IT1231208B - Unita' per l'amplificazione di segnali luminosi in linee di trasmissione a fibre ottiche. - Google Patents

Unita' per l'amplificazione di segnali luminosi in linee di trasmissione a fibre ottiche.

Info

Publication number
IT1231208B
IT1231208B IT8921207A IT2120789A IT1231208B IT 1231208 B IT1231208 B IT 1231208B IT 8921207 A IT8921207 A IT 8921207A IT 2120789 A IT2120789 A IT 2120789A IT 1231208 B IT1231208 B IT 1231208B
Authority
IT
Italy
Prior art keywords
amplification
unit
fiber optic
transmission lines
light signals
Prior art date
Application number
IT8921207A
Other languages
English (en)
Other versions
IT8921207A0 (it
Inventor
Grasso Giorgio
Righetti Aldo
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=IT1231208(B) "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
Priority to IT8921207A priority Critical patent/IT1231208B/it
Publication of IT8921207A0 publication Critical patent/IT8921207A0/it
Priority to DE69017108T priority patent/DE69017108T2/de
Priority to ES90112920T priority patent/ES2071705T3/es
Priority to DK90112920.5T priority patent/DK0409012T3/da
Priority to AT90112920T priority patent/ATE118935T1/de
Priority to EP90112920A priority patent/EP0409012B1/en
Priority to NZ234437A priority patent/NZ234437A/xx
Priority to AU58952/90A priority patent/AU634794B2/en
Priority to UA4830505A priority patent/UA24953A/uk
Priority to AR90317376A priority patent/AR242686A1/es
Priority to DD90342811A priority patent/DD301694A9/de
Priority to PL90286078A priority patent/PL167672B1/pl
Priority to KR1019900010776A priority patent/KR0177147B1/ko
Priority to NO903172A priority patent/NO303040B1/no
Priority to SU904830505A priority patent/RU2025757C1/ru
Priority to HU904221A priority patent/HU210859B/hu
Priority to IE258490A priority patent/IE67282B1/en
Priority to FI903597A priority patent/FI903597A0/fi
Priority to CA002021281A priority patent/CA2021281C/en
Priority to JP2189289A priority patent/JPH03101718A/ja
Priority to BR909003541A priority patent/BR9003541A/pt
Priority to CS903536A priority patent/CZ281336B6/cs
Priority to PE1990172304A priority patent/PE33590A1/es
Priority to SK3536-90A priority patent/SK280814B6/sk
Priority to CN90104609A priority patent/CN1015840B/zh
Priority to PT94717A priority patent/PT94717B/pt
Priority to MX021622A priority patent/MX173807B/es
Priority to US07/699,920 priority patent/US5210808A/en
Publication of IT1231208B publication Critical patent/IT1231208B/it
Application granted granted Critical
Priority to IDP22091A priority patent/ID1039B/id
Priority to US07/839,056 priority patent/US5204923A/en
Priority to LVP-93-831A priority patent/LV10818B/en
Priority to LTIP1608A priority patent/LT3573B/lt
Priority to HK97102627A priority patent/HK1000979A1/xx

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)
  • Plasma & Fusion (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)
  • Light Guides In General And Applications Therefor (AREA)
IT8921207A 1989-07-17 1989-07-17 Unita' per l'amplificazione di segnali luminosi in linee di trasmissione a fibre ottiche. IT1231208B (it)

Priority Applications (33)

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.
DE69017108T DE69017108T2 (de) 1989-07-17 1990-07-06 Baueinheit zur Verstärkung von Lichtsignalen in optischen Faserübertragungsleitungen.
ES90112920T ES2071705T3 (es) 1989-07-17 1990-07-06 Unidad para la amplificacion de señales de luz en lineas de transmision de fibra optica.
DK90112920.5T DK0409012T3 (da) 1989-07-17 1990-07-06 Enhed til forstærkning af lyssignaler i optiske fibertransmissionsledninger
AT90112920T ATE118935T1 (de) 1989-07-17 1990-07-06 Baueinheit zur verstärkung von lichtsignalen in optischen faserübertragungsleitungen.
EP90112920A EP0409012B1 (en) 1989-07-17 1990-07-06 Unit for amplifying light signals in optical fiber transmission lines
NZ234437A NZ234437A (en) 1989-07-17 1990-07-10 High gain optical amplifier: directional isolators reduce interference
AU58952/90A AU634794B2 (en) 1989-07-17 1990-07-12 Unit for amplifying light signals in optical fiber transmission lines
CA002021281A CA2021281C (en) 1989-07-17 1990-07-16 Unit for amplifying light signals in optical fiber transmission lines
HU904221A HU210859B (en) 1989-07-17 1990-07-16 Unit for amplifying light signals
AR90317376A AR242686A1 (es) 1989-07-17 1990-07-16 Una unidad para amplificar senales de luz en lineas de transmision de fibra optica.
DD90342811A DD301694A9 (de) 1989-07-17 1990-07-16 Lichtsignalverstaerker fuer faseroptische uebertragungsleitungen
PL90286078A PL167672B1 (pl) 1989-07-17 1990-07-16 Urzadzenie wzmacniajace sygnaly swietlne w swiatlowodowych liniach przesylowych PL PL PL PL PL
KR1019900010776A KR0177147B1 (ko) 1989-07-17 1990-07-16 광섬유 전송 회선에서의 광신호를 증폭하는 장치
NO903172A NO303040B1 (no) 1989-07-17 1990-07-16 Enhet for forsterkning av lyssignaler i fiberoptiske overf÷ringsledninger
SU904830505A RU2025757C1 (ru) 1989-07-17 1990-07-16 Устройство для усиления световых сигналов в линиях передачи из оптического волокна
UA4830505A UA24953A (uk) 1989-07-17 1990-07-16 Пристрій для посилеhhя світлових сигhалів у ліhіях передаваhhя з оптичhого волокhа
IE258490A IE67282B1 (en) 1989-07-17 1990-07-16 Unit for amplifying light signals in optical fiber transmission lines
FI903597A FI903597A0 (fi) 1989-07-17 1990-07-16 Anordning foer foerstaerkning av ljussignaler i optiska fibertransmissionslinjer.
BR909003541A BR9003541A (pt) 1989-07-17 1990-07-17 Unidade para amplificar sinais luminosos em linhas de transmissao por fibra optica
CS903536A CZ281336B6 (cs) 1989-07-17 1990-07-17 Jednotka pro zesilování světelných signálů v přenosových vedeních s optickými vlákny
MX021622A MX173807B (es) 1989-07-17 1990-07-17 Mejoras a unidad para amplificar señales de luz en lineas de transmision de fibra optica
JP2189289A JPH03101718A (ja) 1989-07-17 1990-07-17 光ファイバ伝送ラインにおける光信号増幅装置
PE1990172304A PE33590A1 (es) 1989-07-17 1990-07-17 Unidad para amplificar senales luminosas en linea de transmision con fibra optica
SK3536-90A SK280814B6 (sk) 1989-07-17 1990-07-17 Jednotka na zosilňovanie svetelných signálov
CN90104609A CN1015840B (zh) 1989-07-17 1990-07-17 用于放大光纤传输线中光信号的装置
PT94717A PT94717B (pt) 1989-07-17 1990-07-17 Unidade para amplificacao de sinais luminosos em linhas de transmissao por fibra optica
US07/699,920 US5210808A (en) 1989-07-17 1991-05-14 Unit for amplifying light signals in optical fiber transmission lines
IDP22091A ID1039B (id) 1989-07-17 1991-12-12 Unit untuk memperkuat sinyal-sinyal dalam saluran transmisi serat optik
US07/839,056 US5204923A (en) 1989-07-17 1992-02-18 Unit for amplifying light signals in optical fiber transmission lines
LVP-93-831A LV10818B (en) 1989-07-17 1993-06-30 Unit for amplifying light signals in opticaal fiber transmittion lines
LTIP1608A LT3573B (en) 1989-07-17 1993-12-15 Unit for amplifying light signals in optical fiber transmission line
HK97102627A HK1000979A1 (en) 1989-07-17 1997-12-27 Unit for amplifying light signals in optical fiber transmission lines

