JP2010027697A - 面発光半導体レーザ - Google Patents
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- 150000001875 compounds Chemical class 0.000 claims abstract description 98
- 239000000470 constituent Substances 0.000 claims abstract description 39
- 239000000463 material Substances 0.000 claims abstract description 28
- 229910001218 Gallium arsenide Inorganic materials 0.000 claims description 43
- 229910000980 Aluminium gallium arsenide Inorganic materials 0.000 claims description 17
- 239000012535 impurity Substances 0.000 claims description 12
- 230000007423 decrease Effects 0.000 abstract description 8
- 230000008859 change Effects 0.000 abstract description 2
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- 230000004913 activation Effects 0.000 description 6
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- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
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Abstract
【解決手段】面発光半導体レーザ11は、第1の部分17と該第1の部分上に設けられた第2の部分19とを含む第1のDBR15と、第1のDBR15上に設けられ、活性層23を含む半導体メサ20と、第2のDBR33とを備える。第1の部分17はアンドープの半導体材料からなり、第2の部分19は、III族構成元素としてIn元素及びGa元素並びにV族構成元素としてP元素を含む材料からなる第3のIII−V族化合物半導体層19aと、III族構成元素としてGa元素及びV族構成元素としてAs元素を含む材料からなる第4のIII−V族化合物半導体層19bとを有する。
【選択図】図1
Description
Y. C. Chang et al., Electronics Letters, vol.42, no.22, pp.1281-1283, 2006.
基板13:半絶縁GaAs半導体
第1のDBR15の第1の部分17:アンドープ、Al0.9Ga0.1As/GaAs、32対
第1のDBR15の第2の部分19:Siドープ、In0.5Ga0.5P/GaAs、3対、電子濃度1×1018cm−3
第1のスペーサ層21:Siドープ、GaAs、厚さ40nm
活性層23:In0.2Ga0.8As井戸層、3層
第2のスペーサ層25:Cドープ、GaAs、厚さ40nm
電流狭窄層28:Cドープ、Al0.96Ga0.04As、厚さ15nm
第3のスペーサ層31:Cドープ、GaAs、厚さ20nm
第2のDBR33:Al0.9Ga0.1As/GaAs、22対
基板73:半絶縁GaAs半導体
第1のDBR75:Siドープ、Al0.9Ga0.1As/GaAs、35対、電子濃度6×1018cm−3
第1のスペーサ層81:Siドープ、GaAs、厚さ40nm
活性層83:In0.2Ga0.8As井戸層、3層
第2のスペーサ層85:Cドープ、GaAs、厚さ40nm
電流狭窄層88:Cドープ、Al0.96Ga0.04As、厚さ15nm
第3のスペーサ層91:Cドープ、GaAs、厚さ20nm
第2のDBR93:Al0.9Ga0.1As/GaAs、22対
半導体レーザA
発振波長:980nm
発振閾値:0.5mA
最大光出力:6mW
微分抵抗:110オーム
比較例B
発振波長:980nm
発振閾値:0.5mA
最大光出力:5.1mW
微分抵抗:240オーム
Claims (7)
- 第1の部分と該第1の部分上に設けられた第2の部分とを含む第1の半導体分布ブラッグリフレクタと、
前記第1の半導体分布ブラッグリフレクタ上に設けられ、活性層を含む半導体メサと、
前記半導体メサ上に設けられた第2の分布ブラッグリフレクタとを備え、
前記第1の半導体分布ブラッグリフレクタの前記第2の部分は、第1の領域と該第1の領域を囲む第2の領域とを有し、
前記半導体メサは、前記第1の領域上に設けられており、
前記第1の半導体分布ブラッグリフレクタの前記第1の部分は、交互に配置された第1のIII−V族化合物半導体層及び第2のIII−V族化合物半導体層を含み、
前記第1の半導体分布ブラッグリフレクタの前記第2の部分は、交互に配置された第3のIII−V族化合物半導体層及び第4のIII−V族化合物半導体層を含み、
前記第1のIII−V族化合物半導体層は、III族構成元素としてAl元素及びGa元素並びにV族構成元素としてAs元素を含むアンドープの半導体材料からなり、
前記第2のIII−V族化合物半導体層は、III族構成元素としてGa元素及びV族構成元素としてAs元素を含むアンドープの半導体材料からなり、
前記第3のIII−V族化合物半導体層は、III族構成元素としてIn元素及びGa元素並びにV族構成元素としてP元素を含む半導体材料からなり、
前記第3のIII−V族化合物半導体層の半導体材料は、n型不純物がドープされた半導体材料またはアンドープの半導体材料であり、
前記第4のIII−V族化合物半導体層は、III族構成元素としてGa元素及びV族構成元素としてAs元素を含む半導体材料からなり、
前記第4のIII−V族化合物半導体層の半導体材料は、n型不純物がドープされた半導体材料である
ことを特徴とする面発光半導体レーザ。 - 前記第1のIII−V族化合物半導体層は、AlGaAs半導体からなり、
前記第2のIII−V族化合物半導体層は、GaAs半導体またはAlGaAs半導体からなることを特徴とする請求項1に記載の面発光半導体レーザ。 - 前記第3のIII−V族化合物半導体層は、InGaP半導体、AlGaInP半導体またはGaInAsP半導体からなることを特徴とする請求項1または請求項2に記載の面発光半導体レーザ。
- 前記第3のIII−V族化合物半導体層は、n型不純物がドープされた半導体材料からなることを特徴とする請求項1〜請求項3のいずれか1項に記載の面発光半導体レーザ。
- 前記第3のIII−V族化合物半導体層は、アンドープの半導体材料からなることを特徴とする請求項1〜請求項3のいずれか1項に記載の面発光半導体レーザ。
- 前記第3のIII−V族化合物半導体層のIII族構成元素におけるIn元素の組成は0.4以上0.5以下であり、
前記第4のIII−V族化合物半導体層は、GaAs半導体からなることを特徴とする請求項1〜請求項5のいずれか1項に記載の面発光半導体レーザ。 - 前記第3のIII−V族化合物半導体層のIII族構成元素におけるIn元素の組成は0.4以上0.6以下であり、
前記第4のIII−V族化合物半導体層は、GaAsP半導体からなることを特徴とする請求項1〜請求項5のいずれか1項に記載の面発光半導体レーザ。
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2011035115A (ja) * | 2009-07-31 | 2011-02-17 | Canon Inc | 面発光レーザ、面発光レーザアレイ、および光学機器 |
JP2013093571A (ja) * | 2011-10-04 | 2013-05-16 | Fuji Xerox Co Ltd | 面発光型半導体レーザ、面発光型半導体レーザ装置、光伝送装置および情報処理装置 |
JP2016213486A (ja) * | 2016-07-14 | 2016-12-15 | 富士ゼロックス株式会社 | 面発光型半導体レーザ、面発光型半導体レーザ装置、光伝送装置および情報処理装置 |
JP7528798B2 (ja) | 2020-02-25 | 2024-08-06 | 株式会社リコー | 反射鏡、面発光レーザ、面発光レーザアレイ、投影装置、ヘッドアップディスプレイ、移動体、ヘッドマウントディスプレイ、検眼装置及び照明装置 |
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JP6323650B2 (ja) * | 2013-12-20 | 2018-05-16 | セイコーエプソン株式会社 | 面発光レーザーおよび原子発振器 |
US10530129B2 (en) | 2015-08-10 | 2020-01-07 | Hewlett Packard Enterprise Development Lp | Low impedance VCSELs |
WO2020005006A1 (ko) * | 2018-06-29 | 2020-01-02 | 엘지이노텍 주식회사 | 표면발광 레이저소자 및 이를 포함하는 발광장치 |
JP7095498B2 (ja) * | 2018-08-31 | 2022-07-05 | 住友電気工業株式会社 | 垂直共振型面発光レーザ、垂直共振型面発光レーザを作製する方法 |
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JP7563186B2 (ja) * | 2021-01-12 | 2024-10-08 | 住友電気工業株式会社 | 垂直共振型面発光レーザ |
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JP2005158922A (ja) * | 2003-11-25 | 2005-06-16 | Fuji Xerox Co Ltd | 表面発光型半導体レーザ素子およびその製造方法 |
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US7435660B2 (en) * | 1998-12-21 | 2008-10-14 | Finisar Corporation | Migration enhanced epitaxy fabrication of active regions having quantum wells |
US6927412B2 (en) * | 2002-11-21 | 2005-08-09 | Ricoh Company, Ltd. | Semiconductor light emitter |
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JPH04234183A (ja) * | 1990-12-28 | 1992-08-21 | Nec Corp | 面型光半導体素子 |
JP2001308315A (ja) * | 2000-04-26 | 2001-11-02 | Hitachi Cable Ltd | Iii−v族化合物半導体エピタキシャルウェハ |
JP2003037335A (ja) * | 2001-07-23 | 2003-02-07 | Furukawa Electric Co Ltd:The | 面発光型半導体レーザ素子 |
JP2005038995A (ja) * | 2003-07-18 | 2005-02-10 | Ricoh Co Ltd | 積層基体および半導体デバイスおよび光半導体デバイスおよび光伝送システムおよび光電子融合デバイス |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2011035115A (ja) * | 2009-07-31 | 2011-02-17 | Canon Inc | 面発光レーザ、面発光レーザアレイ、および光学機器 |
JP2013093571A (ja) * | 2011-10-04 | 2013-05-16 | Fuji Xerox Co Ltd | 面発光型半導体レーザ、面発光型半導体レーザ装置、光伝送装置および情報処理装置 |
JP2016213486A (ja) * | 2016-07-14 | 2016-12-15 | 富士ゼロックス株式会社 | 面発光型半導体レーザ、面発光型半導体レーザ装置、光伝送装置および情報処理装置 |
JP7528798B2 (ja) | 2020-02-25 | 2024-08-06 | 株式会社リコー | 反射鏡、面発光レーザ、面発光レーザアレイ、投影装置、ヘッドアップディスプレイ、移動体、ヘッドマウントディスプレイ、検眼装置及び照明装置 |
Also Published As
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US7852896B2 (en) | 2010-12-14 |
US20100014551A1 (en) | 2010-01-21 |
JP5169564B2 (ja) | 2013-03-27 |
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