ITMI20040431A1 - Dispositivo ottico di amplificazione di connessione-disconnessione - Google Patents

Dispositivo ottico di amplificazione di connessione-disconnessione

Info

Publication number
ITMI20040431A1
ITMI20040431A1 IT000431A ITMI20040431A ITMI20040431A1 IT MI20040431 A1 ITMI20040431 A1 IT MI20040431A1 IT 000431 A IT000431 A IT 000431A IT MI20040431 A ITMI20040431 A IT MI20040431A IT MI20040431 A1 ITMI20040431 A1 IT MI20040431A1
Authority
IT
Italy
Prior art keywords
input amplifier
add
amplification device
connection
event
Prior art date
Application number
IT000431A
Other languages
English (en)
Inventor
Matteo Costantini
Roberto Magri
Original Assignee
Marconi Comm Spa
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 Marconi Comm Spa filed Critical Marconi Comm Spa
Priority to IT000431A priority Critical patent/ITMI20040431A1/it
Publication of ITMI20040431A1 publication Critical patent/ITMI20040431A1/it
Priority to AT05729844T priority patent/ATE395757T1/de
Priority to PCT/EP2005/050955 priority patent/WO2005091535A1/en
Priority to CN200580007062.4A priority patent/CN1977476A/zh
Priority to US10/598,574 priority patent/US20070253718A1/en
Priority to EP05729844A priority patent/EP1721398B1/en
Priority to DE602005006756T priority patent/DE602005006756D1/de
Priority to JP2007501294A priority patent/JP2007526702A/ja

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • 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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0221—Power control, e.g. to keep the total optical power constant
    • 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
    • H04J14/0283—WDM ring architectures
    • 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
    • H04J14/0297—Optical equipment protection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
  • Seal Device For Vehicle (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Glass Compositions (AREA)
IT000431A 2004-03-05 2004-03-05 Dispositivo ottico di amplificazione di connessione-disconnessione ITMI20040431A1 (it)

Priority Applications (8)

Application Number Priority Date Filing Date Title
IT000431A ITMI20040431A1 (it) 2004-03-05 2004-03-05 Dispositivo ottico di amplificazione di connessione-disconnessione
AT05729844T ATE395757T1 (de) 2004-03-05 2005-03-03 Optische ein-/aus-verstärkungseinrichtung
PCT/EP2005/050955 WO2005091535A1 (en) 2004-03-05 2005-03-03 Optical add/drop amplification device
CN200580007062.4A CN1977476A (zh) 2004-03-05 2005-03-03 光分插放大设备
US10/598,574 US20070253718A1 (en) 2004-03-05 2005-03-03 Optical Add/Drop Amplification Device
EP05729844A EP1721398B1 (en) 2004-03-05 2005-03-03 Optical add/drop amplification device
DE602005006756T DE602005006756D1 (de) 2004-03-05 2005-03-03 Optische ein-/aus-verstärkungseinrichtung
JP2007501294A JP2007526702A (ja) 2004-03-05 2005-03-03 アド／ドロップ型の光増幅デバイス

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000431A ITMI20040431A1 (it) 2004-03-05 2004-03-05 Dispositivo ottico di amplificazione di connessione-disconnessione

Publications (1)

Publication Number Publication Date
ITMI20040431A1 true ITMI20040431A1 (it) 2004-06-05

Family

ID=34956074

Family Applications (1)

Application Number Title Priority Date Filing Date
IT000431A ITMI20040431A1 (it) 2004-03-05 2004-03-05 Dispositivo ottico di amplificazione di connessione-disconnessione

Country Status (8)

Country Link
US (1) US20070253718A1 (it)
EP (1) EP1721398B1 (it)
JP (1) JP2007526702A (it)
CN (1) CN1977476A (it)
AT (1) ATE395757T1 (it)
DE (1) DE602005006756D1 (it)
IT (1) ITMI20040431A1 (it)
WO (1) WO2005091535A1 (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4569222B2 (ja) * 2004-08-24 2010-10-27 日本電気株式会社 光分岐挿入装置並びに光分岐挿入方法
JP4557771B2 (ja) * 2005-03-30 2010-10-06 富士通株式会社 光伝送装置
ATE504988T1 (de) 2007-04-13 2011-04-15 Ericsson Telefon Ab L M Optischer signalverstärker, verfahren zur optischen verstärkung und optisches netz
EP2490353B1 (en) * 2009-10-16 2019-08-07 NEC Corporation Light branching apparatus, optical communication system and light multiplexing method
CN103493413B (zh) 2011-04-20 2017-03-22 日本电气株式会社 具有oadm功能的分歧设备和波分复用光网络系统及其方法
US9509113B2 (en) * 2014-06-17 2016-11-29 Fujitsu Limited Transient gain cancellation for optical amplifiers
US9755734B1 (en) * 2016-06-09 2017-09-05 Google Inc. Subsea optical communication network

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1247845B (it) * 1991-03-29 1995-01-02 Pirelli Cavi Spa Linea di telecomunicazione a fibre ottiche con dispositivo di protezione per amplificatori ottici
JP3320452B2 (ja) * 1992-07-15 2002-09-03 沖電気工業株式会社 光中継器の監視制御方式
JPH11205238A (ja) * 1998-01-14 1999-07-30 Nec Corp 光サージ抑圧回路
US6580530B1 (en) * 1998-05-29 2003-06-17 Cisco Photonics Italy S.R.L. Optical communication system
DE69932566T2 (de) * 1998-05-29 2007-08-09 Cisco Systems International B.V. Optisches Kommunikationssystem
ITMI20010695A1 (it) * 2001-03-30 2002-09-30 Marconi Comm Spa Metodo e dispositivo per la sopravvivenza del traffico in sistemi dwdm con add/drop nel caso di interruzione del collegamento a fibre ottich
JP2002353939A (ja) * 2001-05-25 2002-12-06 Kddi Submarine Cable Systems Inc 光送信装置

Also Published As

Publication number Publication date
EP1721398A1 (en) 2006-11-15
DE602005006756D1 (de) 2008-06-26
US20070253718A1 (en) 2007-11-01
ATE395757T1 (de) 2008-05-15
JP2007526702A (ja) 2007-09-13
CN1977476A (zh) 2007-06-06
EP1721398B1 (en) 2008-05-14
WO2005091535A1 (en) 2005-09-29

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