FI960359A - Kaksisuuntainen optinen tietoliikennejärjestelmä, jossa on kaksisuuntainen optinen vahvistin - Google Patents

Kaksisuuntainen optinen tietoliikennejärjestelmä, jossa on kaksisuuntainen optinen vahvistin Download PDF

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Publication number
FI960359A
FI960359A FI960359A FI960359A FI960359A FI 960359 A FI960359 A FI 960359A FI 960359 A FI960359 A FI 960359A FI 960359 A FI960359 A FI 960359A FI 960359 A FI960359 A FI 960359A
Authority
FI
Finland
Prior art keywords
bidirectional optical
communication system
optical communication
optical amplifier
amplifier
Prior art date
Application number
FI960359A
Other languages
English (en)
Swedish (sv)
Other versions
FI960359A0 (fi
Inventor
Fausto Meli
Alessandro Cavaciuti
Original Assignee
Pirelli Cavi 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 Pirelli Cavi Spa filed Critical Pirelli Cavi Spa
Publication of FI960359A0 publication Critical patent/FI960359A0/fi
Publication of FI960359A publication Critical patent/FI960359A/fi

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
    • 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
    • H04B10/2971—A single amplifier for both directions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06754—Fibre amplifiers
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06754—Fibre amplifiers
    • H01S3/06787—Bidirectional amplifier
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
    • H01S3/16—Solid materials
    • H01S3/1601—Solid materials characterised by an active (lasing) ion
    • H01S3/1603—Solid materials characterised by an active (lasing) ion rare earth
    • H01S3/1608—Solid materials characterised by an active (lasing) ion rare earth erbium

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)
FI960359A 1995-01-27 1996-01-26 Kaksisuuntainen optinen tietoliikennejärjestelmä, jossa on kaksisuuntainen optinen vahvistin FI960359A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI950143A IT1273465B (it) 1995-01-27 1995-01-27 Sistema di telecomunicazione ottica bidirezionale comprendente un amplificatore ottico bidirezionale

Publications (2)

Publication Number Publication Date
FI960359A0 FI960359A0 (fi) 1996-01-26
FI960359A true FI960359A (fi) 1996-07-28

Family

ID=11370346

Family Applications (1)

Application Number Title Priority Date Filing Date
FI960359A FI960359A (fi) 1995-01-27 1996-01-26 Kaksisuuntainen optinen tietoliikennejärjestelmä, jossa on kaksisuuntainen optinen vahvistin

Country Status (21)

Country Link
US (2) US5995259A (fi)
EP (2) EP0889562B1 (fi)
JP (1) JPH08265272A (fi)
KR (1) KR960030588A (fi)
CN (1) CN1077365C (fi)
AU (1) AU708835B2 (fi)
BR (1) BR9600511A (fi)
CA (1) CA2168187A1 (fi)
CZ (1) CZ23896A3 (fi)
DE (2) DE69601815T2 (fi)
ES (1) ES2132776T3 (fi)
FI (1) FI960359A (fi)
HU (1) HU219696B (fi)
IT (1) IT1273465B (fi)
NO (1) NO309788B1 (fi)
NZ (1) NZ280875A (fi)
PE (1) PE46797A1 (fi)
PL (2) PL181053B1 (fi)
RU (1) RU2000113800A (fi)
SK (1) SK7996A3 (fi)
TW (1) TW381378B (fi)

