DE69527320T2 - Optischer Regenerator und optisches Übertragungssystem - Google Patents

Optischer Regenerator und optisches Übertragungssystem

Info

Publication number
DE69527320T2
DE69527320T2 DE69527320T DE69527320T DE69527320T2 DE 69527320 T2 DE69527320 T2 DE 69527320T2 DE 69527320 T DE69527320 T DE 69527320T DE 69527320 T DE69527320 T DE 69527320T DE 69527320 T2 DE69527320 T2 DE 69527320T2
Authority
DE
Germany
Prior art keywords
optical
transmission system
regenerator
optical transmission
optical regenerator
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
DE69527320T
Other languages
English (en)
Other versions
DE69527320D1 (de
Inventor
Ryoji Takeyari
Takashi Funada
Yukihiko Wakai
Kazuo Hagimoto
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.)
Hitachi Ltd
Nippon Telegraph and Telephone Corp
Original Assignee
Hitachi Ltd
Nippon Telegraph and Telephone 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 Hitachi Ltd, Nippon Telegraph and Telephone Corp filed Critical Hitachi Ltd
Publication of DE69527320D1 publication Critical patent/DE69527320D1/de
Application granted granted Critical
Publication of DE69527320T2 publication Critical patent/DE69527320T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/299—Signal waveform processing, e.g. reshaping or retiming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
    • H04B10/2537—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to scattering processes, e.g. Raman or Brillouin scattering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/29—Repeaters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/027—Speed or phase control by the received code signals, the signals containing no special synchronisation information extracting the synchronising or clock signal from the received signal spectrum, e.g. by using a resonant or bandpass circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Dc Digital Transmission (AREA)
DE69527320T 1994-02-07 1995-02-06 Optischer Regenerator und optisches Übertragungssystem Expired - Fee Related DE69527320T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP01330794A JP3434869B2 (ja) 1994-02-07 1994-02-07 光再生中継器および光伝送装置

Publications (2)

Publication Number Publication Date
DE69527320D1 DE69527320D1 (de) 2002-08-14
DE69527320T2 true DE69527320T2 (de) 2003-04-03

Family

ID=11829530

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69527320T Expired - Fee Related DE69527320T2 (de) 1994-02-07 1995-02-06 Optischer Regenerator und optisches Übertragungssystem

Country Status (5)

