AU2001233791A1 - Gain control in optical amplifiers - Google Patents

Gain control in optical amplifiers

Info

Publication number
AU2001233791A1
AU2001233791A1 AU2001233791A AU3379101A AU2001233791A1 AU 2001233791 A1 AU2001233791 A1 AU 2001233791A1 AU 2001233791 A AU2001233791 A AU 2001233791A AU 3379101 A AU3379101 A AU 3379101A AU 2001233791 A1 AU2001233791 A1 AU 2001233791A1
Authority
AU
Australia
Prior art keywords
gain control
optical amplifiers
amplifiers
optical
gain
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.)
Abandoned
Application number
AU2001233791A
Inventor
Edgard Goobar
Johan Sandell
Sven Wingstrand
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of AU2001233791A1 publication Critical patent/AU2001233791A1/en
Abandoned 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
    • 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
    • H04B10/0777—Monitoring line amplifier or line repeater equipment
AU2001233791A 2000-03-03 2001-02-20 Gain control in optical amplifiers Abandoned AU2001233791A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP00104715A EP1130819A1 (en) 2000-03-03 2000-03-03 Method and device for determining gain tilt in optical amplifiers with measurement of the total gain
EP00104715 2000-03-03
PCT/EP2001/001917 WO2001065739A2 (en) 2000-03-03 2001-02-20 Gain control in optical amplifiers

Publications (1)

Publication Number Publication Date
AU2001233791A1 true AU2001233791A1 (en) 2001-09-12

Family

ID=8168033

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001233791A Abandoned AU2001233791A1 (en) 2000-03-03 2001-02-20 Gain control in optical amplifiers

Country Status (8)

Country Link
US (1) US6879437B2 (en)
EP (1) EP1130819A1 (en)
JP (1) JP5079199B2 (en)
AU (1) AU2001233791A1 (en)
BR (1) BRPI0108835B1 (en)
DE (1) DE10195415T1 (en)
GB (1) GB2373657B (en)
WO (1) WO2001065739A2 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0124258D0 (en) * 2001-10-09 2001-11-28 Marconi Comm Ltd Optical amplifier control in WDM communications systems
JP3994275B2 (en) * 2002-07-22 2007-10-17 日本電気株式会社 Optical direct amplifier
JP2005150435A (en) * 2003-11-17 2005-06-09 Fujitsu Ltd Optical amplifier and control method thereof
EP1788729B1 (en) * 2005-11-21 2008-02-27 Alcatel Lucent A method and an optical amplifier assembly for adjusting Raman gain
JP2010219172A (en) * 2009-03-13 2010-09-30 Nec Corp Optical amplifier
US8614850B2 (en) 2010-12-17 2013-12-24 Tellabs Operations, Inc. Method and apparatus for gain tilt compensation over fiber optic cable
CN104113382B (en) * 2013-04-22 2016-08-03 瑞昱半导体股份有限公司 Wireless transmitting system and determine the method for preset gain of wireless transmitting system
US9225456B2 (en) * 2013-11-18 2015-12-29 Fujitsu Limited Post-transient gain control of optical amplifiers
WO2017085822A1 (en) * 2015-11-19 2017-05-26 三菱電機株式会社 Optical amplifier

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3492781B2 (en) * 1994-10-11 2004-02-03 富士通株式会社 Optical amplifier characteristic monitoring method and optical amplifier characteristic monitoring circuit
JP3618008B2 (en) * 1995-03-17 2005-02-09 富士通株式会社 Optical amplifier
JP3730299B2 (en) * 1996-02-07 2005-12-21 富士通株式会社 Optical equalization amplifier and optical equalization amplification method
CA2172873C (en) * 1996-03-28 2002-03-12 Kim Byron Roberts Method of determining optical amplifier failures
JP3628482B2 (en) * 1996-07-30 2005-03-09 住友電気工業株式会社 Optical amplifier
JP3449171B2 (en) * 1997-05-29 2003-09-22 住友電気工業株式会社 Optical amplifier
JP3542253B2 (en) * 1997-06-19 2004-07-14 株式会社日立コミュニケーションテクノロジー Optical fiber amplifier and optical transmission system using the same
JP3638777B2 (en) * 1998-02-04 2005-04-13 富士通株式会社 Method for gain equalization and apparatus and system used to implement the method
JP3532759B2 (en) * 1998-03-11 2004-05-31 富士通株式会社 Relay apparatus and transmission level control method for the same in WDM communication system
US6366393B1 (en) * 1999-08-25 2002-04-02 Lucent Technologies Inc. Fast gain control for optical amplifiers

Also Published As

Publication number Publication date
GB0216522D0 (en) 2002-08-28
DE10195415T1 (en) 2003-01-30
EP1130819A1 (en) 2001-09-05
US20030147125A1 (en) 2003-08-07
WO2001065739A2 (en) 2001-09-07
BRPI0108835B1 (en) 2015-08-11
GB2373657A (en) 2002-09-25
JP2003526215A (en) 2003-09-02
JP5079199B2 (en) 2012-11-21
BR0108835A (en) 2002-12-17
GB2373657B (en) 2004-01-28
US6879437B2 (en) 2005-04-12
WO2001065739A3 (en) 2002-03-07

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