HK1054135A1 - Optical transmission systems using optical amplifiers and wavelength division multiplexing - Google Patents

Optical transmission systems using optical amplifiers and wavelength division multiplexing

Info

Publication number
HK1054135A1
HK1054135A1 HK03106274A HK03106274A HK1054135A1 HK 1054135 A1 HK1054135 A1 HK 1054135A1 HK 03106274 A HK03106274 A HK 03106274A HK 03106274 A HK03106274 A HK 03106274A HK 1054135 A1 HK1054135 A1 HK 1054135A1
Authority
HK
Hong Kong
Prior art keywords
optical
division multiplexing
wavelength division
transmission systems
path
Prior art date
Application number
HK03106274A
Other languages
English (en)
Inventor
Kim Byron Roberts
Gregory Dean May
Maruice Stephen O'sullivan
Original Assignee
Nortel Networks 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 Nortel Networks Ltd filed Critical Nortel Networks Ltd
Publication of HK1054135A1 publication Critical patent/HK1054135A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0287—Protection in WDM systems
    • H04J14/0289—Optical multiplex section protection
    • H04J14/0291—Shared protection at the optical multiplex section (1:1, n:m)
    • 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
    • H04B10/03—Arrangements for fault recovery
    • H04B10/032—Arrangements for fault recovery using working and protection systems
    • 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
    • H04B10/2589—Bidirectional transmission
    • 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
    • H04B10/297—Bidirectional amplification
    • H04B10/2972—Each direction being amplified separately
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0221—Power control, e.g. to keep the total optical power constant
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H04J14/0241—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0278—WDM optical network architectures
    • H04J14/0279—WDM point-to-point architectures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0278—WDM optical network architectures
    • H04J14/0283—WDM ring architectures

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)
HK03106274A 1996-06-25 2003-09-03 Optical transmission systems using optical amplifiers and wavelength division multiplexing HK1054135A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/669,929 US5801858A (en) 1996-06-25 1996-06-25 Optical transmission systems using optical amplifiers and wavelength division multiplexing
PCT/CA1996/000810 WO1997050203A1 (fr) 1996-06-25 1996-12-04 Systemes de transmissions optiques recourant a des amplificateurs optiques et au multiplexage par division de frequences

Publications (1)

Publication Number Publication Date
HK1054135A1 true HK1054135A1 (en) 2003-11-14

Family

ID=24688312

Family Applications (1)

Application Number Title Priority Date Filing Date
HK03106274A HK1054135A1 (en) 1996-06-25 2003-09-03 Optical transmission systems using optical amplifiers and wavelength division multiplexing

Country Status (9)

Country Link
US (3) US5801858A (fr)
EP (2) EP1296470B1 (fr)
JP (1) JP3544210B2 (fr)
CN (2) CN1149773C (fr)
AU (1) AU710472B2 (fr)
CA (1) CA2257495C (fr)
DE (2) DE69630812T2 (fr)
HK (1) HK1054135A1 (fr)
WO (1) WO1997050203A1 (fr)

