JP2008298865A - 導波路型波長ドメイン光スイッチ - Google Patents
導波路型波長ドメイン光スイッチ Download PDFInfo
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/35—Optical coupling means having switching means
- G02B6/354—Switching arrangements, i.e. number of input/output ports and interconnection types
- G02B6/356—Switching arrangements, i.e. number of input/output ports and interconnection types in an optical cross-connect device, e.g. routing and switching aspects of interconnecting different paths propagating different wavelengths to (re)configure the various input and output links
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/12007—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer
- G02B6/12009—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides
- G02B6/12011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides characterised by the arrayed waveguides, e.g. comprising a filled groove in the array section
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/12007—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer
- G02B6/12009—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides
- G02B6/12014—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides characterised by the wavefront splitting or combining section, e.g. grooves or optical elements in a slab waveguide
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/12007—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer
- G02B6/12009—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides
- G02B6/12019—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides characterised by the optical interconnection to or from the AWG devices, e.g. integration or coupling with lasers or photodiodes
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/12007—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer
- G02B6/12009—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides
- G02B6/12023—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides characterised by means for reducing the polarisation dependence, e.g. reduced birefringence
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/12007—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer
- G02B6/12009—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides
- G02B6/12026—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides characterised by means for reducing the temperature dependence
- G02B6/12028—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides characterised by means for reducing the temperature dependence based on a combination of materials having a different refractive index temperature dependence, i.e. the materials are used for transmitting light
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29379—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device
- G02B6/29397—Polarisation insensitivity
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/35—Optical coupling means having switching means
- G02B6/354—Switching arrangements, i.e. number of input/output ports and interconnection types
- G02B6/3554—3D constellations, i.e. with switching elements and switched beams located in a volume
- G02B6/3556—NxM switch, i.e. regular arrays of switches elements of matrix type constellation
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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
- G02F1/13—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 liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133553—Reflecting elements
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- Microelectronics & Electronic Packaging (AREA)
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- Optical Couplings Of Light Guides (AREA)
