JP5451332B2 - 光半導体装置 - Google Patents
光半導体装置 Download PDFInfo
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- JP5451332B2 JP5451332B2 JP2009263472A JP2009263472A JP5451332B2 JP 5451332 B2 JP5451332 B2 JP 5451332B2 JP 2009263472 A JP2009263472 A JP 2009263472A JP 2009263472 A JP2009263472 A JP 2009263472A JP 5451332 B2 JP5451332 B2 JP 5451332B2
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Description
素子の両面に電極を配置する光半導体装置で用いるInP基板は、n型又はp型の導電性基板か、絶縁性基板を用いる。
(B)電界吸収型(EA)変調器、マッハツェンダ型(MZ)変調器、方向性結合型光(DC)変調器
(C)PIN型フォトダイオード(PD)、雪崩型フォトダイオード(APD)
(D)パッシブ導波路、多モード干渉器(MMI)、アレイ型導波路回折格子(AWG)
(B)電界吸収型(EA)変調器、マッハツェンダ型(MZ)変調器、方向性結合型光(DC)変調器
(C)PIN型フォトダイオード(PD)、雪崩型フォトダイオード(APD)
(D)パッシブ導波路、多モード干渉器(MMI)、アレイ型導波路回折格子(AWG)
また、レーザ部が熱的、あるいは電気的な手段で発振波長を可変する機能を有していても、本発明の効果は本質的に変わるものではない。
(A)分布帰還型(DFB)レーザ、分布反射型(DBR)レーザ、半導体光増幅器(SOA)
(B)電界吸収型(EA)変調器、マッハツェンダ型(MZ)変調器、方向性結合型光(DC)変調器
(C)PIN型フォトダイオード(PD)、雪崩型フォトダイオード(APD)
(D)パッシブ導波路、多モード干渉器(MMI)、アレイ型導波路回折格子(AWG)
また、レーザ部が熱的、あるいは電気的な手段で発振波長を可変する機能を有していても、本発明の効果は本質的に変わるものではない。
(B)電界吸収型(EA)変調器、マッハツェンダ型(MZ)変調器、方向性結合型光(DC)変調器
(C)PIN型フォトダイオード(PD)、雪崩型フォトダイオード(APD)
(D)パッシブ導波路、多モード干渉器(MMI)、アレイ型導波路回折格子(AWG)
また、レーザ部が熱的、あるいは電気的な手段で発振波長を可変する機能を有していても、本発明の効果は本質的に変わるものではない。
なお、実施例1乃至4に記載したRu-InP膜の好ましい膜厚について、以下説明する。
(B)電界吸収型(EA)変調器、マッハツェンダ型(MZ)変調器、方向性結合型光(DC)変調器
(C)PIN型フォトダイオード(PD)、雪崩型フォトダイオード(APD)
(D)パッシブ導波路、多モード干渉器(MMI)、アレイ型導波路回折格子(AWG)
(B)電界吸収型(EA)変調器、マッハツェンダ型(MZ)変調器、方向性結合型光(DC)変調器
(C)PIN型フォトダイオード(PD)、雪崩型フォトダイオード(APD)
(D)パッシブ導波路、多モード干渉器(MMI)、アレイ型導波路回折格子(AWG)
(B)電界吸収型(EA)変調器、マッハツェンダ型(MZ)変調器、方向性結合型光(DC)変調器
(C)PIN型フォトダイオード(PD)、雪崩型フォトダイオード(APD)
(D)パッシブ導波路、多モード干渉器(MMI)、アレイ型導波路回折格子(AWG)
また、レーザ部が熱的、あるいは電気的な手段で発振波長を可変する機能を有していても、本発明の効果は本質的に変わるものではない。
(B)電界吸収型(EA)変調器、マッハツェンダ型(MZ)変調器、方向性結合型光(DC)変調器
(C)PIN型フォトダイオード(PD)、雪崩型フォトダイオード(APD)
(D)パッシブ導波路、多モード干渉器(MMI)、アレイ型導波路回折格子(AWG)
尚、実施例5乃至8におけるRu-InP基板91は、既に述べた別の発明コンセプトに基づき、Fe-InP基板で置き換えても良い。
91…RuドープInP基板、92…RuドープInPバッファー層、93…n型InPクラッド層、94…多重量子井戸、95…回折格子層、96…p型InPクラッド層、97…p+型コンタクト層、98…誘電体マスク、99…半絶縁InP埋め込み層、910…パッシベーション膜、911…DFBレーザp電極、912…n電極、913…光吸収層、914…EA変調器p電極、916…位相調整領域p電極、917…光導波路、918…多モード干渉器
Claims (16)
- 第1導電型InP層上に半絶縁性InP層が積層された半絶縁性基板上に、半導体積層体が積層され、
前記第1導電型InP層は、亜鉛又は硫黄がドーピングされており、
前記半絶縁性InP層は、ルテニウム又はオスミウムがドーピングされ、
前記半導体積層体は、
前記半絶縁性基板上に配置されたn型半導体層と、
前記n型半導体層上に積層されている活性層と、
前記活性層上に積層されているp型半導体層と、
を備えていることを特徴とする光半導体装置。 - 請求項1において、