Families Citing this family (76)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08248455A (ja) * 1995-03-09 1996-09-27 Fujitsu Ltd 波長多重用光増幅器
US6369938B1 (en) * 1996-05-28 2002-04-09 Fujitsu Limited Multi-wavelength light amplifier
US5801858A (en) * 1996-06-25 1998-09-01 Northern Telecom Limited Optical transmission systems using optical amplifiers and wavelength division multiplexing
US6483803B1 (en) * 1996-09-04 2002-11-19 Nortel Networks Limited Apparatus and method for restoring fiber optic communications network connections
JPH10173264A (ja) * 1996-12-09 1998-06-26 Kokusai Denshin Denwa Co Ltd <Kdd> 利得等化装置
JP3080219B2 (ja) * 1997-01-17 2000-08-21 日本電気株式会社 波長多重方法、波長多重伝送システム及び光パスクロスコネクトシステム
US6049417A (en) * 1997-06-02 2000-04-11 Lucent Technologies Inc. Wide band optical amplifier
GB2327546A (en) * 1997-07-18 1999-01-27 Northern Telecom Ltd Optical frequency channel assignment plan and filtering technique to support it
BR9811116A (pt) * 1997-08-01 2000-07-18 Pirelli Cavi E Sistemi Spa Sistema de comunicação ótica, amplificador de linha ótica, e, processo para transmitir sinais óticos
US6631018B1 (en) 1997-08-27 2003-10-07 Nortel Networks Limited WDM optical network with passive pass-through at each node
US7054559B1 (en) * 1997-09-04 2006-05-30 Mci Communications Corporation Method and system for modular multiplexing and amplification in a multi-channel plan
KR19990034429A (ko) * 1997-10-29 1999-05-15 유기범 아이솔레이터를 이용한 양방향 광섬유증폭기
US6243179B1 (en) * 1997-10-31 2001-06-05 Agere Systems Optoelectronics Guardian Corp. Banded add drop device
JPH11177493A (ja) * 1997-12-16 1999-07-02 Sumitomo Electric Ind Ltd 分散補償回路
US6602002B1 (en) * 1998-02-20 2003-08-05 Lucent Technologies Inc. High capacity optical transmission arrangement
CA2300941A1 (fr) * 1998-02-20 1999-08-26 Brian L. Lawrence Liaison de communication a multiplexage en longueur d'onde dense a fenetres multiples avec amplification optique et compensation de dispersion
US6104527A (en) * 1998-02-20 2000-08-15 Afc Technologies Inc. High efficiency bandwidth doubled and gain flattened silica fiber amplifier
US6496300B2 (en) 1998-02-27 2002-12-17 Fujitsu Limited Optical amplifier
US6441955B1 (en) 1998-02-27 2002-08-27 Fujitsu Limited Light wavelength-multiplexing systems
US6603596B2 (en) * 1998-03-19 2003-08-05 Fujitsu Limited Gain and signal level adjustments of cascaded optical amplifiers
CA2319044A1 (fr) * 1998-03-25 1999-10-21 John E. Bowerman Reseau de transmission optique dote d'un amplificateur a gain divise et d'un dispositif de modification du signal
US6169616B1 (en) * 1998-06-04 2001-01-02 Avanex Corporation Optical and programmable fiber optic wavelength add/drop system
US6166850A (en) * 1998-11-04 2000-12-26 Nortel Networks Limited Optical amplifier gain control
US6211978B1 (en) 1999-02-10 2001-04-03 Anacom Systems, Inc. Multi-channel wave division multiplexer system
FR2790160B1 (fr) * 1999-02-19 2001-05-04 Cit Alcatel Systeme de transmission regenere wdm
US6661973B1 (en) * 1999-06-04 2003-12-09 David R. Huber Optical transmission systems, apparatuses, and methods
US6587241B1 (en) * 1999-08-20 2003-07-01 Corvis Corporation Optical protection methods, systems, and apparatuses
US6885824B1 (en) 2000-03-03 2005-04-26 Optical Coating Laboratory, Inc. Expandable optical array
DE19945143A1 (de) * 1999-09-21 2001-04-12 Siemens Ag Optisches Übertragungssystem
JP2001102666A (ja) * 1999-09-28 2001-04-13 Fujitsu Ltd 光増幅器
US6307668B1 (en) 1999-10-04 2001-10-23 Optigain, Inc. Ultra-wide bandwidth fiber based optical amplifier
US6353497B1 (en) 2000-03-03 2002-03-05 Optical Coating Laboratory, Inc. Integrated modular optical amplifier
JP2002158636A (ja) * 2000-03-29 2002-05-31 Hitachi Ltd 光伝送装置およびその監視システム
TW463474B (en) * 2000-04-29 2001-11-11 Browave Corp Structure of bi-direction wavelength optical module
KR100506308B1 (ko) * 2000-05-03 2005-08-05 삼성전자주식회사 양방향 패스 스위칭 파장분할다중화 링 구조
US6459528B1 (en) * 2000-05-23 2002-10-01 Avanex Corporation Optical passive components and bi-directional amplifier
US6243177B1 (en) 2000-10-03 2001-06-05 Seneca Networks, Inc. Bidirectional WDM optical communication system with bidirectional add-drop multiplexing
US6608709B2 (en) 2000-10-03 2003-08-19 Gary Duerksen Bidirectional WDM optical communication system with bidirectional add-drop multiplexing
KR100342426B1 (ko) * 2000-10-04 2002-07-03 윤덕용 파장분할 다중방식 환형 광통신망의 장애수리후 복귀방법
DE10055103A1 (de) * 2000-11-07 2002-05-08 Daimler Chrysler Ag Verfahren zum Betrieb eines Datennetzes
US6433924B1 (en) 2000-11-14 2002-08-13 Optical Coating Laboratory, Inc. Wavelength-selective optical amplifier
US6560257B1 (en) 2000-11-28 2003-05-06 Harris Corporation Low power laser driver
US6980747B1 (en) 2000-11-28 2005-12-27 Harris Corporation Optically amplified receiver
US6542277B2 (en) 2000-12-11 2003-04-01 Harris Corporation Optically amplified back-up receiver
KR100411734B1 (ko) * 2001-02-12 2003-12-18 한국과학기술원 양방향 파장분할 다중방식 애드/드롭 자기치유 환형메트로망
US6333798B1 (en) 2001-02-13 2001-12-25 Seneca Networks, Inc. Bidirectional WDM optical communication network
US6748179B2 (en) 2001-03-07 2004-06-08 Harris Corporation WDM channel monitoring system and method
US6388805B1 (en) 2001-03-28 2002-05-14 Sycamore Networks, Inc. Two fiber support with single optical amplifier
KR100378111B1 (ko) * 2001-04-02 2003-03-29 삼성전자주식회사 광증폭기 및 이를 이용한 양방향 파장분할 다중 광통신시스템
US20020163685A1 (en) * 2001-05-01 2002-11-07 Swanson Eric Arthur System and method for routing working and protect paths
US7769290B2 (en) * 2001-06-25 2010-08-03 Broadwing Corporation Optical transmission systems, devices, and methods
US6927898B2 (en) * 2001-08-15 2005-08-09 Photon-X, Llc Ultra-wide bandwidth optical amplifier
FR2830333B1 (fr) * 2001-10-01 2004-04-09 Cit Alcatel Systeme optique directionnel re-configurable
US7167648B2 (en) * 2001-10-24 2007-01-23 Innovative Fiber Optic Solutions, Llc System and method for an ethernet optical area network
JP3831227B2 (ja) * 2001-10-30 2006-10-11 三菱電機株式会社 一芯双方向伝送装置
US6995900B2 (en) * 2003-01-21 2006-02-07 Jds Uniphase Corporation Method of making a short-pass fiber with controlled cut-off wavelength
US6970631B2 (en) 2002-06-05 2005-11-29 Lightwave Electronics Suppression of cladding mode loss in fiber amplifiers with distributed suppression of amplified spontaneous emission (ASE)
US6909538B2 (en) 2002-03-08 2005-06-21 Lightwave Electronics Fiber amplifiers with depressed cladding and their uses in Er-doped fiber amplifiers for the S-band
WO2004019458A2 (fr) * 2002-08-20 2004-03-04 Red Sky Systems, Inc. Procede et appareil de partage de l'energie de pompage d'un agencement a une seule pompe vers des fibres optiques placees dans differentes paires de fibres
US7239268B1 (en) * 2002-09-05 2007-07-03 The United States Of America As Represented By The Secretary Of The Army Method and apparatus for minimizing the number of power amplifiers required under multiple transmission conditions
KR100450925B1 (ko) * 2002-09-18 2004-10-02 삼성전자주식회사 파장분할다중 광통신 시스템의 광원 발생장치
US6922502B2 (en) * 2003-03-25 2005-07-26 Lucent Technologies Inc. Optical filtering method and apparatus
JP4089504B2 (ja) * 2003-05-14 2008-05-28 日本電気株式会社 一芯双方向光伝送システム及び一芯双方向光増幅器並びにその方法
GB2416258B (en) * 2004-07-13 2008-10-15 Agilent Technologies Inc Optical fibre data transmission
US7512343B2 (en) * 2004-07-27 2009-03-31 Ciena Corporation Bidirectional communication system
US20070003283A1 (en) * 2005-06-29 2007-01-04 At&T Corp. Dynamic allocation of bandwidth in a bidirectional optical transmission system
US7680417B2 (en) * 2005-12-28 2010-03-16 Intel Corporation Bi-directional parallel optical link
US8467688B2 (en) * 2006-01-19 2013-06-18 Ciena Corporation Telecommunications transport methods and systems for extended reach low differential latency
DE102006010147A1 (de) * 2006-03-06 2007-09-13 Siemens Ag Bidirektionale optische Verstärkeranordnung
JP5086334B2 (ja) * 2006-03-31 2012-11-28 ブリティッシュ・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 光ネットワークにアウトステーションを取り入れる方法およびアウトステーション
JP4941379B2 (ja) * 2008-03-28 2012-05-30 住友電気工業株式会社 局側装置、その制御方法およびそのコンピュータ・プログラム
JP5994508B2 (ja) * 2012-09-18 2016-09-21 富士通株式会社 送信装置、通信システム、及び送信レベルの制御方法
EP3355490B1 (fr) * 2017-01-31 2020-05-06 Nokia Solutions and Networks Oy Transmission de signal optique à travers des fibres optiques utilisant à la fois les modes de co-propagation et de contre-propagation
PL428292A1 (pl) * 2018-12-20 2020-06-29 Dawis It Spółka Z Ograniczoną Odpowiedzialnością Sposób oraz system transmisyjny do ulepszonej jednokierunkowej lub dwukierunkowej transmisji danych w sieci telekomunikacyjnej, układ atraktora polaryzacji, program komputerowy oraz produkt w postaci programu komputerowego
US11835767B2 (en) * 2022-03-04 2023-12-05 Alpine Optoelectronics Inc. Optical subassembly for bidirectional WDM application
CN117691444A (zh) * 2024-02-04 2024-03-12 中国工程物理研究院激光聚变研究中心 一种多级复用的窄线宽光纤激光器预放大结构

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4007097A1 (de) * 1990-03-07 1991-09-19 Daimler Benz Ag Optisches kommunikationssystem
DE59208529D1 (de) * 1991-02-11 1997-07-03 Sel Alcatel Ag Optisches Nachrichtenübertragungssystem für den Teilnehmeranschlussbereich mit optischen Verstärkern
US5430568A (en) * 1992-12-01 1995-07-04 Scientific-Atlanta, Inc. Optical communications system for transmitting information signals having different wavelengths over a same optical fiber
US5280549A (en) * 1993-02-05 1994-01-18 National Research Council Of Canada Frequency dependent optical isolator
GB9305977D0 (en) * 1993-03-23 1993-05-12 Northern Telecom Ltd Transmission system incorporating optical amplifiers
US5548438A (en) * 1993-12-23 1996-08-20 At&T Corp. Bidirectional optical amplifier
US5452124A (en) * 1994-03-04 1995-09-19 Williams Telecommunications Group, Inc. Unidirectional amplification for bi-directional transmission using wavelength-division multiplexing
US5633741A (en) * 1995-02-23 1997-05-27 Lucent Technologies Inc. Multichannel optical fiber communications
DE19518294C1 (de) * 1995-05-18 1996-10-02 Bosch Gmbh Robert Optische Verstärkeranordnung
US5801858A (en) * 1996-06-25 1998-09-01 Northern Telecom Limited Optical transmission systems using optical amplifiers and wavelength division multiplexing

Also Published As

Publication number Publication date
JPH11514180A (ja) 1999-11-30
DE69630812D1 (de) 2003-12-24
US5801858A (en) 1998-09-01
CN1228220A (zh) 1999-09-08
EP0908034A1 (fr) 1999-04-14
US6067179A (en) 2000-05-23
AU7689096A (en) 1998-01-14
CA2257495A1 (fr) 1997-12-31
DE69636554T2 (de) 2007-09-13
CN1149773C (zh) 2004-05-12
CN100431289C (zh) 2008-11-05
DE69630812T2 (de) 2004-04-15
CA2257495C (fr) 2000-10-03
JP3544210B2 (ja) 2004-07-21
CN1501618A (zh) 2004-06-02
US6101016A (en) 2000-08-08
EP0908034B1 (fr) 2003-11-19
EP1296470A3 (fr) 2005-04-06
EP1296470B1 (fr) 2006-09-13
DE69636554D1 (de) 2006-10-26
AU710472B2 (en) 1999-09-23
WO1997050203A1 (fr) 1997-12-31
EP1296470A2 (fr) 2003-03-26

Similar Documents

Publication Publication Date Title
HK1054135A1 (en) Optical transmission systems using optical amplifiers and wavelength division multiplexing
AU1620095A (en) Amplified telecommunication system for wavelength-division multiplexing transmissions
CA2254544A1 (fr) Methode et systeme de commande d&#39;amplification optique en transmission optique avec mode de multiplexage par repartition en longueur d&#39;onde
EP0242802A3 (fr) Système de transmission de multiplexage de longueurs d&#39;onde optique avec un filtre optique pour bruit d&#39;émission spontannée
DE69528400D1 (de) Übertragungsverfahren und optische Verbindung mit spektraler Multiplexierung und Verstärkung
EP0910184A3 (fr) Amplificateur optique et système de communication optique utilisant l&#39;amplificateur optique
CA2123145A1 (fr) Reseau a fibres optiques de grande capacite
EP0777346A3 (fr) Amplificateur optique et système de communication optique l&#39;utilisant
CA2132559A1 (fr) Multiplexage optique a grande densite
EP0297504A3 (fr) Emetteur pour signaux optiques multiplexés en longueur d&#39;onde
CA2235480A1 (fr) Systeme de transmission a amplificateurs de signal optique
GB2306763B (en) Optical amplifier for wavelength division multiplexed signals
CA2243096A1 (fr) Systeme et methode de commande pour amplificateur a multiplexage optique
WO2002009299A3 (fr) Procede et dispositif pour accroitre la distance de transmission optique a l&#39;aide de multiples preaccentuations dans un systeme dwdm amplifie optiquement
WO1998036294A3 (fr) Accord en longueur d&#39;onde de la pompe d&#39;amplificateurs optiques et mise en oeuvre de ce procede dans des systemes multiplexes en longueur d&#39;onde
EP0844752A2 (fr) Système de transmission optique à compensation automatique de dispersion
AU2002352406A1 (en) Noise reduction in optical communications networks
US7295779B2 (en) Wavelength division-multiplexing optical transmission system
KR100328128B1 (ko) 파장분할다중 광전송시스템에서 광전력 증폭기의 동적이득제어장치
EP0966118A3 (fr) Egaliseur optique de gain et ligne de transmission à fibres optiques
EP1148361A3 (fr) Branchement optique pour système de communication optique
EP0848514A3 (fr) Emetteur pour signaux optiques multiplexés en longueur d&#39;onde capable de supprimer la dégradation du rapport signal/bruit (SN)
EP1130823A4 (fr) Amplificateur optique et systeme de communication optique a multiplexage en longueur d&#39;onde
CA2203751A1 (fr) Coupleur de guide de lumiere pour la transmission bidirectionnelle et l&#39;echantillonnage de signaux a deux longueurs d&#39;onde et methode de fabrication de ce coupleur
FR2784825B1 (fr) Egalisation de puissance dans un systeme de transmission a multiplexage en longueur d&#39;onde presentant une pluralite d&#39;amplificateurs

Legal Events

Date Code Title Description
PE Patent expired

Effective date: 20161203