JP2018046210A - 光半導体装置及び光半導体装置の制御方法 - Google Patents
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Abstract
【解決手段】筐体10内に設けられたペルチェ素子12と、ペルチェ素子12上に設けられ、変調信号光を出力する半導体レーザ20と、筐体10内に設けられ、半導体レーザ20からの変調信号光を増幅する半導体光増幅器21と、を備える光半導体装置。
【選択図】図6
Description
最初に、本願発明の実施形態の内容を列記して説明する。
本願発明は、筐体内に設けられた第1温度制御装置と、前記第1温度制御装置上に設けられ、変調信号光を出力する半導体レーザと、前記筐体内に設けられ、前記半導体レーザからの前記変調信号光を増幅する半導体光増幅器と、を備える光半導体装置である。これによれば、第1温度制御装置によって半導体レーザの温度を調整した場合でも、半導体光増幅器は第1温度制御装置の温度の影響を受け難くなる。このため、半導体光増幅器に大きな駆動電流を供給せずとも、半導体光増幅器の温度を駆動電流によって効率的に高くすることができる。よって、半導体光増幅器の信頼性を確保しつつ、半導体光増幅器から出力される信号光の光波形に歪が生じることを抑制できる。
本願発明の実施形態に係る光半導体装置及び半導体レーザの具体例を、以下に図面を参照しつつ説明する。なお、本願発明はこれらの例示に限定されるものではなく、特許請求の範囲によって示され、特許請求の範囲と均等の意味及び範囲内での全ての変更が含まれることが意図される。また、本願発明の効果がある限りにおいて他の成分が含まれていてもよい。
11 レセプタクル
12、13 TEC
14、15 キャリア
16、17 サーミスタ
18 コントローラ
20 半導体レーザ
21 SOA
22 PD
23 レンズ
24〜26 電極
28 キャパシタ
29 DC電源パッド
30 信号配線パターン
31 配線基板
32 信号パッド
33 電極
34 パッド
40 半導体基板
41 活性層
42 光吸収層
43 上部クラッド層
44 コルゲーション
45 電極
46 端面膜
47 活性層
48、49 光導波層
50 半導体基板
51 活性層
52 上部クラッド層
53 電極
54 端面膜
60〜60b 半導体レーザ素子
61 利得領域
62 変調領域
63 増幅領域
64 光導波領域
70 ヒータ
100〜600、1100、1200 光半導体装置
1000 光増幅システム
Claims (6)
- 筐体内に設けられた第1温度制御装置と、
前記第1温度制御装置上に設けられ、変調信号光を出力する半導体レーザと、
前記筐体内に設けられ、前記半導体レーザからの前記変調信号光を増幅する半導体光増幅器と、を備える光半導体装置。 - 前記第1温度制御装置とは異なる第2温度制御装置を備え、
前記半導体光増幅器は、前記第2温度制御装置上に設けられている、請求項1に記載の光半導体装置。 - 前記第1温度制御装置及び前記第2温度制御装置の温度を制御するコントローラを備え、
前記コントローラは、前記半導体光増幅器の温度が前記半導体レーザの温度よりも高くなるように前記第1温度制御装置及び前記第2温度制御装置の温度を制御する、請求項2に記載の光半導体装置。 - 半導体基板上に設けられ、信号光を出力する半導体レーザと、前記半導体基板上に設けられ、前記信号光を増幅する半導体光増幅器と、前記半導体基板上に設けられ、前記半導体光増幅器を加熱するヒータと、を集積する、半導体レーザ素子と、
筐体内に設けられ、前記半導体レーザ素子を搭載する第1温度制御装置と、を備える光半導体装置。 - 半導体レーザと半導体光増幅器が同一筐体内に設けられる光半導体装置の制御方法において、
前記半導体光増幅器の温度と前記半導体レーザの温度を異ならせる制御をする、光半導体装置の制御方法。 - 前記半導体光増幅器の温度が前記半導体レーザの温度よりも高くなるように制御する、請求項5に記載の光半導体装置の制御方法。
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US15/704,476 US10148061B2 (en) | 2016-09-15 | 2017-09-14 | Optical amplifying system and method of controlling the same |
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WO2010038262A1 (ja) * | 2008-10-03 | 2010-04-08 | 富士通株式会社 | 光増幅制御装置、半導体光増幅器の制御方法、及び光伝送装置 |
JP2013118315A (ja) * | 2011-12-05 | 2013-06-13 | Furukawa Electric Co Ltd:The | 半導体レーザ装置および半導体レーザモジュール |
JP2013149949A (ja) * | 2011-12-21 | 2013-08-01 | Sumitomo Electric Device Innovations Inc | 半導体光増幅器の制御方法及び測定方法、並びに半導体光増幅装置 |
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JPH10209542A (ja) | 1997-01-27 | 1998-08-07 | Sumitomo Electric Ind Ltd | 光増幅方法及び光増幅システム |
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JP5730469B2 (ja) * | 2009-03-27 | 2015-06-10 | 古河電気工業株式会社 | 波長可変光源装置 |
JP5461046B2 (ja) | 2009-03-31 | 2014-04-02 | 住友電工デバイス・イノベーション株式会社 | 光半導体装置 |
JP5556137B2 (ja) * | 2009-11-18 | 2014-07-23 | 住友電気工業株式会社 | 半導体レーザ装置 |
JP5180250B2 (ja) * | 2010-03-18 | 2013-04-10 | 株式会社Qdレーザ | レーザシステム |
JP5853599B2 (ja) * | 2011-11-01 | 2016-02-09 | 富士通株式会社 | 発光装置及びその制御方法 |
US9001852B1 (en) * | 2013-09-10 | 2015-04-07 | Google Inc. | Wavelength tunable laser |
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WO2010038262A1 (ja) * | 2008-10-03 | 2010-04-08 | 富士通株式会社 | 光増幅制御装置、半導体光増幅器の制御方法、及び光伝送装置 |
JP2013118315A (ja) * | 2011-12-05 | 2013-06-13 | Furukawa Electric Co Ltd:The | 半導体レーザ装置および半導体レーザモジュール |
JP2013149949A (ja) * | 2011-12-21 | 2013-08-01 | Sumitomo Electric Device Innovations Inc | 半導体光増幅器の制御方法及び測定方法、並びに半導体光増幅装置 |
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