KR20080057522A - 수직공진 표면발광 레이저장치 및 그 제조방법 - Google Patents
수직공진 표면발광 레이저장치 및 그 제조방법 Download PDFInfo
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- KR20080057522A KR20080057522A KR1020060130902A KR20060130902A KR20080057522A KR 20080057522 A KR20080057522 A KR 20080057522A KR 1020060130902 A KR1020060130902 A KR 1020060130902A KR 20060130902 A KR20060130902 A KR 20060130902A KR 20080057522 A KR20080057522 A KR 20080057522A
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- 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
- H01S5/18391—Aperiodic structuring to influence the near- or far-field distribution
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- H—ELECTRICITY
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- 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
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- H01S2301/00—Functional characteristics
- H01S2301/16—Semiconductor lasers with special structural design to influence the modes, e.g. specific multimode
- H01S2301/163—Single longitudinal mode
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- H01S2301/00—Functional characteristics
- H01S2301/17—Semiconductor lasers comprising special layers
- H01S2301/176—Specific passivation layers on surfaces other than the emission facet
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- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/028—Coatings ; Treatment of the laser facets, e.g. etching, passivation layers or reflecting layers
- H01S5/0287—Facet reflectivity
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- H—ELECTRICITY
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- 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
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- H—ELECTRICITY
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- 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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- H—ELECTRICITY
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- 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
- H01S5/18322—Position of the structure
- H01S5/18327—Structure being part of a DBR
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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]
- H01S5/18361—Structure of the reflectors, e.g. hybrid mirrors
- H01S5/18369—Structure of the reflectors, e.g. hybrid mirrors based on dielectric materials
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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]
- H01S5/18361—Structure of the reflectors, e.g. hybrid mirrors
- H01S5/18377—Structure of the reflectors, e.g. hybrid mirrors comprising layers of different kind of materials, e.g. combinations of semiconducting with dielectric or metallic layers
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- Semiconductor Lasers (AREA)
Abstract
Description
Claims (12)
- 적층구조로 그 사이에 길이방향의 공진구간을 형성하는 하부반사층 및 상부반사층과;상기 하부반사층과 상부반사층 사이에 위치하며, 레이저광을 생성하는 활성층과;상기 상부 반사층을 투과한 광이 출사되는 개구를 갖도록 상기 상부 반사층 위에 링 형태로 형성된 전극과;상기 상부 반사층 위에 형성된 콘택층과;상기 레이저광의 투과율이 가장 높은 고투과율 영역이 상기 전극의 개구 안쪽에 링 형태로 형성되도록 상기 콘택층 위에 형성된 1/4 파장층 및상기 전극이 형성된 부분 이외의 상기 콘택층 및 1/4 파장층을 덮고 있는 유전체층을 포함함을 특징으로 하는 수직공진 표면발광 레이저장치.
- 제 1 항에 있어서, 상기 공진구간의 중심에 상기 레이저광이 방출되는 산화막 개구를 구비하도록 상기 공진구간의 측벽에 형성된 전류차단층을 더 포함함을 특징으로 하는 수직공진 표면발광 레이저장치.
- 제 2 항에 있어서, 상기 1/4 파장층은상기 산화막 개구의 중심을 제외한 상기 콘택층 위에 링 형태로 형성됨을 특징으로 하는 수직공진 표면발광 레이저장치.
- 제 2 항에 있어서, 상기 1/4 파장층은상기 산화막 개구의 중심을 제외한 상기 콘택층 위에 이중 링 형태로 형성됨을 특징으로 하는 수직공진 표면발광 레이저장치.
- 제 1 항 내지 제 4 항 중 어느 한 항에 있어서, 상기 유전체층 및 상기 전극층을 덮도록 된 굴절률 정합물질층을 더 포함함을 특징으로 하는 수직공진 표면발광 레이저장치.
- 제 1 항 내지 제 4 항 중 어느 한 항에 있어서, 상기 유전체층의 두께 또는 물질조성은 상기 레이저광의 파장에 따라 선택됨을 특징으로 하는 수직공진 표면발광 레이저장치.
- 제 6 항에 있어서, 상기 레이저광의 파장이 850nm인 경우 상기 유전체층은440nm 두께의 SiO2층과 60nm 두께의 SiNX층으로 이루어짐을 특징으로 하는 수직공진 표면발광 레이저장치.
- 반도체 기판 위에 하부반사층, 활성층 및 상부반사층을 적층하여 레이저광의 공진구간을 형성하는 과정과;상기 상부 반사층 위에 콘택층을 형성하는 과정과;상기 레이저광의 투과율이 가장 높은 고투과율 영역이 링 형태로 형성되도록 상기 콘택층을 부분적으로 1/4 파장 두께만큼 식각하여 1/4 파장층을 형성하는 과정과;상기 1/4 파장층 또는 콘택층 위에 전극을 형성하는 과정; 및상기 전극이 형성된 부분을 제외한 상기 1/4 파장층 및 콘택층 상부에 유전체층을 형성하는 과정을 포함함을 특징으로 하는 수직공진 표면발광 레이저장치의 제조방법.
