DE69324283T2 - Optischer Isolator - Google Patents

Optischer Isolator

Info

Publication number
DE69324283T2
DE69324283T2 DE69324283T DE69324283T DE69324283T2 DE 69324283 T2 DE69324283 T2 DE 69324283T2 DE 69324283 T DE69324283 T DE 69324283T DE 69324283 T DE69324283 T DE 69324283T DE 69324283 T2 DE69324283 T2 DE 69324283T2
Authority
DE
Germany
Prior art keywords
optical isolator
isolator
optical
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69324283T
Other languages
English (en)
Other versions
DE69324283D1 (de
Inventor
Yutaka Urino
Tomoki Saito
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Publication of DE69324283D1 publication Critical patent/DE69324283D1/de
Application granted granted Critical
Publication of DE69324283T2 publication Critical patent/DE69324283T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G02F1/093—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 used as non-reciprocal devices, e.g. optical isolators, circulators
    • 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
    • G02F2203/06—Polarisation independent

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
DE69324283T 1992-01-22 1993-01-21 Optischer Isolator Expired - Fee Related DE69324283T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4031586A JPH05196890A (ja) 1992-01-22 1992-01-22 光アイソレータ

Publications (2)

Publication Number Publication Date
DE69324283D1 DE69324283D1 (de) 1999-05-12
DE69324283T2 true DE69324283T2 (de) 1999-08-19

Family

ID=12335300

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69324283T Expired - Fee Related DE69324283T2 (de) 1992-01-22 1993-01-21 Optischer Isolator

Country Status (4)

Country Link
US (1) US5835270A (de)
EP (1) EP0552783B1 (de)
JP (1) JPH05196890A (de)
DE (1) DE69324283T2 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2757093B2 (ja) * 1992-04-20 1998-05-25 富士電気化学株式会社 無偏波分散型光アイソレータ
US6049425A (en) * 1996-07-02 2000-04-11 Shin-Etsu Chemical Co., Ltd. Multiple-stage optical isolator
US6239900B1 (en) 1997-09-19 2001-05-29 Nz Applied Technologies Corp. Reflective fiber-optic isolator
US6055101A (en) * 1998-08-28 2000-04-25 Lucent Technologies, Inc. Isolator assembly and method of making
US6091866A (en) * 1998-09-01 2000-07-18 Cheng; Yihao Optical isolator
US5973832A (en) * 1998-10-19 1999-10-26 Uniphase Corporation High performance optical circulators
JP2001075063A (ja) * 1999-09-02 2001-03-23 Fujitsu Ltd ファラデー回転子
US6288826B1 (en) * 2000-01-05 2001-09-11 Jds Uniphase Inc. Multi-stage optical isolator
US7227686B1 (en) 2002-01-22 2007-06-05 General Photonics Corporation Tunable PMD emulators and compensators
JP4036687B2 (ja) * 2002-06-11 2008-01-23 富士通株式会社 複数のノード装置がリング状に接続された光リングネットワークシステム
US7218436B2 (en) * 2003-08-08 2007-05-15 General Photonics Corporation Optical instrument and measurements using multiple tunable optical polarization rotators
US7436569B2 (en) * 2003-03-12 2008-10-14 General Photonics Corporation Polarization measurement and self-calibration based on multiple tunable optical polarization rotators
US7466471B2 (en) * 2003-03-12 2008-12-16 General Photonics Corporation Optical instrument and measurements using multiple tunable optical polarization rotators
US7391977B2 (en) 2003-03-12 2008-06-24 General Photonics Corporation Monitoring mechanisms for optical systems
US7796894B1 (en) 2003-07-30 2010-09-14 General Photonics Corporation Reduction of noise and polarization mode dispersion (PMD) based on optical polarization stabilizer in fiber transmission
US7952711B1 (en) 2007-03-26 2011-05-31 General Photonics Corporation Waveplate analyzer based on multiple tunable optical polarization rotators
US8422882B1 (en) 2008-02-04 2013-04-16 General Photonics Corporation Monitoring polarization-mode dispersion and signal-to-noise ratio in optical signals based on polarization analysis
US20100239245A1 (en) * 2009-03-21 2010-09-23 General Photonics Corporation Polarization Mode Emulators and Polarization Mode Dispersion Compensators Based on Optical Polarization Rotators with Discrete Polarization States
US8780433B2 (en) 2011-09-28 2014-07-15 General Photonics Corporation Polarization scrambling based on cascaded optical polarization devices having modulated optical retardation
US10698227B2 (en) 2017-08-11 2020-06-30 Christie Digital Systems Usa, Inc. Apparatus for combining laser beams

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3267804A (en) * 1963-01-03 1966-08-23 Bell Telephone Labor Inc Optical circulator
JPS53108451A (en) * 1977-03-04 1978-09-21 Nec Corp Method for directly obtaining polarization and linear polarizing system
JPS58116515A (ja) * 1981-12-29 1983-07-11 Fujitsu Ltd 光アイソレ−タ
CA1253726A (en) * 1982-06-28 1989-05-09 Masataka Shirasaki Polarization rotation compensator and optical isolator using the same
US4464022A (en) * 1982-09-28 1984-08-07 At&T Bell Laboratories Optical circulator
JPS6049297A (ja) * 1983-08-29 1985-03-18 石川島播磨重工業株式会社 放射性廃液の減容化方法
JPS60130934A (ja) * 1983-12-20 1985-07-12 Fujitsu Ltd 光アイソレ−タ
JPS6158809A (ja) * 1984-08-20 1986-03-26 ゼネラル　モーターズ　コーポレーシヨン グラフアイト繊維の製造における熱分解メタン濃度の制御
JPH01105908A (ja) * 1987-10-19 1989-04-24 Fujitsu Ltd 光アイソレータ
JP2651701B2 (ja) * 1988-05-18 1997-09-10 並木精密宝石株式会社 光アイソレータ付きレーザモジュール
US4974944A (en) * 1988-07-21 1990-12-04 Hewlett-Packard Company Optical nonreciprocal device
JPH0246419A (ja) * 1988-08-06 1990-02-15 Namiki Precision Jewel Co Ltd 光アイソレータ
JPH02287528A (ja) * 1989-04-28 1990-11-27 Canon Inc 投影装置
US5251058A (en) * 1989-10-13 1993-10-05 Xerox Corporation Multiple beam exposure control
JPH0820623B2 (ja) * 1990-06-20 1996-03-04 株式会社信光社 光アイソレータ
JP2835412B2 (ja) * 1990-07-16 1998-12-14 日本電信電話株式会社 方向可変光アイソレータ
US5237445A (en) * 1990-11-30 1993-08-17 Shimadzu Corporation Optical isolator
EP0491607B1 (de) * 1990-12-17 1996-07-31 Nippon Telegraph And Telephone Corporation Optischer Zirkulator
JPH04221923A (ja) * 1990-12-25 1992-08-12 Namiki Precision Jewel Co Ltd 偏光無依存型光アイソレータ

Also Published As

Publication number Publication date
DE69324283D1 (de) 1999-05-12
EP0552783A2 (de) 1993-07-28
JPH05196890A (ja) 1993-08-06
EP0552783B1 (de) 1999-04-07
US5835270A (en) 1998-11-10
EP0552783A3 (en) 1993-11-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee