DE69720200D1 - Fehlerdetektionsverfahren für optischen verstärker - Google Patents

Fehlerdetektionsverfahren für optischen verstärker

Info

Publication number
DE69720200D1
DE69720200D1 DE69720200T DE69720200T DE69720200D1 DE 69720200 D1 DE69720200 D1 DE 69720200D1 DE 69720200 T DE69720200 T DE 69720200T DE 69720200 T DE69720200 T DE 69720200T DE 69720200 D1 DE69720200 D1 DE 69720200D1
Authority
DE
Germany
Prior art keywords
detection method
error detection
optical amplifiers
amplifiers
optical
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
DE69720200T
Other languages
English (en)
Other versions
DE69720200T2 (de
Inventor
Byron Roberts
Stephen O'sullivan
A Habel
Brendan Kennedy
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.)
Nortel Networks Ltd
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 DE69720200D1 publication Critical patent/DE69720200D1/de
Application granted granted Critical
Publication of DE69720200T2 publication Critical patent/DE69720200T2/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
    • H04B10/2912—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
    • H04B10/07—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
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
    • H04B10/0795—Performance monitoring; Measurement of transmission parameters
    • H04B10/07955—Monitoring or measuring power
    • 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
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
    • H04B10/0797—Monitoring line amplifier or line repeater equipment
    • 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
    • H04B10/2931—Signal power control using AGC
    • 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
    • H04B10/2971—A single amplifier for both directions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2210/00—Indexing scheme relating to optical transmission systems
    • H04B2210/08—Shut-down or eye-safety
DE69720200T 1996-03-28 1997-01-22 Fehlerdetektionsverfahren für optischen verstärker Expired - Fee Related DE69720200T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002172873A CA2172873C (en) 1996-03-28 1996-03-28 Method of determining optical amplifier failures
PCT/CA1997/000042 WO1997037444A1 (en) 1996-03-28 1997-01-22 Method of determining optical amplifier failures

Publications (2)

Publication Number Publication Date
DE69720200D1 true DE69720200D1 (de) 2003-04-30
DE69720200T2 DE69720200T2 (de) 2003-09-25

Family

ID=4157848

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69720200T Expired - Fee Related DE69720200T2 (de) 1996-03-28 1997-01-22 Fehlerdetektionsverfahren für optischen verstärker

Country Status (7)

Country Link
US (1) US6064501A (de)
EP (1) EP0890229B1 (de)
JP (1) JP3563410B2 (de)
CN (1) CN100423476C (de)
CA (1) CA2172873C (de)
DE (1) DE69720200T2 (de)
WO (1) WO1997037444A1 (de)

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Also Published As

Publication number Publication date
EP0890229B1 (de) 2003-03-26
JP3563410B2 (ja) 2004-09-08
WO1997037444A1 (en) 1997-10-09
CA2172873A1 (en) 1997-09-29
EP0890229A1 (de) 1999-01-13
CN100423476C (zh) 2008-10-01
CA2172873C (en) 2002-03-12
DE69720200T2 (de) 2003-09-25
JPH11507189A (ja) 1999-06-22
US6064501A (en) 2000-05-16
CN1214824A (zh) 1999-04-21

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Legal Events

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