KR100238422B1 - 복합 기능을 가지는 단일 칩 광소자 구조 - Google Patents
복합 기능을 가지는 단일 칩 광소자 구조 Download PDFInfo
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- KR100238422B1 KR100238422B1 KR1019970032813A KR19970032813A KR100238422B1 KR 100238422 B1 KR100238422 B1 KR 100238422B1 KR 1019970032813 A KR1019970032813 A KR 1019970032813A KR 19970032813 A KR19970032813 A KR 19970032813A KR 100238422 B1 KR100238422 B1 KR 100238422B1
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- 230000003287 optical effect Effects 0.000 title claims abstract description 88
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- 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
- H10F10/00—Individual photovoltaic cells, e.g. solar cells
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- 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
- H10F77/00—Constructional details of devices covered by this subclass
- H10F77/20—Electrodes
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- 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
- H10F77/00—Constructional details of devices covered by this subclass
- H10F77/40—Optical elements or arrangements
- H10F77/413—Optical elements or arrangements directly associated or integrated with the devices, e.g. back reflectors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Light Receiving Elements (AREA)
Abstract
Description
Claims (5)
- 단일 광소자를 구성하는 밴드 갭 에너지가 서로 다른 활성층을 직렬로 배열하여 단파장 발광, 발광 출력 검출 및 장파장 수광 기능을 동시에 가지는 복합 기능 광소자에 있어서,단파장의 빛에 대한 발광 기능을 수행하는 활성층과;상기 활성층에 인접하여 반도체 레이저(LD)와 광검출기(PD)를 광학적으로 분리하는 반사용 회절격자와;LD와 PD 사이에 위치하여 PD 쪽으로 입사하는 장파장의 광신호는 흡수하지 않고 회절격자를 관통해 PD 쪽으로 전파하는 LD의 빛을 흡수하여 검출하는 기능을 수행함으로써 PD가 포화되는 것을 방지하는 광출력 검출 영역과;일정 전자볼트의 밴드 갭을 가지고 복합 기능 광소자의 광 경로중 마지막 부분에 위치하며 광흡수를 위한 수광 길이를 가진 활성층과;수직 방향으로 상기 활성층에 인접하게 화학 식각으로 형성하거나 이온을 주입함으로 형성되어 상기 각 영역을 전기적으로 분할하는 절연 영역과;발광 영역은 순방향 바이어스가, 광 검출 및 수광 영역은 역방향 바이어스가 인가되도록 양극과 음극에 접속된 p-전극으로 이루어진 것을 특징으로 하는 복합 기능을 가지는 단일 칩(chip) 광소자 구조.
- 제 1 항에 있어서,상기 발광 영역, 광출력 검출 영역, 수광 영역의 활성층 순으로 밴드 갭 에너지가 작아지는 것을 특징으로 하는 복합 기능을 가지는 단일 칩(chip) 광소자 구조.
- 제 1 항에 있어서,상기 광출력 검출 영역에 인접한 발광 영역의 일부분에 발광 영역의 발진 파장에 대한 반사 특성을 갖는 회절격자를 활성층에 인접하게 형성하고,레이저의 한 쪽 거울면의 효과를 갖도록 수광 영역과 광학적으로 분리하는 것을 특징으로 하는 복합 기능을 가지는 단일 칩(chip) 광소자 구조.
- 제 1 항에 있어서,발광영역 공진기의 평면 형태를 전면 거울면으로 갈수록 폭이 좁아지는 쐐기형으로 하여 발광영역의 광출력이 전면 거울면으로 집중되도록 하고,거울면에서의 광출력 분포 단면적을 확대하여 광섬유와의 광결합 효율을 높이는 것을 특징으로 하는 복합 기능을 가지는 단일 칩(chip) 광소자 구조.
- 제 1 항에 있어서,수광영역의 활성층 및 광도파로층의 단면적을 확대하여 수광 효율을 높이는 것을 특징으로 하는 복합 기능을 가지는 단일 칩(chip) 광소자 구조.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970032813A KR100238422B1 (ko) | 1997-07-15 | 1997-07-15 | 복합 기능을 가지는 단일 칩 광소자 구조 |
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KR1019970032813A KR100238422B1 (ko) | 1997-07-15 | 1997-07-15 | 복합 기능을 가지는 단일 칩 광소자 구조 |
Publications (2)
Publication Number | Publication Date |
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KR19990010151A KR19990010151A (ko) | 1999-02-05 |
KR100238422B1 true KR100238422B1 (ko) | 2000-01-15 |
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KR1019970032813A KR100238422B1 (ko) | 1997-07-15 | 1997-07-15 | 복합 기능을 가지는 단일 칩 광소자 구조 |
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KR (1) | KR100238422B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7012945B2 (en) | 2002-12-13 | 2006-03-14 | Electronics And Telecommunications Research Institute | Multi DFB laser diode |
-
1997
- 1997-07-15 KR KR1019970032813A patent/KR100238422B1/ko not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7012945B2 (en) | 2002-12-13 | 2006-03-14 | Electronics And Telecommunications Research Institute | Multi DFB laser diode |
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KR19990010151A (ko) | 1999-02-05 |
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