ITTO950491A0 - Sistema di trasmissione su una linea a fibra ottica senza ripetitore, con amplificazioni remota e locale. - Google Patents

Sistema di trasmissione su una linea a fibra ottica senza ripetitore, con amplificazioni remota e locale.

Info

Publication number
ITTO950491A0
ITTO950491A0 ITTO950491A ITTO950491A ITTO950491A0 IT TO950491 A0 ITTO950491 A0 IT TO950491A0 IT TO950491 A ITTO950491 A IT TO950491A IT TO950491 A ITTO950491 A IT TO950491A IT TO950491 A0 ITTO950491 A0 IT TO950491A0
Authority
IT
Italy
Prior art keywords
repeater
remote
transmission system
optical line
fiber optical
Prior art date
Application number
ITTO950491A
Other languages
English (en)
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 filed Critical
Publication of ITTO950491A0 publication Critical patent/ITTO950491A0/it
Publication of ITTO950491A1 publication Critical patent/ITTO950491A1/it
Application granted granted Critical
Publication of IT1276379B1 publication Critical patent/IT1276379B1/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
    • H04B10/2933—Signal power control considering the whole optical path
    • H04B10/2937—Systems with a repeater placed only at the beginning or the end of the system, i.e. repeaterless systems, e.g. systems with only post and pre-amplification
    • 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
    • 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
    • H04B10/2912—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing
    • 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
    • H04B10/60—Receivers
    • H04B10/66—Non-coherent receivers, e.g. using direct detection
    • H04B10/67—Optical arrangements in the receiver
    • H04B10/671—Optical arrangements in the receiver for controlling the input optical signal
    • H04B10/675—Optical arrangements in the receiver for controlling the input optical signal for controlling the optical bandwidth of the input signal, e.g. spectral filtering

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)
IT95TO000491A 1994-06-14 1995-06-13 Sistema di trasmissione su una linea a fibra ottica senza ripetitore, con amplificazioni remota e locale. IT1276379B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9407263A FR2721158B1 (fr) 1994-06-14 1994-06-14 Système de transmission sur une ligne à fibre optique sans répéteur, avec amplifications distante et locale.

Publications (3)

Publication Number Publication Date
ITTO950491A0 true ITTO950491A0 (it) 1995-06-13
ITTO950491A1 ITTO950491A1 (it) 1996-12-13
IT1276379B1 IT1276379B1 (it) 1997-10-31

Family

ID=9464193

Family Applications (1)

Application Number Title Priority Date Filing Date
IT95TO000491A IT1276379B1 (it) 1994-06-14 1995-06-13 Sistema di trasmissione su una linea a fibra ottica senza ripetitore, con amplificazioni remota e locale.

Country Status (5)

Country Link
US (1) US5561553A (it)
JP (1) JPH0856195A (it)
DE (1) DE19521400B4 (it)
FR (1) FR2721158B1 (it)
IT (1) IT1276379B1 (it)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5737460A (en) * 1995-12-29 1998-04-07 Lucent Technologies Inc. Applications of solitons in transmission systems employing high launch powers
KR970064034A (ko) * 1996-02-10 1997-09-12 김광호 다중파장 자동 파워 및 이득 조절용 광전송 시스템 및 레이저
US5764405A (en) * 1996-10-10 1998-06-09 Tyco Submarine Systems Ltd. Lossless optical transmission system architecture with non-failing optical amplifiers
JP3860278B2 (ja) 1997-03-13 2006-12-20 富士通株式会社 遠隔励起方式の波長多重光伝送システム
CA2258935A1 (en) * 1997-04-30 1998-11-05 Sony Corporation Device and method for transmitting digital data
US6043928A (en) * 1997-06-27 2000-03-28 Lucent Technologies Inc. Robust multi-wavelength optical fiber communication systems
US5978130A (en) * 1997-09-16 1999-11-02 Mci Communications Corporation Dual-band fiber optic amplification system using a single pump source
US6151336A (en) * 1998-02-11 2000-11-21 Sorrento Networks, Inc. Time division multiplexing expansion subsystem
US6400478B1 (en) 1998-04-02 2002-06-04 Sorrento Networks, Inc. Wavelength-division-multiplexed optical transmission system with expanded bidirectional transmission capacity over a single fiber
US6298103B1 (en) 1998-06-16 2001-10-02 Sorrento Networks Corporation Flexible clock and data recovery module for a DWDM optical communication system with multiple clock rates
FR2786638A1 (fr) * 1998-11-26 2000-06-02 Cit Alcatel Suppression de l'effet raman par modulation de la polarisation
DE19961515C2 (de) * 1999-12-20 2002-04-25 Siemens Ag Anordnung zur Übertragung von Pumplicht hoher Leistung zur Fernspeisung eines Faserverstärkers
US20040252994A1 (en) * 2003-06-11 2004-12-16 Bickham Scott R. Optical communication system with suppressed SBS
WO2005018117A1 (en) * 2003-07-31 2005-02-24 Corning Incorporated Unrepeatered optical communication system with suppressed sbs
US7574140B2 (en) 2004-12-22 2009-08-11 Tyco Telecommunications (Us) Inc. Optical transmission system including repeatered and unrepeatered segments

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2019253C (en) * 1989-06-23 1994-01-11 Shinya Inagaki Optical fiber amplifier
WO1991001066A1 (en) * 1989-07-13 1991-01-24 British Telecommunications Public Limited Company Optical communications network
JP3137632B2 (ja) * 1989-08-31 2001-02-26 富士通株式会社 光ファイバ増幅器を備えた光通信方式
US5058974A (en) * 1989-10-06 1991-10-22 At&T Bell Laboratories Distributed amplification for lightwave transmission system
DE4036327A1 (de) * 1990-11-15 1992-05-21 Standard Elektrik Lorenz Ag Optisches nachrichtenuebertragungssystem mit einem faseroptischen verstaerker
GB2253514A (en) * 1991-03-06 1992-09-09 Marconi Gec Ltd Optical amplifiers
JP2776124B2 (ja) * 1992-03-23 1998-07-16 日本電気株式会社 直接検波光受信装置
US5392153A (en) * 1993-08-31 1995-02-21 At&T Corp. Optical amplifier

Also Published As

Publication number Publication date
US5561553A (en) 1996-10-01
FR2721158A1 (fr) 1995-12-15
JPH0856195A (ja) 1996-02-27
IT1276379B1 (it) 1997-10-31
FR2721158B1 (fr) 1996-07-12
ITTO950491A1 (it) 1996-12-13
DE19521400B4 (de) 2007-04-12
DE19521400A1 (de) 1996-01-25

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Legal Events

Date Code Title Description
0001 Granted