SG134294G - Optical nonreciprocal device - Google Patents

Optical nonreciprocal device

Info

Publication number
SG134294G
SG134294G SG134294A SG134294A SG134294G SG 134294 G SG134294 G SG 134294G SG 134294 A SG134294 A SG 134294A SG 134294 A SG134294 A SG 134294A SG 134294 G SG134294 G SG 134294G
Authority
SG
Singapore
Prior art keywords
nonreciprocal device
optical nonreciprocal
optical
nonreciprocal
Prior art date
Application number
SG134294A
Other languages
English (en)
Inventor
Kok Wai Chang
Original Assignee
Hewlett Packard Co
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
Priority to US07/222,597 priority Critical patent/US4974944A/en
Priority to US07/327,945 priority patent/US5446578A/en
Priority to EP89307004A priority patent/EP0352002B1/en
Priority to DE68911780T priority patent/DE68911780T2/de
Priority to JP1190408A priority patent/JP2983553B2/ja
Application filed by Hewlett Packard Co filed Critical Hewlett Packard Co
Priority to SG134294A priority patent/SG134294G/en
Priority to HK123294A priority patent/HK123294A/xx
Publication of SG134294G publication Critical patent/SG134294G/en

Links

Classifications

    • 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
    • G02B6/27—Optical coupling means with polarisation selective and adjusting means
    • G02B6/2746—Optical coupling means with polarisation selective and adjusting means comprising non-reciprocal devices, e.g. isolators, FRM, circulators, quasi-isolators
    • 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
    • G02F2203/04—Function characteristic wavelength independent
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S372/00—Coherent light generators
    • Y10S372/703—Optical isolater

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
SG134294A 1988-07-21 1994-09-21 Optical nonreciprocal device SG134294G (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
US07/222,597 US4974944A (en) 1988-07-21 1988-07-21 Optical nonreciprocal device
US07/327,945 US5446578A (en) 1988-07-21 1989-03-23 Polarization preserving optical isolator
EP89307004A EP0352002B1 (en) 1988-07-21 1989-07-10 Optical nonreciprocal device
DE68911780T DE68911780T2 (de) 1988-07-21 1989-07-10 Nicht-reziproke optische Anordnung.
JP1190408A JP2983553B2 (ja) 1988-07-21 1989-07-21 光学非相反装置
SG134294A SG134294G (en) 1988-07-21 1994-09-21 Optical nonreciprocal device
HK123294A HK123294A (en) 1988-07-21 1994-11-10 Optical nonreciprocal device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/222,597 US4974944A (en) 1988-07-21 1988-07-21 Optical nonreciprocal device
SG134294A SG134294G (en) 1988-07-21 1994-09-21 Optical nonreciprocal device

Publications (1)

Publication Number Publication Date
SG134294G true SG134294G (en) 1995-03-17

Family

ID=26664343

Family Applications (1)

Application Number Title Priority Date Filing Date
SG134294A SG134294G (en) 1988-07-21 1994-09-21 Optical nonreciprocal device

Country Status (6)

Country Link
US (2) US4974944A (ja)
EP (1) EP0352002B1 (ja)
JP (1) JP2983553B2 (ja)
DE (1) DE68911780T2 (ja)
HK (1) HK123294A (ja)
SG (1) SG134294G (ja)

