KR101028262B1 - 반도체 레이저 다이오드 및 그 제조방법 - Google Patents
반도체 레이저 다이오드 및 그 제조방법 Download PDFInfo
- Publication number
- KR101028262B1 KR101028262B1 KR1020030065147A KR20030065147A KR101028262B1 KR 101028262 B1 KR101028262 B1 KR 101028262B1 KR 1020030065147 A KR1020030065147 A KR 1020030065147A KR 20030065147 A KR20030065147 A KR 20030065147A KR 101028262 B1 KR101028262 B1 KR 101028262B1
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- South Korea
- Prior art keywords
- layer
- ridge
- clad layer
- forming
- laser diode
- Prior art date
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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
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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
- H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
- H01S5/042—Electrical excitation ; Circuits therefor
- H01S5/0421—Electrical excitation ; Circuits therefor characterised by the semiconducting contacting layers
- H01S5/0422—Electrical excitation ; Circuits therefor characterised by the semiconducting contacting layers with n- and p-contacts on the same side of the active layer
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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
- H01S5/20—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers
- H01S5/22—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers having a ridge or stripe structure
- H01S5/2205—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers having a ridge or stripe structure comprising special burying or current confinement layers
- H01S5/2206—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers having a ridge or stripe structure comprising special burying or current confinement layers based on III-V materials
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Geometry (AREA)
- Semiconductor Lasers (AREA)
Abstract
Description
Claims (4)
- 반도체 기판 상에 N 형 크래드층을 성장하는 제1 단계;상기 N 형 크래드층 상에 광을 발생시키는 활성층을 형성하는 제2 단계;상기 활성층 상에 P 형 제 1 크래드층과 제 2 크래드층, P 캡층을 연속하여 형성하는 제3 단계;상기 P 캡층 상에 양측 가장자리의 폭이 크고 중심부의 폭이 얇은 마스크 패턴을 한 다음, 상기 제 2 크래드층까지 식각하여 양측 가장자리의 폭이 넓은 릿지를 형성하는 제4 단계;상기 식각된 부분에 전류 차단층을 형성하는 제5 단계;상기 릿지 상부에 형성된 상기 마스크 패턴을 제거하는 제6 단계; 및상기 전류 차단층 및 상기 릿지 상부와 상기 반도체 기판 하부에 각각 P 전극과 N전극을 형성하는 제7 단계;를 포함하는 것을 특징으로 하는 반도체 레이저 다이오드 제조방법.
- 제 1 항에 있어서,상기 제3 단계에 있어서, 상기 P형 제 1 크래드층과 제 2 크래드층 사이에 에치스탑층을 형성하는 단계 및 상기 P형 제 2 크래드층과 상기 P 캡층 사이에 헤테로버퍼층을 형성하는 단계를 더 포함하는 것을 특징으로 하는 반도체 레이저 다이오드 제조방법.
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030065147A KR101028262B1 (ko) | 2003-09-19 | 2003-09-19 | 반도체 레이저 다이오드 및 그 제조방법 |
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KR1020030065147A KR101028262B1 (ko) | 2003-09-19 | 2003-09-19 | 반도체 레이저 다이오드 및 그 제조방법 |
Publications (2)
Publication Number | Publication Date |
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KR20050028643A KR20050028643A (ko) | 2005-03-23 |
KR101028262B1 true KR101028262B1 (ko) | 2011-04-11 |
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KR1020030065147A KR101028262B1 (ko) | 2003-09-19 | 2003-09-19 | 반도체 레이저 다이오드 및 그 제조방법 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06283801A (ja) * | 1993-03-25 | 1994-10-07 | Nippon Telegr & Teleph Corp <Ntt> | 半導体レーザ |
KR980012744A (ko) * | 1996-07-15 | 1998-04-30 | 김광호 | 레이저 다이오드 |
KR19980019159A (ko) * | 1996-08-30 | 1998-06-05 | 이데이 노부유끼 | 반도체 레이저 |
KR19980030989A (ko) * | 1996-10-30 | 1998-07-25 | 김광호 | 리지형 반도체 레이저 다이오드 및 그 제조방법 |
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- 2003-09-19 KR KR1020030065147A patent/KR101028262B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06283801A (ja) * | 1993-03-25 | 1994-10-07 | Nippon Telegr & Teleph Corp <Ntt> | 半導体レーザ |
KR980012744A (ko) * | 1996-07-15 | 1998-04-30 | 김광호 | 레이저 다이오드 |
KR19980019159A (ko) * | 1996-08-30 | 1998-06-05 | 이데이 노부유끼 | 반도체 레이저 |
KR19980030989A (ko) * | 1996-10-30 | 1998-07-25 | 김광호 | 리지형 반도체 레이저 다이오드 및 그 제조방법 |
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KR20050028643A (ko) | 2005-03-23 |
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