KR100356020B1 - 평면 도파로형 광소자 및 광증폭기 제조방법 - Google Patents
평면 도파로형 광소자 및 광증폭기 제조방법 Download PDFInfo
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- KR100356020B1 KR100356020B1 KR1020000004124A KR20000004124A KR100356020B1 KR 100356020 B1 KR100356020 B1 KR 100356020B1 KR 1020000004124 A KR1020000004124 A KR 1020000004124A KR 20000004124 A KR20000004124 A KR 20000004124A KR 100356020 B1 KR100356020 B1 KR 100356020B1
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Classifications
-
- 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
- H10F55/00—Radiation-sensitive semiconductor devices covered by groups H10F10/00, H10F19/00 or H10F30/00 being structurally associated with electric light sources and electrically or optically coupled thereto
- H10F55/10—Radiation-sensitive semiconductor devices covered by groups H10F10/00, H10F19/00 or H10F30/00 being structurally associated with electric light sources and electrically or optically coupled thereto wherein the radiation-sensitive semiconductor devices control the electric light source, e.g. image converters, image amplifiers or image storage devices
-
- 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
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- Optical Integrated Circuits (AREA)
Abstract
Description
Claims (7)
- 평면 도파로형 광 소자를 제조하는 방법에 있어서,실리콘 기판 상에 화염가수분해법을 이용하여 하부 클래드층으로서 소정 두께의 버퍼층을 형성하고, 상기 버퍼층 위에 광도파로층으로서 소정의 굴절율 차를 갖는 소정의 두께 이상의 코아층을 액적 분무 화염가수분해법으로 고밀화를 거쳐 형성하는 공정;상기 코아층 위에 열 증착을 통하여 소정 두께 이상의 크롬 또는 알루미늄막을 형성한 후, 포토 리소그라피를 통하여 도파로 패턴을 형성하는 공정;건식 또는 습식 식각을 통하여 크롬 또는 알루미늄막으로 보호된 도파로 패턴만 남기고 이온결합 플라즈마 식각을 통하여 광신호를 전송할 수 있는 일정 크기의 도파로인 신호광 전송선을 상기 코아층까지 양각 식각하여 형성하고, 보호막으로 이용된 알루미늄 또는 크롬막을 제거하는 공정; 및상기 신호광 전송선과 노출된 상기 버퍼층 위에 상부 클래드층을 형성하는 공정을 포함하는 것을 특징으로 하는 평면 도파로형 광소자 제조방법.
- 평면 도파로형 광 소자를 제조하는 방법에 있어서,실리콘 기판 상에 화염가수분해법을 이용하여 하부 클래드층으로서 소정 두께의 버퍼층을 형성하고, 상기 버퍼층 위에 열 증착을 통하여 마스크로 이용될 소정 두께 이상의 크롬 또는 알루미늄막을 형성한 후, 포토 리소그라피와 건식 또는 습식 식각을 통하여 광신호가 진행되는 도파로 패턴 이외에 금속 패턴을 형성하는 공정;이온결합 플라즈마 식각을 통하여 광신호를 전송할 수 있는 일정 크기의 도파로 부분인 신호광 전송선 부분만 음각 식각하고 크롬 또는 알루미늄 박막을 제거하는 공정;광도파로층으로서 음각 부분에 액적 분무 화염가수분해법으로 코아층을 형성하는 공정; 및상기 코아층과 버퍼층에 걸쳐 상부 클래드층을 형성하는 공정을 포함하는 것을 특징으로 하는 평면 도파로형 광소자 제조방법.
- 제1항 또는 제2항에 있어서,상기 광도파로층인 코아층을 형성하는 과정은,상기 코아층이 적어도 하나 이상의 희토류 금속이온 및 산화물을 함유하도록 하여 광증폭용 소자로 이용 가능하게 하는 것을 특징으로 하는 평면 도파로형 광소자 제조방법.
- 제1항 또는 제2항에 있어서,상기 광도파로층인 코아층의 형성 과정은,코아층이 실리카 유리, 규산염 유리, 인산염 유리, 소다석회 유리, 파이렉스 유리 중 하나 이상의 유리 성분을 함유하도록 하는 것을 특징으로 하는 평면 도파로형 광소자 제조방법.
- 제1항 또는 제2항에 있어서,상기 상부 클래드층 형성 공정은,상기 액적 분무 화염가수분해법으로 제조된 코아층의 고밀화 온도가 1000℃이상의 고온공정인 경우 화염가수분해법으로 상부 클래드층을 형성하는 것을 특징으로 하는 평면 도파로형 광소자 제조방법.
- 제1항 또는 제2항에 있어서,상기 상부 클래드층 형성 공정은,상기 액적 분무 화염가수분해법으로 제조된 코아층의 고밀화 온도가 , 500℃∼1000℃ 범위인 경우 액적 분무 화염가수분해법으로 상부 클래드층을 형성하는 것을 특징으로 하는 평면 도파로형 광소자 제조방법.
- 제1항 또는 제2항에 있어서,상기 상부 클래드층 형성 공정은,상기 액적 분무 화염가수분해법으로 제조된 코아층의 고밀화 온도가, 500℃∼300℃ 범위인 경우 광학용 고분자 물질을 이용하여 상부 클래드층을 형성하는 것을 특징으로 하는 평면 도파로형 광소자 제조방법.
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KR1020000004124A KR100356020B1 (ko) | 2000-01-28 | 2000-01-28 | 평면 도파로형 광소자 및 광증폭기 제조방법 |
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KR1020000004124A KR100356020B1 (ko) | 2000-01-28 | 2000-01-28 | 평면 도파로형 광소자 및 광증폭기 제조방법 |
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KR20010076769A KR20010076769A (ko) | 2001-08-16 |
KR100356020B1 true KR100356020B1 (ko) | 2002-10-12 |
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