JP6702307B2 - 光回路、およびそれを用いた光スイッチ - Google Patents
光回路、およびそれを用いた光スイッチ Download PDFInfo
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- JP6702307B2 JP6702307B2 JP2017509252A JP2017509252A JP6702307B2 JP 6702307 B2 JP6702307 B2 JP 6702307B2 JP 2017509252 A JP2017509252 A JP 2017509252A JP 2017509252 A JP2017509252 A JP 2017509252A JP 6702307 B2 JP6702307 B2 JP 6702307B2
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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
- G02F1/01—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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0005—Switch and router aspects
-
- 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
- G02B6/3542—Non-blocking switch, e.g. with multiple potential paths between multiple inputs and outputs, the establishment of one switching path not preventing the establishment of further switching paths
-
- 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
- G02B6/3544—2D constellations, i.e. with switching elements and switched beams located in a plane
- G02B6/3546—NxM switch, i.e. a regular array of switches elements of matrix type constellation
-
- 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
- G02B6/3596—With planar waveguide arrangement, i.e. in a substrate, regardless if actuating mechanism is outside the substrate
-
- 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
- G02F1/311—Cascade arrangement of plural switches
-
- 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
- G02F2203/04—Function characteristic wavelength independent
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0005—Switch and router aspects
- H04Q2011/0007—Construction
- H04Q2011/0035—Construction using miscellaneous components, e.g. circulator, polarisation, acousto/thermo optical
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/1301—Optical transmission, optical switches
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Description
このような光スイッチのOnOff比(Off時とOn時の透過率比)は理論上無限大となるが、実際に、作製される光スイッチでは製造上の不完全性、例えば位相誤差、偏光変換、散乱光などに起因して、無限大にはならない。そのため特許文献1では、高いOnOff比を得るためにスイッチ素子を2個縦属接続した2重マッハ・ツェンダ干渉計(MZI)構成を使用している。
図1は、本発明の第1の実施形態に係る光回路100の構成を示すブロック図である。
次に、本発明の第2の実施形態について説明する。
次に、本発明の第3の実施形態について説明する。
次に、本発明の第4の実施形態について説明する。
次に、本発明の第5の実施形態について説明する。
101 第1のマッハ・ツェンダ型素子
102 第2のマッハ・ツェンダ型素子
103〜104、110〜112 ポート
105 第1の分岐合流器
106 第2の分岐合流器
107 第3の分岐合流器
108 第4の分岐合流器
109、113 ヒータ
200 マッハ・ツェンダ型素子
201 シリコン基板
202 コア
203 クラッド
204、205 電極
206 ヒータ
207、301a〜301d、401a〜401d、501a〜501d、601a〜601d 入力ポート
209、210、302a〜302d、402a〜402d、502a〜502d、602a〜602d 出力ポート
211 1×2型分岐合流器
212 2×2型分岐合流器
300、400、500、600 光スイッチ
303a〜303d、304a〜304d、305a〜305d、306a〜306d 光経路切替単位
403、405、505、605 セレクタ部
404、504、604 ゲート部
503、603 スプリッタ部
Claims (5)
- 第1の分岐導波路と、前記第1の分岐導波路の一端と接続する第1の分岐合流器と、前記第1の分岐導波路の他端と接続し、前記第1の分岐合流器と分岐構成が異なる第2の分岐合流器、とを備えた第1のマッハ・ツェンダ型素子と、
第2の分岐導波路と、前記第2の分岐導波路の一端と接続する第3の分岐合流器と、前記第2の分岐導波路の他端と接続し、前記第3の分岐合流器と分岐構成が異なる第4の分岐合流器、とを備えた第2のマッハ・ツェンダ型素子、とを有し、
前記第1の分岐導波路および前記第2の分岐導波路は、位相差調整手段をそれぞれ備え、
