WO2009016695A1 - 光増幅装置とこれを含んだ光伝送システム - Google Patents

光増幅装置とこれを含んだ光伝送システム Download PDF

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Publication number
WO2009016695A1
WO2009016695A1 PCT/JP2007/064771 JP2007064771W WO2009016695A1 WO 2009016695 A1 WO2009016695 A1 WO 2009016695A1 JP 2007064771 W JP2007064771 W JP 2007064771W WO 2009016695 A1 WO2009016695 A1 WO 2009016695A1
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WO
WIPO (PCT)
Prior art keywords
alc
output value
optical
optical amplifier
target
Prior art date
Application number
PCT/JP2007/064771
Other languages
English (en)
French (fr)
Inventor
Shota Mori
Original Assignee
Fujitsu Limited
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 Fujitsu Limited filed Critical Fujitsu Limited
Priority to JP2009525189A priority Critical patent/JP5099137B2/ja
Priority to PCT/JP2007/064771 priority patent/WO2009016695A1/ja
Publication of WO2009016695A1 publication Critical patent/WO2009016695A1/ja
Priority to US12/656,337 priority patent/US8077384B2/en

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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
    • H04B10/293—Signal power control
    • H04B10/2933—Signal power control considering the whole optical path
    • H04B10/2935—Signal power control considering the whole optical path with a cascade of amplifiers

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)

Abstract

　光伝送システムの中継局に備えられて信号光を増幅すると共に、ＶＯＡ４により出力パワーのＡＬＣを実行する光増幅装置として、上流の光増幅装置の出力目標値及び出力測定値の差分を制御予定量として受信し、ＡＬＣのためにＶＯＡ４に対し設定している現在の減衰量目標値と、自身の出力目標値及び出力測定値の差分と、前記制御予定量と、に基づいて、ＶＯＡ４に対する減衰量目標値を更新するようになっていると共に、該減衰量目標値の更新を、ＡＬＣによる出力収束時間以上の間隔で実行し、そして、自身の出力目標値及び出力測定値の差分を下流への制御予定量とすることを特徴とした光増幅装置を提案する。これにより、各局でＡＬＣを実行する光伝送システムにおいて、波長増減設及び信号立ち上げ時にかかるＡＬＣの安定化待ち時間を短縮し、ＡＧＣからＡＬＣへ遷移するときの信号光パワーのレベル変動を抑制する。
PCT/JP2007/064771 2007-07-27 2007-07-27 光増幅装置とこれを含んだ光伝送システム WO2009016695A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009525189A JP5099137B2 (ja) 2007-07-27 2007-07-27 光増幅装置とこれを含んだ光伝送システム
PCT/JP2007/064771 WO2009016695A1 (ja) 2007-07-27 2007-07-27 光増幅装置とこれを含んだ光伝送システム
US12/656,337 US8077384B2 (en) 2007-07-27 2010-01-26 Optical amplifier, and optical transmission system including the optical amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/064771 WO2009016695A1 (ja) 2007-07-27 2007-07-27 光増幅装置とこれを含んだ光伝送システム

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/656,337 Continuation US8077384B2 (en) 2007-07-27 2010-01-26 Optical amplifier, and optical transmission system including the optical amplifier

Publications (1)

Publication Number Publication Date
WO2009016695A1 true WO2009016695A1 (ja) 2009-02-05

Family

ID=40303942

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/064771 WO2009016695A1 (ja) 2007-07-27 2007-07-27 光増幅装置とこれを含んだ光伝送システム

Country Status (3)

Country Link
US (1) US8077384B2 (ja)
JP (1) JP5099137B2 (ja)
WO (1) WO2009016695A1 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120163810A1 (en) * 2010-12-27 2012-06-28 Fujitsu Limited Optical device, optical transceiver unit, and optical communication system
WO2013132596A1 (ja) * 2012-03-06 2013-09-12 三菱電機株式会社 波長多重光伝送システム、光中継装置および光強度制御方法
JP2014093565A (ja) * 2012-10-31 2014-05-19 Fujitsu Ltd 伝送装置、伝送システム、及び光レベル制御方法
US9252558B2 (en) 2012-11-26 2016-02-02 Fujitsu Limited Optical amplifier

