KR100743944B1 - 면발광 반도체 레이저 어레이 및 이를 이용한 광전송시스템 - Google Patents
면발광 반도체 레이저 어레이 및 이를 이용한 광전송시스템 Download PDFInfo
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- KR100743944B1 KR100743944B1 KR1020050116740A KR20050116740A KR100743944B1 KR 100743944 B1 KR100743944 B1 KR 100743944B1 KR 1020050116740 A KR1020050116740 A KR 1020050116740A KR 20050116740 A KR20050116740 A KR 20050116740A KR 100743944 B1 KR100743944 B1 KR 100743944B1
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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
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/42—Arrays of surface emitting lasers
- H01S5/423—Arrays of surface emitting lasers having a vertical cavity
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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
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/0225—Out-coupling of light
- H01S5/02251—Out-coupling of light using optical fibres
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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
- H01S5/0425—Electrodes, e.g. characterised by the structure
- H01S5/04256—Electrodes, e.g. characterised by the structure characterised by the configuration
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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
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
- H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
- H01S5/18386—Details of the emission surface for influencing the near- or far-field, e.g. a grating on the surface
- H01S5/18394—Apertures, e.g. defined by the shape of the upper electrode
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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
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
- H01S5/4081—Near-or far field control
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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
- H01S2301/00—Functional characteristics
- H01S2301/18—Semiconductor lasers with special structural design for influencing the near- or far-field
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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
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/02208—Mountings; Housings characterised by the shape of the housings
- H01S5/02212—Can-type, e.g. TO-CAN housings with emission along or parallel to symmetry axis
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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
- H01S5/0425—Electrodes, e.g. characterised by the structure
- H01S5/04254—Electrodes, e.g. characterised by the structure characterised by the shape
-
- 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
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
- H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
- H01S5/18308—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL] having a special structure for lateral current or light confinement
- H01S5/18311—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL] having a special structure for lateral current or light confinement using selective oxidation
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Semiconductor Lasers (AREA)
Abstract
Description
Claims (19)
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 1 차원 또는 2 차원 어레이 형상으로 배열된 복수의 발광부를 포함하고, 각 발광부는 기판 위에 제 1 반사 미러, 제 2 반사 미러, 제 1 반사 미러와 제 2 반사 미러 사이에 형성된 활성 영역 및 전류 협착층, 제 2 반사 미러 상방의 복수의 출사 개구를 갖고, 각 발광부는 동시에 구동되어 각 출사 개구로부터 레이저광을 출사하는 면발광형 반도체 레이저 어레이로서,적어도 1 개의 발광부의 출사 개구 중심이 대응하는 전류 협착층의 산화 어퍼처(aperture) 중심으로부터 편심되어 있는 면발광형 반도체 레이저 어레이.
- 제 6 항에 있어서,적어도 1 개의 발광부는 어레이 중심의 주변부에 위치하는 면발광형 반도체 레이저 어레이.
- 제 6 항 또는 제 7 항에 있어서,어레이 중심의 주변부에 위치하는 발광부의 출사 개구 중심은 어레이 중심을 향하도록 산화 어퍼처 중심으로부터 편심되어 있는 면발광형 반도체 레이저 어레이.
- 제 6 항 또는 제 7 항에 있어서,복수의 발광부는 기판 위에 형성된 복수의 포스트를 포함하며, 출사 개구는 포스트 최상부에 형성되고, 산화 어퍼처는 포스트 내의 전류 협착층에 형성되는 면발광형 반도체 레이저 어레이.
- 제 9 항에 있어서,전류 협착층은 AlAs층을 포함하고, AlAs층을 포스트 측면으로부터 선택적으로 산화함으로써 산화 어퍼처가 형성되는 면발광형 반도체 레이저 어레이.
- 제 6 항 또는 제 7 항에 있어서,출사 개구는 발광부로 전류를 주입하는 전극층에 형성되어 있는 면발광형 반도체 레이저 어레이.
- 제 6 항 또는 제 7 항에 있어서,출사 개구는 포스트 최상부에 형성된 단층 또는 다층 반사막에 의해 형성되어 있는 면발광형 반도체 레이저 어레이.
- 제 6 항 또는 제 7 항에 있어서,복수의 발광부로부터 출사된 레이저광은 합성되어 1 개의 광신호로서 작용하는 면발광형 반도체 레이저 어레이.
- 제 6 항 또는 제 7 항에 기재된 면발광형 반도체 레이저 어레이의 반도체 칩과 상기 반도체 칩을 지지하는 기판을 갖는 모듈.
- 제 14 항에 기재된 모듈과, 상기 모듈 내에 설치된 상기 면발광형 반도체 레이저 어레이에 구동 신호를 공급하는 구동 회로를 구비한 면발광형 반도체 레이저 장치.
- 제 14 항에 기재된 모듈과, 상기 모듈로부터 발광된 레이저광을 송신하는 송신 수단을 구비한 광송신 장치.
- 제 14 항에 기재된 모듈과, 상기 모듈로부터 발광된 광을 공간 전송하는 전송 수단을 구비한 광공간 전송 장치.
- 제 14 항에 기재된 모듈과, 상기 모듈로부터 발광된 레이저광을 송신하는 송신 수단을 구비한 광송신 시스템.
- 제 14 항에 기재된 모듈과, 상기 모듈로부터 발광된 광을 공간 전송하는 전송 수단을 구비한 광공간 전송 시스템.
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JPJP-P-2005-00112405 | 2005-04-08 | ||
JP2005112405A JP4839662B2 (ja) | 2005-04-08 | 2005-04-08 | 面発光半導体レーザアレイおよびそれを用いた光伝送システム |
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KR20060106612A KR20060106612A (ko) | 2006-10-12 |
KR100743944B1 true KR100743944B1 (ko) | 2007-07-30 |
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US (1) | US7386025B2 (ko) |
JP (1) | JP4839662B2 (ko) |
KR (1) | KR100743944B1 (ko) |
CN (1) | CN100409516C (ko) |
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US7386025B2 (en) | 2008-06-10 |
CN100409516C (zh) | 2008-08-06 |
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KR20060106612A (ko) | 2006-10-12 |
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