NO912000L - Enhet for forsterkning av lyssignaler i fiberoptiske overfoeringsledninger - Google Patents

Enhet for forsterkning av lyssignaler i fiberoptiske overfoeringsledninger

Info

Publication number
NO912000L
NO912000L NO91912000A NO912000A NO912000L NO 912000 L NO912000 L NO 912000L NO 91912000 A NO91912000 A NO 91912000A NO 912000 A NO912000 A NO 912000A NO 912000 L NO912000 L NO 912000L
Authority
NO
Norway
Prior art keywords
reflectivity
fiberoptic
unit
amplifier
light signals
Prior art date
Application number
NO91912000A
Other languages
English (en)
Norwegian (no)
Other versions
NO912000D0 (no
Inventor
Giorgio Grasso
Aldo Righetti
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 NO912000D0 publication Critical patent/NO912000D0/no
Publication of NO912000L publication Critical patent/NO912000L/no

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/04—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only
    • H03F3/08—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only controlled by light
    • 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
    • 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
    • H04B10/29—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
    • 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
    • H01S2301/00—Functional characteristics
    • H01S2301/02—ASE (amplified spontaneous emission), noise; Reduction thereof

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Power Engineering (AREA)
  • Lasers (AREA)
  • Optical Communication System (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Transform (AREA)
NO91912000A 1990-05-25 1991-05-24 Enhet for forsterkning av lyssignaler i fiberoptiske overfoeringsledninger NO912000L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02043490A IT1248821B (it) 1990-05-25 1990-05-25 Linea di telecomunicazione a fibre ottiche con amplificatori ottici a fibra attiva con ridotte riflessioni

Publications (2)

Publication Number Publication Date
NO912000D0 NO912000D0 (no) 1991-05-24
NO912000L true NO912000L (no) 1991-11-26

Family

ID=11166891

Family Applications (1)

Application Number Title Priority Date Filing Date
NO91912000A NO912000L (no) 1990-05-25 1991-05-24 Enhet for forsterkning av lyssignaler i fiberoptiske overfoeringsledninger

Country Status (20)

Country Link
EP (1) EP0458256A1 (cs)
JP (1) JPH07107041A (cs)
KR (1) KR100192229B1 (cs)
CN (1) CN1032029C (cs)
AU (1) AU644869B2 (cs)
BR (1) BR9102259A (cs)
CZ (1) CZ280817B6 (cs)
FI (1) FI912525L (cs)
HU (1) HU217495B (cs)
IE (1) IE911781A1 (cs)
IT (1) IT1248821B (cs)
MY (1) MY106157A (cs)
NO (1) NO912000L (cs)
NZ (1) NZ238157A (cs)
PE (1) PE26891A1 (cs)
PL (1) PL168016B1 (cs)
PT (1) PT97751B (cs)
RU (1) RU2105419C1 (cs)
SK (1) SK278796B6 (cs)
TW (1) TW218039B (cs)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4222208A1 (de) * 1992-07-07 1994-01-13 Sel Alcatel Ag Optisches Nachrichtenübertragungssystem mit optischem Filter zum Schutz vor Riesenimpulsen
EP0734105B1 (en) * 1995-03-20 2004-09-29 Fujitsu Limited Optical fiber amplifier and dispersion compensating fiber module for optical fiber amplifier
JP4574920B2 (ja) * 1999-07-08 2010-11-04 アルカテル−ルーセント レーリー散乱によって生じるラマン増幅の制限を越えるためのアイソレータの使用
RU2249838C2 (ru) * 2002-04-08 2005-04-10 Открытое акционерное общество Пермская научно-производственная приборостроительная компания Способ изготовления устройства устранения обратноотраженного луча для волоконно-оптического гироскопа
CN110702239B (zh) * 2019-10-28 2020-12-18 电子科技大学 一种无限散射单光子探测光时域反射测量方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4546476A (en) * 1982-12-10 1985-10-08 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic amplifier
GB2220789B (en) * 1988-07-15 1992-08-26 Stc Plc Low coherence optical source