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US6188509B1 (en) * 1997-01-05 2001-02-13 Korea Advanced Institute Science And Technology Simple bidirectional add/drop amplifier module based on a single multiplexer
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US7054559B1 (en) 1997-09-04 2006-05-30 Mci Communications Corporation Method and system for modular multiplexing and amplification in a multi-channel plan
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US6757098B2 (en) * 1999-04-15 2004-06-29 Nortel Network Limited Highly scalable modular optical amplifier based subsystem
US6236499B1 (en) * 1999-04-15 2001-05-22 Nortel Networks Limited Highly scalable modular optical amplifier based subsystem
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US6243177B1 (en) 2000-10-03 2001-06-05 Seneca Networks, Inc. Bidirectional WDM optical communication system with bidirectional add-drop multiplexing
US6608709B2 (en) 2000-10-03 2003-08-19 Gary Duerksen Bidirectional WDM optical communication system with bidirectional add-drop multiplexing
US6339663B1 (en) 2000-12-22 2002-01-15 Seneca Networks, Inc. Bidirectional WDM optical communication system with bidirectional optical service channels
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US6388805B1 (en) * 2001-03-28 2002-05-14 Sycamore Networks, Inc. Two fiber support with single optical amplifier
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US6392790B1 (en) * 2001-04-04 2002-05-21 Redfern Broadband Networks Inc. Bi-directional amplifier
JP2002353891A (ja) * 2001-05-24 2002-12-06 Fujitsu Ltd 光ファイバ伝送のための方法及び装置
US7346280B1 (en) 2002-03-15 2008-03-18 Cisco Technology, Inc. Bi-directional long haul/ultra long haul optical communication link
US20040042067A1 (en) * 2002-06-04 2004-03-04 Eiselt Michael H. Apparatus and method for duplex optical transport using a co-directional optical amplifier
US7333686B1 (en) * 2002-12-10 2008-02-19 Avanex Corporation System and method for a re-configurable optical channel dropping de-multiplexer
KR100539901B1 (ko) * 2002-12-11 2005-12-28 삼성전자주식회사 Ｂｐｓｒ 광 전송 노드
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TW572494U (en) * 2003-03-14 2004-01-11 Yin-Shiang Jai Improved structure of transmission device
JP4089504B2 (ja) 2003-05-14 2008-05-28 日本電気株式会社 一芯双方向光伝送システム及び一芯双方向光増幅器並びにその方法
US6980714B2 (en) * 2003-09-26 2005-12-27 Moog Components Group Inc. Fiber optic rotary joint and associated reflector assembly
JP4294452B2 (ja) * 2003-11-21 2009-07-15 富士通株式会社 双方向光通信用の光装置
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Also Published As

Publication number Publication date
PL312493A1 (en) 1996-08-05
AU4217196A (en) 1996-08-08
CN1136247A (zh) 1996-11-20
TW381378B (en) 2000-02-01
BR9600511A (pt) 1997-12-30
HUP9600175A3 (en) 1998-01-28
HU219696B (hu) 2001-06-28
DE69622050T2 (de) 2003-02-13
AU708835B2 (en) 1999-08-12
HU9600175D0 (en) 1996-03-28
NO960354D0 (no) 1996-01-26
DE69601815D1 (de) 1999-04-29
PL181053B1 (pl) 2001-05-31
NZ280875A (en) 1997-03-24
CZ23896A3 (en) 1996-08-14
NO309788B1 (no) 2001-03-26
JPH08265272A (ja) 1996-10-11
PE46797A1 (es) 1997-11-24
EP0889562A2 (en) 1999-01-07
FI960359A0 (fi) 1996-01-26
EP0724314A1 (en) 1996-07-31
US6018404A (en) 2000-01-25
DE69601815T2 (de) 1999-10-14
ITMI950143A1 (it) 1996-07-27
SK7996A3 (en) 1998-06-03
CN1077365C (zh) 2002-01-02
PL180013B1 (pl) 2000-11-30
EP0724314B1 (en) 1999-03-24
ITMI950143A0 (it) 1995-01-27
EP0889562A3 (en) 1999-01-27
KR960030588A (ko) 1996-08-17
ES2132776T3 (es) 1999-08-16
US5995259A (en) 1999-11-30
HUP9600175A2 (en) 1996-11-28
RU2000113800A (ru) 2002-04-20
NO960354L (no) 1996-07-29
EP0889562B1 (en) 2002-06-26
IT1273465B (it) 1997-07-08
DE69622050D1 (de) 2002-08-01
CA2168187A1 (en) 1996-07-28

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