JP5272308B2 - 電流狭窄構造および半導体レーザ - Google Patents
電流狭窄構造および半導体レーザ Download PDFInfo
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- JP5272308B2 JP5272308B2 JP2006536339A JP2006536339A JP5272308B2 JP 5272308 B2 JP5272308 B2 JP 5272308B2 JP 2006536339 A JP2006536339 A JP 2006536339A JP 2006536339 A JP2006536339 A JP 2006536339A JP 5272308 B2 JP5272308 B2 JP 5272308B2
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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
- H01S5/18311—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
- 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
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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
- H01S5/18325—Between active layer and substrate
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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]
- H01S5/18383—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL] with periodic active regions at nodes or maxima of light intensity
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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
- H01S5/20—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
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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
- H01S5/30—Structure or shape of the active region; Materials used for the active region
- H01S5/32—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures
- H01S5/3211—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures characterised by special cladding layers, e.g. details on band-discontinuities
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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
102 n型半導体層
102a n型の半導体多層反射膜
102a1 SiドープAl0.9Ga0.1As層
102b1 SiドープGaAs層
103 電流広がり抑制層
103a SiドープAl0.2Ga0.8As99.9%N0.1%層
103b アンドープGaAs99.8%N0.2%層
104 活性層
104a アンドープGa0.65In0.35N1%As99%量子井戸層
104b アンドープGaAs98.6%N1.4%バリア層
105 p型半導体層
105a 炭素(C)ドープAlGaAsグレーデッド層
105b p型の半導体多層反射膜
105b1 CドープAl0.9Ga0.1As層
105b2 CドープGaAs層
105c アンドープGaAs99.8%N0.2%層
105d アンドープGaAs層
105e アンドープIn0.2Ga0.8As層
106 電流狭窄層
106a 電流ブロック層
106b 電流通過層
107 p側電極
108 n側電極
109 中間層部
201 n型半導体基板
202 n型の半導体多層反射膜
203 n型クラッド層
204 活性層
205 p型クラッド層
206 電流狭窄層
206a 電流ブロック層
206b 電流通過層
207 p型の半導体多層反射膜
208 p側電極
209 n側電極
210 電流狭窄層直上部
Claims (11)
- n型半導体層と、
活性層と、
前記活性層と前記n型半導体層の間に形成され、前記n型半導体層から前記活性層へのn型キャリアによる電流を狭窄する、AlGaAsからなる電流狭窄層と、
前記電流狭窄層と前記活性層との間に形成され、GaAsNまたはGaInAsNからなる第1の電流広がり抑制層と、
前記電流狭窄層と前記第1の電流広がり抑制層との間に形成され、AlGaAsNからなる第2の電流広がり抑制層と、
を備え、
前記第2の電流広がり抑制層は、Al y Ga 1−y As 1−x N x (0<y≦0.3、x≧0.1%)からなることを特徴とする、
電流狭窄構造。 - 前記第2の電流広がり抑制層は、前記電流狭窄層から前記第1の電流広がり抑制層へ向けて、Alの組成量が減少することを特徴とする、
請求項1に記載の電流狭窄構造。 - 前記第1の電流広がり抑制層は、n型またはアンドープのGaAsNまたはGaInAsNからなり、
前記第2の電流広がり抑制層は、n型またはアンドープのAlGaAsNからなることを特徴とする、請求項1又は2に記載の電流狭窄構造。 - 前記第1の電流広がり抑制層には0.05%以上の窒素が含まれている、請求項1、2又は3に記載の電流狭窄構造。
- 前記電流狭窄構造は、前記活性層を挟んで前記n型半導体層の反対側の位置に形成されたp型半導体層をさらに備え、
前記p型半導体層は、電流の面内方向拡散を増強する電流拡散層を有する、
請求項1〜4のいずれか一項に記載の電流狭窄構造。 - 前記電流狭窄層は、AlxGa1−xAs半導体層(0.95≦x≦1)の選択酸化によって形成されることを特徴とする、請求項1〜5のいずれか一項に記載の電流狭窄構造。
- 半導体基板と、
前記半導体基板の面上に積層された、p型半導体層及びn型半導体層と、
前記p型半導体層と前記n型半導体層の間に形成された活性層と、
前記活性層と前記n型半導体層の間に形成され、前記n型半導体層から前記活性層へのn型キャリアによる電流を狭窄する、AlGaAsからなる電流狭窄層と、
前記電流狭窄層と前記活性層との間に形成され、GaAsNまたはGaInAsNからなる第1の電流広がり抑制層と、
前記電流狭窄層と前記第1の電流広がり抑制層との間に形成され、AlGaAsNからなる第2の電流広がり抑制層と、
レーザ発振を誘起する光共振器構造と、
を有し、
前記第2の電流広がり抑制層は、Al y Ga 1−y As 1−x N x (0<y≦0.3、x≧0.1%)からなることを特徴とする、
半導体レーザ。 - 前記第2の電流広がり抑制層は、前記電流狭窄層から前記第1の電流広がり抑制層へ向けて、Alの組成量が減少することを特徴とする、
請求項7に記載の半導体レーザ。 - 前記第1の電流広がり抑制層は0.05%以上の窒素を含んでいる、請求項7又は8に記載の半導体レーザ。
- 前記光共振器構造は前記活性層の上下に積層された半導体多層反射膜で構成され、
レーザ光が前記半導体基板の面に対して垂直方向に出射することを特徴とする、
請求項7〜9のいずれか一項に記載の半導体レーザ。 - 前記p型半導体層は、電流の面内方向拡散を増強する電流拡散層を有し、
