JP6465822B2 - チューナブルレーザ、及びレーザをチューニングする方法 - Google Patents
チューナブルレーザ、及びレーザをチューニングする方法 Download PDFInfo
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- JP6465822B2 JP6465822B2 JP2016012298A JP2016012298A JP6465822B2 JP 6465822 B2 JP6465822 B2 JP 6465822B2 JP 2016012298 A JP2016012298 A JP 2016012298A JP 2016012298 A JP2016012298 A JP 2016012298A JP 6465822 B2 JP6465822 B2 JP 6465822B2
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
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- H01S3/105—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the mutual position or the reflecting properties of the reflectors of the cavity, e.g. by controlling the cavity length
- H01S3/1055—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the mutual position or the reflecting properties of the reflectors of the cavity, e.g. by controlling the cavity length one of the reflectors being constituted by a diffraction grating
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- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/0607—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying physical parameters other than the potential of the electrodes, e.g. by an electric or magnetic field, mechanical deformation, pressure, light, temperature
- H01S5/0612—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying physical parameters other than the potential of the electrodes, e.g. by an electric or magnetic field, mechanical deformation, pressure, light, temperature controlled by temperature
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- 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
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- H01S5/06256—Controlling the frequency of the radiation with DBR-structure
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- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/1003—Waveguide having a modified shape along the axis, e.g. branched, curved, tapered, voids
- H01S5/1007—Branched waveguides
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- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/1025—Extended cavities
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- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/1028—Coupling to elements in the cavity, e.g. coupling to waveguides adjacent the active region, e.g. forward coupled [DFC] structures
- H01S5/1032—Coupling to elements comprising an optical axis that is not aligned with the optical axis of the active region
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- H01S5/00—Semiconductor lasers
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
- H01S5/4031—Edge-emitting structures
- H01S5/4068—Edge-emitting structures with lateral coupling by axially offset or by merging waveguides, e.g. Y-couplers
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- H01S5/00—Semiconductor lasers
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
- H01S5/4031—Edge-emitting structures
- H01S5/4062—Edge-emitting structures with an external cavity or using internal filters, e.g. Talbot filters
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Description
