JP2008544559A - 分離された吸収・マルチプリケーション領域を持つ、ゲルマニウム/シリコンアバランチ光検出器 - Google Patents
分離された吸収・マルチプリケーション領域を持つ、ゲルマニウム/シリコンアバランチ光検出器 Download PDFInfo
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 44
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims description 51
- 229910052710 silicon Inorganic materials 0.000 title claims description 51
- 239000010703 silicon Substances 0.000 title claims description 51
- 229910052732 germanium Inorganic materials 0.000 title claims description 24
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 title claims description 24
- 239000004065 semiconductor Substances 0.000 claims abstract description 32
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- GPXJNWSHGFTCBW-UHFFFAOYSA-N Indium phosphide Chemical compound [In]#P GPXJNWSHGFTCBW-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 description 4
- KXNLCSXBJCPWGL-UHFFFAOYSA-N [Ga].[As].[In] Chemical compound [Ga].[As].[In] KXNLCSXBJCPWGL-UHFFFAOYSA-N 0.000 description 4
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Abstract
【選択図】なし
Description
Claims (20)
- 一の第二種類の半導体領域に隣接する一の第一種類の半導体領域を含む一の吸収領域と、
前記吸収領域に隣接するおよび前記吸収領域から分離されるとして定義され、前記吸収領域で形成される複数の電子をマルチプライする一の電界が存在する一の真性半導体領域を含む一のマルチプリケーション領域とを含み、
前記第一種類の半導体は一の第一波長範囲の光を吸収し、前記第二種類の半導体は一の第二波長範囲の光を吸収する、装置。 - 前記第一種類の半導体領域に入射する、前記第一波長範囲外であって前記第二波長範囲内の一の波長を持つ光は、前記第一種類の半導体の材料を通って、前記第二種類の半導体の材料へと吸収される、
請求項1に記載の装置。 - 前記マルチプリケーション領域の前記真性半導体領域は、第一および第二ドープ領域間に設けられる、請求項1に記載の装置。
- 前記吸収層に隣接して設けられる一のドープコンタクト層をさらに含む、請求項1に記載の装置。
- 前記第一種類の半導体領域はシリコンを含み、前記第二種類の半導体領域はゲルマニウムを含む、請求項1に記載の装置。
- 前記吸収領域は、前記第一波長範囲および前記第二波長範囲の一の組み合わせである一の範囲内の光を吸収する、請求項5に記載の装置。
- 前記装置は一の光検知器であり、前記光検知器は、一のアレイ状に設けられ前記アレイにフォーカスされるを一括して検知する複数の光検知器のうちの一つである、請求項1に記載の装置。
- 前記マルチプリケーション領域に隣接して設けられる一の反射層をさらに含み、
前記マルチプリケーション領域は、前記吸収領域と前記マルチプリケーションとを含む一の共振空胴が、前記反射層と光が入射する前記装置の表面との間に定義されるよう、前記吸収領域と前記反射層との間に設けられる、請求項1に記載の装置。 - 前記反射層は一のシリコン・オン・インシュレータ(SOI)ウェハの一の埋め込み酸化物層を含む、請求項8に記載の装置。
- 前記ドープコンタクト層に隣接する前記吸収領域で定義される複数のガードリングをさらに含む、請求項4に記載の装置。
- 一の光ビームを一の吸収領域の一の第一種類の半導体領域へ方向付ける工程と、
前記第一種類の半導体領域で、一の第一波長範囲の光の一の第一の箇所を吸収する工程と、
前記第一波長範囲外であって一の第二波長範囲内の光の一の第二の箇所を通過させる工程と、
前記光の前記第二の箇所を前記吸収領域の一の第二種類の半導体領域に吸収させる工程と、
前記吸収領域に形成され前記吸収領域に隣接して定義される一のマルチプリケーション領域へとドリフトする複数の電子を選択的にマルチプライする工程と、
を含む方法。 - 前記マルチプリケーション領域の一の高電界に呼応して、前記吸収領域に形成され前記マルチプリケーション領域へとドリフトする前記複数の電子を加速する工程をさらに含む、請求項11に記載の方法。
- 前記吸収領域に形成され前記マルチプリケーション領域へとドリフトする前記複数の電子を選択的にマルチプライする工程は、前記マルチプリケーション領域内の衝撃イオン化に呼応して行われる、請求項11に記載の方法。
- 前記複数の電子を選択して前記マルチプリケーション領域をマルチプライする工程は、前記マルチプリケーション領域が含むシリコンが略0.05より小さい一のk係数値を持つことに呼応して行われる、請求項11に記載の方法。
- 前記吸収領域と前記マルチプリケーション領域とを含む一の共振空胴を定義する複数の反射表面間の光を反射する工程をさらに含む、請求項11に記載の方法。
- 複数の光検知器の各々が、
一の第二種類の半導体領域に隣接する一の第一種類の半導体領域を含む一の吸収領域と、
前記吸収領域に隣接するおよび前記吸収領域から分離されるとして定義され、前記吸収領域で形成される複数の電子をマルチプライする一の電界が存在する一の真性半導体領域を含む一のマルチプリケーション領域とを含み、
前記第一種類の半導体は一の第一波長範囲の光を吸収し、前記第二種類の半導体は一の第二波長範囲の光を吸収する、複数のアレイ状の光検知器と、
一の光画像を前記複数のアレイ状の光検知器上へフォーカスする一の光フォーカス要素と、
を含むシステム。 - 前記光フォーカス要素は一のレンズを含む、請求項16に記載のシステム。
- 前記第一種類の半導体領域はシリコンを含み、前記第二種類の半導体領域はゲルマニウムを含む、請求項16に記載のシステム。
- 前記複数の光検知器の各々の前記マルチプリケーション領域の前記真性半導体領域は、第一および第二ドープ領域間に設けられる、請求項16に記載のシステム。
- 前記複数の光検知器の各々は、前記吸収領域と前記マルチプリケーション領域とを含む一の共振空胴をさらに含む、請求項16に記載のシステム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US11/170,556 US7233051B2 (en) | 2005-06-28 | 2005-06-28 | Germanium/silicon avalanche photodetector with separate absorption and multiplication regions |
PCT/US2006/026214 WO2007002953A2 (en) | 2005-06-28 | 2006-06-28 | Germanium/silicon avalanche photodetector with separate absorption and multiplication regions |
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US (4) | US7233051B2 (ja) |
EP (1) | EP1897148A2 (ja) |
JP (1) | JP2008544559A (ja) |
KR (1) | KR100944574B1 (ja) |
CN (2) | CN1905216B (ja) |
WO (1) | WO2007002953A2 (ja) |
Cited By (4)
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JP2013532902A (ja) * | 2010-07-23 | 2013-08-19 | インテル コーポレイション | 高速、高光帯域、及び、高効率の共振空洞感度増強光検出器 |
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US8338857B2 (en) | 2012-12-25 |
US20070164385A1 (en) | 2007-07-19 |
CN102593202A (zh) | 2012-07-18 |
US20140367740A1 (en) | 2014-12-18 |
CN1905216A (zh) | 2007-01-31 |
US8829566B2 (en) | 2014-09-09 |
KR100944574B1 (ko) | 2010-02-25 |
US20060289957A1 (en) | 2006-12-28 |
EP1897148A2 (en) | 2008-03-12 |
US7233051B2 (en) | 2007-06-19 |
US20100320502A1 (en) | 2010-12-23 |
KR20080028385A (ko) | 2008-03-31 |
WO2007002953A3 (en) | 2007-06-21 |
WO2007002953A2 (en) | 2007-01-04 |
CN1905216B (zh) | 2012-03-21 |
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