前記電流拡散層が光の電界強度の節の部分になるように構成されている、
請求項10に記載の半導体レーザ。
Priority Applications (1)
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JP2006536339A JP5272308B2 (ja) | 2004-09-21 | 2005-09-08 | 電流狭窄構造および半導体レーザ |
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JP2004273066 | 2004-09-21 | ||
JP2004273066 | 2004-09-21 | ||
PCT/JP2005/016485 WO2006033237A1 (ja) | 2004-09-21 | 2005-09-08 | 電流狭窄構造および半導体レーザ |
JP2006536339A JP5272308B2 (ja) | 2004-09-21 | 2005-09-08 | 電流狭窄構造および半導体レーザ |
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JPWO2006033237A1 JPWO2006033237A1 (ja) | 2008-07-31 |
JP5272308B2 true JP5272308B2 (ja) | 2013-08-28 |
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JP2006536339A Expired - Fee Related JP5272308B2 (ja) | 2004-09-21 | 2005-09-08 | 電流狭窄構造および半導体レーザ |
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US (1) | US20080089376A1 (ja) |
JP (1) | JP5272308B2 (ja) |
WO (1) | WO2006033237A1 (ja) |
Cited By (1)
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KR20200007463A (ko) * | 2018-07-13 | 2020-01-22 | 엘지이노텍 주식회사 | 표면발광레이저 소자 |
Families Citing this family (11)
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JP2007311990A (ja) * | 2006-05-17 | 2007-11-29 | Pentax Corp | 通信装置 |
KR100818269B1 (ko) * | 2006-06-23 | 2008-04-01 | 삼성전자주식회사 | 질화물 반도체 발광소자 |
JP5447719B2 (ja) * | 2006-08-23 | 2014-03-19 | 株式会社リコー | 面発光レーザアレイ、それを備えた光走査装置および画像形成装置 |
DE102007029391A1 (de) * | 2007-06-26 | 2009-01-02 | Osram Opto Semiconductors Gmbh | Optoelektronischer Halbleiterchip |
JP5304136B2 (ja) * | 2008-09-25 | 2013-10-02 | 日本電気株式会社 | 面発光レーザ及びその製造方法 |
JP5590829B2 (ja) * | 2009-07-03 | 2014-09-17 | キヤノン株式会社 | 面発光レーザ、面発光レーザアレイ及び画像形成装置 |
JP5454323B2 (ja) * | 2010-04-19 | 2014-03-26 | 株式会社デンソー | 面発光型半導体レーザ素子 |
WO2015011966A1 (ja) * | 2013-07-24 | 2015-01-29 | 株式会社村田製作所 | 垂直共振器型面発光レーザおよびその製造方法 |
KR20150078091A (ko) * | 2013-12-30 | 2015-07-08 | 일진엘이디(주) | 4성분계 비발광 mqw를 이용한 질화물 반도체 발광소자 |
KR102238195B1 (ko) * | 2014-11-07 | 2021-04-07 | 엘지이노텍 주식회사 | 자외선 발광소자 및 조명시스템 |
US10741638B2 (en) * | 2018-08-08 | 2020-08-11 | Infineon Technologies Austria Ag | Oxygen inserted Si-layers for reduced substrate dopant outdiffusion in power devices |
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JP2004146515A (ja) * | 2002-10-23 | 2004-05-20 | Furukawa Electric Co Ltd:The | 半導体レーザ素子 |
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JP2002217497A (ja) * | 2001-01-22 | 2002-08-02 | Nippon Telegr & Teleph Corp <Ntt> | 半導体光素子 |
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2005
- 2005-09-08 JP JP2006536339A patent/JP5272308B2/ja not_active Expired - Fee Related
- 2005-09-08 US US11/663,320 patent/US20080089376A1/en not_active Abandoned
- 2005-09-08 WO PCT/JP2005/016485 patent/WO2006033237A1/ja active Application Filing
Patent Citations (3)
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JP2002359434A (ja) * | 2001-03-29 | 2002-12-13 | Ricoh Co Ltd | 面発光レーザ素子および該面発光レーザ素子を用いた面発光レーザアレイ |
JP2004128482A (ja) * | 2002-08-06 | 2004-04-22 | Ricoh Co Ltd | 面発光半導体レーザ装置および光伝送モジュールおよび光伝送システム |
JP2004146515A (ja) * | 2002-10-23 | 2004-05-20 | Furukawa Electric Co Ltd:The | 半導体レーザ素子 |
Non-Patent Citations (1)
Title |
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Cited By (2)
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KR20200007463A (ko) * | 2018-07-13 | 2020-01-22 | 엘지이노텍 주식회사 | 표면발광레이저 소자 |
KR102502918B1 (ko) * | 2018-07-13 | 2023-02-23 | 쑤저우 레킨 세미컨덕터 컴퍼니 리미티드 | 표면발광레이저 소자 |
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WO2006033237A1 (ja) | 2006-03-30 |
JPWO2006033237A1 (ja) | 2008-07-31 |
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