DE602006010503D1 - Optischer Verstärker - Google Patents

Optischer Verstärker

Info

Publication number
DE602006010503D1
DE602006010503D1 DE602006010503T DE602006010503T DE602006010503D1 DE 602006010503 D1 DE602006010503 D1 DE 602006010503D1 DE 602006010503 T DE602006010503 T DE 602006010503T DE 602006010503 T DE602006010503 T DE 602006010503T DE 602006010503 D1 DE602006010503 D1 DE 602006010503D1
Authority
DE
Germany
Prior art keywords
optical amplifier
amplifier
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
DE602006010503T
Other languages
English (en)
Inventor
Kosuke Komaki
Hiroyuki Itoh
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of DE602006010503D1 publication Critical patent/DE602006010503D1/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04B10/293—Signal power control
    • H04B10/294—Signal power control in a multiwavelength system, e.g. gain equalisation
    • H04B10/296—Transient power control, e.g. due to channel add/drop or rapid fluctuations in the input power
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2210/00—Indexing scheme relating to optical transmission systems
    • H04B2210/003—Devices including multiple stages, e.g., multi-stage optical amplifiers or dispersion compensators

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Lasers (AREA)
  • Optical Communication System (AREA)
DE602006010503T 2005-11-16 2006-04-12 Optischer Verstärker Expired - Fee Related DE602006010503D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005331269A JP4717602B2 (ja) 2005-11-16 2005-11-16 光増幅器

Publications (1)

Publication Number Publication Date
DE602006010503D1 true DE602006010503D1 (de) 2009-12-31

Family

ID=37736591

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006010503T Expired - Fee Related DE602006010503D1 (de) 2005-11-16 2006-04-12 Optischer Verstärker

Country Status (4)

Country Link
US (1) US7215464B1 (de)
EP (1) EP1788732B1 (de)
JP (1) JP4717602B2 (de)
DE (1) DE602006010503D1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7643759B2 (en) * 2005-01-12 2010-01-05 Sumitomo Electric Industries, Ltd. Signal-quality evaluation device, signal adjustment method, optical-signal evaluation system, and optical transmission system
US8761610B2 (en) * 2006-01-10 2014-06-24 Ciena Corporation Methods and systems for the performance analysis of fiber optic networks
JP4929786B2 (ja) * 2006-03-28 2012-05-09 富士通株式会社 光増幅器
JP4962499B2 (ja) * 2006-12-28 2012-06-27 富士通株式会社 光増幅器及びその異常検出方法
US7843630B2 (en) * 2007-01-08 2010-11-30 Oclaro Technology Limited Cascaded optical amplifier and control method thereof
JP5239223B2 (ja) 2007-06-21 2013-07-17 富士通株式会社 光増幅器
EP2256971B1 (de) * 2008-01-22 2017-07-05 Mitsubishi Electric Corporation Optisches übertragungssystem und repeater
WO2009109913A2 (en) * 2008-03-03 2009-09-11 Runcom Technologies Ltd. Low complexity user selection for sdma
JP5423170B2 (ja) * 2009-06-18 2014-02-19 富士通株式会社 光伝送装置
JP5617510B2 (ja) * 2010-10-07 2014-11-05 富士通株式会社 光ノード及び光通信方法
JP5646976B2 (ja) * 2010-12-09 2014-12-24 富士通テレコムネットワークス株式会社 光パケット交換装置および光パケット交換システム
JP5688346B2 (ja) * 2011-09-02 2015-03-25 富士通テレコムネットワークス株式会社 光パケット交換システムおよびピークパワー制御方法
JP6012579B2 (ja) * 2013-11-07 2016-10-25 古河電気工業株式会社 光増幅装置
JP6496983B2 (ja) * 2014-04-18 2019-04-10 富士通株式会社 光伝送装置及び光伝送方法
CN106209236B (zh) * 2016-07-18 2018-06-19 中国科学院半导体研究所 高速通信中生成传输和获取管理控制信号系统
US11374655B1 (en) * 2021-06-10 2022-06-28 Cisco Technology, Inc. Configurable link extender in small form factor

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3306700B2 (ja) * 1996-05-02 2002-07-24 富士通株式会社 光増幅装置及び波長多重光伝送システム
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
SE509968C2 (sv) 1997-02-14 1999-03-29 Ericsson Telefon Ab L M Optisk förstärkare med variabel förstärkning
US5900969A (en) * 1997-02-14 1999-05-04 Lucent Technologies Inc. Broadband flat gain optical amplifier
JP3542253B2 (ja) * 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 光ファイバ増幅器およびそれを用いた光伝送システム
EP0975103B1 (de) * 1998-02-06 2006-08-09 Fujitsu Limited Optischer verstärker und verfahren zur steuerung der lichtquellenerregung von einem optischen verstärker
JPH11313033A (ja) * 1998-02-27 1999-11-09 Fujitsu Ltd 光波長多重システム
US6441955B1 (en) * 1998-02-27 2002-08-27 Fujitsu Limited Light wavelength-multiplexing systems
US6496300B2 (en) * 1998-02-27 2002-12-17 Fujitsu Limited Optical amplifier
JP4108857B2 (ja) * 1998-02-27 2008-06-25 富士通株式会社 光増幅器
US6532103B1 (en) * 1998-06-17 2003-03-11 Hitachi, Ltd. Optical fiber amplifier and optical transmission system using the same
US6411429B1 (en) * 1999-10-19 2002-06-25 Fujitsu Limited Optical amplifying apparatus, wide-band optical amplifying apparatus, and optical communication system
JP4234927B2 (ja) * 2000-04-14 2009-03-04 富士通株式会社 光波長多重伝送システム及び光出力制御方法及び光波長多重伝送装置
JP3976554B2 (ja) * 2001-11-28 2007-09-19 富士通株式会社 可変減衰器制御システム
JP2003163642A (ja) * 2001-11-28 2003-06-06 Fujitsu Ltd 光伝送装置および光伝送モジュール
EP1420491A3 (de) * 2002-11-18 2005-04-27 Fujitsu Limited Optischer Verstärker und Verfahren zu dessen Regelung
JP4101155B2 (ja) * 2003-11-05 2008-06-18 古河電気工業株式会社 光増幅装置
JP4322714B2 (ja) * 2004-03-12 2009-09-02 株式会社フジクラ 光ファイバ増幅器とそれに接続された伝送用光ファイバのコネクタ外れ検出方法、光ファイバ増幅器及び光ファイバ増幅器とそれに接続された伝送用光ファイバ

Also Published As

Publication number Publication date
US20070109630A1 (en) 2007-05-17
EP1788732A2 (de) 2007-05-23
EP1788732A3 (de) 2007-12-05
JP4717602B2 (ja) 2011-07-06
US7215464B1 (en) 2007-05-08
EP1788732B1 (de) 2009-11-18
JP2007142008A (ja) 2007-06-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee