JP6961185B1 - 光コム発生器制御装置 - Google Patents
光コム発生器制御装置 Download PDFInfo
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- JP6961185B1 JP6961185B1 JP2021074337A JP2021074337A JP6961185B1 JP 6961185 B1 JP6961185 B1 JP 6961185B1 JP 2021074337 A JP2021074337 A JP 2021074337A JP 2021074337 A JP2021074337 A JP 2021074337A JP 6961185 B1 JP6961185 B1 JP 6961185B1
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- 230000003287 optical effect Effects 0.000 title claims abstract description 527
- 238000001514 detection method Methods 0.000 claims abstract description 33
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- 238000010586 diagram Methods 0.000 abstract description 29
- 238000000034 method Methods 0.000 abstract description 10
- 238000005259 measurement Methods 0.000 description 51
- 238000002789 length control Methods 0.000 description 11
- 230000010287 polarization Effects 0.000 description 11
- 230000007704 transition Effects 0.000 description 11
- 210000001520 comb Anatomy 0.000 description 10
- 238000001228 spectrum Methods 0.000 description 9
- 230000008859 change Effects 0.000 description 6
- 238000002955 isolation Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 4
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/0121—Operation of devices; Circuit arrangements, not otherwise provided for in this subclass
- G02F1/0123—Circuits for the control or stabilisation of the bias voltage, e.g. automatic bias control [ABC] feedback loops
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/21—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour by interference
- G02F1/225—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour by interference in an optical waveguide structure
- G02F1/2255—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour by interference in an optical waveguide structure controlled by a high-frequency electromagnetic component in an electric waveguide structure
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/0121—Operation of devices; Circuit arrangements, not otherwise provided for in this subclass
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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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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2203/00—Function characteristic
- G02F2203/05—Function characteristic wavelength dependent
- G02F2203/055—Function characteristic wavelength dependent wavelength filtering
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2203/00—Function characteristic
- G02F2203/13—Function characteristic involving THZ radiation
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2203/00—Function characteristic
- G02F2203/15—Function characteristic involving resonance effects, e.g. resonantly enhanced interaction
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2203/00—Function characteristic
- G02F2203/56—Frequency comb synthesizer
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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
- H01S5/005—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Abstract
Description
124 加算器
Claims (7)
- 入射光の光変調を行う光変調器を光共振器内に備える光コム発生器の制御装置であって、
上記光共振器から透過光又は反射光として出射される光コムのキャリア周波数成分を減衰させる光フィルタと、
上記光コムから上記光フィルタを介して抽出された光周波数成分を受光して光強度を検出する光検出器と、
上記光検出器の検出信号が供給される共振制御部とを備え、
上記光フィルタによりキャリア周波数成分が減衰された上記光コムの光強度を上記光検出器により検出して、上記光共振器の光共振長又は上記入射光の光源周波数を上記光共振制御部により帰還制御することを特徴とする光コム発生器制御装置。 - 上記光検出器の検出信号の信号レベルのボトム位置を弁別するボトム位置弁別器を備え、
上記共振制御部は、上記ボトム位置弁別器による弁別出力に基づいて、上記光検出器の検出信号の信号レベルのボトム位置を基準にした安定点とする帰還制御を行うことを特徴とする請求項1に記載の光コム発生器制御装置。 - 変調周波数の異なる複数の変調信号が切り替えられて上記光変調器に供給されることを特徴とする請求項1又は請求項2に記載の光コム発生器制御装置。
- 上記光フィルタは、上記光コムのキャリア周波数成分を減衰させるノッチフィルタであることを特徴とする請求項1乃至請求項3の何れか1項に記載の光コム発生器制御装置。
- 上記光フィルタは、上記光コムのキャリア周波数近傍に遮断周波数を有するハイパスフィルタであることを特徴とする請求項1乃至請求項3の何れか1項に記載の光コム発生器制御装置。
- 上記光フィルタは、上記光コムのキャリア周波数成分近傍に遮断周波数を有するローパスフィルタであることを特徴とする請求項1乃至請求項3の何れか1項に記載の光コム発生器制御装置。
