WO2008133313A1 - 光信号処理装置 - Google Patents

光信号処理装置 Download PDF

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Publication number
WO2008133313A1
WO2008133313A1 PCT/JP2008/057985 JP2008057985W WO2008133313A1 WO 2008133313 A1 WO2008133313 A1 WO 2008133313A1 JP 2008057985 W JP2008057985 W JP 2008057985W WO 2008133313 A1 WO2008133313 A1 WO 2008133313A1
Authority
WO
WIPO (PCT)
Prior art keywords
lens
signal processor
optical signal
reduced
lenses
Prior art date
Application number
PCT/JP2008/057985
Other languages
English (en)
French (fr)
Inventor
Naoki Ooba
Kenya Suzuki
Shinji Mino
Motohaya Ishii
Fumihiro Ebisawa
Original Assignee
Nippon Telegraph And Telephone Corporation
Ntt Electronics Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph And Telephone Corporation, Ntt Electronics Corporation filed Critical Nippon Telegraph And Telephone Corporation
Publication of WO2008133313A1 publication Critical patent/WO2008133313A1/ja

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/28Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293Optical 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
    • G02B6/29379Optical 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
    • G02B6/29395Optical 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 configurable, e.g. tunable or reconfigurable
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12Light 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
    • G02B6/12007Light 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
    • G02B6/12009Light 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
    • G02B6/12011Light 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
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12Light 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
    • G02B6/12007Light 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
    • G02B6/12009Light 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
    • G02B6/12019Light 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
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/35Optical coupling means having switching means
    • G02B6/354Switching arrangements, i.e. number of input/output ports and interconnection types
    • G02B6/356Switching 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
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/28Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293Optical 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
    • G02B6/29304Optical 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 operating by diffraction, e.g. grating
    • G02B6/29305Optical 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 operating by diffraction, e.g. grating as bulk element, i.e. free space arrangement external to a light guide
    • G02B6/2931Diffractive element operating in reflection
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/35Optical coupling means having switching means
    • G02B6/351Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements
    • G02B6/3512Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements the optical element being reflective, e.g. mirror

Abstract

 従来の光信号処理装置においては、単レンズを含む空間光学系において発生する光結合損失の低減が十分でなかった。性能の良いレンズは製作が難しく、高価であった。また、光信号処理装置の製造時における調整加工が複雑となり、製造コストが高いという問題点があった。さらに、光学系における反射減衰量を確保し、クロストーク量を低減する必要があった。TASの低減に着目して、各レンズ面の屈折力(D1、D2、D3、D4)をパラメータとして、本発明のレンズ構成を見出した。2群2枚レンズにおいて、2枚のレンズの焦点距離が近く(D1f+D2f≒D3f+D4f≒0.5)、かつ、第2の集光レンズが、凸側を第1の集光レンズ側に向けた平凸レンズである場合(D3f≒0.5)に、波長依存の光結合損失が著しく小さくなる。
PCT/JP2008/057985 2007-04-25 2008-04-24 光信号処理装置 WO2008133313A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007115818A JP4814147B2 (ja) 2007-04-25 2007-04-25 光信号処理装置
JP2007-115818 2007-04-25

Publications (1)

Publication Number Publication Date
WO2008133313A1 true WO2008133313A1 (ja) 2008-11-06

Family

ID=39925761

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/057985 WO2008133313A1 (ja) 2007-04-25 2008-04-24 光信号処理装置

Country Status (2)

Country Link
JP (1) JP4814147B2 (ja)
WO (1) WO2008133313A1 (ja)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS634213A (ja) * 1986-06-24 1988-01-09 Nippon Sheet Glass Co Ltd 光学式記録再生装置用レンズ
JPS6440912A (en) * 1987-08-07 1989-02-13 Nippon Sheet Glass Co Ltd Lens for optical recording and reproducing device
JPH052146A (ja) * 1991-06-24 1993-01-08 Nec Corp ビームポジシヨナ
JP2004239991A (ja) * 2003-02-04 2004-08-26 Fujitsu Ltd 光機能デバイス
JP2005070271A (ja) * 2003-08-22 2005-03-17 Nec Viewtechnology Ltd 投写型表示装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0875948A (ja) * 1994-09-02 1996-03-22 Toshiba Corp 光合分波器
JP3520072B2 (ja) * 1996-09-02 2004-04-19 日本電信電話株式会社 光信号処理装置および光信号処理方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS634213A (ja) * 1986-06-24 1988-01-09 Nippon Sheet Glass Co Ltd 光学式記録再生装置用レンズ
JPS6440912A (en) * 1987-08-07 1989-02-13 Nippon Sheet Glass Co Ltd Lens for optical recording and reproducing device
JPH052146A (ja) * 1991-06-24 1993-01-08 Nec Corp ビームポジシヨナ
JP2004239991A (ja) * 2003-02-04 2004-08-26 Fujitsu Ltd 光機能デバイス
JP2005070271A (ja) * 2003-08-22 2005-03-17 Nec Viewtechnology Ltd 投写型表示装置

Also Published As

Publication number Publication date
JP2008275678A (ja) 2008-11-13
JP4814147B2 (ja) 2011-11-16

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