JP6285659B2 - 波長可変光源 - Google Patents
波長可変光源 Download PDFInfo
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- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/106—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity
- H01S3/1062—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity using a controlled passive interferometer, e.g. a Fabry-Perot etalon
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- G—PHYSICS
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- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
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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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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
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- H01S3/08022—Longitudinal modes
- H01S3/08027—Longitudinal modes by a filter, e.g. a Fabry-Perot filter is used for wavelength setting
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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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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/081—Construction or shape of optical resonators or components thereof comprising three or more reflectors
- H01S3/082—Construction or shape of optical resonators or components thereof comprising three or more reflectors defining a plurality of resonators, e.g. for mode selection or suppression
- H01S3/0823—Construction or shape of optical resonators or components thereof comprising three or more reflectors defining a plurality of resonators, e.g. for mode selection or suppression incorporating a dispersive element, e.g. a prism for wavelength selection
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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
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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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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
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- H—ELECTRICITY
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- 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
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- 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
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- H—ELECTRICITY
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- 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
- H01S5/022—Mountings; Housings
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- H01S5/02253—Out-coupling of light using lenses
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- H—ELECTRICITY
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- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
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- H01S5/023—Mount members, e.g. sub-mount members
- H01S5/02325—Mechanically integrated components on mount members or optical micro-benches
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- H—ELECTRICITY
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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
- H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
- H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
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- Spectroscopy & Molecular Physics (AREA)
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- Condensed Matter Physics & Semiconductors (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
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- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Spectrometry And Color Measurement (AREA)
- Semiconductor Lasers (AREA)
Description
<波長可変光源の基本構成>
まず、波長可変光源の基本構成について説明する。図1に示されるように、波長可変光源1Aは、レーザ発振型の波長可変レーザ光源である。波長可変光源1Aから出射される出射光Loutは所定の波長帯域BLと所定の波長間隔Δλとを有している。波長可変光源1Aは、第1光共振器R1、第2光共振器R2、第3光共振器R3及び光制御器Cを備えている。