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Abstract
【解決手段】波長多重された光信号を他の導波路型分光器に、或いは多数の波長の光を多重化して光伝送路となる光ファイバに入出力するための導波路型波長ドメイン光スイッチにおいて、導波路型分光器2を厚さ方向に少なくとも3枚積層してなる入出力ポート3と、入出力ポート3の入力ポート8から入射し出射された光を一軸方向に集光するための第1レンズ4と、第1レンズ4の集光方向と直交する方向に第1レンズ4から出射された光を集光するための第2レンズ5と、第2レンズ5から出射された光を第2レンズ5、第1レンズ4を介して光の入出力ポート3の出力ポート9に反射させるための光位相変調セル6とを順次配置した。
【選択図】図1
Description
(ただし、Ng=導波路型分光器の群屈折率、No=空気の屈折率)
よって、導波路型分光器2の積層方向に対する垂直方向(Z軸方向)に対してθ2の角度をなすように導波路型分光器2を配置することによって、自由空間を伝搬する光ビームをZ軸方向に対して平行光とすることができる。
2 導波路型分光器
3 入出力ポート
4 第1レンズ
5 第2レンズ
6 光位相変調セル
8 入力ポート
9 出力ポート
21 入出力用導波路
22 スラブ導波路
24 アレイ導波路
91 スラブ導波路
92 出力用導波路
93 導波路型光カップラ回路
95 受光素子
Claims (15)
- 波長多重された光信号を他の導波路型分光器に、或いは多数の波長の光を多重化して光伝送路となる光ファイバに入出力するための導波路型波長ドメイン光スイッチにおいて、 導波路型分光器を厚さ方向に少なくとも3枚積層してなる入出力ポートと、該入出力ポートの入力ポートから入射し出射された光を一軸方向に集光するための第1レンズと、該第1レンズの集光方向と直交する方向に上記第1レンズから出射された光を集光するための第2レンズと、該第2レンズから出射された光を上記第2レンズ、上記第1レンズを介して上記入出力ポートの出力ポートに反射させるための光位相変調セルとを順次配置したことを特徴とする導波路型波長ドメイン光スイッチ。
- 積層された導波路型分光器は、透明な光学接着剤によって互いに接着されている請求項1記載の導波路型波長ドメイン光スイッチ。
- 波長多重された光信号を他の導波路型分光器に、或いは多数の波長の光を多重化して光伝送路となる光ファイバに入出力するための導波路型波長ドメイン光スイッチにおいて、 少なくとも2枚の導波路型分光器と導波路型光カップラ回路を積層してなる入出力ポートと、該入出力ポートの入力ポートから入射し出射された光を一軸方向に集光するための第1レンズと、該第1レンズの集光方向と直交する方向に上記第1レンズから出射された光を集光する第2レンズと、該第2レンズから出射された光を上記第2レンズ、上記第1レンズを介して上記入出力ポートの出力ポートに反射させるための光位相変調セルとを順次配置したことを特徴とする導波路型波長ドメイン光スイッチ。
- 積層された導波路型分光器、及び導波路型分光器と導波路型光カップラ回路は、透明な光学接着剤によって互いに接着されている請求項3記載の導波路型波長ドメイン光スイッチ。
- 上記導波路型光カップラ回路は、スラブ導波路と、該スラブ導波路から分波される波長数以上の出力用導波路とからなることを特徴とする請求項3または4記載の導波路型波長ドメイン光スイッチ。
- 上記出力用導波路の出射端側に、出力用導波路から出射された光をモニタするための受光素子が配置されている請求項5記載の導波路型波長ドメイン光スイッチ。
- 上記入出力ポートは、中央部分に上記入力ポートが位置しており、該入力ポートの上下側に出力ポートが積層されている請求項1〜6のいずれかに記載の導波路型波長ドメイン光スイッチ。
- 上記導波路型分光器は、屈折率の高いコアをそれよりも屈折率の低いクラッドで埋め込まれた少なくとも1本以上の入力導波路と、該入力導波路に接続され厚さ方向のみに閉じ込め構造を持つスラブ導波路と、該スラブ導波路に接続された多数の一定長だけ長さが順次異なるアレイ導波路とからなることを特徴とする請求項1〜7のいずれかに記載の導波路型波長ドメイン光スイッチ。
- 上記導波路型分光器の上記スラブ導波路の一部に楔形の溝が少なくとも1個形成され、該溝部には石英ガラスの屈折率温度特性と逆の温度依存性を持つ樹脂が挿入されている請求項8記載の導波路型波長ドメイン光スイッチ。
- 上記入出力ポートの入出力端面には無反射コーティングが形成されている請求項1〜9のいずれかに記載の導波路型波長ドメイン光スイッチ。
- 上記入出力ポートの入出力端面が、上記導波路型分光器の積層方向と同一面内で光の入出射方向に対して8°以上の角度をなすように形成されている請求項1〜10のいずれかに記載の導波路型波長ドメイン光スイッチ。
- 上記光位相変調セルの光の入出力端面には無反射コーティングが形成されていることを特徴とする請求項1〜11のいずれかに記載の導波路型波長ドメイン光スイッチ。
- 上記光位相変調セルの光の入出力端面が上記導波路型分光器と同一平面内で上記第2レンズからの出射光に対して0.1〜0.5°傾けて配置されている請求項1〜12のいずれかに記載の導波路型波長ドメイン光スイッチ。
- 上記光位相変調セルは、基板上に反射膜と液晶層が設けられ、上記反射膜と液晶層との間に1/4波長膜が挿入されてなる請求項1〜13のいずれかに記載の導波路型波長ドメイン光スイッチ。
- 上記第1レンズおよび第2レンズによる集光位置のずれを補正するための位相分布を上記光位相変調セルに対して付与することを特徴とする請求項1〜14のいずれかに記載の導波路型波長ドメイン光スイッチ。
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JP2007142159A JP4458494B2 (ja) | 2007-05-29 | 2007-05-29 | 導波路型波長選択スイッチ |
US12/153,975 US7567736B2 (en) | 2007-05-29 | 2008-05-28 | Waveguide type wavelength domain optical switch |
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Cited By (12)
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JP2010072339A (ja) * | 2008-09-18 | 2010-04-02 | National Institute Of Advanced Industrial Science & Technology | 導波路型波長ドメイン光スイッチ |
JP2011154210A (ja) * | 2010-01-27 | 2011-08-11 | National Institute Of Advanced Industrial Science & Technology | 波長ドメイン光スイッチ |
JP2012108346A (ja) * | 2010-11-18 | 2012-06-07 | Sun Tec Kk | 波長選択光スイッチ装置 |
JP2012220924A (ja) * | 2011-04-14 | 2012-11-12 | National Institute Of Advanced Industrial & Technology | N×n波長選択スイッチ |
WO2012165564A1 (ja) * | 2011-05-31 | 2012-12-06 | 古河電気工業株式会社 | 光信号選択装置の制御方法および光信号選択装置 |
JP2013034132A (ja) * | 2011-08-02 | 2013-02-14 | Fujitsu Ltd | 光伝送装置及び光伝送方法 |
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JP4458494B2 (ja) | 2010-04-28 |
US20080298738A1 (en) | 2008-12-04 |
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