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JP5065158B2 (ja) * 2008-06-02 2012-10-31 サンデン株式会社 揺動板式可変容量圧縮機
EP2319202B1 (en) * 2008-07-28 2016-06-22 Telefonaktiebolaget LM Ericsson (publ) Channel power control in an optical network node
JP5214805B2 (ja) * 2008-10-03 2013-06-19 テレフオンアクチーボラゲット エル エム エリクソン（パブル） 光リンクにおけるチャネルパワーの制御
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
US9276696B2 (en) * 2012-10-19 2016-03-01 Ciena Corporation Systems and methods for channel additions over multiple cascaded optical nodes
US8873135B2 (en) * 2012-12-21 2014-10-28 Ciena Corporation Extended dynamic range optical amplifier
CN103888088B (zh) * 2014-03-20 2017-03-08 京信通信系统（广州）有限公司 基于alc的功放保护系统
US9667312B2 (en) * 2015-01-13 2017-05-30 Hughes Network Systems, Llc Radio based automatic level control for linear radio calibration
US9985726B1 (en) * 2016-11-29 2018-05-29 Ciena Corporation Systems and methods for a preemptive controller for photonic line systems
US9986317B1 (en) 2016-11-29 2018-05-29 Ciena Corporation Systems and methods modeling optical sources in optical spectrum controllers for control thereof
US10536235B2 (en) * 2017-05-04 2020-01-14 Ciena Corporation Logical control seams in optical networks to improve restoration speed or timing for capacity adds
US10050737B1 (en) * 2017-05-04 2018-08-14 Ciena Corporation Methods and apparatus for pre-programming layer-0 service turn up speeds for photonic service provisioning or restoration
JPWO2019082862A1 (ja) * 2017-10-26 2020-10-22 日本電気株式会社 光伝送装置及び光伝送方法
JPWO2020137821A1 (ja) * 2018-12-26 2021-09-30 日本電気株式会社 光伝送装置及び光伝送方法
US10686543B1 (en) 2019-03-05 2020-06-16 Ciena Corporation Time and margin constrained routing, spectrum, and restoration speed assignment in optical networks

Citations (2)

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JP2006166478A (ja) * 2006-01-10 2006-06-22 Fujitsu Ltd 光増幅器
JP2006202900A (ja) * 2005-01-19 2006-08-03 Hitachi Communication Technologies Ltd 波長多重用光増幅器システム

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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
JP3306713B2 (ja) 1996-05-02 2002-07-24 富士通株式会社 光増幅装置
JPH11122192A (ja) * 1997-10-17 1999-04-30 Fujitsu Ltd 光増幅器及び該光増幅器を備えた光通信システム
JP3923301B2 (ja) * 2001-11-29 2007-05-30 富士通株式会社 Ｗｄｍ通信システムにおける光アンプ監視制御方法
WO2003049330A1 (fr) * 2001-12-03 2003-06-12 Fujitsu Limited Systeme de communication optique
KR100582093B1 (ko) * 2003-09-02 2006-05-22 한국전자통신연구원 광 전달망 시스템에서의 광 감시 채널 프레이밍 장치 및그 방법
JP4397239B2 (ja) * 2004-01-15 2010-01-13 富士通株式会社 光伝送システム
JP4822727B2 (ja) * 2005-03-30 2011-11-24 富士通株式会社 波長多重伝送装置，漏洩光防止方法および波長多重通信システム
JP4727485B2 (ja) * 2006-03-31 2011-07-20 富士通株式会社 光伝送装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006202900A (ja) * 2005-01-19 2006-08-03 Hitachi Communication Technologies Ltd 波長多重用光増幅器システム
JP2006166478A (ja) * 2006-01-10 2006-06-22 Fujitsu Ltd 光増幅器

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120163810A1 (en) * 2010-12-27 2012-06-28 Fujitsu Limited Optical device, optical transceiver unit, and optical communication system
WO2013132596A1 (ja) * 2012-03-06 2013-09-12 三菱電機株式会社 波長多重光伝送システム、光中継装置および光強度制御方法
JP2014093565A (ja) * 2012-10-31 2014-05-19 Fujitsu Ltd 伝送装置、伝送システム、及び光レベル制御方法
US9252558B2 (en) 2012-11-26 2016-02-02 Fujitsu Limited Optical amplifier

Also Published As

Publication number Publication date
US8077384B2 (en) 2011-12-13
US20100134875A1 (en) 2010-06-03
JP5099137B2 (ja) 2012-12-12
JPWO2009016695A1 (ja) 2010-10-07

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