규정되는 SOI-기반으로 한 전기-광학 배열.
- 제33항에 있어서, 상기 소정의 결함들은 1 defect/cm2, 10 defects/cm2 및 100 defects/cm2로 이루어진 그룹으로부터 선택되는 SOI-기반으로 한 전기-광학 배열.
- 제33항에 있어서, λeffective의 상기 소정 프랙션은 1/5, 1/10, 1/15 및 1/20으로 이루어진 그룹으로부터 선택되는 SOI-기반으로 한 전기-광학 배열.
- 제1항에 있어서, 상기 단결정 실리콘층은 소정수의 defects/cm2 보다 작은 광학 결함 수를 갖는데, 이 결함은 SOI 층의 두께의 소정 프랙션보다 큰 치수를 나타내는 요소로서 규정되는 SOI-기반으로 한 전기-광학 배열.
- 제36항에 있어서, 상기 소정수의 결함들은 1 defect/cm2, 10 defects/cm2 및 100 defects/cm2으로부터 선택되는 SOI-기반으로 한 전기-광학 배열.
- 제36항에 있어서, 상기 SOI 층의 두께의 소정 프랙션은 1/2, 1/3, 1/4, 및 1/5 및 1/10으로 이루어진 그룹으로부터 선택되는 SOI-기반으로 한 전기-광학 배열.
- 제1항에 있어서, 상기 광학 결함 수는 SOI 층 위에 상대적으로 얇은 유전체 층을 증착하기 전 수소 어닐 동작을 수행함으로써 감소되는 SOI-기반으로 한 전기-광학 배열.
- 제1항에 있어서, 상기 적어도 하나의 광학 컴포넌트 에어리어 내에서 상기 SOI 층, 유전체 층 및 실리콘층의 결합된 두께는 수직 방향에서 단일 광학 모드의 전파를 지원하도록 선택되는 SOI-기반으로 한 전기-광학 배열.
- 제1항에 있어서, 상기 SOI 층은 상기 광학 결함 밀도를 감소시키기 위하여 에픽택셜 성장 프로세스를 사용하여 형성되는 SOI-기반으로 한 전기-광학 배열.
- 제1항에 있어서, 윈도우는 상기 배열의 최상부 표면으로부터 개방되어 광학 결합 에어리어를 형성하기 위하여 사용되는 SOI 층의 일부를 노출시키는 SOI-기반으로 한 전기-광학 배열.
- 제42항에 있어서, 상기 SOI 층의 노출된 부분의 최종 표면은 원자적으로 스무드한 SOI-기반으로 한 전기-광학 배열.
- 제42항에 있어서, 상기 광학 결합 에어리어는 상기 SOI 층 내로 그리고 밖으로 광학 신호들의 에버네슨트 결합을 제공하는 SOI-기반으로 한 전기-광학 배열.
- 제42항에 있어서, 상기 윈도우는 단일 포토리소그래피/에치 단계를 사용하여 형성되는 SOI-기반으로 한 전기-광학 배열.
- 제42항에 있어서, 상기 윈도우는 다수의 포토리소그래피/에치 단계들을 사용하여 형성되는 SOI-기반으로 한 전기-광학 배열.
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WO2004095112A3 (en) | 2005-03-31 |
EP1625615A2 (en) | 2006-02-15 |
JP2006525677A (ja) | 2006-11-09 |
EP1625615B1 (en) | 2017-07-26 |
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KR100745275B1 (ko) | 2007-08-01 |
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CA2520972C (en) | 2010-01-26 |
EP1625615A4 (en) | 2007-05-16 |
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