JP2012146964A - 半導体基板、半導体基板の製造方法および垂直共振器面発光レーザ - Google Patents
半導体基板、半導体基板の製造方法および垂直共振器面発光レーザ Download PDFInfo
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Abstract
【解決手段】垂直共振器面発光レーザ用の半導体基板であって、半導体基板はコンタクト層として機能するp型結晶層を有し、p型結晶層が、3−5族化合物半導体からなり、2×1018cm−3以上、1×1019cm−3以下の濃度の水素原子を含む半導体基板を提供する。p型結晶層として、p型GaAs層が挙げられる。p型結晶層が、p型不純物原子として炭素原子を含んでもよい。
【選択図】図1
Description
特許文献1 特開2009−194103号公報
特許文献2 特開平5−234907号公報
オフ角5°のベース基板102上に、表1に示す結晶層をエピタキシャル成長させた。3族原料ガスとしてTMGおよびTMAを用いた。5族原料ガスとしてアルシンを用いた。n型不純物ガスとしてジシランを用いた。層番号2〜5のp型結晶層ではV/III比が15以下と小さいので、3族原料ガスのメチル基に由来するC原子がp型不純物になるが、p型不純物ガスも併用した。p型不純物ガスとしてCBrCl3を用いた。エピタキシャル成長の反応温度は、570℃〜680℃の範囲で制御した。なお、層番号1のp型GaAs層がp型GaAs層114に相当する。層番号3のp型AlGaAs層が第1結晶層130に相当する。層番号2のp型AlGaAs層が第2結晶層132に相当する。
比較例として、ベース基板102の上に、表2に示す結晶層をエピタキシャル成長させた。比較例における各層の形成工程は、層番号5から層番号1までの各層において加熱処理を行わなかった点を除き、実施例1と同様である。
Claims (6)
- 垂直共振器面発光レーザ用の半導体基板であって、
前記半導体基板はコンタクト層として機能するp型結晶層を有し、
前記p型結晶層が、3−5族化合物半導体からなり、2×1018cm−3以上、1×1019cm−3以下の濃度の水素原子を含む
半導体基板。 - 前記p型結晶層が、p型GaAs層である
請求項1に記載の半導体基板。 - 前記p型結晶層が、p型不純物原子として炭素原子を含む
請求項1または請求項2に記載の半導体基板。 - 3族原料ガスと5族原料ガスとを用いたMOCVD法により水素原子を有するp型結晶層を成長する段階と、
前記p型結晶層を加熱し、前記p型結晶層内の水素原子濃度を低減する段階と、
を有する半導体基板の製造方法。 - 前記3族原料ガスが、3族原子に少なくとも1つのアルキル基が結合した3族原子のアルキル化物を含み、
前記5族原料ガスが、5族原子の水素化物を含み、
前記p型結晶層を成長する段階において、前記3族原料ガスのモル供給量に対する前記5族原料ガスのモル供給量の比(V/III比)を0.01以上15.0以下に制御する
請求項4に記載の半導体基板の製造方法。 - コンタクト層として機能するp型結晶層を有し、
前記p型結晶層が、3−5族化合物半導体からなり、2×1018cm−3以上、1×1019cm−3以下の濃度の水素原子を含む
垂直共振器面発光レーザ。
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JP2011275927A JP6012173B2 (ja) | 2010-12-21 | 2011-12-16 | 半導体基板、半導体基板の製造方法および垂直共振器面発光レーザ |
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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 |
TWI781445B (zh) * | 2019-09-24 | 2022-10-21 | 全新光電科技股份有限公司 | 高功率垂直共振腔表面放射雷射二極體(vcsel) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05152219A (ja) * | 1991-11-30 | 1993-06-18 | Nippon Telegr & Teleph Corp <Ntt> | 化合物半導体装置の製造方法 |
JPH0832181A (ja) * | 1994-07-05 | 1996-02-02 | Motorola Inc | 発光デバイスをp型ドーピングする方法 |
JP2004014747A (ja) * | 2002-06-06 | 2004-01-15 | Furukawa Electric Co Ltd:The | 面発光型半導体レーザ素子 |
JP2005332881A (ja) * | 2004-05-18 | 2005-12-02 | Sony Corp | 半導体発光素子の製造方法および半導体発光素子、並びに光学モジュール |
JP2011205006A (ja) * | 2010-03-26 | 2011-10-13 | Furukawa Electric Co Ltd:The | 半導体レーザ素子およびその製造方法 |
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JP2004207549A (ja) * | 2002-12-26 | 2004-07-22 | Hitachi Cable Ltd | 発光ダイオードの製造方法 |
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- 2011-12-16 JP JP2011275927A patent/JP6012173B2/ja not_active Expired - Fee Related
- 2011-12-20 TW TW100147333A patent/TW201234585A/zh unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05152219A (ja) * | 1991-11-30 | 1993-06-18 | Nippon Telegr & Teleph Corp <Ntt> | 化合物半導体装置の製造方法 |
JPH0832181A (ja) * | 1994-07-05 | 1996-02-02 | Motorola Inc | 発光デバイスをp型ドーピングする方法 |
JP2004014747A (ja) * | 2002-06-06 | 2004-01-15 | Furukawa Electric Co Ltd:The | 面発光型半導体レーザ素子 |
JP2005332881A (ja) * | 2004-05-18 | 2005-12-02 | Sony Corp | 半導体発光素子の製造方法および半導体発光素子、並びに光学モジュール |
JP2011205006A (ja) * | 2010-03-26 | 2011-10-13 | Furukawa Electric Co Ltd:The | 半導体レーザ素子およびその製造方法 |
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TW201234585A (en) | 2012-08-16 |
WO2012086150A1 (ja) | 2012-06-28 |
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