KR20040036383A - 화합물 반도체 레이저 다이오드 - Google Patents
화합물 반도체 레이저 다이오드 Download PDFInfo
- Publication number
- KR20040036383A KR20040036383A KR1020020065389A KR20020065389A KR20040036383A KR 20040036383 A KR20040036383 A KR 20040036383A KR 1020020065389 A KR1020020065389 A KR 1020020065389A KR 20020065389 A KR20020065389 A KR 20020065389A KR 20040036383 A KR20040036383 A KR 20040036383A
- Authority
- KR
- South Korea
- Prior art keywords
- layer
- compound semiconductor
- ridge
- metal
- wave guide
- Prior art date
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 85
- 150000001875 compounds Chemical class 0.000 title claims abstract description 20
- 239000000758 substrate Substances 0.000 claims abstract description 21
- 238000001615 p wave Methods 0.000 claims abstract description 12
- 238000005530 etching Methods 0.000 claims abstract description 9
- 239000002184 metal Substances 0.000 claims description 16
- 230000000903 blocking effect Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 229910002704 AlGaN Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000003287 optical effect Effects 0.000 description 6
- -1 Nitrides compound Chemical class 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 238000013500 data storage Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/20—Deposition of semiconductor materials on a substrate, e.g. epitaxial growth solid phase epitaxy
-
- 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
- H01S5/2054—Methods of obtaining the confinement
- H01S5/2081—Methods of obtaining the confinement using special etching techniques
- H01S5/209—Methods of obtaining the confinement using special etching techniques special etch stop layers
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Geometry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Semiconductor Lasers (AREA)
Abstract
Description
Claims (5)
- n-화합물 반도체 기판의 상부에 리지(Ridg)를 갖는 n-화합물 반도체층이 형성되어 있고;상기 리지의 상부에 n-클래드층, n-웨이브 가이드층, 활성층, 에칭방지층, p-웨이브 가이드층, p-클래드층과 p-캡층이 순차적으로 적층되어 있고;상기 리지 측면의 n-화합물 반도체층 상부에 p-금속 화합물 반도체층과 n-금속 화합물 반도체층이 순차적으로 적층되어 있고;상기 p-캡층과 n-금속 화합물 반도체층의 상부에 p-금속층이 형성되어 있으며, 상기 n-화합물 반도체 기판의 하부에 n-금속층이 형성되어 있는 화합물 반도체 레이저 다이오드.
- 제 1 항에 있어서,기 p-금속 화합물 반도체층은 상기 p-클래드층과 동일한 물질이고, 상기 n-금속 화합물 반도체층은 상기 n-클래드층과 동일한 물질인 것을 특징으로 하는 화합물 반도체 레이저 다이오드.
- n-화합물 반도체 기판의 상부에 리지(Ridg)를 갖는 n-화합물 반도체층이 형성되어 있고;상기 리지의 상부에 n-클래드층, n-웨이브 가이드층, 활성층, 에칭방지층,p-웨이브 가이드층, p-클래드층과 p-캡층이 순차적으로 적층되어 있고;상기 리지 측면의 n-화합물 반도체층 상부에 유전막이 형성되어 있고;상기 p-캡층과 유전막의 상부에 p-금속층이 형성되어 있으며, 상기 n-화합물 반도체 기판의 하부에 n-금속층이 형성되어 있는 화합물 반도체 레이저 다이오드.
- 제 3 항에 있어서,상기 n-화합물 반도체 기판, n-화합물 반도체층, n-웨이브 가이드층, p-웨이브 가이드층과 p-캡층은 GaN으로 형성되어 있고,상기 p와 n-금속 화합물 반도체층 및 p와 n-클래드층은 AlGaN으로 형성되어 있는 것을 특징으로 하는 화합물 반도체 레이저 다이오드.
- 반도체 기판과;상기 반도체 기판의 상부에 형성되며, 리지(Ridge)를 갖는 화합물 반도체층과;상기 리지의 상부에 형성되고, 인가된 전류에 의해 광을 방출하는 활성층을 포함하며, 상기 활성층의 상, 하부에 대칭적인 극성을 갖는 화합물 반도체층이 적층되어 있는 적층 에피층과;상기 리지 측면의 화합물 반도체층 상부에 형성된 전류방지층과;상기 적층 에피층과 전류방지층 상부에 형성된 p-금속층과;상기 반도체 기판의 하부에 형성된 n-금속층으로 이루어진 화합물 반도체 레이저 다이오드.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0065389A KR100493639B1 (ko) | 2002-10-25 | 2002-10-25 | 화합물 반도체 레이저 다이오드 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR10-2002-0065389A KR100493639B1 (ko) | 2002-10-25 | 2002-10-25 | 화합물 반도체 레이저 다이오드 |
Publications (2)
Publication Number | Publication Date |
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KR20040036383A true KR20040036383A (ko) | 2004-04-30 |
KR100493639B1 KR100493639B1 (ko) | 2005-06-03 |
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KR10-2002-0065389A KR100493639B1 (ko) | 2002-10-25 | 2002-10-25 | 화합물 반도체 레이저 다이오드 |
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Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS58114477A (ja) * | 1981-12-26 | 1983-07-07 | Fujitsu Ltd | 半導体発光装置 |
JPS58159388A (ja) * | 1982-03-18 | 1983-09-21 | Toshiba Corp | 半導体レ−ザ装置 |
KR100335075B1 (ko) * | 1995-06-09 | 2002-10-25 | 엘지전자주식회사 | 반도체레이저 |
US5966396A (en) * | 1996-07-26 | 1999-10-12 | Kabushiki Kaisha Toshiba | Gallium nitride-based compound semiconductor laser and method of manufacturing the same |
KR19980016524A (ko) * | 1996-08-28 | 1998-06-05 | 김광호 | 청록색 레이저 다이오드 및 그 제조방법 |
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