JP6628028B2 - 半導体発光装置及び光送受信器 - Google Patents
半導体発光装置及び光送受信器 Download PDFInfo
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Description
(付記1)基板と、前記基板上に酸化膜を介して設けられた反射構造を有する光導波路と、前記光導波路上に配置された半導体発光素子とを有し、前記光導波路は、中央部に位置する一定幅コア層と、前記一定幅コア層の両側に配置されたコア幅が漸増するテーパ状コア層と、一定幅の光配線用コア層とを有し、前記半導体発光素子は、前記両側のテーパ状コア層の少なくとも一部を覆うように配置されていることを特徴とする半導体光源。
(付記2)前記反射構造は、前記半導体発光素子に覆われていない領域に形成された側面回折格子であることを特徴とする付記1に記載の半導体光源。
(付記3)前記反射構造は、前記中央部に位置する一定幅コア層の側面に設けられた側面回折格子であることを特徴とする付記1に記載の半導体光源。
(付記4)前記反射構造は、出射方向の前記半導体発光素子に覆われていない領域のみに設けられた側面回折格子と、前記出射方向と反対方向の前記半導体発光素子に覆われていない領域に設けられたループミラーとを有することを特徴とする付記1に記載の半導体光源。
(付記5)前記反射構造は、前記光導波路の両端に設けられた一対のループミラーを有し、前記光導波路の出射端側において、一定幅の光配線用コア層が前記出射端側のループミラーの入力導波路から分岐していることを特徴とする付記1に記載の半導体光源。
(付記6)前記光配線用コア層と出射側のテーパ状コア層との間に前記光配線用コア層に向かってテーパ幅が漸減する逆テーパ状コア層を有し、前記逆テーパ状コア層が、厚さが変化する遷移部を有することを特徴とする付記1乃至付記5のいずれか1に記載の半導体光源。
(付記7)前記遷移部は、導波方向に対して斜め方向に膜厚がステップ的に変化する遷移部であることを特徴とする付記6に記載の半導体光源。
(付記8)前記遷移部は、導波方向に対して斜め方向に膜厚が漸減する遷移部であることを特鋼とする付記6に記載の半導体光源。
(付記9)前記光導波路の少なくとも一部の両側に前記半導体発光素子を載置する台座部を有することを特徴とする付記1乃至付記8のいずれか1に記載の半導体光源。
(付記10)前記基板は、Si基板上に埋込酸化膜を介して単結晶Si層を設けたSOI基板のSi基板であり、前記酸化膜は、前記SOI基板の埋込酸化膜であり、前記光導波路及び前記側面回折格子は、前記SOI基板の単結晶Si層を加工して形成した光導波路及び側面回折格子であることを特徴とする付記1乃至付記9のいずれか1に記載の半導体光源。
(付記11)前記半導体発光素子は、量子ドット活性層を備えた量子ドット半導体レーザであることを特徴とする付記1乃至付記10のいずれか1に記載の半導体光源。
(付記12)付記1乃至付記11のいずれか1に記載の半導体光源を設けた前記基板上に、光変調器と、前記光配線用コア層と前記光変調器との間を接続する入力導波路用コア層とを設けたことを特徴とする光送信器。
(付記13)付記12に記載の光送信器を設けた前記基板上に、入力用光配線コア層と、前記入力用光配線コア層と光学的結合するGe或いはGeを最大成分とするGe系受光素子とを設けたことを特徴とする光送受信器。
2 酸化膜
3 一定幅コア層
4,5 テーパ状コア層
6,7 側面回折格子
8 逆テーパ状コア層
9 光配線用コア層
10,11 台座部
12 遷移部
13 半導体発光素子
14 上部クラッド層
20 半導体光源
21 Si基板
22 BOX層
23 単結晶Si層
24 一定幅コア層
25 前方テーパ状コア層
26 後方テーパ状コア層
27 前方回折格子反射鏡部
28 後方回折格子反射鏡部
29 逆テーパ状コア層
30 光配線用コア層
31,32 台座部
33 斜め段差部
34 n型半導体領域
35 SiO2膜
36 p側電極
37 n側電極
38 分布帰還用回折格子
39 位相シフト領域
40 量子ドット半導体レーザ
41 p型Al0.4Ga0.6Asクラッド層
42 p型Al0.98As0.02As層
43 自己酸化膜
44 p型Al0.4Ga0.6Asクラッド層
45 量子ドッド活性層
46 n型Al0.4Ga0.6Asクラッド層
50 逆テーパ状コア層
51 分岐コア層
52 ループミラー
53 斜め段差部
54 分岐コア層
55 分岐コア層
56 ループミラー
60 電界吸収型変調器
61 入力導波路用コア層
62 出力導波路用コア層
70 Geフォトダイオード
71 テラス部
72 テーパ状コア層
73 光配線用コア層
Claims (4)
- 基板と、
前記基板上に酸化膜を介して設けられた反射構造を有する光導波路と、
前記光導波路上に配置された半導体発光素子と
を有し、
前記光導波路は、中央部に位置する一定幅コア層と、前記一定幅コア層の両側に配置されたコア幅が漸増するテーパ状コア層と、一定幅の光配線用コア層と、
前記光配線用コア層と出射側のテーパ状コア層との間に前記光配線用コア層に向かってテーパ幅が漸減する逆テーパ状コア層を有し、
前記逆テーパ状コア層は、厚さが変化する遷移部を有し、
前記半導体発光素子は、前記両側のテーパ状コア層の少なくとも一部を覆うように配置されていることを特徴とする半導体光源。 - 前記反射構造は、前記半導体発光素子に覆われていない領域に形成された側面回折格子であることを特徴とする請求項1に記載の半導体光源。
- 前記反射構造は、前記中央部に位置する一定幅コア層の側面に設けられた側面回折格子であることを特徴とする請求項1に記載の半導体光源。
- 請求項1乃至請求項3のいずれか1項に記載の半導体光源を設けた前記基板上に、
光変調器と、
前記光配線用コア層と前記光変調器との間を接続する入力導波路用コア層と、
入力用光配線コア層と、
前記入力用光配線コア層と光学的結合するGe或いはGeを最大成分とするGe系受光素子と
を設けたことを特徴とする光送受信器。
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JP2015196119A JP6628028B2 (ja) | 2015-10-01 | 2015-10-01 | 半導体発光装置及び光送受信器 |
