FI960359A0 - Dubbelriktat optiskt telekommunikationssystem som innebär en dubbelriktad optisk förstärkare - Google Patents

Dubbelriktat optiskt telekommunikationssystem som innebär en dubbelriktad optisk förstärkare

Info

Publication number
FI960359A0
FI960359A0 FI960359A FI960359A FI960359A0 FI 960359 A0 FI960359 A0 FI 960359A0 FI 960359 A FI960359 A FI 960359A FI 960359 A FI960359 A FI 960359A FI 960359 A0 FI960359 A0 FI 960359A0
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)
Finnish (fi)
Other versions
FI960359A (sv
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/sv
Publication of FI960359A publication Critical patent/FI960359A/sv

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
FI960359A 1995-01-27 1996-01-26 Dubbelriktat optiskt telekommunikationssystem som innebär en dubbelriktad optisk förstärkare FI960359A (sv)

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 true FI960359A0 (sv) 1996-01-26
FI960359A FI960359A (sv) 1996-07-28

Family

ID=11370346

Family Applications (1)

Application Number Title Priority Date Filing Date
FI960359A FI960359A (sv) 1995-01-27 1996-01-26 Dubbelriktat optiskt telekommunikationssystem som innebär en dubbelriktad optisk förstärkare

Country Status (21)

Country Link
US (2) US5995259A (sv)
EP (2) EP0889562B1 (sv)
JP (1) JPH08265272A (sv)
KR (1) KR960030588A (sv)
CN (1) CN1077365C (sv)
AU (1) AU708835B2 (sv)
BR (1) BR9600511A (sv)
CA (1) CA2168187A1 (sv)
CZ (1) CZ23896A3 (sv)
DE (2) DE69622050T2 (sv)
ES (1) ES2132776T3 (sv)
FI (1) FI960359A (sv)
HU (1) HU219696B (sv)
IT (1) IT1273465B (sv)
NO (1) NO309788B1 (sv)
NZ (1) NZ280875A (sv)
PE (1) PE46797A1 (sv)
PL (2) PL181053B1 (sv)
RU (1) RU2000113800A (sv)
SK (1) SK7996A3 (sv)
TW (1) TW381378B (sv)

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Also Published As

Publication number Publication date
PL312493A1 (en) 1996-08-05
HUP9600175A2 (en) 1996-11-28
DE69601815T2 (de) 1999-10-14
EP0889562A2 (en) 1999-01-07
PE46797A1 (es) 1997-11-24
JPH08265272A (ja) 1996-10-11
EP0889562B1 (en) 2002-06-26
US6018404A (en) 2000-01-25
AU4217196A (en) 1996-08-08
DE69622050D1 (de) 2002-08-01
DE69622050T2 (de) 2003-02-13
PL181053B1 (pl) 2001-05-31
US5995259A (en) 1999-11-30
EP0724314B1 (en) 1999-03-24
ES2132776T3 (es) 1999-08-16
EP0724314A1 (en) 1996-07-31
HU9600175D0 (en) 1996-03-28
CN1077365C (zh) 2002-01-02
CN1136247A (zh) 1996-11-20
ITMI950143A0 (it) 1995-01-27
TW381378B (en) 2000-02-01
SK7996A3 (en) 1998-06-03
KR960030588A (ko) 1996-08-17
NO309788B1 (no) 2001-03-26
HU219696B (hu) 2001-06-28
PL180013B1 (pl) 2000-11-30
NO960354L (no) 1996-07-29
RU2000113800A (ru) 2002-04-20
FI960359A (sv) 1996-07-28
CA2168187A1 (en) 1996-07-28
HUP9600175A3 (en) 1998-01-28
BR9600511A (pt) 1997-12-30
ITMI950143A1 (it) 1996-07-27
CZ23896A3 (en) 1996-08-14
AU708835B2 (en) 1999-08-12
NO960354D0 (no) 1996-01-26
DE69601815D1 (de) 1999-04-29
EP0889562A3 (en) 1999-01-27
NZ280875A (en) 1997-03-24
IT1273465B (it) 1997-07-08

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