DE69104738T2 - Doppelkern-Aktivfaser als optischer Breitband-Signal-Verstärker. - Google Patents

Doppelkern-Aktivfaser als optischer Breitband-Signal-Verstärker.

Info

Publication number
DE69104738T2
DE69104738T2 DE69104738T DE69104738T DE69104738T2 DE 69104738 T2 DE69104738 T2 DE 69104738T2 DE 69104738 T DE69104738 T DE 69104738T DE 69104738 T DE69104738 T DE 69104738T DE 69104738 T2 DE69104738 T2 DE 69104738T2
Authority
DE
Germany
Prior art keywords
core
sections
fiber
cores
signal amplifier
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69104738T
Other languages
German (de)
English (en)
Other versions
DE69104738D1 (de
Inventor
Giorgo Grasso
Paul Laurence Scrivener
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pirelli and C SpA
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
Application granted granted Critical
Publication of DE69104738D1 publication Critical patent/DE69104738D1/de
Publication of DE69104738T2 publication Critical patent/DE69104738T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06Construction or shape of active medium
    • H01S3/063Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067Fibre lasers
    • H01S3/06754Fibre amplifiers
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/28Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G02B6/2821Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals
    • G02B6/2826Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals using mechanical machining means for shaping of the couplers, e.g. grinding or polishing
    • G02B6/283Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals using mechanical machining means for shaping of the couplers, e.g. grinding or polishing couplers being tunable or adjustable
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/28Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G02B6/2821Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals
    • G02B6/2835Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals formed or shaped by thermal treatment, e.g. couplers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06Construction or shape of active medium
    • H01S3/063Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067Fibre lasers
    • H01S3/06708Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/28Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G02B6/2821Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals
    • G02B6/2835Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals formed or shaped by thermal treatment, e.g. couplers
    • G02B2006/2839Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals formed or shaped by thermal treatment, e.g. couplers fabricated from double or twin core fibres
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S2301/00Functional characteristics
    • H01S2301/02ASE (amplified spontaneous emission), noise; Reduction thereof
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06Construction or shape of active medium
    • H01S3/063Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067Fibre lasers
    • H01S3/06708Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
    • H01S3/06729Peculiar transverse fibre profile

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Lasers (AREA)
  • Optical Communication System (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
DE69104738T 1990-02-07 1991-01-28 Doppelkern-Aktivfaser als optischer Breitband-Signal-Verstärker. Expired - Fee Related DE69104738T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT01928090A IT1237970B (it) 1990-02-07 1990-02-07 Amplificatore ottico a fibra attiva,con porzioni a doppio nucleo,a larga banda di lunghezza d'onda di segnale

Publications (2)

Publication Number Publication Date
DE69104738D1 DE69104738D1 (de) 1994-12-01
DE69104738T2 true DE69104738T2 (de) 1995-05-11

Family

ID=11156365

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69104738T Expired - Fee Related DE69104738T2 (de) 1990-02-07 1991-01-28 Doppelkern-Aktivfaser als optischer Breitband-Signal-Verstärker.

Country Status (29)