次に、上述した波長可変光源1Aを実現する具体的構成について説明する。波長可変光源1Aの製造には、MEMS技術である表面マイクロマシニングが用いられる。表面マイクロマシニングによれば、波長可変光源1Aを小型で且つ、安価に製造することができる。
第2実施形態に係る波長可変光源について説明する。図14〜図16に示されるように、第2実施形態に係る波長可変光源1Cは、波長可変光源1Aの基本構成に基づいて動作するものであり、以下、波長可変光源1Cの具体的構成について説明する。波長可変光源1Cは、シリコン深堀エッチング技術やアルカリエッチング技術を利用したバルクマイクロマシニングにより製造される点で、波長可変光源1Bと相違する。
Claims (6)
- 第1波長帯域を有する第1光を増幅する第1レーザ媒質と、
前記第1レーザ媒質と光共振器を構成する第1全反射ミラー及び第1部分反射ミラーと、
第2波長帯域を有する第2光を増幅する第2レーザ媒質と、
前記第2レーザ媒質と光共振器を構成する第2全反射ミラー及び第2部分反射ミラーと、
一対の第1ミラーを有し、前記第1光の第1光路上における前記第1レーザ媒質と前記第1部分反射ミラーとの間の位置であり且つ前記第2光の第2光路上における前記第2レーザ媒質と前記第2部分反射ミラーとの間の位置である第1位置において、前記第1光及び前記第2光に含まれる特定波長の光を選択的に透過及び反射させて前記第1部分反射ミラー及び/又は前記第2部分反射ミラーに導く第1ファブリペロ干渉フィルタと、
一対の第2ミラーを有し、前記第1光路上における前記第1レーザ媒質と前記第1ファブリペロ干渉フィルタとの間の位置であり且つ前記第2光路上における前記第2レーザ媒質と前記第1ファブリペロ干渉フィルタとの間の位置である第2位置において、前記第1光及び前記第2光を選択的に透過及び反射させる第2ファブリペロ干渉フィルタと、
前記第1ファブリペロ干渉フィルタの一方の前記第1ミラー及び前記第2ファブリペロ干渉フィルタの一方の前記第2ミラーを連動して動作させる第1駆動機構と、
前記第2ファブリペロ干渉フィルタの他方の前記第2ミラーを動作させる第2駆動機構と、
を備える、波長可変光源。 - 一対の前記第1ミラー間の第1ギャップ及び一対の前記第2ミラー間の第2ギャップが周期的に変化するように、前記第1駆動機構を制御する制御部を更に備える、請求項1記載の波長可変光源。
- 前記制御部は、前記第1駆動機構の共振周波数で一方の前記第1ミラー及び一方の前記第2ミラーを往復動作させる、請求項2記載の波長可変光源。
- 前記制御部は、前記第2ミラーの状態が、前記第2ギャップが前記第1ギャップと異なる第1状態と、前記第2ギャップが前記第1ギャップと等しい第2状態と、に切り替わるように、前記第2駆動機構を制御する請求項2又は3記載の波長可変光源。
- 前記第1ファブリペロ干渉フィルタ、前記第2ファブリペロ干渉フィルタ、前記第1駆動機構、及び前記第2駆動機構は、同一の半導体基板に形成されている、請求項1〜4のいずれか一項記載の波長可変光源。
- 前記第1光路上における前記第1レーザ媒質と前記第2ファブリペロ干渉フィルタとの間の位置において、前記第1光をコリメートする第1光学部品と、
前記第2光路上における前記第2レーザ媒質と前記第2ファブリペロ干渉フィルタとの間の位置において、前記第2光をコリメートする第2光学部品と、
を更に備える、請求項1〜5のいずれか一項記載の波長可変光源。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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JP2013162445A JP6285659B2 (ja) | 2013-08-05 | 2013-08-05 | 波長可変光源 |
KR1020167001016A KR102139845B1 (ko) | 2013-08-05 | 2014-06-26 | 파장 가변 광원 |
EP14834186.0A EP3032662B1 (en) | 2013-08-05 | 2014-06-26 | Variable-wavelength light source |
PCT/JP2014/067056 WO2015019739A1 (ja) | 2013-08-05 | 2014-06-26 | 波長可変光源 |
US14/909,767 US9577402B2 (en) | 2013-08-05 | 2014-06-26 | Variable-wavelength light source |
CN201480044218.5A CN105453351B (zh) | 2013-08-05 | 2014-06-26 | 波长可变光源 |
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JP2013162445A JP6285659B2 (ja) | 2013-08-05 | 2013-08-05 | 波長可変光源 |
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JP6285659B2 true JP6285659B2 (ja) | 2018-02-28 |
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EP (1) | EP3032662B1 (ja) |
JP (1) | JP6285659B2 (ja) |
KR (1) | KR102139845B1 (ja) |
CN (1) | CN105453351B (ja) |
WO (1) | WO2015019739A1 (ja) |
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JP6943452B2 (ja) * | 2016-06-15 | 2021-09-29 | シーウェア システムズSi−Ware Systems | 一体型スペクトルユニット |
WO2019009391A1 (ja) | 2017-07-06 | 2019-01-10 | 浜松ホトニクス株式会社 | 光モジュール |
JP7537386B2 (ja) | 2021-07-06 | 2024-08-21 | 横河電機株式会社 | 光共振器及び面発光レーザー |
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JPH02152288A (ja) * | 1988-12-05 | 1990-06-12 | Hitachi Ltd | レーザ光の波長制御方法とそれを用いたエキシマレーザ装置および露光装置 |
JP3450180B2 (ja) | 1998-04-20 | 2003-09-22 | 日本電気株式会社 | 波長可変レーザー |
JP2000028931A (ja) * | 1998-07-09 | 2000-01-28 | Tdk Corp | 多波長フィルタアレイ |
CN1316696C (zh) * | 2001-03-16 | 2007-05-16 | 英特尔公司 | 可调外腔激光器 |
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2013
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- 2014-06-26 WO PCT/JP2014/067056 patent/WO2015019739A1/ja active Application Filing
- 2014-06-26 US US14/909,767 patent/US9577402B2/en active Active
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KR20160040518A (ko) | 2016-04-14 |
EP3032662B1 (en) | 2020-09-16 |
EP3032662A4 (en) | 2017-04-12 |
US20160190765A1 (en) | 2016-06-30 |
CN105453351B (zh) | 2019-03-29 |
KR102139845B1 (ko) | 2020-07-30 |
CN105453351A (zh) | 2016-03-30 |
WO2015019739A1 (ja) | 2015-02-12 |
JP2015032739A (ja) | 2015-02-16 |
EP3032662A1 (en) | 2016-06-15 |
US9577402B2 (en) | 2017-02-21 |
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