Country Link
US (2) US5576876A (de)
EP (1) EP0666658B1 (de)
JP (1) JP3434869B2 (de)
CA (1) CA2141351C (de)
DE (1) DE69527320T2 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2738431B1 (fr) * 1995-09-01 1997-11-21 Thomine Jean Baptiste Systeme pour la transmission, notamment longue distance, d'impulsions rz par une ligne optique amplifiee
DE19649085A1 (de) * 1996-11-27 1998-05-28 Alsthom Cge Alcatel Sende-/Empfangseinrichtung und Verfahren zum Übertragen von breitbandigen Signalen sowie Sende-/Empfangseinrichtung zum Empfang von breitbandigen Signalen
JP3443534B2 (ja) * 1998-12-17 2003-09-02 日本電信電話株式会社 原子周波数標準レーザパルス発振器
JP2000299525A (ja) * 1999-04-13 2000-10-24 Sumitomo Electric Ind Ltd 光送信器および光通信システム
JP3707955B2 (ja) * 1999-05-10 2005-10-19 平河ヒューテック株式会社 Ｗｄｍ光伝送システム
US6476953B1 (en) 1999-08-18 2002-11-05 Fujitsu Network Communications, Inc. Wavelength preserving regenerator for DWDM transmission systems
US7120359B2 (en) 2000-05-22 2006-10-10 Opvista Incorporated Broadcast and select all optical network
US7499647B2 (en) 2000-05-22 2009-03-03 Opvista Incorporated Fully protected broadcast and select all optical network
US7024112B2 (en) * 2000-09-11 2006-04-04 Opvista Incorporated In-band wavelength conversion wavelength buffering and multi-protocol lambda switching
EP1389830A1 (de) * 2002-08-16 2004-02-18 Thomson Licensing S.A. Vorrichtung zum demodulieren von IR-Koden, und Verfahren dazu
EP1396931A1 (de) * 2002-08-16 2004-03-10 Thomson Licensing S.A. Modulator und Sender für IR Kodes , und verfahren dazu
US7171116B2 (en) * 2002-09-17 2007-01-30 Lucent Technologies Inc. Provisionable keep-alive signal for physical-layer protection of an optical network
US7146110B2 (en) 2003-02-11 2006-12-05 Optium Corporation Optical transmitter with SBS suppression
WO2006002080A2 (en) 2004-06-15 2006-01-05 Opvista Incorporated Optical communication using duobinary modulation
WO2007044939A2 (en) 2005-10-13 2007-04-19 Opvista Incorporated Optical ring networks using circulating optical probe in protection switching with automatic reversion
GB0618021D0 (en) * 2006-09-11 2006-10-18 Qinetiq Ltd Optical clock
JP4795465B2 (ja) * 2007-03-27 2011-10-19 富士通株式会社 光通信基地局、光信号変換装置及び光信号変換方法
US7773883B1 (en) 2007-05-04 2010-08-10 Vello Systems, Inc. Single-fiber optical ring networks based on optical double sideband modulation
US8175458B2 (en) 2007-07-17 2012-05-08 Vello Systems, Inc. Optical ring networks having node-to-node optical communication channels for carrying data traffic
CN101364844B (zh) * 2007-08-10 2011-03-30 华为技术有限公司 在无源光网络中实现拉远传输数据的装置
CN101364843B (zh) * 2007-08-10 2012-05-23 华为技术有限公司 在无源光网络中实现拉远传输数据的方法及装置
EP2252919B1 (de) * 2008-03-10 2013-05-08 QinetiQ Limited Optische uhr
CN101729154B (zh) * 2008-11-03 2012-04-18 华为技术有限公司 实现lr-pon的方法、装置及系统
US20110158658A1 (en) 2009-12-08 2011-06-30 Vello Systems, Inc. Optical Subchannel-Based Cyclical Filter Architecture
US8705741B2 (en) 2010-02-22 2014-04-22 Vello Systems, Inc. Subchannel security at the optical layer
US8542999B2 (en) 2011-02-01 2013-09-24 Vello Systems, Inc. Minimizing bandwidth narrowing penalties in a wavelength selective switch optical network
EP3507925B1 (de) * 2016-08-30 2024-03-13 Finisar Corporation Bidirektionaler sende-empfänger mit zeitsynchronisation

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57194653A (en) * 1981-05-27 1982-11-30 Nec Corp Reproducing repeater
GB2151884B (en) * 1983-12-16 1987-05-13 Standard Telephones Cables Ltd Timing extraction
JP2661438B2 (ja) * 1991-09-24 1997-10-08 日本電気株式会社 光再生中継器
US5392147A (en) * 1991-10-21 1995-02-21 Nec Corporation Optical trunk transmission system and an optical repeater circuit
US5369520A (en) * 1992-05-22 1994-11-29 At&T Corp. Optical regeneration circuit
JPH06209293A (ja) * 1992-07-31 1994-07-26 American Teleph & Telegr Co <Att> 光伝送システムにおける変調装置

Also Published As

Publication number Publication date
DE69527320D1 (de) 2002-08-14
US5576876A (en) 1996-11-19
JPH07221704A (ja) 1995-08-18
CA2141351C (en) 1999-07-13
EP0666658A1 (de) 1995-08-09
US5838475A (en) 1998-11-17
EP0666658B1 (de) 2002-07-10
CA2141351A1 (en) 1995-08-08
JP3434869B2 (ja) 2003-08-11

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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