- 제 8 항에 있어서, 상기 공진구간의 중심에 상기 레이저광이 방출되는 산화막 개구를 구비하도록 상기 공진구간의 측벽에 전류차단층을 형성하는 과정을 더 포함함을 특징으로 하는 수직공진 표면발광 레이저장치.
- 제 8 항 또는 제 9 항에 있어서, 상기 유전체층 상부에 굴절률 정합물질층을 형성하는 과정을 더 포함함을 특징으로 하는 수직공진 표면발광 레이저장치의 제조방법.
- 제 8 항에 있어서, 상기 유전체층은440nm 두께의 SiO2층과 60nm 두께의 SiNX층으로 이루어짐을 특징으로 하는 수직공진 표면발광 레이저장치의 제조방법.
- 제 10 항에 있어서, 상기 1/4 파장층은이중 링 형태로 형성됨을 특징으로 하는 수직공진 표면발광 레이저장치의 제조방법.
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KR1020060130902A KR100842540B1 (ko) | 2006-12-20 | 2006-12-20 | 수직공진 표면발광 레이저장치 및 그 제조방법 |
US11/958,410 US20080151961A1 (en) | 2006-12-20 | 2007-12-18 | Vertical cavity surface-emitting laser and method of fabricating the same |
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KR1020060130902A KR100842540B1 (ko) | 2006-12-20 | 2006-12-20 | 수직공진 표면발광 레이저장치 및 그 제조방법 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9048613B2 (en) | 2013-03-18 | 2015-06-02 | Samsung Electronics Co., Ltd. | Hybrid vertical cavity laser and method of manufacturing the same |
KR101997787B1 (ko) | 2018-10-05 | 2019-07-08 | 주식회사 포셈 | 수직공진표면발광레이저의 제조방법 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8189642B1 (en) | 2007-08-08 | 2012-05-29 | Emcore Corporation | VCSEL semiconductor device |
JP5515767B2 (ja) * | 2009-05-28 | 2014-06-11 | 株式会社リコー | 面発光レーザ素子の製造方法、面発光レーザ素子、面発光レーザアレイ、光走査装置及び画像形成装置 |
JP5409221B2 (ja) * | 2009-09-10 | 2014-02-05 | キヤノン株式会社 | 面発光レーザの製造方法および面発光レーザアレイの製造方法 |
JP5585940B2 (ja) * | 2010-04-22 | 2014-09-10 | 株式会社リコー | 面発光レーザ素子、面発光レーザアレイ、光走査装置、画像形成装置及び面発光レーザ素子の製造方法 |
JP5893246B2 (ja) | 2010-11-08 | 2016-03-23 | キヤノン株式会社 | 面発光レーザ及び面発光レーザアレイ、面発光レーザの製造方法及び面発光レーザアレイの製造方法、面発光レーザアレイを備えた光学機器 |
EP2533380B8 (en) * | 2011-06-06 | 2017-08-30 | Mellanox Technologies, Ltd. | High speed lasing device |
US10530129B2 (en) * | 2015-08-10 | 2020-01-07 | Hewlett Packard Enterprise Development Lp | Low impedance VCSELs |
US10148059B2 (en) * | 2016-06-23 | 2018-12-04 | Theodore John Podgorski | Gain mirror for solid state ring laser rotation sensors |
US11699893B2 (en) | 2020-11-24 | 2023-07-11 | Vixar, Inc. | VCSELs for high current low pulse width applications |
US20220385041A1 (en) * | 2021-05-27 | 2022-12-01 | Lumentum Operations Llc | Emitter with variable light reflectivity |
Family Cites Families (4)
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US5359618A (en) * | 1993-06-01 | 1994-10-25 | Motorola, Inc. | High efficiency VCSEL and method of fabrication |
JP4120421B2 (ja) | 2003-02-24 | 2008-07-16 | 凸版印刷株式会社 | 光配線層の製造方法 |
JP2004319643A (ja) | 2003-04-14 | 2004-11-11 | Furukawa Electric Co Ltd:The | 面発光レーザ素子 |
JP2005251852A (ja) | 2004-03-02 | 2005-09-15 | Seiko Epson Corp | 垂直共振器型面発光レーザ |
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2006
- 2006-12-20 KR KR1020060130902A patent/KR100842540B1/ko active IP Right Grant
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- 2007-12-18 US US11/958,410 patent/US20080151961A1/en not_active Abandoned
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9048613B2 (en) | 2013-03-18 | 2015-06-02 | Samsung Electronics Co., Ltd. | Hybrid vertical cavity laser and method of manufacturing the same |
KR101997787B1 (ko) | 2018-10-05 | 2019-07-08 | 주식회사 포셈 | 수직공진표면발광레이저의 제조방법 |
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US20080151961A1 (en) | 2008-06-26 |
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