FR2741494B1 - Procede et appareil pour brouiller la polarisation de lumieres de signal formant une lumiere de signal multiplexee par repartition en longueurs d'onde - Google Patents

Procede et appareil pour brouiller la polarisation de lumieres de signal formant une lumiere de signal multiplexee par repartition en longueurs d'onde

Info

Publication number
FR2741494B1
FR2741494B1 FR9613876A FR9613876A FR2741494B1 FR 2741494 B1 FR2741494 B1 FR 2741494B1 FR 9613876 A FR9613876 A FR 9613876A FR 9613876 A FR9613876 A FR 9613876A FR 2741494 B1 FR2741494 B1 FR 2741494B1
Authority
FR
France
Prior art keywords
blurring
polarization
wavelength
division multiplexed
signal light
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
FR9613876A
Other languages
English (en)
Other versions
FR2741494A1 (fr
Inventor
Kazue Otsuka
Hiroshi Onaka
Takafumi Terahara
Takao Naito
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of FR2741494A1 publication Critical patent/FR2741494A1/fr
Application granted granted Critical
Publication of FR2741494B1 publication Critical patent/FR2741494B1/fr
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
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
    • H04B10/2543—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to fibre non-linearities, e.g. Kerr effect
    • H04B10/2557—Cross-phase modulation [XPM]
    • 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
    • H04B10/2543—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to fibre non-linearities, e.g. Kerr effect
    • H04B10/2563—Four-wave mixing [FWM]
    • 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
    • H04B10/50—Transmitters
    • H04B10/516—Details of coding or modulation
    • H04B10/532—Polarisation modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/03—WDM arrangements
    • H04J14/0307—Multiplexers; Demultiplexers
    • 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
    • G02B6/2753—Optical coupling means with polarisation selective and adjusting means characterised by their function or use, i.e. of the complete device
    • G02B6/2786—Reducing the polarisation degree, i.e. depolarisers, scramblers, unpolarised output
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/06—Polarisation multiplex systems

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Nonlinear Science (AREA)
  • Optical Communication System (AREA)
FR9613876A 1995-11-17 1996-11-14 Procede et appareil pour brouiller la polarisation de lumieres de signal formant une lumiere de signal multiplexee par repartition en longueurs d'onde Expired - Fee Related FR2741494B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP30030395A JP3751667B2 (ja) 1995-11-17 1995-11-17 偏波スクランブル式波長多重信号伝送方法

Publications (2)

Publication Number Publication Date
FR2741494A1 FR2741494A1 (fr) 1997-05-23
FR2741494B1 true FR2741494B1 (fr) 2003-06-20

Family

ID=17883165

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9613876A Expired - Fee Related FR2741494B1 (fr) 1995-11-17 1996-11-14 Procede et appareil pour brouiller la polarisation de lumieres de signal formant une lumiere de signal multiplexee par repartition en longueurs d'onde

Country Status (4)

Country Link
US (1) US5841557A (fr)
JP (1) JP3751667B2 (fr)
FR (1) FR2741494B1 (fr)
GB (1) GB2307368B (fr)

