JP6416462B2 - 波長可変レーザ装置 - Google Patents
波長可変レーザ装置 Download PDFInfo
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- JP6416462B2 JP6416462B2 JP2013124866A JP2013124866A JP6416462B2 JP 6416462 B2 JP6416462 B2 JP 6416462B2 JP 2013124866 A JP2013124866 A JP 2013124866A JP 2013124866 A JP2013124866 A JP 2013124866A JP 6416462 B2 JP6416462 B2 JP 6416462B2
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
- H01S5/0625—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in multi-section lasers
- H01S5/06255—Controlling the frequency of the radiation
- H01S5/06258—Controlling the frequency of the radiation with DFB-structure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/068—Stabilisation of laser output parameters
- H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
- H01S5/06837—Stabilising otherwise than by an applied electric field or current, e.g. by controlling the temperature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/068—Stabilisation of laser output parameters
- H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
- H01S5/0687—Stabilising the frequency of the laser
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/024—Arrangements for thermal management
- H01S5/02407—Active cooling, e.g. the laser temperature is controlled by a thermo-electric cooler or water cooling
- H01S5/02415—Active cooling, e.g. the laser temperature is controlled by a thermo-electric cooler or water cooling by using a thermo-electric cooler [TEC], e.g. Peltier element
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/028—Coatings ; Treatment of the laser facets, e.g. etching, passivation layers or reflecting layers
- H01S5/0287—Facet reflectivity
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/0617—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium using memorised or pre-programmed laser characteristics
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- 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
- H01S5/343—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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- 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
- H01S5/343—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
- H01S5/34346—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 characterised by the materials of the barrier layers
- H01S5/34373—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 characterised by the materials of the barrier layers based on InGa(Al)AsP
Description
2 下クラッド層
3 光導波層
4 上クラッド層
5 コンタクト層
6 絶縁膜
7 利得制御用電極
8 屈折率制御用電極
9 回折格子
31 利得領域
32 屈折率可変領域
41 コントローラ
42,50 温度制御装置
43,51 サーミスタ
44,45 ビームスプリッタ
46,47,52 受光素子
48 エタロン
49 メモリ
100 半導体レーザ
200 波長可変レーザ装置
Claims (1)
- 回折格子を有する波長選択手段と、前記波長選択手段に設けられ前記波長選択手段の屈折率を制御する制御電極と、前記制御電極と別の制御電極との間に利得を制御する利得電極と、を備える半導体レーザと、
前記半導体レーザを搭載し、前記半導体レーザの温度を制御する第1の温度制御装置と、
前記半導体レーザの出力波長を検知する検知手段と、
前記半導体レーザの出力光が光結合されるエタロンと、
前記エタロンを搭載し、前記エタロンの温度を制御する第2の温度制御装置と、
前記制御電極、前記別の制御電極、前記利得電極、前記第1の温度制御装置および前記第2の温度制御装置に所定の制御値を投入する第1ステップと、前記第1ステップの後、前記エタロンの透過光強度に対応した光強度を検知することで、前記半導体レーザの波長情報を取得し、前記波長情報に基づいて、前記第1の温度制御装置の温度を制御することで、前記波長選択手段の屈折率を制御する第2ステップとを実行するコントローラと、を備え、
前記第1ステップにおいて、前記コントローラは、前記半導体レーザの各波長チャネルに対応する前記第1の温度制御装置の初期設定値に基づいて前記第1の温度制御装置に前記制御値を投入し、
前記初期設定値は前記各波長チャネルにおいて同じである、波長可変レーザ装置。
Priority Applications (2)