Claims (13)
- 半導体層と、
前記半導体層の頂面の少なくとも一部を覆う活性層と、
前記活性層の頂面の一部分上に配置された第1の導波路であり、下に位置する前記活性層の前記部分とともにレーザ信号を生成するとともに、当該第1の導波路の第1のカップリング部へと前記レーザ信号を導くように構成された第1の導波路と、
前記半導体層の中に埋め込まれた第2の導波路であり、第2のカップリング部と前記レーザ信号の波長を調節するチューニング部とを有する第2の導波路と
を有し、
前記第1のカップリング部及び前記第2のカップリング部は、前記半導体層及び前記活性層を介して前記第1の導波路と前記第2の導波路との間で前記レーザ信号を結合させるように構成されている、
チューナブルレーザ。 - 前記レーザ信号の波長を熱的に調節するために前記チューニング部を加熱する加熱素子、を更に有する請求項1に記載のチューナブルレーザ。
- 前記第1のカップリング部と前記第2のカップリング部とが平行に配置されている、請求項1又は2に記載のチューナブルレーザ。
- 前記第1のカップリング部は少なくとも部分的に前記第2のカップリング部の上に位置している、請求項1乃至3の何れか一項に記載のチューナブルレーザ。
- 前記第1のカップリング部又は前記第2のカップリング部は、幅が先細にされた部分を有する、請求項1乃至4の何れか一項に記載のチューナブルレーザ。
- 前記第1の導波路はリッジ導波路である、請求項1乃至5の何れか一項に記載のチューナブルレーザ。
- 当該チューナブルレーザは更に、前記第1の導波路を形成する第1の半導体層と、前記第2の導波路を形成する第2の半導体層とを有し、前記第1の導波路を前記第2の導波路から離隔する前記半導体層は、前記第1の半導体層と前記第2の半導体層とを支持する半導体基板層である、請求項1乃至6の何れか一項に記載のチューナブルレーザ。
- 前記第2の導波路は、第1のアーム及び第2のアームを有するY字形状の形態を有し、前記第2のカップリング部は、前記Y字形状の第2の導波路の基部の少なくとも一部を形成し、前記第1のアーム及び前記第2のアームは、前記Y字形状の第2の導波路のそれぞれのアーム部を形成している、請求項1乃至7の何れか一項に記載のチューナブルレーザ。
- 前記第1のアームは第1の波長選択素子を有し、前記第2のアームは第2の波長選択素子を有し、前記第1の波長選択素子は、櫛形スペクトルを持つ第1の反射レーザ信号を供するように構成され、前記第2の波長選択素子は、櫛形スペクトルを持つ第2の反射レーザ信号を供するように構成され、前記第1の反射レーザ信号の前記櫛形スペクトルの連続したピーク間の間隔は、前記第2の反射レーザ信号の前記櫛形スペクトルの連続したピーク間の間隔とは異なる、請求項8に記載のチューナブルレーザ。
- 前記第1の波長選択素子又は前記第2の波長選択素子は、サンプリングされた格子型の分布ブラッグ反射器又は超構造格子型の分布ブラッグ反射器として形成されている、請求項9に記載のチューナブルレーザ。
- 前記第2の導波路は更に、前記第1の反射レーザ信号の第1の位相を、前記第2の反射レーザ信号の第2の位相と揃える位相調節器を有する、請求項9又は10に記載のチューナブルレーザ。
- 前記第2の導波路の前記第1のアームと前記第2のアームとの間に熱絶縁を提供するように、前記第1の導波路を前記第2の導波路から離隔する前記半導体層内に設けられた断熱溝、を有する請求項8乃至11の何れか一項に記載のチューナブルレーザ。
- レーザをチューニングする方法であって、
活性層の頂面の一部分上に配置された第1の導波路によって、レーザ信号を生成するステップであり、前記活性層は、半導体層の頂面の少なくとも一部を覆っている、ステップと、
前記第1の導波路によって、前記第1の導波路の第1のカップリング部へと前記レーザ信号を導くステップと、
前記第1の導波路の前記第1のカップリング部から、前記半導体層に埋め込まれた第2の導波路の第2のカップリング部へと、前記半導体層及び前記活性層を介して、前記レーザ信号を光カップリングするステップと、
前記第2の導波路によって、前記第2の導波路のチューニング部へと前記レーザ信号を導くステップと、
前記第2の導波路の前記チューニング部によって、前記レーザ信号の波長を調節するステップと、
を有する方法。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP15152631.6A EP3051638A1 (en) | 2015-01-27 | 2015-01-27 | Tunable laser and method of tuning a laser |
| EP15152631.6 | 2015-01-27 |
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| JP2016146473A JP2016146473A (ja) | 2016-08-12 |
| JP6465822B2 true JP6465822B2 (ja) | 2019-02-06 |
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| Country | Link |
|---|---|
| US (1) | US9570886B2 (ja) |
| EP (1) | EP3051638A1 (ja) |
| JP (1) | JP6465822B2 (ja) |
| CN (1) | CN105826812B (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP3327881A1 (en) * | 2016-11-24 | 2018-05-30 | Alcatel Lucent | Reliable optoelectrinic devices |
| CN110249245B (zh) * | 2017-02-07 | 2021-02-19 | 古河电气工业株式会社 | 光波导构造 |
| CN107623248A (zh) * | 2017-07-25 | 2018-01-23 | 昂纳信息技术(深圳)有限公司 | 一种阵列式激光器的封装方法和阵列式激光器 |
| US10340661B2 (en) * | 2017-11-01 | 2019-07-02 | International Business Machines Corporation | Electro-optical device with lateral current injection regions |
| WO2019099945A1 (en) * | 2017-11-16 | 2019-05-23 | Murat Okandan | Microsystems and semiconductor hybrid coherent light sources |
| JP7322646B2 (ja) * | 2019-10-01 | 2023-08-08 | 住友電気工業株式会社 | 波長可変レーザ素子およびその製造方法 |
