DE69126913D1 - Optisches Logikgatter von Sagnac-Typ - Google Patents

Optisches Logikgatter von Sagnac-Typ

Info

Publication number
DE69126913D1
DE69126913D1 DE69126913T DE69126913T DE69126913D1 DE 69126913 D1 DE69126913 D1 DE 69126913D1 DE 69126913 T DE69126913 T DE 69126913T DE 69126913 T DE69126913 T DE 69126913T DE 69126913 D1 DE69126913 D1 DE 69126913D1
Authority
DE
Germany
Prior art keywords
sagnac
type optical
logic gate
optical logic
gate
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
DE69126913T
Other languages
English (en)
Other versions
DE69126913T2 (de
Inventor
M Christina Gabriel
Henry H Houh
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
Application granted granted Critical
Publication of DE69126913D1 publication Critical patent/DE69126913D1/de
Publication of DE69126913T2 publication Critical patent/DE69126913T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
    • H01S3/0057—Temporal shaping, e.g. pulse compression, frequency chirping
    • 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
    • G02F1/35—Non-linear optics
    • G02F1/3515—All-optical modulation, gating, switching, e.g. control of a light beam by another light beam
    • G02F1/3517—All-optical modulation, gating, switching, e.g. control of a light beam by another light beam using an interferometer
    • G02F1/3519—All-optical modulation, gating, switching, e.g. control of a light beam by another light beam using an interferometer of Sagnac type, i.e. nonlinear optical loop mirror [NOLM]
    • 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
    • G02F3/00—Optical logic elements; Optical bistable devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0075—Arrangements for synchronising receiver with transmitter with photonic or optical means

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
DE69126913T 1990-05-10 1991-05-03 Optisches Logikgatter von Sagnac-Typ Expired - Fee Related DE69126913T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/521,774 US5144375A (en) 1990-05-10 1990-05-10 Sagnac optical logic gate

Publications (2)

Publication Number Publication Date
DE69126913D1 true DE69126913D1 (de) 1997-08-28
DE69126913T2 DE69126913T2 (de) 1998-02-12

Family

ID=24078094

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69126913T Expired - Fee Related DE69126913T2 (de) 1990-05-10 1991-05-03 Optisches Logikgatter von Sagnac-Typ

Country Status (4)

