JP7364934B2 - 1×n光スイッチ - Google Patents
1×n光スイッチ Download PDFInfo
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- JP7364934B2 JP7364934B2 JP2021552076A JP2021552076A JP7364934B2 JP 7364934 B2 JP7364934 B2 JP 7364934B2 JP 2021552076 A JP2021552076 A JP 2021552076A JP 2021552076 A JP2021552076 A JP 2021552076A JP 7364934 B2 JP7364934 B2 JP 7364934B2
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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
- G02F1/29—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 position or the direction of light beams, i.e. deflection
- G02F1/31—Digital deflection, i.e. optical switching
- G02F1/313—Digital deflection, i.e. optical switching in an optical waveguide structure
- G02F1/3136—Digital deflection, i.e. optical switching in an optical waveguide structure of interferometric switch type
-
- 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
- G02F1/29—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 position or the direction of light beams, i.e. deflection
- G02F1/31—Digital deflection, i.e. optical switching
- G02F1/313—Digital deflection, i.e. optical switching in an optical waveguide structure
- G02F1/3137—Digital deflection, i.e. optical switching in an optical waveguide structure with intersecting or branching waveguides, e.g. X-switches and Y-junctions
- G02F1/3138—Digital deflection, i.e. optical switching in an optical waveguide structure with intersecting or branching waveguides, e.g. X-switches and Y-junctions the optical waveguides being made of semiconducting materials
-
- 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
- G02F1/03—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 based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
- G02F1/035—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 based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect in an optical waveguide structure
-
- 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
- G02F1/212—Mach-Zehnder type
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optical Integrated Circuits (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Description
図10に、本発明の実施例に係る光スイッチとその駆動回路の例を示す。
Claims (7)
- 光スイッチに対して、前記光スイッチの駆動回路を前記光スイッチの制御電極の近傍に集積された構造を有する1×N光スイッチであって、
前記光スイッチは、複数の2×2光スイッチとN個の光ゲートとを備え、
前記2×2光スイッチと前記光ゲートとに異なるバイアス電圧(Vb)を設定し、
前記駆動回路の2×2光スイッチ用のドライバと光ゲート用のドライバとが、前記2×2光スイッチと前記光ゲートとが排他的に動作するように構成された同一の回路を共有していることを特徴とする1×N光スイッチ。 - 請求項1に記載の光スイッチにおいて、
前記2×2光スイッチには、マッハツェンダ干渉計(MZI)が用いられ、
前記MZIの2本の導波路のそれぞれに電圧あるいは電流を付与するための電極を備えた複数の2×2MZIを多段に配設した構造を有し、前段の2×2MZIの2つの出力ポートのそれぞれに対して、後段の2×2MZIの2つの入力ポートの一方がツリー状に接続された構造を特徴とする1×N光スイッチ。 - 請求項1又は2に記載の光スイッチにおいて、
前記光ゲートは電界吸収型の光ゲートであることを特徴とする1×N光スイッチ。 - 請求項1乃至3いずれか一項に記載の光スイッチにおいて、
前記光スイッチと前記駆動回路が同一基板上に集積されていることを特徴とする1×N光スイッチ。 - 請求項1乃至4いずれか一項に記載の光スイッチにおいて、
前記光スイッチと前記駆動回路がフリップチップ実装によって集積されていることを特徴とする1×N光スイッチ。 - 請求項1乃至5いずれか一項に記載の光スイッチにおいて、さらに、
前記駆動回路と接続する分布定数線路と、
前記分布定数線路と接続するFPGAと、
を備え、
前記駆動回路に入力される前記光スイッチの制御信号として、FPGAからのLVDS信号を用いるように構成されていることを特徴とする1×N光スイッチ。 - 請求項1乃至5いずれか一項に記載の光スイッチにおいて、
FPGAからのLVDS信号を終端する終端回路と、ハイメサ導波路構造を有するトランジスタとを用いた前記駆動回路とにより、前記2×2光スイッチ及び前記光ゲートを駆動するように構成されていることを特徴とする1×N光スイッチ。
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PCT/JP2019/041104 WO2021075047A1 (ja) | 2019-10-18 | 2019-10-18 | 1×n光スイッチ |
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JP7364934B2 true JP7364934B2 (ja) | 2023-10-19 |
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US (1) | US20230194952A1 (ja) |
JP (1) | JP7364934B2 (ja) |
WO (1) | WO2021075047A1 (ja) |
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JP7252494B2 (ja) * | 2019-10-16 | 2023-04-05 | 日本電信電話株式会社 | 光スイッチ |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004157332A (ja) | 2002-11-06 | 2004-06-03 | Nippon Telegr & Teleph Corp <Ntt> | 光モジュール、およびそれを構成する光スイッチ、並びに光マトリクススイッチ |
JP2004177515A (ja) | 2002-11-25 | 2004-06-24 | Nippon Telegr & Teleph Corp <Ntt> | 1×n光スイッチ |
JP2013027085A (ja) | 2011-07-19 | 2013-02-04 | Cosel Co Ltd | 電源装置及びそれを用いた電源システム |
JP2016218297A (ja) | 2015-05-22 | 2016-12-22 | 日本電信電話株式会社 | 光スイッチ |
JP2016224588A (ja) | 2015-05-28 | 2016-12-28 | 株式会社リコー | 制御装置及び制御方法 |
WO2019195441A1 (en) | 2018-04-04 | 2019-10-10 | The Research Foundation For The State University Of New York | Heterogeneous structure on an integrated photonics platform |
Family Cites Families (2)
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JPH10505212A (ja) * | 1994-09-14 | 1998-05-19 | シーメンス アクチエンゲゼルシヤフト | ツリー構造における光1×nおよびn×nスイッチマトリクス |
JP7252494B2 (ja) * | 2019-10-16 | 2023-04-05 | 日本電信電話株式会社 | 光スイッチ |
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- 2019-10-18 WO PCT/JP2019/041104 patent/WO2021075047A1/ja active Application Filing
- 2019-10-18 JP JP2021552076A patent/JP7364934B2/ja active Active
- 2019-10-18 US US17/769,553 patent/US20230194952A1/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2004157332A (ja) | 2002-11-06 | 2004-06-03 | Nippon Telegr & Teleph Corp <Ntt> | 光モジュール、およびそれを構成する光スイッチ、並びに光マトリクススイッチ |
JP2004177515A (ja) | 2002-11-25 | 2004-06-24 | Nippon Telegr & Teleph Corp <Ntt> | 1×n光スイッチ |
JP2013027085A (ja) | 2011-07-19 | 2013-02-04 | Cosel Co Ltd | 電源装置及びそれを用いた電源システム |
JP2016218297A (ja) | 2015-05-22 | 2016-12-22 | 日本電信電話株式会社 | 光スイッチ |
JP2016224588A (ja) | 2015-05-28 | 2016-12-28 | 株式会社リコー | 制御装置及び制御方法 |
WO2019195441A1 (en) | 2018-04-04 | 2019-10-10 | The Research Foundation For The State University Of New York | Heterogeneous structure on an integrated photonics platform |
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US20230194952A1 (en) | 2023-06-22 |
WO2021075047A1 (ja) | 2021-04-22 |
JPWO2021075047A1 (ja) | 2021-04-22 |
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