| CN111326950B (zh) * | 2020-03-03 | 2021-06-08 | 中国科学院半导体研究所 | 基于电极光栅的双波长可调谐半导体激光器 |
| US20230216271A1 (en) * | 2021-12-30 | 2023-07-06 | Openlight Photonics, Inc. | Silicon photonic symmetric distributed feedback laser |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58114476A (ja) * | 1981-12-28 | 1983-07-07 | Kokusai Denshin Denwa Co Ltd <Kdd> | 半導体レ−ザ |
| BE1007282A3 (nl) | 1993-07-12 | 1995-05-09 | Philips Electronics Nv | Opto-electronische halfgeleiderinrichting met een array van halfgeleiderdiodelasers en werkwijze ter vervaardiging daarvan. |
| US6795622B2 (en) * | 1998-06-24 | 2004-09-21 | The Trustess Of Princeton University | Photonic integrated circuits |
| US6381380B1 (en) * | 1998-06-24 | 2002-04-30 | The Trustees Of Princeton University | Twin waveguide based design for photonic integrated circuits |
| JP4690521B2 (ja) * | 1999-05-17 | 2011-06-01 | アイメック | 広い範囲の波長で同調可能な集積化された半導体装置及び広い範囲の波長で同調可能な半導体装置のための方法 |
| EP1058358B1 (en) | 1999-05-17 | 2008-10-29 | Interuniversitair Micro-Elektronica Centrum | Tunable integrated semiconductor laser apparatus |
| US6728279B1 (en) | 1999-05-17 | 2004-04-27 | Interuniversitair Microelektronica Centrum | Widely wavelength tunable integrated semiconductor device and method for widely tuning semiconductor devices |
| US6483863B2 (en) * | 2001-01-19 | 2002-11-19 | The Trustees Of Princeton University | Asymmetric waveguide electroabsorption-modulated laser |
| US8040933B2 (en) | 2008-03-10 | 2011-10-18 | Sumitomo Electric Industries, Ltd. | Diffraction grating device, laser diode, and wavelength tunable filter |
| US7995625B2 (en) | 2008-12-08 | 2011-08-09 | Electronics And Telecommunications Research Institute | Resonator of hybrid laser diode |
| WO2011046898A1 (en) * | 2009-10-13 | 2011-04-21 | Skorpios Technologies, Inc. | Method and system for hybrid integration of a tunable laser |
| US20120189025A1 (en) * | 2010-11-23 | 2012-07-26 | Oracle International Corporation | Monolithic laser source using ring-resonator reflectors |
| JP5888883B2 (ja) | 2011-06-15 | 2016-03-22 | 日本オクラロ株式会社 | スポットサイズ変換器、半導体光素子、及びそれらの製造方法 |
| EP2544319B1 (en) * | 2011-07-08 | 2015-03-25 | Alcatel Lucent | Laser source for photonic integrated devices |
| GB2492996B (en) * | 2011-07-19 | 2018-01-10 | Huawei Tech Co Ltd | Coupled waveguide apparatus and structures therefor |
| JP2013165288A (ja) * | 2013-04-19 | 2013-08-22 | Nippon Telegr & Teleph Corp <Ntt> | 光半導体装置 |
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2015
- 2015-01-27 EP EP15152631.6A patent/EP3051638A1/en not_active Ceased
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2016
- 2016-01-12 CN CN201610019608.8A patent/CN105826812B/zh active Active
- 2016-01-25 US US15/005,549 patent/US9570886B2/en active Active
- 2016-01-26 JP JP2016012298A patent/JP6465822B2/ja active Active
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| CN105826812B (zh) | 2020-04-21 |
| US20160218484A1 (en) | 2016-07-28 |
| EP3051638A1 (en) | 2016-08-03 |
| CN105826812A (zh) | 2016-08-03 |
| JP2016146473A (ja) | 2016-08-12 |
| US9570886B2 (en) | 2017-02-14 |
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