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 (2)

Publication Number Publication Date
IT8921207A0 IT8921207A0 (it) 1989-07-17
IT1231208B true IT1231208B (it) 1991-11-23

Family

ID=11178379

Family Applications (1)

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

Country Status (31)

Country Link
EP (1) EP0409012B1 (it)
JP (1) JPH03101718A (it)
KR (1) KR0177147B1 (it)
CN (1) CN1015840B (it)
AR (1) AR242686A1 (it)
AT (1) ATE118935T1 (it)
AU (1) AU634794B2 (it)
BR (1) BR9003541A (it)
CA (1) CA2021281C (it)
CZ (1) CZ281336B6 (it)
DD (1) DD301694A9 (it)
DE (1) DE69017108T2 (it)
DK (1) DK0409012T3 (it)
ES (1) ES2071705T3 (it)
FI (1) FI903597A0 (it)
HK (1) HK1000979A1 (it)
HU (1) HU210859B (it)
ID (1) ID1039B (it)
IE (1) IE67282B1 (it)
IT (1) IT1231208B (it)
LT (1) LT3573B (it)
LV (1) LV10818B (it)
MX (1) MX173807B (it)
NO (1) NO303040B1 (it)
NZ (1) NZ234437A (it)
PE (1) PE33590A1 (it)
PL (1) PL167672B1 (it)
PT (1) PT94717B (it)
RU (1) RU2025757C1 (it)
SK (1) SK280814B6 (it)
UA (1) UA24953A (it)

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
CN111095697A (zh) * 2017-09-08 2020-05-01 古河电气工业株式会社 光模块

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2201556B2 (it) * 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
IE67282B1 (en) 1996-03-20
CZ281336B6 (cs) 1996-08-14
AU5895290A (en) 1991-01-17
ID1039B (id) 1996-10-25
MX173807B (es) 1994-03-29
AR242686A1 (es) 1993-04-30
CS353690A3 (en) 1992-04-15
ES2071705T3 (es) 1995-07-01
HU904221D0 (en) 1990-12-28
SK280814B6 (sk) 2000-08-14
DK0409012T3 (da) 1995-05-22
PL167672B1 (pl) 1995-10-31
ATE118935T1 (de) 1995-03-15
HK1000979A1 (en) 1998-05-15
PT94717A (pt) 1992-02-28
PE33590A1 (es) 1991-01-16
DE69017108T2 (de) 1995-06-14
HU210859B (en) 1995-08-28
HUT54441A (en) 1991-02-28
CN1015840B (zh) 1992-03-11
NO303040B1 (no) 1998-05-18
PL286078A1 (en) 1991-04-08
LV10818B (en) 1996-04-20
LV10818A (lv) 1995-08-20
CN1048961A (zh) 1991-01-30
KR0177147B1 (ko) 1999-05-15
CA2021281C (en) 1994-05-24
IT8921207A0 (it) 1989-07-17
FI903597A0 (fi) 1990-07-16
RU2025757C1 (ru) 1994-12-30
KR910003919A (ko) 1991-02-28
LT3573B (en) 1995-12-27
UA24953A (uk) 1998-12-25
DD301694A9 (de) 1993-07-08
NZ234437A (en) 1993-03-26
AU634794B2 (en) 1993-03-04
EP0409012A1 (en) 1991-01-23
NO903172D0 (no) 1990-07-16
NO903172L (no) 1991-01-18
JPH03101718A (ja) 1991-04-26
CA2021281A1 (en) 1991-01-18
EP0409012B1 (en) 1995-02-22
LTIP1608A (en) 1995-07-25
PT94717B (pt) 2001-06-29
DE69017108D1 (de) 1995-03-30
BR9003541A (pt) 1991-08-27
IE902584A1 (en) 1991-02-27

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970729