US15/281,426 US9871347B2 (en) | 2015-10-01 | 2016-09-30 | Semiconductor light emitting device and optical transceiver |
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US10776912B2 (en) * | 2016-03-09 | 2020-09-15 | Agency For Science, Technology And Research | Self-determining inspection method for automated optical wire bond inspection |
KR20180040038A (ko) * | 2016-10-11 | 2018-04-19 | 삼성전자주식회사 | 양자점 발광 소자 및 이를 포함하는 광학 장치 |
FR3061961B1 (fr) * | 2017-01-19 | 2019-04-19 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Dispositif photonique comportant un laser optiquement connecte a un guide d'onde silicium et procede de fabrication d'un tel dispositif photonique |
US10447006B2 (en) * | 2017-02-22 | 2019-10-15 | International Business Machines Corporation | Electro-optical device with asymmetric, vertical current injection ohmic contacts |
US10665609B2 (en) * | 2017-02-22 | 2020-05-26 | International Business Machines Corporation | Electro-optical and optoelectronic devices |
US10514584B2 (en) | 2017-08-10 | 2019-12-24 | Sicoya Gmbh | Optical signal generator comprising a phase shifter |
JP6981291B2 (ja) * | 2018-02-14 | 2021-12-15 | 住友電気工業株式会社 | ハイブリッド光装置、ハイブリッド光装置を作製する方法 |
JP6965816B2 (ja) * | 2018-04-13 | 2021-11-10 | 日本電信電話株式会社 | 半導体光素子 |
JP7056440B2 (ja) * | 2018-07-26 | 2022-04-19 | 住友電気工業株式会社 | 光半導体素子の製造方法 |
JP7159750B2 (ja) * | 2018-09-26 | 2022-10-25 | 住友電気工業株式会社 | 光半導体素子およびその製造方法 |
FR3095903B1 (fr) | 2019-05-09 | 2022-12-09 | Commissariat Energie Atomique | Laser monomode hybride III-V sur silicium de fabrication simplifiée |
JPWO2020245935A1 (ja) * | 2019-06-05 | 2020-12-10 | ||
GB2586444A (en) * | 2019-07-26 | 2021-02-24 | Univ Southampton | An optoelectronic semiconductor device |
FR3100936B1 (fr) | 2019-09-12 | 2022-04-01 | Commissariat Energie Atomique | Circuit photonique à section active hybride III-V sur silicium à taper silicium inversé |
US20230009186A1 (en) * | 2019-12-17 | 2023-01-12 | Nippon Telegraph And Telephone Corporation | Optical Device |
US11631967B2 (en) * | 2020-01-15 | 2023-04-18 | Quintessent Inc. | System comprising an integrated waveguide-coupled optically active device and method of formation |
CN114678767A (zh) * | 2020-12-24 | 2022-06-28 | 住友电气工业株式会社 | 半导体光元件及其制造方法 |
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JP2022133127A (ja) * | 2021-03-01 | 2022-09-13 | 住友電気工業株式会社 | 半導体光素子およびその製造方法 |
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CN117334761A (zh) * | 2023-11-27 | 2024-01-02 | 之江实验室 | 一种反射型锗硅雪崩光电探测器 |
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US20080002929A1 (en) * | 2006-06-30 | 2008-01-03 | Bowers John E | Electrically pumped semiconductor evanescent laser |
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