ルテニウムがドーピングされた半絶縁性InP層の膜厚は、0.5μm以上150μm以下とする光半導体装置。 - 請求項2において、
第1導電型のキャリアを供給する第1電極と、前記第1導電型とは異なる第2導電型のキャリアを供給する第2電極とを前記半絶縁性基板の一方の面に備えている光半導体装置。 - 請求項1において、
第1光機能素子と第2光機能素子を備え、
前記第1光機能素子は、第1導電型のキャリアを供給する第1電極と、前記第1導電型とは異なる第2導電型のキャリアを供給する第2電極とを前記半絶縁性基板の一方の面に備え、
前記第2光機能素子は、第1導電型のキャリアを供給する第3電極と、前記第1導電型とは異なる第2導電型のキャリアを供給する第4電極とを前記半絶縁性基板の一方の面に備え、
前記第1電極と前記第3電極とは連結されており、
前記第2電極と前記第4電極とは分離されていることを特徴とする光半導体装置。 - 請求項1において、
前記半絶縁性InP層の上に下部クラッド層、活性層及び上部クラッド層の積層体を有し、
分布帰還型(DFB)レーザ、分布反射型(DBR)レーザ、半導体光増幅器(SOA)のいずれかが構成されていることを特徴とする光半導体装置。 - 請求項4において、
前記第1光機能素子は、分布帰還型(DFB)レーザ、分布反射型(DBR)レーザ、半導体光増幅器(SOA)のいずれかであることを特徴とする光半導体装置。 - 請求項1において、
PIN型フォトダイオード(PD)、雪崩型フォトダイオード(APD)のどちらかが構成されていることを特徴とする光半導体装置。 - 請求項1において、
パッシブ導波路、多モード干渉器(MMI)、アレイ型導波路回折格子(AWG)のいずれかが構成されていることを特徴とする光半導体装置。 - 少なくとも表面にルテニウム(Ru)或いはオスニウム(Os)がド−ピングされた半絶縁性InPを有する半絶縁性InP基板と、
前記半絶縁性InP基板上に配置されたn型半導体層と、
前記n型半導体層上に積層されている活性層と、
前記活性層上に積層されているp型半導体層と、
前記p型半導体層に接続された第1電極と、
前記n型半導体層に接続された第2電極とを備えた光半導体装置。 - 請求項9において、
前記半絶縁性InP基板は、Ruがドーピングされた半絶縁性InPで構成されていることを特徴とする光半導体装置。 - 請求項9において、
前記半絶縁性InP基板は、Ruがドーピングされた半絶縁性InP層が、導電性InP基板上に積層されていることを特徴とする光半導体装置。 - 請求項9において、
前記半絶縁性InP基板は、Ruがドーピングされた半絶縁性InP層が、Feドープ半絶縁性InP基板上に積層されていることを特徴とする光半導体装置。 - 請求項9において、
前記光半導体装置は、少なくとも半導体レーザ、或いは半導体光増幅器を含むことを特徴とする光半導体装置。 - 請求項13において、
前記半絶縁性基板のルテニウム、或いはオスニウムのドーピング濃度は5x1015cm-3から1x1019cm-3の範囲であることを特徴とする光半導体装置。 - 請求項14において、
前記半絶縁性基板中の亜鉛(Zn)、ベリリウム(Be)、マグネシウム(Mg)、炭素(C)、シリコン(Si)、硫黄(S)、錫(Sn)の濃度が1x1016cm-3未満であることを特徴とする光半導体装置。 - 請求項15において、
前期基板主表面が(100)面であって、該基板面が-0.05度以上-0.2度以下の角度で微傾斜していることを特徴とする光半導体装置。
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| JP5803366B2 (ja) * | 2011-07-14 | 2015-11-04 | 住友電気工業株式会社 | 埋め込みヘテロ構造半導体レーザの製造方法及び埋め込みヘテロ構造半導体レーザ |
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| WO2014156596A1 (ja) * | 2013-03-26 | 2014-10-02 | Jx日鉱日石金属株式会社 | 化合物半導体ウエハ、光電変換素子、およびiii-v族化合物半導体単結晶の製造方法 |
| JP6220614B2 (ja) * | 2013-09-20 | 2017-10-25 | ルネサスエレクトロニクス株式会社 | 半導体装置の製造方法および半導体装置 |
| JP6454981B2 (ja) * | 2014-04-24 | 2019-01-23 | 住友電気工業株式会社 | 半導体積層体および受光素子 |
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| WO2018091094A1 (en) * | 2016-11-17 | 2018-05-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method for fabricating an electro-absorption modulated laser and electro-absorption modulated laser |
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