DE69227980T2 - Optisches Kreislauf-Schieberegister - Google Patents

Optisches Kreislauf-Schieberegister

Info

Publication number
DE69227980T2
DE69227980T2 DE69227980T DE69227980T DE69227980T2 DE 69227980 T2 DE69227980 T2 DE 69227980T2 DE 69227980 T DE69227980 T DE 69227980T DE 69227980 T DE69227980 T DE 69227980T DE 69227980 T2 DE69227980 T2 DE 69227980T2
Authority
DE
Germany
Prior art keywords
shift register
optical circuit
circuit shift
optical
register
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
DE69227980T
Other languages
English (en)
Other versions
DE69227980D1 (de
Inventor
Hercules Avramopoulos
M Christina Gabriel
Alan Huang
Norman Ashton Whitaker
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.)
AT&T Corp
Original Assignee
AT&T 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 AT&T Corp filed Critical AT&T Corp
Publication of DE69227980D1 publication Critical patent/DE69227980D1/de
Application granted granted Critical
Publication of DE69227980T2 publication Critical patent/DE69227980T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C21/00—Digital stores in which the information circulates continuously
    • 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
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G02B6/2821—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals
    • G02B6/2843—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals the couplers having polarisation maintaining or holding properties

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)
DE69227980T 1991-11-05 1992-10-30 Optisches Kreislauf-Schieberegister Expired - Fee Related DE69227980T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/787,988 US5155779A (en) 1991-11-05 1991-11-05 Optical circulating shift register

Publications (2)

Publication Number Publication Date
DE69227980D1 DE69227980D1 (de) 1999-02-04
DE69227980T2 true DE69227980T2 (de) 1999-07-22

Family

ID=25143105

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69227980T Expired - Fee Related DE69227980T2 (de) 1991-11-05 1992-10-30 Optisches Kreislauf-Schieberegister

Country Status (4)

Country Link
US (1) US5155779A (de)
EP (1) EP0541303B1 (de)
JP (1) JPH087358B2 (de)
DE (1) DE69227980T2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4238103A1 (de) * 1992-11-12 1994-05-19 Sel Alcatel Ag Optischer Schalter
EP0637182A3 (de) * 1993-07-30 1995-11-29 At & T Corp Selbstleitweglenkender optischer Kommunikationsknoten und Verwendung von Sagnac Gattern.
US5495362A (en) * 1994-04-13 1996-02-27 Ando Electric Co., Ltd. Photoperiodic circuit amplification control apparatus
US5854868A (en) * 1994-06-22 1998-12-29 Fujitsu Limited Optical device and light waveguide integrated circuit
EP1315006A1 (de) * 1994-06-22 2003-05-28 Fujitsu Limited Verfahren zur Herstellung von Wellenleitersystemen, dessen Verwendung in optischem Bauelement und Koppler sowie optisches Netzwerk und optische Leiterplatte
JPH0832162A (ja) * 1994-07-15 1996-02-02 Sumitomo Electric Ind Ltd 光増幅器
EP0760174B1 (de) * 1995-03-15 2001-10-24 Koninklijke Philips Electronics N.V. Einheit zur modulation einer optischen pulsreihe in übereinstimmung mit einem datensignal
US5689441A (en) * 1995-03-24 1997-11-18 Lucent Technologies Inc. Signal processing techniques based upon optical devices
JPH09116490A (ja) * 1995-10-16 1997-05-02 Fujitsu Ltd 光多重システム用分岐装置
GB9806283D0 (en) * 1998-03-24 1998-05-20 British Telecomm Parity determining apparatus
KR100277696B1 (ko) 1998-11-23 2001-01-15 정선종 시간 상관을 이용한 광펄스열의 주기 조절장치
EP1328077B1 (de) 2002-01-10 2006-06-14 Nippon Telegraph and Telephone Corporation Optischer Impulsfolgengenerator
US7110154B2 (en) * 2004-06-10 2006-09-19 Clemson University Plasmon-photon coupled optical devices
US7644227B1 (en) 2007-05-31 2010-01-05 Alan Huang Circulating first-in-first-out buffer
US8559287B1 (en) * 2007-07-17 2013-10-15 Marvell International Ltd. Method and system for fault protection using a linear feedback shift register
US20120075682A1 (en) * 2009-12-17 2012-03-29 Richard Louis Amoroso Spacetime energy resonator: a transistor of complex dirac polarized vacuum topology
EP2492773A1 (de) * 2011-02-24 2012-08-29 Telefonaktiebolaget L M Ericsson (PUBL) Optische lineare Rückkopplungsschaltung

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4511207A (en) * 1981-11-19 1985-04-16 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic data distributor
GB2191357B (en) * 1986-06-07 1990-04-25 Stc Plc Optical switching
CA1298112C (en) * 1986-10-20 1992-03-31 Nicholas John Doran Optical device
JPH0769549B2 (ja) * 1987-10-22 1995-07-31 国際電信電話株式会社 光駆動形スイッチ
GB8728854D0 (en) * 1987-12-10 1988-01-27 British Telecomm Optical device
US4898468A (en) * 1988-06-20 1990-02-06 Mcdonnell Douglas Corporation Sagnac distributed sensor
US4923267A (en) * 1988-12-05 1990-05-08 Gte Laboratories Incorporated Optical fiber shift register
US5032010A (en) * 1988-12-19 1991-07-16 Gte Laboratories Incorporated Optical serial-to-parallel converter
GB8829546D0 (en) * 1988-12-19 1989-02-08 British Telecomm Non-linear interferometer
US4961621A (en) * 1988-12-22 1990-10-09 Gte Laboratories, Inc. Optical parallel-to-serial converter
US4995690A (en) * 1989-04-24 1991-02-26 Islam Mohammed N Modulation instability-based fiber interferometric switch
US5046848A (en) * 1989-09-08 1991-09-10 Mcdonnell Douglas Corporation Fiber optic detection system using a Sagnac interferometer
US5078464A (en) * 1990-11-07 1992-01-07 At&T Bell Laboratories Optical logic device

Also Published As

Publication number Publication date
DE69227980D1 (de) 1999-02-04
JPH0675264A (ja) 1994-03-18
US5155779A (en) 1992-10-13
EP0541303A2 (de) 1993-05-12
EP0541303A3 (en) 1993-11-24
EP0541303B1 (de) 1998-12-23
JPH087358B2 (ja) 1996-01-29

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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