Also Published As

Publication number Publication date
TW218039B (cs) 1993-12-21
EP0458256A1 (en) 1991-11-27
IT9020434A0 (cs) 1990-05-25
BR9102259A (pt) 1992-01-14
AU7703891A (en) 1991-11-28
JPH07107041A (ja) 1995-04-21
SK278796B6 (sk) 1998-03-04
PL168016B1 (pl) 1995-12-30
NZ238157A (en) 1993-07-27
FI912525A7 (fi) 1991-11-26
PL290378A1 (en) 1992-01-13
FI912525L (fi) 1991-11-26
RU2105419C1 (ru) 1998-02-20
HU911617D0 (en) 1991-11-28
CN1057721A (zh) 1992-01-08
CS152591A3 (en) 1992-02-19
HUT60579A (en) 1992-09-28
FI912525A0 (fi) 1991-05-24
CN1032029C (zh) 1996-06-12
PT97751A (pt) 1993-06-30
IE911781A1 (en) 1991-12-04
KR100192229B1 (ko) 1999-06-15
PE26891A1 (es) 1991-09-09
IT1248821B (it) 1995-01-30
CZ280817B6 (cs) 1996-04-17
PT97751B (pt) 1998-12-31
HU217495B (hu) 2000-02-28
KR910021006A (ko) 1991-12-20
NO912000D0 (no) 1991-05-24
MY106157A (en) 1995-03-31
IT9020434A1 (it) 1991-11-25
AU644869B2 (en) 1993-12-23

Similar Documents

Publication Publication Date Title
NO952928L (no) Forsterket telekommunikasjonssystem for bölgelengdedelt multipleksoverföring, og som er i stand til å begrense variasjoner i utgangseffekten
NO911019L (no) Fiberoptisk interferometrisk avfoeler.
BR9807355A (pt) Dispositivo amplificador óptico, rede de fibra óptica, e, processo para amplificar sinais luminosos viajando em um enlace de transmissão óptico
NO912505L (no) Sprednings-utlignet optisk-fiberforbindelse.
NZ507188A (en) Guide wire assembly
CA2314420A1 (en) Optical filter
IT1256222B (it) Generatore ottico di segnali ad alta potenza per impianti di telecomunicazione
SE8903258D0 (sv) Maettad halvledarlaserfoerstaerkare foer kompensering av optisk fiberdispersion
NO930875L (no) Ikke-lineaer optisk kobler med dopet optisk boelgeleder
NO904363L (no) Vanntett optisk fiberkabel.
NO912000L (no) Enhet for forsterkning av lyssignaler i fiberoptiske overfoeringsledninger
FR2430025A1 (fr) Coupleur a fibres optiques
FR2433765A1 (fr) Dispositif de couplage de fibre optique
NO955095L (no) Bölgelengdedelt multipleks-telekommunikasjonssystem med spredningsforskjövne, optiske fibrer
NO920491L (no) Forsterker for optisk fiberkommunikasjonsledd
CA2090679A1 (en) Optical fibre amplifier and laser
BR9913820A (pt) InterferÈmetro mach-zender de fibra óticafabricado com acopladores assimétricos
CA2035804A1 (en) Double-core, active fiber optical amplifier having a wide band signal wavelength
FR2396318A1 (fr) Dispositif intercouplant des fibres photoconductrices
CA2061095A1 (en) Fiber-Optic Amplifier
CA2060287A1 (en) Optical amplifier
FR2737787A1 (fr) Amplificateur optique bidirectionnel pour systemes optiques a multiplexage en longueur d'onde
JPS5535354A (en) Semiconductor laser beam branching device
JPS5488136A (en) Optical branching filter for optical fibers
CA2042987A1 (en) Unit for amplifying light signals in optical fiber transmission lines