Families Citing this family (72)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1093164A (ja) 1996-09-17 1998-04-10 Kokusai Denshin Denwa Co Ltd <Kdd> 多波長光源及び離散波長可変光源
US7054559B1 (en) * 1997-09-04 2006-05-30 Mci Communications Corporation Method and system for modular multiplexing and amplification in a multi-channel plan
US6285477B1 (en) * 1997-09-17 2001-09-04 Kokusai Denshin Denwa Kabushiki Kaisha Multi-wavelength light source and discrete-wavelength-variable light source
JP3939003B2 (ja) 1998-02-20 2007-06-27 富士通株式会社 同期偏波スクランブラを用いた光通信システム及び光受信装置
US6411413B1 (en) * 1998-02-26 2002-06-25 Tycom (Us) Inc. Method and apparatus for performing dispersion compensation without a change in polarization and a transmitter incorporating same
US6134033A (en) * 1998-02-26 2000-10-17 Tyco Submarine Systems Ltd. Method and apparatus for improving spectral efficiency in wavelength division multiplexed transmission systems
US6118563A (en) * 1998-03-25 2000-09-12 Corning Incorporated Methods and apparatus for reducing four-wave mixing
US6400478B1 (en) 1998-04-02 2002-06-04 Sorrento Networks, Inc. Wavelength-division-multiplexed optical transmission system with expanded bidirectional transmission capacity over a single fiber
US6236480B1 (en) * 1998-05-01 2001-05-22 Dogan A. Atlas System and method for reducing Raman cross-talk in a DWDM transport system
JP3567763B2 (ja) * 1998-06-12 2004-09-22 Ｋｄｄｉ株式会社 光送信装置
US6381048B1 (en) * 1998-09-15 2002-04-30 Lucent Technologies Inc. Wavelength division multiplexed system having reduced cross-phase modulation
IL128503A (en) * 1999-02-11 2003-07-06 Eci Telecom Ltd Wdm multiplexer
US6459515B1 (en) * 1999-03-12 2002-10-01 Tyco Telecommunications (Us) Inc. Method and apparatus for transmitting a WDM optical signal having states of polarization that are pairwise orthogonal
US6567196B1 (en) * 1999-03-22 2003-05-20 Ciena Corporation Dense WDM optical multiplexer and demultiplexer
US6563614B1 (en) * 1999-05-21 2003-05-13 Corvis Corporation Optical transmission system and amplifier control apparatuses and methods
JP3440886B2 (ja) 1999-06-16 2003-08-25 日本電気株式会社 波長多重光伝送システム
JP2001077754A (ja) * 1999-09-01 2001-03-23 Fujitsu Ltd 光分岐装置および光分岐・挿入装置
KR100325687B1 (ko) 1999-12-21 2002-02-25 윤덕용 주입된 비간섭성 광에 파장 잠김된 페브리-페롯 레이저다이오드를 이용한 파장분할 다중방식 광통신용 광원
US6580535B1 (en) 1999-12-28 2003-06-17 Telefonaktiebolaget Lm Ericsson (Publ) Polarization division multiplexing in optical data transmission systems
DE10003398A1 (de) * 2000-01-27 2001-08-02 Alcatel Sa Verfahren zur Verbesserung der Signalqualität von optischen Signalen, Übertragungssystem sowie Sender
US6459830B1 (en) * 2000-02-08 2002-10-01 Sprint Communications Company L.P. Method and apparatus to compensate for polarization mode dispersion
AU2001275859A1 (en) * 2000-07-10 2002-01-21 Lo, Victor Yeeman A system and method for increasing channel capacity of fiber-optic communication networks
JP3514220B2 (ja) * 2000-08-02 2004-03-31 日本電気株式会社 波長分割多重伝送システム、及びこの波長分割多重伝送システムにおけるチャネルの増設方法
US7076169B2 (en) * 2000-09-26 2006-07-11 Celight, Inc. System and method for orthogonal frequency division multiplexed optical communication
US6571032B1 (en) * 2000-11-06 2003-05-27 Tyco Telecommunications (Us) Inc. Apparatus and method for multiplexing and/or demultiplexing optical signals having substantially equal dispersion
US7206517B1 (en) * 2001-03-16 2007-04-17 University Of Southern California (La) Monitoring and in-line compensation of polarization dependent loss for lightwave systems
US7495765B2 (en) * 2001-05-17 2009-02-24 Thorlabs Gmbh Fiber polarimeter, the use thereof, as well as polarimetric method
US6816260B2 (en) * 2001-05-17 2004-11-09 Thorlabs Gmbh Fiber polarimeter, the use thereof, as well as polarimetric method
US7202996B2 (en) * 2001-08-16 2007-04-10 Telefonaktiebolaget Lm Ericsson (Publ) Optical amplifier
JP2003060576A (ja) * 2001-08-22 2003-02-28 Nec Corp 偏波スクランブラユニット及びこれを用いた多中継伝送システム
US6907195B2 (en) * 2001-08-28 2005-06-14 Dorsal Networks, Inc. Terminals having sub-band substitute signal control in optical communication systems
US7206510B2 (en) * 2001-10-09 2007-04-17 Nippon Telegraph And Telephone Corporation Ring network using multi-wavelength generator
JP2003158488A (ja) * 2001-11-20 2003-05-30 Fujitsu Ltd 偏波スクランブルにより光信号を伝送する方法及び装置
US6871023B2 (en) * 2001-12-03 2005-03-22 The Boeing Company Spread polarization transmitter and associated system and method of operation
US7319822B2 (en) * 2001-12-20 2008-01-15 Victor Yeeman Lo System and method of space-time equalization to mitigate effects of fading and scintillation for wireless communication
JP4082049B2 (ja) * 2002-03-12 2008-04-30 富士通株式会社 光送信装置
JP3985571B2 (ja) * 2002-04-08 2007-10-03 住友電気工業株式会社 光分波器および光伝送システム
US6904238B2 (en) * 2002-10-09 2005-06-07 Agilent Technologies, Inc. System and method for measuring polarization dependent gain of an optical amplifier
US7466478B2 (en) * 2002-12-19 2008-12-16 Fujitsu Limited Optical-level control method, optical-level control apparatus and wavelength-multiplexing optical network
US20040231779A1 (en) * 2003-05-20 2004-11-25 Jean-Claude Girard Method and apparatus for tread belt assembly
KR100955129B1 (ko) 2003-05-30 2010-04-28 정보통신연구진흥원 비간섭성　광대역　광원을 이용한 파장분할다중방식　수동형　광 네트워크 구현 방법
US7519295B2 (en) * 2003-10-30 2009-04-14 Tyco Telecommunications (Us) Inc. Apparatus and method for commissioning an optical transmission system
US7283752B2 (en) * 2004-03-31 2007-10-16 Lucent Technologies Inc. Method and apparatus for PMD/PDL/PDG mitigation
EP1598962B1 (fr) * 2004-05-19 2009-04-15 Alcatel Lucent Méthode d'opération d'un système par transmission et réception optique de polarisation bit-à-bit entrelacée
KR100698766B1 (ko) 2005-09-07 2007-03-23 한국과학기술원 파장분할 다중방식 수동형 광 가입자 망 시스템에 사용되는장애 위치 감시 장치 및 이를 구비한 파장분할 다중방식수동형 광 가입자 망 시스템
KR100785436B1 (ko) 2005-09-20 2007-12-13 한국과학기술원 방송 서비스와 통신 서비스를 융합한 파장분할 다중방식수동형 광 가입자망
US7787765B2 (en) * 2005-12-21 2010-08-31 International Business Machines Corporation Method and apparatus device for initializing an end-to-end link in a fiber optic communications system
US7826745B2 (en) * 2005-12-21 2010-11-02 International Business Machines Corporation Open fiber control and loss of light propagation in time division multiplexed inter-system channel link
EP1811695A1 (fr) * 2006-01-20 2007-07-25 Alcatel Lucent Régénérateur de signal optique et système de transmission
GB2436408A (en) * 2006-03-21 2007-09-26 Azea Networks Ltd Depolarising a WDM signal by passing it through a differential group delay element
US7271948B1 (en) * 2006-12-19 2007-09-18 General Instrument Corporation Method and apparatus for reducing crosstalk and nonlinear distortions induced by raman interactions in a wavelength division mulitplexed (WDM) optical communication system
US8571410B2 (en) * 2006-10-11 2013-10-29 Novera Optics, Inc. Mutual wavelength locking in WDM-PONS
US7920795B2 (en) * 2007-04-05 2011-04-05 General Instrument Corporation Method and apparatus for transmitting multiple channels in a wavelength division multiplexed (WDM) optical communication system with reduced raman crosstalk and nonlinear distortions
EP2153554B1 (fr) 2007-05-24 2013-03-27 Telefonaktiebolaget LM Ericsson (publ) Émetteur optique, réseau optique et procédé de compensation de dispersion de mode de polarisation
EP2007037A1 (fr) * 2007-06-21 2008-12-24 Acreo AB Schéma de modulation à polarisation pour suppression intra-canal non linéaire
JP5018453B2 (ja) * 2007-12-19 2012-09-05 富士通株式会社 波長多重伝送システム
JP5141498B2 (ja) * 2008-10-30 2013-02-13 富士通株式会社 光送受信システム，光送信器，光受信器および光送受信方法
JP5350284B2 (ja) * 2010-01-28 2013-11-27 株式会社日立製作所 光送受信システム及び光受信機
JP5549333B2 (ja) 2010-04-07 2014-07-16 富士通株式会社 偏波変動補償装置および光通信システム
JP5614126B2 (ja) * 2010-06-28 2014-10-29 富士通株式会社 伝送装置及び伝送システム
JP5716300B2 (ja) * 2010-06-30 2015-05-13 富士通株式会社 光伝送システム
US8705167B2 (en) * 2010-08-25 2014-04-22 Fujitsu Limited System and method for compensating for polarization dependent loss
US8571417B2 (en) * 2011-04-13 2013-10-29 Cisco Technology, Inc. System and method for mitigating four-wave-mixing effects
JP5887729B2 (ja) 2011-06-28 2016-03-16 富士通株式会社 光伝送システム、光送信装置および光受信装置
EP2963846B1 (fr) * 2013-02-26 2019-08-07 Nec Corporation Dispositif et procédé d'émission optique avec multiplexage par répartition en longueur d'onde
US9112609B2 (en) * 2013-06-10 2015-08-18 Fujitsu Limited Mitigation of polarization dependent loss in optical multi-carrier/super-channel transmission
US9316846B2 (en) * 2013-07-11 2016-04-19 Edmund L. Wolak Systems and methods to provide high brightness diode laser outputs
US20150117856A1 (en) * 2013-10-30 2015-04-30 Fujitsu Limited System and method for monitoring power imbalance induced by polarization-dependent loss
US9705598B2 (en) * 2014-04-03 2017-07-11 Commscope, Inc. Of North Carolina Methods and systems for reducing optical beat interference via polarization diversity in FTTx networks
WO2015170558A1 (fr) 2014-05-08 2015-11-12 三菱電機株式会社 Procédé et système de transmission optique
US9577780B2 (en) * 2014-06-26 2017-02-21 Luxtera, Inc. Method and system for a polarization immune wavelength division multiplexing demultiplexer
CN114257303B (zh) * 2021-12-10 2023-10-03 武汉邮电科学研究院有限公司 一种抑制光纤通信非线性效应的方法和系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1250199B (it) * 1991-07-04 1995-04-03 Cselt Centro Studi Lab Telecom Sistema di comunicazione ottica coerente a modulazione di frequenza con variazione continua della polarizzazione
US5345331A (en) * 1993-04-13 1994-09-06 At&T Bell Laboratories Technique for reducing polarization dependent gain in an amplified optical transmission system
GB2281670B (en) * 1993-09-01 1998-01-28 Northern Telecom Ltd WDM optical communication system
US5657151A (en) * 1993-12-09 1997-08-12 Lucent Technologies Inc. Polarization scrambler/modulator
FR2717331B1 (fr) * 1994-02-18 1996-04-05 Cit Alcatel Système de communication optique à brouilleur de polarisation.
CA2164352A1 (fr) * 1994-12-14 1996-06-15 Neal S. Bergano Modulation de la polarisation dans les systemes de transmission a multiplexage optique
CA2164355C (fr) * 1994-12-14 2000-12-19 Neal S. Bergano Modulation de la polarisation a commande dynamique dans les systemes de transmission a multiplexage optique

Also Published As

Publication number Publication date
GB2307368A (en) 1997-05-21
US5841557A (en) 1998-11-24
GB2307368B (en) 2000-12-27
FR2741494A1 (fr) 1997-05-23
JP3751667B2 (ja) 2006-03-01
GB9623503D0 (en) 1997-01-08
JPH09149006A (ja) 1997-06-06

Similar Documents

Publication Publication Date Title
FR2741494B1 (fr) Procede et appareil pour brouiller la polarisation de lumieres de signal formant une lumiere de signal multiplexee par repartition en longueurs d&#39;onde
DE69619426D1 (de) Bilderzeugungsgerät
DE69622538D1 (de) Bilderzeugungsgerät
DE69620845D1 (de) Bilderzeugungsgerät
ITMI942583A0 (it) Metodo per stampare direttamente su carta microincisioni di ologrammi chinogrammi reticoli di diffrazione o microincisioni producenti altri effetti ottici
DE69617828D1 (de) Bilderzeugungsgerät
FR2738926B1 (fr) Module modulateur de lumiere et procede pour fabriquer un tel module
DE69638350D1 (de) Bilderzeugungsgerät
DE69631494D1 (de) Bilderzeugungsgerät
IT1283892B1 (it) Apparecchio di formazione di immagini
DE69617139D1 (de) Bilderzeugungsgerät
GB2303714B (en) Apparatus for improving the optical intensity induced damage limit of optical quality crystals
DE69637776D1 (de) Bilderzeugungsgerät
FR2732335B1 (fr) Procede de stabilisation de boues
DE69637819D1 (de) Bilderzeugungsgerät
DE69637004D1 (de) Bilderzeugungsgerät
DE69624622D1 (de) Bilderzeugungsgerät
FR2747254B1 (fr) Appareil et procede de multiplexage optique d&#39;extension-branchement
FR2738174B1 (fr) Appareil et procede de microfinition d&#39;une surface
DE19680959D2 (de) Vorrichtung zur Entwässerung von Feststoff-Flüssigkeitssuspensionen
DE69619601D1 (de) Bilderzeugungsgerät
NO993807D0 (no) Fremgangsmåte og apparatur for fremstilling av hydrolepater av krill
DE69624654D1 (de) Bilderzeugungsgerät
DE69618312D1 (de) Bilderzeugungsgerät
DE69636241D1 (de) Bilderzeugungsgerät

Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20080930