WO2002029477A1 - Attenuateur optique variable - Google Patents

Attenuateur optique variable Download PDF

Info

Publication number
WO2002029477A1
WO2002029477A1 PCT/JP2000/006921 JP0006921W WO0229477A1 WO 2002029477 A1 WO2002029477 A1 WO 2002029477A1 JP 0006921 W JP0006921 W JP 0006921W WO 0229477 A1 WO0229477 A1 WO 0229477A1
Authority
WO
WIPO (PCT)
Prior art keywords
farady
polarized wave
rotators
rotator
variable attenuator
Prior art date
Application number
PCT/JP2000/006921
Other languages
English (en)
French (fr)
Inventor
Satoshi Kumayasu
Eiichi Nakagawa
Original Assignee
Mitsubishi Denki Kabushiki Kaisha
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 Mitsubishi Denki Kabushiki Kaisha filed Critical Mitsubishi Denki Kabushiki Kaisha
Priority to JP2002532992A priority Critical patent/JPWO2002029477A1/ja
Priority to AU2000275563A priority patent/AU2000275563A1/en
Priority to PCT/JP2000/006921 priority patent/WO2002029477A1/ja
Priority to EP00964661A priority patent/EP1326126B1/en
Priority to US10/129,960 priority patent/US6792192B1/en
Publication of WO2002029477A1 publication Critical patent/WO2002029477A1/ja

Links

Classifications

    • 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 
    • G02F1/09—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 magneto-optical elements, e.g. exhibiting Faraday effect
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/16—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 series; tandem
    • 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
    • G02F2203/07—Polarisation dependent
    • 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
    • G02F2203/48—Variable attenuator

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
PCT/JP2000/006921 2000-10-04 2000-10-04 Attenuateur optique variable WO2002029477A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2002532992A JPWO2002029477A1 (ja) 2000-10-04 2000-10-04 光可変減衰装置
AU2000275563A AU2000275563A1 (en) 2000-10-04 2000-10-04 Optical variable attenuator
PCT/JP2000/006921 WO2002029477A1 (fr) 2000-10-04 2000-10-04 Attenuateur optique variable
EP00964661A EP1326126B1 (en) 2000-10-04 2000-10-04 Variable Optical Attenuator with a Compound Faraday Rotator
US10/129,960 US6792192B1 (en) 2000-10-04 2000-10-04 Optical variable attenuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2000/006921 WO2002029477A1 (fr) 2000-10-04 2000-10-04 Attenuateur optique variable

Publications (1)

Publication Number Publication Date
WO2002029477A1 true WO2002029477A1 (fr) 2002-04-11

Family

ID=11736560

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2000/006921 WO2002029477A1 (fr) 2000-10-04 2000-10-04 Attenuateur optique variable

Country Status (5)

Country Link
US (1) US6792192B1 (ja)
EP (1) EP1326126B1 (ja)
JP (1) JPWO2002029477A1 (ja)
AU (1) AU2000275563A1 (ja)
WO (1) WO2002029477A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007114746A (ja) * 2005-09-21 2007-05-10 Fdk Corp ファラデー回転角可変装置及びそれを用いる可変光アッテネータ
JP2008310118A (ja) * 2007-06-15 2008-12-25 Fdk Corp 可変光アッテネータ

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1391063A1 (en) * 2001-04-30 2004-02-25 PIRELLI SUBMARINE TELECOM SYSTEMS ITALIA S.p.A. Optical transmission system comprising a supervisory system
US7170921B1 (en) * 2002-10-18 2007-01-30 Finisar Corporation Magneto-optic variable optical attenuator
US20050180674A1 (en) * 2004-02-12 2005-08-18 Panorama Flat Ltd. Faraday structured waveguide display
US20050180722A1 (en) * 2004-02-12 2005-08-18 Panorama Flat Ltd. Apparatus, method, and computer program product for structured waveguide transport
US20050185877A1 (en) * 2004-02-12 2005-08-25 Panorama Flat Ltd. Apparatus, Method, and Computer Program Product For Structured Waveguide Switching Matrix
CN105515659A (zh) * 2015-12-01 2016-04-20 浙江工业大学 一种用于双工可见光通信系统的信道控制装置及方法
CN108415175A (zh) * 2017-02-10 2018-08-17 北京齐瑞德光电科技有限公司 一种基于法拉第旋光效应的扰偏器

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03214374A (ja) * 1990-01-19 1991-09-19 Fujitsu Ltd 光変調器
US5657151A (en) * 1993-12-09 1997-08-12 Lucent Technologies Inc. Polarization scrambler/modulator
WO1998056186A1 (de) * 1997-06-03 1998-12-10 Ldt Gmbh & Co. Laser-Display-Technologie Kg Vorrichtung zum intensitätsmodulieren eines lichtbündels, ein herstellungsverfahren für diese, ein verfahren zum intensitätsmodulieren eines lichtbündels sowie verwendung der vorrichtung
EP0932068A2 (en) * 1998-01-23 1999-07-28 Fujitsu Limited Tunable optical filter
EP0932067A2 (en) * 1998-01-22 1999-07-28 Fujitsu Limited Optical attenuator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60130934A (ja) 1983-12-20 1985-07-12 Fujitsu Ltd 光アイソレ−タ
JP2815509B2 (ja) 1992-07-31 1998-10-27 富士通株式会社 光アッテネータ
US5889609A (en) * 1992-07-31 1999-03-30 Fujitsu Limited Optical attenuator
JPH07212315A (ja) 1994-01-18 1995-08-11 Fujitsu Ltd 光増幅器
US5978135A (en) * 1999-05-03 1999-11-02 Lucent Technologies Inc. Article comprising a variable optical attenuator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03214374A (ja) * 1990-01-19 1991-09-19 Fujitsu Ltd 光変調器
US5657151A (en) * 1993-12-09 1997-08-12 Lucent Technologies Inc. Polarization scrambler/modulator
WO1998056186A1 (de) * 1997-06-03 1998-12-10 Ldt Gmbh & Co. Laser-Display-Technologie Kg Vorrichtung zum intensitätsmodulieren eines lichtbündels, ein herstellungsverfahren für diese, ein verfahren zum intensitätsmodulieren eines lichtbündels sowie verwendung der vorrichtung
EP0932067A2 (en) * 1998-01-22 1999-07-28 Fujitsu Limited Optical attenuator
EP0932068A2 (en) * 1998-01-23 1999-07-28 Fujitsu Limited Tunable optical filter

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP1326126A4 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007114746A (ja) * 2005-09-21 2007-05-10 Fdk Corp ファラデー回転角可変装置及びそれを用いる可変光アッテネータ
JP2008310118A (ja) * 2007-06-15 2008-12-25 Fdk Corp 可変光アッテネータ

Also Published As

Publication number Publication date
JPWO2002029477A1 (ja) 2004-02-12
EP1326126A1 (en) 2003-07-09
EP1326126A4 (en) 2004-06-09
EP1326126B1 (en) 2006-03-08
AU2000275563A1 (en) 2002-04-15
US6792192B1 (en) 2004-09-14

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