前記第2の分岐合流器および前記第3の分岐合流器は、前記第1の分岐合流器および前記第4の分岐合流器よりも、位相反転した2本の基本モードと高次モードとの光結合が小さく、
前記第1のマッハ・ツェンダ型素子と前記第2のマッハ・ツェンダ型素子が、前記第2の分岐合流器と前記第3の分岐合流器とを介して接続している光回路であって、
前記第1の分岐合流器および前記第4の分岐合流器は、1×2型分岐合流器であり、
前記第2の分岐合流器および前記第3の分岐合流器は、2×2型分岐合流器であり、
前記第1の分岐導波路、前記第2の分岐導波路、前記第1の分岐合流器、前記第2の分岐合流器、前記第3の分岐合流器、および前記第4の分岐合流器をそれぞれ構成する光導波路は、コアの主成分がシリコン材料であり、クラッドの主成分が石英材料であるシリコン光導波路である
光回路。 - 複数の入力ポートと、
複数の出力ポートと、
前記複数の入力ポートと前記複数の出力ポートを接続する複数の光経路切替単位、とを有し、
前記光経路切替単位は、請求項1に記載した光回路を含む
光スイッチ。 - 複数の入力ポートと、
複数の出力ポートと、
前記複数の入力ポートと前記複数の出力ポートを接続するセレクタ部と、ゲート部、と
を有し、
前記セレクタ部と前記ゲート部が、請求項1に記載した光回路に
よって接続された
光スイッチ。 - 複数の入力ポートと、
複数の出力ポートと、
前記複数の入力ポートと前記複数の出力ポートを接続するスプリッタ部と、ゲート部と、セレクタ部、とを有し、
前記ゲート部と前記セレクタ部が、請求項1に記載した光回路によって接続された
光スイッチ。 - 前記ゲート部が、前記光回路を備える
請求項4に記載した光スイッチ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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JP2015068460 | 2015-03-30 | ||
JP2015068460 | 2015-03-30 | ||
PCT/JP2016/001630 WO2016157819A1 (ja) | 2015-03-30 | 2016-03-22 | 光回路、およびそれを用いた光スイッチ |
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JPWO2016157819A1 JPWO2016157819A1 (ja) | 2018-02-01 |
JP6702307B2 true JP6702307B2 (ja) | 2020-06-03 |
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US (1) | US10248002B2 (ja) |
JP (1) | JP6702307B2 (ja) |
WO (1) | WO2016157819A1 (ja) |
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JP6950593B2 (ja) * | 2018-03-09 | 2021-10-13 | 日本電信電話株式会社 | 光入出力装置およびその作製方法 |
JP7227535B2 (ja) * | 2019-06-24 | 2023-02-22 | 日本電信電話株式会社 | 光回路 |
CN115291334B (zh) * | 2022-08-01 | 2024-04-19 | 吉林大学 | 一种硅基pin调制的te0/te1多模电光开关 |
Family Cites Families (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2009352C (en) * | 1989-02-07 | 1995-02-28 | Masao Kawachi | Guided-wave optical branching components and optical switches |
US5278923A (en) | 1992-09-02 | 1994-01-11 | Harmonic Lightwaves, Inc. | Cascaded optical modulation system with high linearity |
EP0629896B1 (en) * | 1993-06-21 | 2001-10-17 | Nippon Telegraph And Telephone Corporation | Optical signal processor, method of its control, method of its designing, and method of its production |
US5469257A (en) * | 1993-11-24 | 1995-11-21 | Honeywell Inc. | Fiber optic gyroscope output noise reducer |
US5832155A (en) * | 1995-02-07 | 1998-11-03 | Ldt Gmbh & Co. Laser-Display-Technologie Kg | Combination splitting device composed of strip waveguides and uses thereof |
US5915051A (en) * | 1997-01-21 | 1999-06-22 | Massascusetts Institute Of Technology | Wavelength-selective optical add/drop switch |
US6616353B1 (en) * | 1999-10-07 | 2003-09-09 | Massachusetts Institute Of Technology | Laser intensity noise suppression using unbalanced interferometer modulation |
JP2001154164A (ja) * | 1999-11-25 | 2001-06-08 | Nec Corp | 光変調器および光変調方法 |
EP1252729A1 (en) * | 2000-01-17 | 2002-10-30 | Avanex Corporation | Attenuator integrated with modulator and transmitting module for wdm system using the same |
US7005669B1 (en) * | 2001-08-02 | 2006-02-28 | Ultradots, Inc. | Quantum dots, nanocomposite materials with quantum dots, devices with quantum dots, and related fabrication methods |
US6819845B2 (en) * | 2001-08-02 | 2004-11-16 | Ultradots, Inc. | Optical devices with engineered nonlinear nanocomposite materials |
US7171067B2 (en) * | 2003-03-03 | 2007-01-30 | Lucent Technologies Inc. | Integrateable optical interleaver and de-interleaver |
US6937782B2 (en) * | 2002-05-08 | 2005-08-30 | Massachusetts Institute Of Technology | Polarization-stabilized all-optical switch |
JP3923383B2 (ja) * | 2002-07-02 | 2007-05-30 | ニッタ株式会社 | 光導波路カプラ回路デバイス |
US6882758B2 (en) * | 2002-07-09 | 2005-04-19 | Bookham Technology Plc | Current tuned Mach-Zehnder optical attenuator |
GB2395796A (en) * | 2002-11-27 | 2004-06-02 | Alcatel Optronics Uk Ltd | Optical waveguide branching component with MMI couplers |
US7356206B2 (en) * | 2003-09-15 | 2008-04-08 | Infinera Corporation | Integrated optics polarization beam splitter using form birefringence |
JP2006038897A (ja) | 2004-07-22 | 2006-02-09 | Nippon Telegr & Teleph Corp <Ntt> | 導波路型光スイッチ単位素子および導波路型マトリクス光スイッチ |
US7388672B2 (en) * | 2004-11-19 | 2008-06-17 | Carl Ziess Meditec, Inc. | High efficiency balanced detection interferometer |
JP4727279B2 (ja) | 2005-04-07 | 2011-07-20 | 日本電信電話株式会社 | マトリクス光スイッチ |
JP2009157114A (ja) | 2007-12-26 | 2009-07-16 | Nippon Telegr & Teleph Corp <Ntt> | 導波路型光干渉計回路 |
JP2009210788A (ja) | 2008-03-04 | 2009-09-17 | Ntt Electornics Corp | 光マトリクススイッチ |
JP5399693B2 (ja) * | 2008-07-14 | 2014-01-29 | 日本電信電話株式会社 | 光波長合分波回路 |
JP5457661B2 (ja) * | 2008-07-14 | 2014-04-02 | 日本電信電話株式会社 | 光波長合分波回路 |
JP5074477B2 (ja) * | 2009-11-26 | 2012-11-14 | Nttエレクトロニクス株式会社 | 光導波路デバイス |
US8548333B2 (en) * | 2010-04-02 | 2013-10-01 | Infinera Corporation | Transceiver photonic integrated circuit |
CN103370650B (zh) | 2011-02-15 | 2016-01-06 | 日本电信电话株式会社 | 波导型光开关 |
JP5708026B2 (ja) | 2011-02-24 | 2015-04-30 | 富士通株式会社 | 光半導体素子及びその製造方法 |
CN103384849B (zh) * | 2011-02-25 | 2016-08-10 | 日本电信电话株式会社 | 光调制器 |
JP6060900B2 (ja) | 2011-05-10 | 2017-01-18 | 日本電気株式会社 | 光回路 |
JP6047899B2 (ja) * | 2012-03-19 | 2016-12-21 | 富士通オプティカルコンポーネンツ株式会社 | 光変調器 |
JP5747004B2 (ja) | 2012-08-22 | 2015-07-08 | 株式会社フジクラ | 光導波路素子 |
WO2014167800A1 (ja) | 2013-04-08 | 2014-10-16 | 古河電気工業株式会社 | スイッチ装置 |
US9678288B2 (en) * | 2013-07-10 | 2017-06-13 | Photonics Electronics Technology Research Association | Optical circuit |
US9977310B2 (en) * | 2014-03-10 | 2018-05-22 | Alcatel Lucent | Multi-electrode photonic digital to analog converting vector modulator |
-
2016
- 2016-03-22 WO PCT/JP2016/001630 patent/WO2016157819A1/ja active Application Filing
- 2016-03-22 US US15/561,135 patent/US10248002B2/en active Active
- 2016-03-22 JP JP2017509252A patent/JP6702307B2/ja active Active
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JPWO2016157819A1 (ja) | 2018-02-01 |
US10248002B2 (en) | 2019-04-02 |
US20180052380A1 (en) | 2018-02-22 |
WO2016157819A1 (ja) | 2016-10-06 |
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