Country Link
US (1) US5144375A (de)
EP (1) EP0456422B1 (de)
JP (1) JP2628804B2 (de)
DE (1) DE69126913T2 (de)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993003406A1 (en) * 1991-08-09 1993-02-18 Australian And Overseas Telecommunications Corporation Limited Sagnac loop gates
US5208705A (en) * 1991-11-05 1993-05-04 At&T Bell Laboratories Optical linear feedback shift register
EP0541300A3 (en) * 1991-11-05 1993-09-08 American Telephone And Telegraph Company Optical crossbar exchange arrangement
US5369520A (en) * 1992-05-22 1994-11-29 At&T Corp. Optical regeneration circuit
JP3421341B2 (ja) * 1992-09-08 2003-06-30 ブリテイッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニー 非線形半導体光学装置
US5309267A (en) * 1992-09-25 1994-05-03 At&T Bell Laboratories Optical communication system using a Sagnac switch
US5295010A (en) * 1992-10-02 1994-03-15 The Regents Of The University Of Colorado Amplifying and synchronizing signals in optical computing system
US5329393A (en) * 1992-10-15 1994-07-12 At&T Bell Laboratories Optical Nyquist rate multiplexer and demultiplexer
US5408351A (en) * 1992-10-15 1995-04-18 At&T Corp. Optical communication system
DE4238103A1 (de) * 1992-11-12 1994-05-19 Sel Alcatel Ag Optischer Schalter
EP0635739B1 (de) * 1993-07-21 2000-03-22 AT&T Corp. Verbesserter Faserschleifenreflektor zum Zeitdemultiplexen
EP0637182A3 (de) * 1993-07-30 1995-11-29 At & T Corp Selbstleitweglenkender optischer Kommunikationsknoten und Verwendung von Sagnac Gattern.
US5386729A (en) * 1993-09-22 1995-02-07 The Babcock & Wilcox Company Temperature compensated microbend fiber optic differential pressure transducer
JPH07168217A (ja) * 1993-12-16 1995-07-04 Nec Corp 光／光 ２×２ スイッチ
US5493433A (en) * 1994-03-02 1996-02-20 Trustees Of Princeton University Terahertz optical asymmetric demultiplexer
US5604618A (en) * 1994-10-12 1997-02-18 Nippon Telegraph And Telephone Corporation Optical parametric circuit and optical circuit using the same
DE69616211T2 (de) * 1995-03-15 2002-06-27 Koninkl Philips Electronics Nv Einheit zur modulation einer optischen pulsreihe in übereinstimmung mit einem datensignal
EP0760112A1 (de) * 1995-03-15 1997-03-05 Koninklijke Philips Electronics N.V. Optischer schalter
FR2738927B1 (fr) * 1995-09-14 1997-10-17 Alcatel Nv Doubleur tout optique
US5655039A (en) * 1995-12-22 1997-08-05 Corning, Inc. Nonlinear optical loop mirror device including dispersion decreasing fiber
US5822471A (en) * 1997-06-27 1998-10-13 Elsicon, Inc. Differential optical modulator
US5999292A (en) * 1998-02-20 1999-12-07 The United States Of America As Represented By The Secretary Of The Navy Sagnac interferometer amplitude modulator based demultiplexer
US6393167B1 (en) * 1998-07-31 2002-05-21 Monica K. Davis Fast, environmentally-stable fiber switches using a Sagnac interferometer
US6389195B1 (en) * 1999-09-08 2002-05-14 Trw Inc. Dynamic fiber loop-mirror filter based on pump-induced saturable gain or saturable absorber gratings
US6693732B2 (en) 2001-02-09 2004-02-17 Nortel Networks Limited Optical sampler based on stable, non-absorbing optical hard limiters
US20020154350A1 (en) * 2001-02-09 2002-10-24 Johnson Erik V. Optical logic devices based on stable, non-absorbing optical hard limiters
US6636337B2 (en) 2001-02-09 2003-10-21 Nortel Networks Limited Optical switching device based on stable, non-absorbing optical hard limiters
US6674559B2 (en) 2001-02-09 2004-01-06 Nortel Networks Limited Optical automatic gain control based on stable, non-absorbing optical hard limiters
US6516106B2 (en) 2001-02-09 2003-02-04 Nortel Networks Limited Subtracting analog noise from an optical communication channel using stable, non-absorbing optical hard limiters
US7518796B2 (en) * 2001-02-09 2009-04-14 Nortel Networks Limited Optical device having nonmonotonic transfer function and applications using same
US6671426B2 (en) * 2001-03-19 2003-12-30 General Instrument Corporation Monolithic integrated terahertz optical asymmetric demultiplexer
US6819819B2 (en) * 2002-01-08 2004-11-16 Ping Zhou Method and apparatus for optical communication
US7606450B2 (en) * 2004-08-30 2009-10-20 Poovey Gary N Light activated optical switch that includes a piezoelectric element and a conductive layer
US7532786B2 (en) 2004-08-30 2009-05-12 Poovey Gary N Light activated optical switch that includes a piezoelectric element with layers of piezoelectric material having different piezoelectric characteristics
US20070206897A1 (en) * 2006-03-03 2007-09-06 Dr. Shaowen Song N-nary optical semiconductor transistor and an optical AND gate
US7231109B1 (en) 2006-05-28 2007-06-12 Alan Huang Ultrafast optical communications system with multiplexer and demultiplexer
US20100104242A1 (en) * 2007-04-12 2010-04-29 Poovey Gary N Light activated optical switch that includes a piezoelectric element and a conductive layer
KR101487809B1 (ko) * 2007-04-12 2015-01-29 갈트로닉스 옵티칼 리미티드 광 스위치 및 광 스위치를 이용한 논리 게이트
US7644227B1 (en) 2007-05-31 2010-01-05 Alan Huang Circulating first-in-first-out buffer
WO2009106145A1 (en) * 2008-02-29 2009-09-03 Telefonaktiebolaget Lm Ericsson (Publ) Optical signal processing
CN102340093A (zh) * 2010-07-27 2012-02-01 清华大学 光纤锁模激光器

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2253296A1 (en) * 1973-11-29 1975-06-27 Comp Generale Electricite Laser pulse generating device - produces pulses of duration 60-400 picoseconds having a determined form
US4856092A (en) * 1984-11-24 1989-08-08 Plessey Overseas Limited Optical pulse generating arrangements
JPS61156232A (ja) * 1984-12-28 1986-07-15 Nippon Telegr & Teleph Corp <Ntt> 光サンプリング方法および装置
JPS62133788A (ja) * 1985-12-06 1987-06-16 Nec Corp 遅延レ−ザパルス発生装置
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
JPS63271313A (ja) * 1987-04-30 1988-11-09 Nikon Corp 偏光器
GB8728854D0 (en) * 1987-12-10 1988-01-27 British Telecomm Optical device
US4995690A (en) * 1989-04-24 1991-02-26 Islam Mohammed N Modulation instability-based fiber interferometric switch
GB9006675D0 (en) * 1990-03-26 1990-05-23 British Telecomm Optical apparatus
JPH1150121A (ja) * 1997-07-29 1999-02-23 Kawasaki Steel Corp スラグフォーミングの抑止方法

Also Published As

Publication number Publication date
DE69126913T2 (de) 1998-02-12
EP0456422A2 (de) 1991-11-13
JP2628804B2 (ja) 1997-07-09
EP0456422A3 (en) 1993-04-14
JPH04229836A (ja) 1992-08-19
EP0456422B1 (de) 1997-07-23
US5144375A (en) 1992-09-01

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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