JP2010027697A - 面発光半導体レーザ - Google Patents
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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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JP2008184254A JP5169564B2 (ja) | 2008-07-15 | 2008-07-15 | 面発光半導体レーザ |
US12/437,753 US7852896B2 (en) | 2008-07-15 | 2009-05-08 | Vertical cavity surface emitting laser |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
CN108028512B (zh) | 2015-08-10 | 2020-06-05 | 慧与发展有限责任合伙企业 | 低阻抗vcsel |
US20210159672A1 (en) * | 2018-06-29 | 2021-05-27 | Lg Innotek Co., Ltd. | Surface emitting laser device and light emitting device including same |
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 |
CA3198832A1 (en) * | 2020-10-14 | 2022-04-21 | Excelitas Technologies Corp. | Tunable vcsel with strain compensated semiconductor dbr |
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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JPH04234183A (ja) * | 1990-12-28 | 1992-08-21 | Nec Corp | 面型光半導体素子 |
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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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