DD301694A9 - Lichtsignalverstaerker fuer faseroptische uebertragungsleitungen - Google Patents

Lichtsignalverstaerker fuer faseroptische uebertragungsleitungen Download PDF

Info

Publication number
DD301694A9
DD301694A9 DD90342811A DD34281190A DD301694A9 DD 301694 A9 DD301694 A9 DD 301694A9 DD 90342811 A DD90342811 A DD 90342811A DD 34281190 A DD34281190 A DD 34281190A DD 301694 A9 DD301694 A9 DD 301694A9
Authority
DD
German Democratic Republic
Prior art keywords
amplifier
optical
fiber optic
light
output line
Prior art date
Application number
DD90342811A
Other languages
German (de)
English (en)
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11178379&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DD301694(A9) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Pirelli Cavi Spa filed Critical Pirelli Cavi Spa
Publication of DD301694A9 publication Critical patent/DD301694A9/de

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
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
    • G02B6/4207—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms with optical elements reducing the sensitivity to optical feedback
    • G02B6/4208—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms with optical elements reducing the sensitivity to optical feedback using non-reciprocal elements or birefringent plates, i.e. quasi-isolators
    • 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
    • H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
    • H01S3/0064—Anti-reflection devices, e.g. optical isolaters
    • 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
    • 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)
  • Optics & Photonics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)
  • Light Guides In General And Applications Therefor (AREA)
DD90342811A 1989-07-17 1990-07-16 Lichtsignalverstaerker fuer faseroptische uebertragungsleitungen DD301694A9 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8921207A IT1231208B (it) 1989-07-17 1989-07-17 Unita' per l'amplificazione di segnali luminosi in linee di trasmissione a fibre ottiche.

Publications (1)

Publication Number Publication Date
DD301694A9 true DD301694A9 (de) 1993-07-08

Family

ID=11178379

Family Applications (1)

Application Number Title Priority Date Filing Date
DD90342811A DD301694A9 (de) 1989-07-17 1990-07-16 Lichtsignalverstaerker fuer faseroptische uebertragungsleitungen

Country Status (31)

Country Link
EP (1) EP0409012B1 (ja)
JP (1) JPH03101718A (ja)
KR (1) KR0177147B1 (ja)
CN (1) CN1015840B (ja)
AR (1) AR242686A1 (ja)
AT (1) ATE118935T1 (ja)
AU (1) AU634794B2 (ja)
BR (1) BR9003541A (ja)
CA (1) CA2021281C (ja)
CZ (1) CZ281336B6 (ja)
DD (1) DD301694A9 (ja)
DE (1) DE69017108T2 (ja)
DK (1) DK0409012T3 (ja)
ES (1) ES2071705T3 (ja)
FI (1) FI903597A7 (ja)
HK (1) HK1000979A1 (ja)
HU (1) HU210859B (ja)
ID (1) ID1039B (ja)
IE (1) IE67282B1 (ja)
IT (1) IT1231208B (ja)
LT (1) LT3573B (ja)
LV (1) LV10818B (ja)
MX (1) MX173807B (ja)
NO (1) NO303040B1 (ja)
NZ (1) NZ234437A (ja)
PE (1) PE33590A1 (ja)
PL (1) PL167672B1 (ja)
PT (1) PT94717B (ja)
RU (1) RU2025757C1 (ja)
SK (1) SK280814B6 (ja)
UA (1) UA24953A (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5210808A (en) * 1989-07-17 1993-05-11 Pirelli Cavi S.P.A. Unit for amplifying light signals in optical fiber transmission lines
DE4222208A1 (de) * 1992-07-07 1994-01-13 Sel Alcatel Ag Optisches Nachrichtenübertragungssystem mit optischem Filter zum Schutz vor Riesenimpulsen
JP7353975B2 (ja) * 2017-09-08 2023-10-02 古河電気工業株式会社 光モジュール

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2201556B2 (ja) * 1971-09-24 1978-11-24 Siemens Ag
JPS52155901A (en) 1976-06-21 1977-12-24 Nippon Telegr & Teleph Corp <Ntt> Transmission system for optical fiber
US4546476A (en) * 1982-12-10 1985-10-08 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic amplifier
US4596048A (en) * 1983-04-04 1986-06-17 General Electric Company Optically isolated contention bus
GB8512980D0 (en) * 1985-05-22 1985-06-26 Pa Consulting Services Fibre optic transmissions systems
JPS63219186A (ja) 1987-03-09 1988-09-12 Nippon Telegr & Teleph Corp <Ntt> 光アイソレ−タ内蔵半導体レ−ザ・モジユ−ル

