HK1054135A1 - Optical transmission systems using optical amplifiers and wavelength division multiplexing - Google Patents

Optical transmission systems using optical amplifiers and wavelength division multiplexing

Info

Publication number
HK1054135A1
HK1054135A1 HK03106274A HK03106274A HK1054135A1 HK 1054135 A1 HK1054135 A1 HK 1054135A1 HK 03106274 A HK03106274 A HK 03106274A HK 03106274 A HK03106274 A HK 03106274A HK 1054135 A1 HK1054135 A1 HK 1054135A1
Authority
HK
Hong Kong
Prior art keywords
optical
division multiplexing
wavelength division
transmission systems
path
Prior art date
Application number
HK03106274A
Other languages
English (en)
Inventor
Kim Byron Roberts
Gregory Dean May
Maruice Stephen O'sullivan
Original Assignee
Nortel Networks 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 Nortel Networks Ltd filed Critical Nortel Networks Ltd
Publication of HK1054135A1 publication Critical patent/HK1054135A1/xx

Links

Classifications

    • 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
    • H04J14/0289—Optical multiplex section protection
    • H04J14/0291—Shared protection at the optical multiplex section (1:1, n:m)
    • 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
    • H04B10/032—Arrangements for fault recovery using working and protection systems
    • 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
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2589—Bidirectional transmission
    • 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
    • H04B10/297—Bidirectional amplification
    • H04B10/2972—Each direction being amplified separately
    • 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
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H04J14/0241—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • 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
    • H04J14/0279—WDM point-to-point architectures
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
HK03106274A 1996-06-25 2003-09-03 Optical transmission systems using optical amplifiers and wavelength division multiplexing HK1054135A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/669,929 US5801858A (en) 1996-06-25 1996-06-25 Optical transmission systems using optical amplifiers and wavelength division multiplexing
PCT/CA1996/000810 WO1997050203A1 (en) 1996-06-25 1996-12-04 Optical transmission systems using optical amplifiers and wavelength division multiplexing

Publications (1)

Publication Number Publication Date
HK1054135A1 true HK1054135A1 (en) 2003-11-14

Family

ID=24688312

Family Applications (1)

Application Number Title Priority Date Filing Date
HK03106274A HK1054135A1 (en) 1996-06-25 2003-09-03 Optical transmission systems using optical amplifiers and wavelength division multiplexing

Country Status (9)

Country Link
US (3) US5801858A (zh)
EP (2) EP0908034B1 (zh)
JP (1) JP3544210B2 (zh)
CN (2) CN1149773C (zh)
AU (1) AU710472B2 (zh)
CA (1) CA2257495C (zh)
DE (2) DE69636554T2 (zh)
HK (1) HK1054135A1 (zh)
WO (1) WO1997050203A1 (zh)

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Also Published As

Publication number Publication date
US6101016A (en) 2000-08-08
EP1296470B1 (en) 2006-09-13
US6067179A (en) 2000-05-23
EP1296470A2 (en) 2003-03-26
WO1997050203A1 (en) 1997-12-31
CA2257495A1 (en) 1997-12-31
EP0908034A1 (en) 1999-04-14
US5801858A (en) 1998-09-01
DE69636554T2 (de) 2007-09-13
AU710472B2 (en) 1999-09-23
AU7689096A (en) 1998-01-14
EP0908034B1 (en) 2003-11-19
CN1228220A (zh) 1999-09-08
JP3544210B2 (ja) 2004-07-21
CN100431289C (zh) 2008-11-05
CA2257495C (en) 2000-10-03
DE69636554D1 (de) 2006-10-26
JPH11514180A (ja) 1999-11-30
DE69630812D1 (de) 2003-12-24
CN1149773C (zh) 2004-05-12
CN1501618A (zh) 2004-06-02
EP1296470A3 (en) 2005-04-06
DE69630812T2 (de) 2004-04-15

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Effective date: 20161203