KR100949541B1 - 광변조기 집적 분포궤환형 레이저 다이오드 및 그 제조방법 - Google Patents
광변조기 집적 분포궤환형 레이저 다이오드 및 그 제조방법 Download PDFInfo
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- KR100949541B1 KR100949541B1 KR1020060123836A KR20060123836A KR100949541B1 KR 100949541 B1 KR100949541 B1 KR 100949541B1 KR 1020060123836 A KR1020060123836 A KR 1020060123836A KR 20060123836 A KR20060123836 A KR 20060123836A KR 100949541 B1 KR100949541 B1 KR 100949541B1
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- optical modulator
- laser diode
- feedback laser
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- 230000003287 optical effect Effects 0.000 title claims abstract description 107
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/0941—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode
- H01S3/09415—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode the pumping beam being parallel to the lasing mode of the pumped medium, e.g. end-pumping
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/0632—Thin film lasers in which light propagates in the plane of the thin film
- H01S3/0637—Integrated lateral waveguide, e.g. the active waveguide is integrated on a substrate made by Si on insulator technology (Si/SiO2)
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
- H01S5/0625—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in multi-section lasers
- H01S5/06255—Controlling the frequency of the radiation
- H01S5/06258—Controlling the frequency of the radiation with DFB-structure
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Semiconductor Lasers (AREA)
Abstract
Description
다음으로, 소정 각도로 기울어진 형태의 식각 마스크 패턴을 이용하여 광변조기의 광도파로 출력단이 형성될 단면(31)을 경사지게 식각한다. 그 다음, n형 반도체 도핑층(14) 상에는 그라운드 전극으로서 n형 오믹 전극(12)을 형성한다.
Claims (6)
- 분포궤환형 레이저 다이오드에 광변조기가 집적된 광변조기 집적 분포궤환형 레이저 다이오드에 있어서,상기 광변조기와 상기 분포궤환형 레이저 다이오드는,반도체 기판;상기 반도체 기판 상에 광도파로 형태로 적층되는 n형 반도체 도핑층, 활성층 및 p형 반도체 도핑층;상기 n형 반도체 도핑층 상에 그라운드 전극으로 형성되는 n형 오믹 전극; 및상기 p형 반도체 도핑층 상에 두 부분으로 각각 형성되는 p형 오믹 전극을 포함하되,상기 광변조기의 출력면은 상기 광도파로 방향에 대하여 일정 범위의 각도로 경사져 있는 것을 특징으로 하는 광변조기 집적 분포궤환형 레이저 다이오드.
- 제 1 항에 있어서, 상기 광변조기의 출력면은 상기 광도파로 방향에 대하여 3°에서 10° 사이의 경사도를 갖는 것을 특징으로 하는 광변조기 집적 분포궤환형 레이저 다이오드.
- 제 1 항에 있어서, 상기 광변조기의 출력면은 식각 면인 것을 특징으로 하는 광변조기 집적 분포궤환형 레이저 다이오드.
- 제 1 항에 있어서, 상기 활성층은 InGaAsP 물질계의 다중 층으로 이루어지는 광변조기 집적 분포궤환형 레이저 다이오드.
- 반도체 기판 상에 광도파로 형태로 n형 반도체 도핑층, 활성층 및 p형 반도체 도핑층을 적층하는 단계;상기 광도파로의 출력단이 형성될 단면을 경사지게 식각하는 단계;상기 n형 반도체 도핑층 상에 그라운드 전극으로 n형 오믹 전극을 형성하는 단계; 및상기 p형 반도체 도핑층 상에 광변조기용 p형 오믹 전극 및 분포궤환형 레이저용 p형 오믹 전극을 형성하는 단계를 포함하는 광변조기 집적 분포궤환형 레이저 다이오드의 제조 방법.
- 제 5 항에 있어서,상기 광변조기용 p형 오믹 전극 및 상기 분포궤환형 레이저용 p형 오믹 전극 사이에 분리 트랜치를 형성하는 단계를 더 포함하는 광변조기 집적 분포궤환형 레이저 다이오드의 제조 방법.
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KR102621843B1 (ko) * | 2016-12-23 | 2024-01-05 | 엘지이노텍 주식회사 | 반도체 소자 및 이를 포함하는 광 모듈 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6079794A (ja) | 1983-10-06 | 1985-05-07 | Fujikura Ltd | 分布帰還形半導体レ−ザ |
JPS62202583A (ja) | 1986-03-03 | 1987-09-07 | Toshiba Corp | 分布帰還型半導体レ−ザ |
KR20040094190A (ko) * | 2003-05-02 | 2004-11-09 | 한국전자통신연구원 | 추출 격자 브래그 반사기와 결합된 추출 격자 분포궤환파장가변 반도체 레이저 |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6079794A (ja) | 1983-10-06 | 1985-05-07 | Fujikura Ltd | 分布帰還形半導体レ−ザ |
JPS62202583A (ja) | 1986-03-03 | 1987-09-07 | Toshiba Corp | 分布帰還型半導体レ−ザ |
KR20040094190A (ko) * | 2003-05-02 | 2004-11-09 | 한국전자통신연구원 | 추출 격자 브래그 반사기와 결합된 추출 격자 분포궤환파장가변 반도체 레이저 |
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