Also Published As

Publication number Publication date
AU5895290A (en) 1991-01-17
MX173807B (es) 1994-03-29
IT8921207A0 (it) 1989-07-17
DE69017108D1 (de) 1995-03-30
PL286078A1 (en) 1991-04-08
BR9003541A (pt) 1991-08-27
CS353690A3 (en) 1992-04-15
RU2025757C1 (ru) 1994-12-30
AR242686A1 (es) 1993-04-30
EP0409012A1 (en) 1991-01-23
CN1015840B (zh) 1992-03-11
CN1048961A (zh) 1991-01-30
PL167672B1 (pl) 1995-10-31
SK280814B6 (sk) 2000-08-14
PE33590A1 (es) 1991-01-16
AU634794B2 (en) 1993-03-04
NZ234437A (en) 1993-03-26
DK0409012T3 (da) 1995-05-22
CZ281336B6 (cs) 1996-08-14
IE902584A1 (en) 1991-02-27
HUT54441A (en) 1991-02-28
FI903597A0 (fi) 1990-07-16
NO303040B1 (no) 1998-05-18
IT1231208B (it) 1991-11-23
UA24953A (uk) 1998-12-25
JPH03101718A (ja) 1991-04-26
LT3573B (en) 1995-12-27
ES2071705T3 (es) 1995-07-01
HU210859B (en) 1995-08-28
PT94717A (pt) 1992-02-28
CA2021281A1 (en) 1991-01-18
HU904221D0 (en) 1990-12-28
ID1039B (id) 1996-10-25
NO903172D0 (no) 1990-07-16
IE67282B1 (en) 1996-03-20
HK1000979A1 (en) 1998-05-15
LTIP1608A (en) 1995-07-25
EP0409012B1 (en) 1995-02-22
LV10818A (lv) 1995-08-20
DE69017108T2 (de) 1995-06-14
PT94717B (pt) 2001-06-29
ATE118935T1 (de) 1995-03-15
KR0177147B1 (ko) 1999-05-15
FI903597A7 (fi) 1991-01-18
KR910003919A (ko) 1991-02-28
CA2021281C (en) 1994-05-24
NO903172L (no) 1991-01-18
LV10818B (en) 1996-04-20

Similar Documents

Publication Publication Date Title
DE69325672T2 (de) Optischer Verstärker
DE69005794T2 (de) Optische Verstärkungseinrichtung mit niedrigem Rauschen und Reflexion der Pumpleistung.
DE3785858T2 (de) Soliton-lichtwellenleiteruebertragungssystem.
DE69506077T2 (de) Optischer Verstärker
DE69217426T2 (de) Soliton faseroptisches Übertragungssystem
DE69033858T2 (de) Optischer Verstärker und optisches Übertragungssystem damit
DE69027378T2 (de) Optisches Übertragungssystem
DE3135875C2 (de) Optisches Übertragungssystem
DE4305838A1 (de) Mehrstufiger faseroptischer Verstärker
DE3042896A1 (de) Lichtimpulsleiter
DE69623219T2 (de) Vorrichtung und Verfahren zur Veränderung der Spektraleigenschaften von optischen Signalen
DE19947111A1 (de) Paralleler optischer Faserverstärker mit hohem Leistungsumwandlungswirkungsgrad
EP1130821A2 (de) Rauscharmer bidirektionaler optischer Verstärker
CH662022A5 (de) Verfahren und einrichtung zur ueberwachung einer digitalen uebertragungsanlage.
DE69503101T2 (de) Geregelter optischer Verstärker mit optischem Zirkulator
DE19940309A1 (de) Optischer Faserverstärker für das langwellige Band mit verbesserter Leistungswandlungseffizienz
DE69300426T2 (de) Verstärker mit optischer Leistungsbegrenzung.
DE69121768T2 (de) Faseroptischer Verstärker
DE2143707C3 (de) Verzerrungsarmer elektrischer Signalverstärker mit Vorwärtskopplung
DE2239395A1 (de) Empfaenger zur reduzierung der durch doppelte rueckstreuung verursachten interferenz der von einer dielektrischen wellenleiter-uebertragungsstrecke empfangenen signale
DE69720974T2 (de) Dispersionskompensation bei faseroptischer übertragung
DE69104738T2 (de) Doppelkern-Aktivfaser als optischer Breitband-Signal-Verstärker.
DE19521400A1 (de) Übertragungssystem über eine Lichtleitfaserleitung ohne Signalregenerierung mit Verstärkungen entfernt vom und am Ende
DD301694A9 (de) Lichtsignalverstaerker fuer faseroptische uebertragungsleitungen
DE69115390T2 (de) Optischer Sternkoppler mit der Verwendung von faseroptischer Verstärkungstechnik

Legal Events

Date Code Title Description
A9 Laid open application accord. to par. 10.3 extension act
OAP Request for examination according to article 10 paragraph 4
IF04 In force in the year 2004

Expiry date: 20100717