JP4872987B2 - 面発光型半導体レーザ - Google Patents
面発光型半導体レーザ Download PDFInfo
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- JP4872987B2 JP4872987B2 JP2008215775A JP2008215775A JP4872987B2 JP 4872987 B2 JP4872987 B2 JP 4872987B2 JP 2008215775 A JP2008215775 A JP 2008215775A JP 2008215775 A JP2008215775 A JP 2008215775A JP 4872987 B2 JP4872987 B2 JP 4872987B2
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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]
- H01S5/18308—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
- H01S5/1833—Position of the structure with more than one structure
- H01S5/18336—Position of the structure with more than one structure only below the active layer
-
- 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
- H01S2301/16—Semiconductor lasers with special structural design to influence the modes, e.g. specific multimode
- H01S2301/166—Single transverse or lateral mode
-
- 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
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/065—Mode locking; Mode suppression; Mode selection ; Self pulsating
- H01S5/0651—Mode control
- H01S5/0653—Mode suppression, e.g. specific multimode
- H01S5/0655—Single transverse or lateral mode emission
-
- 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
-
- 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
- H01S5/18316—Airgap confined
-
- 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]
- H01S5/18358—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL] containing spacer layers to adjust the phase of the light wave in the cavity
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Semiconductor Lasers (AREA)
Description
高次横モードの光L2が低反射率層22,23や基板10で反射されて、戻り光となる虞がなくなる。これにより、高次横モードのI−L特性(特に閾値電流)が戻り光によって変動し、ビームプロファイルが変動する虞をなくすることができる。
Claims (8)
- 基板上に、横モード調整層、第一多層膜反射鏡、発光領域を有する活性層および第二多層膜反射鏡を前記基板側からこの順に含むと共に、前記第一多層膜反射鏡内、前記第一多層膜反射鏡と前記活性層との間、前記活性層と前記第二多層膜反射鏡との間、または前記第二多層膜反射鏡内に、前記発光領域との対応領域に電流注入領域が形成された電流狭窄層を含む積層構造を備え、
前記横モード調整層において、前記発光領域の中央との対向領域の発振波長における反射率が、前記発光領域の外縁との対向領域の発振波長における反射率よりも高くなっており、
前記横モード調整層は、前記発光領域の中央との対向領域に、金属からなる高反射率部材を有する
面発光型半導体レーザ。 - 前記横モード調整層は、前記発光領域の外縁との対向領域に低反射率部材を有する
請求項1に記載の面発光型半導体レーザ。 - 前記低反射率部材は、前記第一多層膜反射鏡のうち前記横モード調整層側の表面と、前記基板のうち前記横モード調整層側の表面とのうち少なくとも一方に設けられている
請求項2に記載の面発光型半導体レーザ。 - 前記低反射率部材の光学膜厚はλ/4(λは発振波長)である
請求項2に記載の面発光型半導体レーザ。 - 前記低反射率部材の屈折率は1より大きく、前記第一多層膜反射鏡のうち前記横モード調整層側の表面の屈折率よりも小さい
請求項2に記載の面発光型半導体レーザ。 - 前記基板は、前記発振波長λの光を吸収する材料からなる
請求項1に記載の面発光型半導体レーザ。 - 前記横モード調整層は、少なくとも前記発光領域との対向領域に空隙を有する
請求項1に記載の面発光型半導体レーザ。 - 前記横モード調整層は、前記発光領域との非対向領域に、前記基板に接する第一金属層と、前記第一多層膜反射鏡に接する第二金属層とを有し、
前記第一金属層と前記第二金属層とは貼り合わせによって接合されている
請求項7に記載の面発光型半導体レーザ。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008215775A JP4872987B2 (ja) | 2008-08-25 | 2008-08-25 | 面発光型半導体レーザ |
US12/458,962 US8290009B2 (en) | 2008-08-25 | 2009-07-28 | Vertical cavity surface emitting laser |
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JP2008215775A JP4872987B2 (ja) | 2008-08-25 | 2008-08-25 | 面発光型半導体レーザ |