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JP2013124866A JP6416462B2 (ja) | 2013-06-13 | 2013-06-13 | 波長可変レーザ装置 |
US14/303,357 US9281657B2 (en) | 2013-06-13 | 2014-06-12 | Apparatus for output light with wavelength tunable function and method to determine oscillation wavelength of wavelength tunable laser diode |
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JP2013124866A JP6416462B2 (ja) | 2013-06-13 | 2013-06-13 | 波長可変レーザ装置 |
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JP2015002210A JP2015002210A (ja) | 2015-01-05 |
JP2015002210A5 JP2015002210A5 (ja) | 2016-07-28 |
JP6416462B2 true JP6416462B2 (ja) | 2018-10-31 |
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JP2013124866A Active JP6416462B2 (ja) | 2013-06-13 | 2013-06-13 | 波長可変レーザ装置 |
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JP (1) | JP6416462B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6586028B2 (ja) * | 2016-02-16 | 2019-10-02 | 日本電信電話株式会社 | 半導体レーザ光源 |
JP6821901B2 (ja) | 2016-07-11 | 2021-01-27 | 住友電工デバイス・イノベーション株式会社 | 波長可変レーザの駆動条件設定方法及び波長可変レーザシステム |
JP7077525B2 (ja) * | 2016-12-28 | 2022-05-31 | 富士通オプティカルコンポーネンツ株式会社 | 波長可変光源、及びこれを用いた光トランシーバ |
JP7077527B2 (ja) * | 2017-02-24 | 2022-05-31 | 富士通オプティカルコンポーネンツ株式会社 | 波長可変光源、及び波長制御方法 |
Family Cites Families (14)
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US4485475A (en) * | 1983-05-27 | 1984-11-27 | The Mitre Corporation | Optical source peak wavelength control using a wavelength feedback network |
DE4396839T1 (de) * | 1992-12-18 | 1997-07-31 | Olympus Optical Co | Wellenlängenstabilisierende Vorrichtung |
JP3237733B2 (ja) | 1994-03-30 | 2001-12-10 | 日本電信電話株式会社 | 半導体レーザ |
JP2009088015A (ja) * | 2007-09-27 | 2009-04-23 | Sumitomo Electric Ind Ltd | 回折格子デバイス、半導体レーザおよび波長可変フィルタ |
US7929581B2 (en) * | 2007-12-28 | 2011-04-19 | Eudyna Devices Inc. | Testing method of wavelength-tunable laser, controlling method of wavelength-tunable laser and laser device |
JP2009182220A (ja) * | 2008-01-31 | 2009-08-13 | Opnext Japan Inc | 光伝送モジュール、波長モニタ、および波長ずれ検出方法 |
JP2011138855A (ja) * | 2009-12-28 | 2011-07-14 | Fujitsu Optical Components Ltd | 光送信モジュール及びその波長制御方法 |
JP5457873B2 (ja) * | 2010-02-18 | 2014-04-02 | 住友電工デバイス・イノベーション株式会社 | 波長可変レーザの制御方法 |
JP5499903B2 (ja) * | 2010-05-27 | 2014-05-21 | 住友電気工業株式会社 | 半導体レーザ |
JP5597029B2 (ja) * | 2010-05-27 | 2014-10-01 | 住友電気工業株式会社 | 波長可変半導体レーザ |
JP2012119482A (ja) * | 2010-11-30 | 2012-06-21 | Sumitomo Electric Ind Ltd | 波長可変レーザ装置およびその制御方法 |
US8380073B2 (en) * | 2011-05-24 | 2013-02-19 | Sumitomo Electric Industries, Ltd. | Optical transceiver implemented with tunable LD |
JP2013033892A (ja) * | 2011-06-29 | 2013-02-14 | Sumitomo Electric Ind Ltd | 半導体レーザおよびレーザ装置 |
US20130070795A1 (en) * | 2011-09-16 | 2013-03-21 | Sumitomo Electric Industries, Ltd. | Method to switch emission wavelength of tunable laser diode |
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2013
- 2013-06-13 JP JP2013124866A patent/JP6416462B2/ja active Active
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2014
- 2014-06-12 US US14/303,357 patent/US9281657B2/en active Active
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US20140369369A1 (en) | 2014-12-18 |
JP2015002210A (ja) | 2015-01-05 |
US9281657B2 (en) | 2016-03-08 |
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