JP6722204B2 - ホイッスル形状可変フィルタに結合されたiii−v族半導体利得部を有する発光装置 - Google Patents
ホイッスル形状可変フィルタに結合されたiii−v族半導体利得部を有する発光装置 Download PDFInfo
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- 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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- H01S5/343—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
- H01S5/3434—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 comprising at least both As and P as V-compounds
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Description
520,620,720:光導波路
521,621,721:第1の端部
522,622,722:第2の端部
523,623,723:第1のミラー
524,624,724:第2のミラー
530,630,730:第1の受動マイクロリング共振器
540,640,740:第1の光導波路分岐
541,641,741:第1の高反射性広帯域ミラー
560:第2の受動マイクロリング共振器
570:第2の光導波路分岐
571:第2の高反射性広帯域ミラー
580,590,790:制御式ヒータ
760:中間受動マイクロリング共振器
Claims (19)
- 第1の端部(521,621,721)と第2の端部(522,622,722)を有する光導波路(520,620,720)に光学的に結合されたレーザ利得部(510,610,710)と、前記第1の端部と前記レーザ利得部との間に配置された第1の受動マイクロリング共振器(530,630,730)と、を備えた波長可変半導体レーザであって、
前記第1の受動マイクロリング共振器は、ホイッスル形状にしたがって前記第1のマイクロリング共振器に接線方向において接続された第1の光導波路分岐(540,640,740)によって延出され、
前記第1の光導波路分岐は、自由端部において、第1の高反射性広帯域ミラー(541,641,741)を備え、
前記光導波路は、前記第1の端部において第1のミラー(523,623,723)と、前記第2の端部において第2のミラー(524,624,724)とを備え、
前記第1のマイクロリング共振器は、前記レーザ利得部の第1の側において前記光導波路にエバネッセント結合されることで、前記レーザ利得部に光フィードバックを提供する、
波長可変半導体レーザ。 - 前記第1の受動マイクロリング共振器は、制御式ヒータ(580,680,780)を備える、請求項1に記載の波長可変半導体レーザ。
- 前記第1の受動マイクロリング共振器と前記光導波路の間に配置された中間受動マイクロリング共振器(760)をさらに備え、
前記中間受動マイクロリング共振器は、前記第1の受動マイクロリング共振器及び前記光導波路にエバネッセント結合されている、
請求項1または2に記載の波長可変半導体レーザ。 - 前記中間受動マイクロリング共振器は、制御式ヒータ(790)を備える、
請求項3に記載の波長可変半導体レーザ。 - 前記第1の光導波路分岐は、直線状分岐として構成されている、
請求項1から4のうちいずれか一項に記載の波長可変半導体レーザ。 - 前記第1の高反射性広帯域ミラーは、ブラッグ(Bragg)グレーティングである、請求項1から5のうちいずれか一項に記載の波長可変半導体レーザ。
- 前記第2の端部(522)と前記レーザ利得部との間に配置された第2の受動マイクロリング共振器(560)をさらに備え、
前記第2の受動マイクロリング共振器は、ホイッスル形状にしたがって前記第2のマイクロリング共振器に接線方向において接続された第2の光導波路分岐(570)によって延出され、
前記第2の光導波路分岐は、自由端部において第2の高反射性広帯域ミラー(571)を備え、
前記第2の受動マイクロリング共振器は、前記第1の側の反対側である前記レーザ利得部の第2の側において前記光導波路にエバネッセント結合されている、
請求項1に記載の波長可変半導体レーザ。 - 前記第1の受動マイクロリング共振器及び/又は前記第2の受動マイクロリング共振器は、制御式ヒータ(580,590)を備える、請求項7に記載の波長可変半導体レーザ。
- 前記第1の受動マイクロリング共振器及び/又は前記第2の受動マイクロリング共振器は、レーストラック形状を有する、請求項8に記載の波長可変半導体レーザ。
- 前記光導波路の端部のうち少なくとも一方は、前記光導波路から出力された光の方向を変更する出力ミラーを備える、請求項1から9のうちのいずれか一項に記載の波長可変半導体レーザ。
- 前記光導波路の一方の端部は、前記導波路から出力された光の方向を変更する出力ミラーを備える一方、前記光導波路の他方の端部は、高反射性広帯域ミラーを備える、
請求項1から9のうちいずれか一項に記載の波長可変半導体レーザ。 - 前記波長可変半導体レーザは、III−V族/Si技術によって実装される、請求項1から11のうちいずれか一項に記載の波長可変半導体レーザ。
- 前記光導波路と、前記第1と第2の光導波路分岐を含む前記第1と第2の受動マイクロリング共振器は、Si基板を被覆するSiO2層の上のシリコンのパターンを構成する、
請求項12に記載の波長可変半導体レーザ。 - 前記レーザ利得部は、III−V族基板上に成膜された多層のエピタキシャルIII−V族層を備え、
前記レーザ利得部は、前記エピタキシャル層を下にした状態で、前記シリコンのパターン上に接合される、請求項13に記載の波長可変半導体レーザ。 - 前記III−V族エピタキシャル層は、分子ウェハボンディング技法によって前記シリコンのパターン上に接合される、請求項14に記載の波長可変半導体レーザ。
- 前記III−V族エピタキシャル層は、接着ボンディングによって前記シリコンのパターン上に接合される、請求項14に記載の波長可変半導体レーザ。
- 前記レーザ利得部は、断熱シリコン逆テーパによって前記光導波路に結合され、
前記シリコンテーパの幅は、前記レーザ利得部から前記光導波路のうち一方の端部に向けて増加し、
前記断熱シリコン逆テーパは、前記レーザ利得部の光学モードを前記光導波路の光学モードに変換する、請求項15または16に記載の波長可変半導体レーザ。 - 前記多層のエピタキシャル層は、2つのInGaAsP分離閉じ込めへテロ構造層によって包囲された複数のInGaAsP量子井戸を備える、
請求項14から17のうちいずれか一項に記載の波長可変半導体レーザ。 - 前記多層のエピタキシャル層は、2つのAlInGaAs分離閉じ込めへテロ構造層によって包囲された複数のInGaAs/AlInGaAs量子井戸を備える、
請求項14から17のうちいずれか一項に記載の波長可変半導体レーザ。
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EP15174743.3 | 2015-07-01 | ||
EP15174743.3A EP3113303B1 (en) | 2015-07-01 | 2015-07-01 | Light-emitting device having iii-v semiconductor gain section coupled to whistle-geometry tunable filter |
PCT/EP2016/065125 WO2017001466A1 (en) | 2015-07-01 | 2016-06-29 | Light-emitting device having iii-v semiconductor gain section coupled to whistle-geometry tunable filter |
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US (1) | US10320149B2 (ja) |
EP (1) | EP3113303B1 (ja) |
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US10566765B2 (en) | 2016-10-27 | 2020-02-18 | Hewlett Packard Enterprise Development Lp | Multi-wavelength semiconductor lasers |
JP2018113302A (ja) * | 2017-01-10 | 2018-07-19 | 富士通株式会社 | 変調光源及び光モジュール |
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