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US4974944A (en) * 1988-07-21 1990-12-04 Hewlett-Packard Company Optical nonreciprocal device
US5111330A (en) * 1989-08-14 1992-05-05 Optics For Research Optical isolators employing wavelength tuning
WO1992015040A1 (fr) 1991-02-20 1992-09-03 Sumitomo Electric Industries, Ltd. Isolateur optique
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US5428477A (en) * 1991-06-14 1995-06-27 Tokin Corporation Optical isolator operating independent of polarization of an incident beam
JP3160319B2 (ja) * 1991-07-25 2001-04-25 株式会社信光社 光アイソレータ
US5631771A (en) * 1991-09-19 1997-05-20 Lucent Technologies Inc. Optical isolator with polarization dispersion and differential transverse deflection correction
JPH05196890A (ja) * 1992-01-22 1993-08-06 Nec Corp 光アイソレータ
JPH063622A (ja) * 1992-06-19 1994-01-14 Mitsubishi Gas Chem Co Inc 偏波無依存型光アイソレータ
US5400418A (en) * 1992-12-04 1995-03-21 Williams Telecommunication Group, Inc. Polarization independent all-fiber optical circulator
US5319483A (en) * 1992-12-04 1994-06-07 Williams Telecommunications Group, Inc. Polarization independent low cross-talk optical circulator
WO1994015243A1 (en) * 1992-12-22 1994-07-07 Telstra Corporation Limited An optical isolator
JPH08505961A (ja) * 1993-01-21 1996-06-25 イー−テック・ダイナミックス・インコーポレイテッド 偏光モード分散の低い光学装置
JP3112212B2 (ja) * 1993-02-17 2000-11-27 住友電気工業株式会社 光アイソレータ
JPH07104225A (ja) * 1993-10-05 1995-04-21 Mitsubishi Gas Chem Co Inc ファラデー回転子
JPH07104224A (ja) * 1993-10-07 1995-04-21 Mitsubishi Gas Chem Co Inc 非相反光デバイス
US5499307A (en) * 1993-10-13 1996-03-12 Tdk Corporation Optical isolator and polarization splitter therefor
US5602673A (en) * 1993-12-29 1997-02-11 Lucent Technologies Inc. Optical isolator without polarization mode dispersion
US5471340A (en) * 1994-01-07 1995-11-28 Jds Fitel Inc. Reflective optical non-reciprocal devices
EP0707230B1 (en) * 1994-10-11 2001-03-07 Sumitomo Electric Industries, Ltd Optical isolator
JP3193945B2 (ja) * 1995-03-17 2001-07-30 松下電器産業株式会社 磁気光学素子及び光磁界センサ
CA2148317C (en) * 1995-05-01 1998-05-05 Yihao Cheng Optical circulator
US5729377A (en) * 1995-12-26 1998-03-17 Lucent Technologies, Inc. Optical apparatus
US5808793A (en) * 1996-01-17 1998-09-15 Hewlett-Packard Company Low-cost compact optical isolators
US5825950A (en) * 1996-05-13 1998-10-20 Jds Fitel Inc. Optical isolator
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US6014254A (en) * 1997-02-24 2000-01-11 Cheng; Yihao Optical device for splitting an input beam into two orthogonal polarization states
US6026202A (en) * 1997-02-25 2000-02-15 Hewlett-Packard Company Compact, low crosstalk, three-port optical circulator
US5930418A (en) * 1997-02-25 1999-07-27 Hewlett-Packard Company Optical assembly and method based on TEC fibres
US6088153A (en) * 1997-06-26 2000-07-11 Scientific-Atlanta, Inc. Multi-functional optical isolator
US5991076A (en) * 1997-07-18 1999-11-23 Cheng; Yihao Optical circulator
US6014256A (en) * 1997-07-18 2000-01-11 Cheng; Yihao Polarizing beam splitter/combiner
US6239900B1 (en) 1997-09-19 2001-05-29 Nz Applied Technologies Corp. Reflective fiber-optic isolator
US5974206A (en) * 1997-12-19 1999-10-26 Northern Telecom Limited Dispersion compensation with low polarization mode dispersion
JP3779054B2 (ja) 1998-01-23 2006-05-24 富士通株式会社 可変光学フィルタ
JP3638777B2 (ja) 1998-02-04 2005-04-13 富士通株式会社 利得等化のための方法並びに該方法の実施に使用する装置及びシステム
JP3737628B2 (ja) 1998-03-20 2006-01-18 富士通株式会社 利得等価器及び光増幅器
US6075642A (en) * 1998-06-18 2000-06-13 Hewlett-Packard Company Multi-port optical isolator
US6956988B2 (en) * 1998-08-21 2005-10-18 Avanex Corporation Optical interleaver
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
US6002512A (en) * 1998-10-20 1999-12-14 Lucent Technologies, Inc. Optical circulator using latchable garnet
US6289152B1 (en) 1998-10-27 2001-09-11 Adc Telecommunications, Inc. Multiple port, fiber optic coupling device
US6167174A (en) * 1998-10-27 2000-12-26 Adc Telecommunications, Inc. Multiple port, fiber optic isolator
US6078716A (en) 1999-03-23 2000-06-20 E-Tek Dynamics, Inc. Thermally expanded multiple core fiber
US6246518B1 (en) 1999-03-25 2001-06-12 E-Tek Dynamics, Inc. Reflection type optical isolator
US6374009B1 (en) 1999-05-10 2002-04-16 Jds Uniphase Corporation TEMC fiber based optical switch
JP2001075063A (ja) * 1999-09-02 2001-03-23 Fujitsu Ltd ファラデー回転子
US6445499B1 (en) * 1999-12-31 2002-09-03 Jds Uniphase Corporation Optical circulators
US6288826B1 (en) * 2000-01-05 2001-09-11 Jds Uniphase Inc. Multi-stage optical isolator
JP4593712B2 (ja) * 2000-02-03 2010-12-08 京セラ株式会社 無偏波分散型光モジュール、光アイソレータ及び光サーキュレータ
US7173762B2 (en) * 2000-10-13 2007-02-06 Finisar Corporation Optical isolator with reduced insertion loss and minimized polarization mode dispersion
US7023618B2 (en) * 2000-12-12 2006-04-04 Finisar Corporation Dual-stage optical isolator minimized polarization mode dispersion and simplified fabrication process
US6952300B2 (en) * 2001-02-28 2005-10-04 Board Of Control Of Michigan Technological University Magneto-photonic crystal isolators
AU2002303178A1 (en) * 2001-03-30 2002-10-15 Corning Incorporated Optical interleaver with passive thermal effect compensation
US6711310B2 (en) * 2001-04-02 2004-03-23 Jds Uniphase Corporation High power fiber isolator
JP2003057597A (ja) * 2001-08-10 2003-02-26 Fdk Corp 偏波合成光アイソレータ
US7878272B2 (en) * 2008-03-04 2011-02-01 Smith International, Inc. Forced balanced system
JP5205602B2 (ja) * 2009-09-24 2013-06-05 株式会社エス・エム・エムプレシジョン インライン光アイソレータ
JP5643936B2 (ja) * 2011-06-29 2014-12-24 フルウチ化学株式会社 コリメータおよびコリメータ付き光アイソレータ
CN105319740A (zh) * 2014-07-29 2016-02-10 河南省鑫宇光实业有限公司 制作长波长光隔离器的原理及采用该原理的长波长隔离器

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Also Published As

Publication number Publication date
EP0352002A2 (en) 1990-01-24
US5446578A (en) 1995-08-29
HK123294A (en) 1994-11-18
JPH0268515A (ja) 1990-03-08
EP0352002A3 (en) 1990-09-12
US4974944A (en) 1990-12-04
DE68911780T2 (de) 1994-06-30
EP0352002B1 (en) 1993-12-29
JP2983553B2 (ja) 1999-11-29
DE68911780D1 (de) 1994-02-10

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