CN1918829B - 光网络和用于它的放大器节点 - Google Patents

光网络和用于它的放大器节点 Download PDF

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Publication number
CN1918829B
CN1918829B CN2004800315133A CN200480031513A CN1918829B CN 1918829 B CN1918829 B CN 1918829B CN 2004800315133 A CN2004800315133 A CN 2004800315133A CN 200480031513 A CN200480031513 A CN 200480031513A CN 1918829 B CN1918829 B CN 1918829B
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CN
China
Prior art keywords
amplifier
channel
wavelength
optical
node
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
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CN2004800315133A
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English (en)
Chinese (zh)
Other versions
CN1918829A (zh
Inventor
S·佩格
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Ericsson AB
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Ericsson AB
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Publication date
Application filed by Ericsson AB filed Critical Ericsson AB
Publication of CN1918829A publication Critical patent/CN1918829A/zh
Application granted granted Critical
Publication of CN1918829B publication Critical patent/CN1918829B/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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
    • 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
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
    • H04B10/0775—Performance monitoring and measurement of transmission parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • 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
    • H04J14/02216—Power control, e.g. to keep the total optical power constant by gain equalization
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2210/00—Indexing scheme relating to optical transmission systems
    • H04B2210/07—Monitoring an optical transmission system using a supervisory signal
    • H04B2210/078—Monitoring an optical transmission system using a supervisory signal using a separate wavelength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2210/00—Indexing scheme relating to optical transmission systems
    • H04B2210/25—Distortion or dispersion compensation
    • H04B2210/258—Distortion or dispersion compensation treating each wavelength or wavelength band separately

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)
  • Glass Compositions (AREA)
CN2004800315133A 2003-10-25 2004-10-22 光网络和用于它的放大器节点 Expired - Fee Related CN1918829B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10349891.5 2003-10-25
DE10349891A DE10349891A1 (de) 2003-10-25 2003-10-25 Optisches Netzwerk und Verstärkerknoten dafür
PCT/EP2004/052641 WO2005041451A1 (en) 2003-10-25 2004-10-22 Optical network and amplifier node therefore

Publications (2)

Publication Number Publication Date
CN1918829A CN1918829A (zh) 2007-02-21
CN1918829B true CN1918829B (zh) 2010-12-29

Family

ID=34485062

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2004800315133A Expired - Fee Related CN1918829B (zh) 2003-10-25 2004-10-22 光网络和用于它的放大器节点

Country Status (7)

Country Link
US (1) US7831148B2 (enExample)
EP (1) EP1687918B1 (enExample)
JP (1) JP4607892B2 (enExample)
CN (1) CN1918829B (enExample)
AT (1) ATE361598T1 (enExample)
DE (2) DE10349891A1 (enExample)
WO (1) WO2005041451A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8891957B2 (en) * 2011-07-13 2014-11-18 Tyco Electronics Subsea Communications Llc Method and system for fault recovery in an optical network
US10341039B1 (en) * 2016-12-28 2019-07-02 Juniper Networks, Inc. Methods and apparatus for separating the wavelength switching function from the channel equalization function in a reconfigurable optical add/drop multiplexer (ROADM)
CN119519883A (zh) * 2024-10-29 2025-02-25 浙江海数科技有限公司 利用波分复用技术的异地通信平台

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020110318A1 (en) * 1998-09-25 2002-08-15 Weiti Wu All fiber gain flattening optical filter
WO2002091027A2 (en) * 2001-05-09 2002-11-14 Ciena Corporation Method and system for controlling amplifier power in an optical communications network having add/drop capability
CN1314036C (zh) * 2004-01-15 2007-05-02 华硕电脑股份有限公司 可减少托盘水平偏摆的方法及光驱

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5532864A (en) * 1995-06-01 1996-07-02 Ciena Corporation Optical monitoring channel for wavelength division multiplexed optical communication system
JP4036489B2 (ja) * 1995-08-23 2008-01-23 富士通株式会社 波長多重信号を光増幅する光増幅器を制御するための方法と装置
KR100219719B1 (ko) * 1997-07-15 1999-09-01 윤종용 감시가능한 파장분할다중화 광증폭기 제어시스템 및 그 제어방법
US6381049B1 (en) * 1997-12-15 2002-04-30 Ditech Corporation Multi-port optical multiplexer element
FR2776440A1 (fr) * 1998-03-17 1999-09-24 Nec Corp Circuit de derivation optique de signal de supervision, repeteur d'amplification optique et systeme de supervision
US6057959A (en) * 1998-05-22 2000-05-02 Ciena Corporation Optical amplifier having substantially uniform spectral gain
US6411407B1 (en) * 1998-09-17 2002-06-25 Alcatel Method for providing a bidirectional optical supervisory channel
JP3670156B2 (ja) * 1999-03-18 2005-07-13 富士通株式会社 監視光信号を伝送するための方法、装置及びシステム
US6885824B1 (en) * 2000-03-03 2005-04-26 Optical Coating Laboratory, Inc. Expandable optical array
GB2362525B (en) * 2000-05-18 2002-07-24 Marconi Comm Ltd Radiation power equalization in wavelength division multiplexing (WDM) optical communication system
US6766113B1 (en) * 2000-06-16 2004-07-20 Lucent Technologies Inc. Control channel processor and switching mechanism
US6623185B1 (en) * 2000-06-16 2003-09-23 Lucent Technologies Inc. Loss of signal detector for low-level optical signals
JP4481540B2 (ja) * 2001-12-07 2010-06-16 富士通株式会社 光増幅器
FR2838190B1 (fr) * 2002-04-08 2004-10-15 Cit Alcatel Dispositif de mesure et/ou de controle dynamique de perte de puissance dans une ligne de transmission optique a canal de supervision, et procede associe
DE10335419A1 (de) * 2003-08-02 2005-02-17 Marconi Communications Gmbh Wellenlängenselektive optische Signalverarbeitungsvorrichtung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020110318A1 (en) * 1998-09-25 2002-08-15 Weiti Wu All fiber gain flattening optical filter
WO2002091027A2 (en) * 2001-05-09 2002-11-14 Ciena Corporation Method and system for controlling amplifier power in an optical communications network having add/drop capability
CN1314036C (zh) * 2004-01-15 2007-05-02 华硕电脑股份有限公司 可减少托盘水平偏摆的方法及光驱

Also Published As

Publication number Publication date
WO2005041451A1 (en) 2005-05-06
EP1687918B1 (en) 2007-05-02
US7831148B2 (en) 2010-11-09
ATE361598T1 (de) 2007-05-15
JP4607892B2 (ja) 2011-01-05
DE602004006298T2 (de) 2007-12-27
DE602004006298D1 (de) 2007-06-14
US20070274723A1 (en) 2007-11-29
EP1687918A1 (en) 2006-08-09
DE10349891A1 (de) 2005-05-25
JP2007509555A (ja) 2007-04-12
CN1918829A (zh) 2007-02-21

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
ASS Succession or assignment of patent right

Owner name: L.M. ERICSSON CO., LTD.

Free format text: FORMER OWNER: MARCONI COMM GMBH

Effective date: 20071123

C41 Transfer of patent application or patent right or utility model
TA01 Transfer of patent application right

Effective date of registration: 20071123

Address after: Stockholm

Applicant after: Erisson

Address before: German buchnan

Applicant before: Marconi Comm GmbH

C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101229

Termination date: 20161022