ATE237891T1 - Wegüberwachung in optischen übertragungssystemen - Google Patents

Wegüberwachung in optischen übertragungssystemen

Info

Publication number
ATE237891T1
ATE237891T1 AT99941522T AT99941522T ATE237891T1 AT E237891 T1 ATE237891 T1 AT E237891T1 AT 99941522 T AT99941522 T AT 99941522T AT 99941522 T AT99941522 T AT 99941522T AT E237891 T1 ATE237891 T1 AT E237891T1
Authority
AT
Austria
Prior art keywords
amplifier
line
modulated
optical
pump laser
Prior art date
Application number
AT99941522T
Other languages
English (en)
Inventor
Fredrik Liden
Johan Sandell
Sven Wingstrand
Magnus Oeberg
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE237891T1 publication Critical patent/ATE237891T1/de

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
    • 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
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission 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
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/2912—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing
    • 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
    • H04B10/293—Signal power control
    • H04B10/2933—Signal power control considering the whole optical path
    • 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
    • H04J14/029—Dedicated protection at the optical multiplex section (1+1)
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Semiconductor Lasers (AREA)
AT99941522T 1998-08-14 1999-08-05 Wegüberwachung in optischen übertragungssystemen ATE237891T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP98115350A EP0981212A1 (de) 1998-08-14 1998-08-14 Wegüberwachung in optischen Übertragungssystemen
PCT/EP1999/005671 WO2000010268A1 (en) 1998-08-14 1999-08-05 Path monitoring in optical communication systems

Publications (1)

Publication Number Publication Date
ATE237891T1 true ATE237891T1 (de) 2003-05-15

Family

ID=8232462

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99941522T ATE237891T1 (de) 1998-08-14 1999-08-05 Wegüberwachung in optischen übertragungssystemen

Country Status (9)

Country Link
US (1) US6654513B1 (de)
EP (2) EP0981212A1 (de)
JP (1) JP2002523921A (de)
CN (1) CN1157010C (de)
AT (1) ATE237891T1 (de)
AU (1) AU5510499A (de)
CA (1) CA2340436A1 (de)
DE (1) DE69906988T2 (de)
WO (1) WO2000010268A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7039319B1 (en) * 2001-08-07 2006-05-02 Cisco Technology, Inc. DWDM laser frequency control
EP1453226B1 (de) * 2001-12-03 2012-02-01 Fujitsu Limited Optisches kommunikationssystem
DE10246612A1 (de) 2002-10-07 2004-04-15 Marconi Communications Gmbh Optisches Nachrichten verarbeitendes System, Komponenten und Betriebsverfahren dafür
EP1610475B1 (de) * 2003-03-28 2008-12-24 Fujitsu Limited Auswahldetektionssystem für optische übertragungswege
US6980357B2 (en) * 2004-02-13 2005-12-27 General Instrument Corporation Optical amplifier apparatus and method
JP2006157245A (ja) * 2004-11-26 2006-06-15 Pioneer Electronic Corp 信号送受信装置及び信号送受信方法
US7356228B1 (en) * 2007-01-12 2008-04-08 International Business Machines Corporation Fiber optic cable systems and methods incorporating a luminescent compound-containing layer to identify cracks
JP5050931B2 (ja) 2008-03-04 2012-10-17 日本電気株式会社 光伝送システム、光伝送システムで用いられる光送受信装置、及び端末側送受信装置、並びに光伝送方法
JP5482128B2 (ja) 2009-11-16 2014-04-23 富士通株式会社 光通信ネットワークおよび監視制御装置
US9209895B2 (en) * 2013-04-28 2015-12-08 Eci Telecom Ltd. Method of carrying out fast switching in optical communication networks
CN106303765B (zh) * 2015-05-26 2019-03-15 中兴通讯股份有限公司 一种分布式自动功率优化系统及方法
CN110082070B (zh) * 2019-05-24 2021-03-12 广东电网有限责任公司 跳纤测试方法
CN112394273B (zh) * 2019-08-12 2023-03-24 芯恩（青岛）集成电路有限公司 电路的查线系统及方法
US11588295B2 (en) 2019-11-01 2023-02-21 Ii-Vi Delaware, Inc. Pump modulation for optical amplifier link communication
US11575241B2 (en) 2020-12-11 2023-02-07 Ii-Vi Delaware, Inc. Optical amplifier modules
JP2022156704A (ja) * 2021-03-31 2022-10-14 株式会社ジャパンディスプレイ 通信装置および通信方法
US12345595B2 (en) * 2021-10-27 2025-07-01 Ii-Vi Delaware, Inc. Eye safety interlock for fiber-coupled high power laser sources

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5668658A (en) * 1995-02-28 1997-09-16 Nec Corporation Transfer of repeater information signals in in-line optical amplifier repeater system
JP2748891B2 (ja) * 1995-07-06 1998-05-13 日本電気株式会社 光増幅器
US6025947A (en) * 1996-05-02 2000-02-15 Fujitsu Limited Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied
SE9603337L (sv) * 1996-09-13 1997-12-15 Ericsson Telefon Ab L M Transmissionssystem med återkopplad optisk förstärkare
US5889610A (en) * 1996-12-31 1999-03-30 Lucent Technologies Inc. Optical protection switching system
US6178036B1 (en) * 1997-01-14 2001-01-23 California Institute Of Technology Opto-electronic devices and systems based on brillouin selective sideband amplification
US5917969A (en) * 1998-02-17 1999-06-29 Polaroid Corporation Laser modulator

Also Published As

Publication number Publication date
CN1314036A (zh) 2001-09-19
AU5510499A (en) 2000-03-06
DE69906988D1 (de) 2003-05-22
EP1104603A1 (de) 2001-06-06
CN1157010C (zh) 2004-07-07
WO2000010268A1 (en) 2000-02-24
DE69906988T2 (de) 2004-02-12
EP1104603B1 (de) 2003-04-16
CA2340436A1 (en) 2000-02-24
US6654513B1 (en) 2003-11-25
JP2002523921A (ja) 2002-07-30
EP0981212A1 (de) 2000-02-23

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Legal Events

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