ITMI20050982A1 - "metodo per il ripristino dopo una interruzione in una rete ad anello amplificata basata sulla libera ricircolazione ase e rete secondo il metodo" - Google Patents

"metodo per il ripristino dopo una interruzione in una rete ad anello amplificata basata sulla libera ricircolazione ase e rete secondo il metodo"

Info

Publication number
ITMI20050982A1
ITMI20050982A1 IT000982A ITMI20050982A ITMI20050982A1 IT MI20050982 A1 ITMI20050982 A1 IT MI20050982A1 IT 000982 A IT000982 A IT 000982A IT MI20050982 A ITMI20050982 A IT MI20050982A IT MI20050982 A1 ITMI20050982 A1 IT MI20050982A1
Authority
IT
Italy
Prior art keywords
ase
restoring
interruption
free
recirculation according
Prior art date
Application number
IT000982A
Other languages
English (en)
Inventor
Antonella Bogoni
Riccardo Ceccatelli
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 IT000982A priority Critical patent/ITMI20050982A1/it
Priority to US11/915,567 priority patent/US8036526B2/en
Priority to EP06761941A priority patent/EP1884045A2/en
Priority to PCT/EP2006/005020 priority patent/WO2006125658A2/en
Priority to CNA2006800266973A priority patent/CN101300759A/zh
Publication of ITMI20050982A1 publication Critical patent/ITMI20050982A1/it

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
    • 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
    • H04B10/03—Arrangements for fault recovery
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)
IT000982A 2005-05-26 2005-05-26 "metodo per il ripristino dopo una interruzione in una rete ad anello amplificata basata sulla libera ricircolazione ase e rete secondo il metodo" ITMI20050982A1 (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT000982A ITMI20050982A1 (it) 2005-05-26 2005-05-26 "metodo per il ripristino dopo una interruzione in una rete ad anello amplificata basata sulla libera ricircolazione ase e rete secondo il metodo"
US11/915,567 US8036526B2 (en) 2005-05-26 2006-05-26 Method and apparatus for restoration of optical ring network operating conditions after a fault is repaired
EP06761941A EP1884045A2 (en) 2005-05-26 2006-05-26 Optical network restoration technique
PCT/EP2006/005020 WO2006125658A2 (en) 2005-05-26 2006-05-26 Optical network restoration technique
CNA2006800266973A CN101300759A (zh) 2005-05-26 2006-05-26 在包括多个光学放大器的光环形网络中发生中断或其它故障时恢复环形网络操作条件的方法和设备

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000982A ITMI20050982A1 (it) 2005-05-26 2005-05-26 "metodo per il ripristino dopo una interruzione in una rete ad anello amplificata basata sulla libera ricircolazione ase e rete secondo il metodo"

Publications (1)

Publication Number Publication Date
ITMI20050982A1 true ITMI20050982A1 (it) 2006-11-27

Family

ID=36005901

Family Applications (1)

Application Number Title Priority Date Filing Date
IT000982A ITMI20050982A1 (it) 2005-05-26 2005-05-26 "metodo per il ripristino dopo una interruzione in una rete ad anello amplificata basata sulla libera ricircolazione ase e rete secondo il metodo"

Country Status (5)

Country Link
US (1) US8036526B2 (it)
EP (1) EP1884045A2 (it)
CN (1) CN101300759A (it)
IT (1) ITMI20050982A1 (it)
WO (1) WO2006125658A2 (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7522642B2 (en) * 2006-03-29 2009-04-21 Amo Development Llc Method and system for laser amplification using a dual crystal Pockels cell
JP5494669B2 (ja) * 2009-10-16 2014-05-21 日本電気株式会社 光分岐装置、光通信システムおよび光合波方法
US11012153B2 (en) * 2011-11-18 2021-05-18 Level 3 Communications, Llc Optical test device and systems
US8417114B1 (en) 2011-11-18 2013-04-09 Level 3 Communications, Llc Apparatus, system and method for network monitoring
US9509113B2 (en) * 2014-06-17 2016-11-29 Fujitsu Limited Transient gain cancellation for optical amplifiers
CN106303765B (zh) * 2015-05-26 2019-03-15 中兴通讯股份有限公司 一种分布式自动功率优化系统及方法
US9608758B1 (en) * 2015-11-30 2017-03-28 Google Inc. Low cost gain clamped EDFA for TWDM passive optical network application

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1272846B (it) * 1994-11-25 1997-06-30 Pirelli Cavi Spa "sistema e metodo di telecomunicazione a multiplazione di lunghezza d'onda, con separazione controllata dei canali in uscita e per la determinazione del rapporto segnale/rumore ottico"
GB9618706D0 (en) * 1996-09-06 1996-10-16 Northern Telecom Ltd Optical element power control
US5986783A (en) * 1997-02-10 1999-11-16 Optical Networks, Inc. Method and apparatus for operation, protection, and restoration of heterogeneous optical communication networks
US6504630B1 (en) * 1998-12-04 2003-01-07 Lucent Technologies Inc. Automatic power shut-down arrangement for optical line systems
GB2347809B (en) * 1999-03-12 2001-06-20 Marconi Comm Ltd Signal transmission system
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
US6687049B1 (en) * 2001-07-03 2004-02-03 Onetta, Inc. Optical amplifiers with stable output power under low input power conditions
IL145262A0 (en) * 2001-09-04 2002-06-30 Lightscape Networks Ltd Method and system for channel count and power control in optical networks
US7058301B2 (en) 2002-02-28 2006-06-06 Bosloy Jonathan L Apparatus and method for planned wavelength addition and removal in a wavelength division multiplexed system
US7081987B2 (en) * 2002-05-29 2006-07-25 Pts Corporation Coordinated control of dynamic gain equalization in a wavelength division multiplexed optical system
IL150347A (en) * 2002-06-20 2008-07-08 Eci Telecom Ltd Method and system for span optical power control
ITMI20031742A1 (it) * 2003-09-11 2005-03-12 Marconi Comm Spa Rete ottica ad anello con ricircolazione di luce ase e
ITMI20032365A1 (it) 2003-12-03 2005-06-04 Marconi Comm Ondata Gmbh Reti ottiche.

Also Published As

Publication number Publication date
US20080226287A1 (en) 2008-09-18
EP1884045A2 (en) 2008-02-06
WO2006125658A3 (en) 2007-05-18
CN101300759A (zh) 2008-11-05
US8036526B2 (en) 2011-10-11
WO2006125658A2 (en) 2006-11-30

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