JP6252718B1 - 半導体装置、半導体装置の製造方法 - Google Patents
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- H01S5/30—Structure or shape of the active region; Materials used for the active region
- H01S5/34—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
- H01S5/3413—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers comprising partially disordered wells or barriers
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- H01S5/34—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
- H01S5/343—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser
- H01S5/34313—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser with a well layer having only As as V-compound, e.g. AlGaAs, InGaAs
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- H01S5/2054—Methods of obtaining the confinement
- H01S5/2059—Methods of obtaining the confinement by means of particular conductivity zones, e.g. obtained by particle bombardment or diffusion
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Abstract
Description
図1は、実施の形態1に係る半導体装置10の断面図である。半導体装置10は、半導体レーザ部12と、EA(Electro−Absorption)変調器で構成された隣接部14を集積したリッジ型光集積素子を構成している。隣接部14は、EA変調器以外の光変調器又は光導波路とすることができる。破線は半導体レーザ部12と隣接部14の境界を示す。
図9は、実施の形態2に係る半導体装置60の断面図である。半導体レーザ部12の隣接部14に接する部分は無秩序化された無秩序部62となっている。しかしながら、隣接部14の半導体レーザ部12に接する部分は無秩序化されていない。つまり、半導体レーザ部12だけに無秩序部62が形成されている。
Claims (8)
- 基板と、
前記基板の上に形成され、活性層を有する半導体レーザ部と、
前記基板の上に形成され、コア層を有し、前記半導体レーザ部に接する光変調器又は光導波路である隣接部と、を備え、
前記半導体レーザ部の前記隣接部に接する部分は無秩序化され、
前記隣接部の前記半導体レーザ部に接する部分は無秩序化されたことを特徴とする半導体装置。 - 前記活性層と前記コア層の下に形成された下クラッド層を備え、
前記活性層の前記隣接部に接する部分は無秩序化され、
前記コア層の前記半導体レーザ部に接する部分は無秩序化され、
無秩序化された部分の底面は、前記下クラッド層の下面よりも上にあることを特徴とする請求項1に記載の半導体装置。 - 基板の上に、活性層を有する半導体レーザ部を形成する工程と、
前記基板の上に前記半導体レーザ部とバットジョイント接合された光変調器又は光導波路である隣接部を形成する工程と、
前記半導体レーザ部の前記隣接部に接する部分と、前記隣接部の前記半導体レーザ部に接する部分とを無秩序化する無秩序化工程と、を備えたことを特徴とする半導体装置の製造方法。 - 基板の上に、活性層を有する多層構造を形成する工程と、
前記多層構造の一部を無秩序化する無秩序化工程と、
前記多層構造のうち無秩序化された部分の一部を除去することで、無秩序化されていない部分と無秩序化された無秩序部を有し、側面に前記無秩序部が露出した半導体レーザ部を形成する除去工程と、
前記基板の上に、前記半導体レーザ部とバットジョイント接合された光変調器又は光導波路である隣接部を形成する工程と、を備えたことを特徴とする半導体装置の製造方法。 - 前記除去工程では、前記多層構造のうち無秩序化された部分だけをドライエッチングで前記活性層の途中までエッチングし、次に、前記活性層に対するエッチングレートが前記活性層の下層に対するエッチングレートより高い選択エッチングを行うことを特徴とする請求項4に記載の半導体装置の製造方法。
- 前記無秩序化工程では、不純物注入による無秩序化を行うことを特徴とする請求項3〜5のいずれか1項に記載の半導体装置の製造方法。
- 前記無秩序化工程では、不純物拡散による無秩序化を行うことを特徴とする請求項3〜5のいずれか1項に記載の半導体装置の製造方法。
- 前記活性層は歪活性層であることを特徴とする請求項5〜7のいずれか1項に記載の半導体装置の製造方法。
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JPH06268325A (ja) * | 1993-03-16 | 1994-09-22 | Fujitsu Ltd | 光半導体装置 |
JPH0715001A (ja) * | 1991-02-20 | 1995-01-17 | Hikari Keisoku Gijutsu Kaihatsu Kk | 光集積回路 |
JPH08148758A (ja) * | 1994-11-17 | 1996-06-07 | Nippon Telegr & Teleph Corp <Ntt> | 半導体光素子およびその製造方法 |
JP2002169131A (ja) * | 2000-12-04 | 2002-06-14 | Fujitsu Ltd | 光半導体素子及び光半導体素子の変調方法 |
JP2006317819A (ja) * | 2005-05-16 | 2006-11-24 | Mitsubishi Electric Corp | 電界吸収型変調器および半導体装置 |
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JP2914203B2 (ja) * | 1994-02-24 | 1999-06-28 | 日本電気株式会社 | ヘテロ接合半導体デバイス |
DE19652529A1 (de) * | 1996-12-17 | 1998-06-18 | Siemens Ag | Optoelektronisches Bauelement mit MQW-Strukturen |
JP2008205270A (ja) * | 2007-02-21 | 2008-09-04 | Matsushita Electric Ind Co Ltd | 半導体レーザ装置及びその製造方法 |
JP5314435B2 (ja) | 2009-01-14 | 2013-10-16 | 日本オクラロ株式会社 | 集積光デバイス及びその製造方法 |
JP5803313B2 (ja) * | 2011-06-16 | 2015-11-04 | 三菱電機株式会社 | レーザ素子とその製造方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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JPH0715001A (ja) * | 1991-02-20 | 1995-01-17 | Hikari Keisoku Gijutsu Kaihatsu Kk | 光集積回路 |
JPH06268325A (ja) * | 1993-03-16 | 1994-09-22 | Fujitsu Ltd | 光半導体装置 |
JPH08148758A (ja) * | 1994-11-17 | 1996-06-07 | Nippon Telegr & Teleph Corp <Ntt> | 半導体光素子およびその製造方法 |
JP2002169131A (ja) * | 2000-12-04 | 2002-06-14 | Fujitsu Ltd | 光半導体素子及び光半導体素子の変調方法 |
JP2006317819A (ja) * | 2005-05-16 | 2006-11-24 | Mitsubishi Electric Corp | 電界吸収型変調器および半導体装置 |
Cited By (2)
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CN112352177A (zh) * | 2018-07-12 | 2021-02-09 | 三菱电机株式会社 | 光发送设备 |
CN112352177B (zh) * | 2018-07-12 | 2022-06-21 | 三菱电机株式会社 | 光发送设备 |
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US10903620B2 (en) | 2021-01-26 |
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CN110622374B (zh) | 2022-05-27 |
US20200067262A1 (en) | 2020-02-27 |
CN110622374A (zh) | 2019-12-27 |
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