- 上記光フィルタは、上記光コムのキャリア周波数成分近傍に一方の遮断周波数を有するバンドパスフィルタであることを特徴とする請求項1乃至請求項3の何れか1項に記載の光コム発生器制御装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021074337A JP6961185B1 (ja) | 2021-04-26 | 2021-04-26 | 光コム発生器制御装置 |
EP21939373.3A EP4332667A1 (en) | 2021-04-26 | 2021-10-18 | Optical frequency comb generator control device |
PCT/JP2021/038411 WO2022230217A1 (ja) | 2021-04-26 | 2021-10-18 | 光コム発生器制御装置 |
CN202180097491.4A CN117280272A (zh) | 2021-04-26 | 2021-10-18 | 光梳产生器控制装置 |
US18/557,242 US20240219802A1 (en) | 2021-04-06 | 2021-10-18 | Optical Frequency Comb Generator Control Device |
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JP2021074337A JP6961185B1 (ja) | 2021-04-26 | 2021-04-26 | 光コム発生器制御装置 |
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JP6961185B1 true JP6961185B1 (ja) | 2021-11-05 |
JP2022168693A JP2022168693A (ja) | 2022-11-08 |
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US (1) | US20240219802A1 (ja) |
EP (1) | EP4332667A1 (ja) |
JP (1) | JP6961185B1 (ja) |
CN (1) | CN117280272A (ja) |
WO (1) | WO2022230217A1 (ja) |
Families Citing this family (1)
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GB2620730A (en) * | 2022-07-11 | 2024-01-24 | Orca Computing Ltd | Single-photon emitter using frequency comb |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05268162A (ja) * | 1992-03-19 | 1993-10-15 | Fujitsu Ltd | 光干渉器の動作点安定化装置 |
US6201638B1 (en) * | 1998-01-23 | 2001-03-13 | University Technology Corporation | Comb generating optical cavity that includes an optical amplifier and an optical modulator |
JP2006039426A (ja) * | 2004-07-29 | 2006-02-09 | Optical Comb Institute Inc | 光周波数コム発生器制御装置 |
JP2006337832A (ja) * | 2005-06-03 | 2006-12-14 | Optical Comb Institute Inc | 光周波数コム発生方法及び光周波数コム発生装置 |
US20140185635A1 (en) * | 2011-09-14 | 2014-07-03 | Jonathan A. COX | Methods and apparatus for broadband frequency comb stabilization |
WO2018181213A1 (ja) * | 2017-03-29 | 2018-10-04 | 国立研究開発法人産業技術総合研究所 | 光周波数コム発生装置 |
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JP3996815B2 (ja) * | 2002-08-21 | 2007-10-24 | 日本電信電話株式会社 | 光周波数シンセサイザ |
JP5231883B2 (ja) | 2008-07-03 | 2013-07-10 | 株式会社 光コム | 距離計及び距離測定方法並びに光学的三次元形状測定機 |
JP7152748B2 (ja) | 2018-07-13 | 2022-10-13 | 株式会社Xtia | 距離計及び距離測定方法並びに光学的三次元形状測定機 |
JP7418183B2 (ja) | 2019-11-11 | 2024-01-19 | マニー株式会社 | 歯科用ファイル及び歯科用ファイルの製造方法 |
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- 2021-04-26 JP JP2021074337A patent/JP6961185B1/ja active Active
- 2021-10-18 CN CN202180097491.4A patent/CN117280272A/zh active Pending
- 2021-10-18 US US18/557,242 patent/US20240219802A1/en active Pending
- 2021-10-18 WO PCT/JP2021/038411 patent/WO2022230217A1/ja active Application Filing
- 2021-10-18 EP EP21939373.3A patent/EP4332667A1/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05268162A (ja) * | 1992-03-19 | 1993-10-15 | Fujitsu Ltd | 光干渉器の動作点安定化装置 |
US6201638B1 (en) * | 1998-01-23 | 2001-03-13 | University Technology Corporation | Comb generating optical cavity that includes an optical amplifier and an optical modulator |
JP2006039426A (ja) * | 2004-07-29 | 2006-02-09 | Optical Comb Institute Inc | 光周波数コム発生器制御装置 |
JP2006337832A (ja) * | 2005-06-03 | 2006-12-14 | Optical Comb Institute Inc | 光周波数コム発生方法及び光周波数コム発生装置 |
US20140185635A1 (en) * | 2011-09-14 | 2014-07-03 | Jonathan A. COX | Methods and apparatus for broadband frequency comb stabilization |
WO2018181213A1 (ja) * | 2017-03-29 | 2018-10-04 | 国立研究開発法人産業技術総合研究所 | 光周波数コム発生装置 |
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Publication number | Publication date |
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CN117280272A (zh) | 2023-12-22 |
EP4332667A1 (en) | 2024-03-06 |
US20240219802A1 (en) | 2024-07-04 |
WO2022230217A1 (ja) | 2022-11-03 |
JP2022168693A (ja) | 2022-11-08 |
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