Publications (2)
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JP2010050412A JP2010050412A (ja) | 2010-03-04 |
JP4872987B2 true JP4872987B2 (ja) | 2012-02-08 |
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JP (1) | JP4872987B2 (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2009010248A (ja) * | 2007-06-29 | 2009-01-15 | Canon Inc | 面発光レーザおよびその製造方法 |
JP5212686B2 (ja) * | 2007-08-22 | 2013-06-19 | ソニー株式会社 | 半導体レーザアレイの製造方法 |
JP4973940B2 (ja) * | 2007-10-15 | 2012-07-11 | ソニー株式会社 | 半導体発光素子の製造方法 |
JP4582237B2 (ja) | 2008-01-10 | 2010-11-17 | ソニー株式会社 | 面発光型半導体レーザ |
US8077752B2 (en) * | 2008-01-10 | 2011-12-13 | Sony Corporation | Vertical cavity surface emitting laser |
JP4639249B2 (ja) * | 2008-07-31 | 2011-02-23 | キヤノン株式会社 | 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、面発光レーザ及び面発光レーザアレイ、面発光レーザアレイを備えている光学機器 |
US8989230B2 (en) | 2009-02-20 | 2015-03-24 | Vixar | Method and apparatus including movable-mirror mems-tuned surface-emitting lasers |
JP5532321B2 (ja) * | 2009-11-17 | 2014-06-25 | 株式会社リコー | 面発光レーザ素子、面発光レーザアレイ、光走査装置及び画像形成装置 |
JP5601014B2 (ja) * | 2010-04-23 | 2014-10-08 | 株式会社リコー | 光デバイス、光走査装置及び画像形成装置 |
US9088134B2 (en) | 2011-07-27 | 2015-07-21 | Vixar Inc. | Method and apparatus including improved vertical-cavity surface-emitting lasers |
JP6183045B2 (ja) * | 2013-08-09 | 2017-08-23 | ソニー株式会社 | 発光素子及びその製造方法 |
US10447011B2 (en) | 2014-09-22 | 2019-10-15 | Hewlett Packard Enterprise Development Lp | Single mode vertical-cavity surface-emitting laser |
WO2016048268A1 (en) | 2014-09-22 | 2016-03-31 | Hewlett Packard Enterprise Development Lp | Single mode vertical-cavity surface-emitting laser |
US10892601B2 (en) * | 2018-05-24 | 2021-01-12 | Stanley Electric Co., Ltd. | Vertical cavity light-emitting element |
US20220247153A1 (en) | 2019-11-06 | 2022-08-04 | Sony Semiconductor Solutions Corporation | Surface light-emission laser device |
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JP2002208755A (ja) | 2000-11-13 | 2002-07-26 | Fuji Xerox Co Ltd | 面発光型半導体レーザ |
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JP2002353562A (ja) * | 2001-05-23 | 2002-12-06 | Canon Inc | 面発光レーザ装置およびその製造方法 |
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JP4537658B2 (ja) * | 2002-02-22 | 2010-09-01 | 株式会社リコー | 面発光レーザ素子、該面発光レーザ素子を用いた面発光レーザアレイ、電子写真システム、面発光レーザモジュール、光通信システム、光インターコネクションシステム、および面発光レーザ素子の製造方法 |
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JP5376104B2 (ja) * | 2005-07-04 | 2013-12-25 | ソニー株式会社 | 面発光型半導体レーザ |
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JP4978291B2 (ja) * | 2007-04-19 | 2012-07-18 | ソニー株式会社 | 半導体装置およびその製造方法 |
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- 2008-08-25 JP JP2008215775A patent/JP4872987B2/ja active Active
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JP2010050412A (ja) | 2010-03-04 |
US8290009B2 (en) | 2012-10-16 |
US20100046565A1 (en) | 2010-02-25 |
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