Country Link
EP (1) EP0441211B1 (enExample)
JP (2) JP3045550B2 (enExample)
KR (1) KR0179024B1 (enExample)
CN (1) CN1023348C (enExample)
AR (1) AR246642A1 (enExample)
AT (1) ATE113419T1 (enExample)
AU (1) AU646238B2 (enExample)
BR (1) BR9100626A (enExample)
CA (1) CA2035804C (enExample)
CZ (1) CZ280565B6 (enExample)
DE (1) DE69104738T2 (enExample)
DK (1) DK0441211T3 (enExample)
ES (1) ES2065555T3 (enExample)
FI (1) FI104293B (enExample)
HK (1) HK100195A (enExample)
HU (1) HU212954B (enExample)
IE (1) IE66727B1 (enExample)
IT (1) IT1237970B (enExample)
LT (1) LT3572B (enExample)
LV (1) LV10984B (enExample)
MY (1) MY106104A (enExample)
NO (1) NO303956B1 (enExample)
NZ (1) NZ237031A (enExample)
PL (1) PL165200B1 (enExample)
PT (1) PT96683B (enExample)
RU (1) RU2063105C1 (enExample)
SK (1) SK278932B6 (enExample)
TW (1) TW198100B (enExample)
UA (1) UA25931A1 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2265751B (en) * 1992-03-23 1995-12-20 Univ Southampton Optical amplifier with automatic self adjusting gain spectrum
IT1270032B (it) * 1994-04-14 1997-04-28 Pirelli Cavi Spa Sistema di telecomunicazione amplificata a multiplazione a divisione di lunghezza d'onda
PE41196A1 (es) * 1994-07-25 1996-12-17 Pirelli Cavi Spa Sistema de telecomunicacion amplificado para transmisiones en multiplex por division de longitud de onda, capaz de limitar las variaciones en la potencia de salida
IT1273676B (it) * 1994-07-25 1997-07-09 Pirelli Cavi Spa Sistema di telecomunicazione amplificata a multiplazione a divisione di lunghezza d'onda,con potenza di ricezione equalizzata
DE19740743C1 (de) * 1997-09-16 1999-01-21 Siemens Ag Optischer Verstärker für Gewinnregelung
JP2001094304A (ja) 1999-09-17 2001-04-06 Tdk Corp 誘電体フィルタ及びその製造方法
RU2153228C1 (ru) * 1999-10-12 2000-07-20 Военный университет связи Автоматическое устройство обхода для волоконно-оптических сетей связи
FR2822313B1 (fr) * 2001-03-16 2003-07-25 Highwave Optical Tech Composant optique a base de fibre bi-coeur avec entrees/sorties en fibres mono-coeur
CN1325991C (zh) * 2003-11-14 2007-07-11 中国科学院上海光学精密机械研究所 双芯双包层光纤二波长光放大装置
EP1942083A1 (en) * 2006-12-07 2008-07-09 Datwyler Fiber Optics S.A. Method and apparatus for fabricating a preform for an active optical fiber, active optical fiber and amplifier
KR102428755B1 (ko) * 2017-11-24 2022-08-02 엘지디스플레이 주식회사 파장 변환이 가능한 광섬유 및 이를 사용하는 백라이트 유닛
DE102019114974A1 (de) * 2019-06-04 2020-12-10 Friedrich-Schiller-Universität Jena Lichtwellenleiter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4315666A (en) * 1979-03-19 1982-02-16 Hicks Jr John W Coupled communications fibers
US4546476A (en) * 1982-12-10 1985-10-08 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic amplifier
WO1986002171A1 (en) * 1984-10-01 1986-04-10 Polaroid Corporation Optical waveguide amplifier and laser
US4883335A (en) * 1986-01-06 1989-11-28 American Telephone And Telegraph Company Single-mode optical fiber tap
US5087108A (en) 1989-08-11 1992-02-11 Societa' Cavi Pirelli S.P.A. Double-core active-fiber optical amplifier having a wide-band signal wavelength

Also Published As

Publication number Publication date
IT9019280A0 (it) 1990-02-07
EP0441211A2 (en) 1991-08-14
TW198100B (enExample) 1993-01-11
LTIP1607A (en) 1995-07-25
HUT60551A (en) 1992-09-28
IE904570A1 (en) 1991-08-14
JP3240302B2 (ja) 2001-12-17
EP0441211A3 (en) 1992-12-02
AU7080891A (en) 1991-08-08
IT1237970B (it) 1993-06-19
MY106104A (en) 1995-03-31
JP3045550B2 (ja) 2000-05-29
CA2035804A1 (en) 1991-08-08
PT96683B (pt) 1998-08-31
CZ280565B6 (cs) 1996-02-14
FI910573L (fi) 1991-08-08
HU910401D0 (en) 1991-08-28
CN1023348C (zh) 1993-12-29
NO303956B1 (no) 1998-09-28
HK100195A (en) 1995-06-30
LV10984A (lv) 1995-12-20
BR9100626A (pt) 1991-10-29
EP0441211B1 (en) 1994-10-26
NO910461L (no) 1991-08-08
SK278932B6 (sk) 1998-04-08
HU212954B (en) 1996-12-30
ATE113419T1 (de) 1994-11-15
DK0441211T3 (da) 1995-04-24
FI910573A0 (fi) 1991-02-06
JPH0774414A (ja) 1995-03-17
CA2035804C (en) 1998-12-01
FI104293B1 (fi) 1999-12-15
IE66727B1 (en) 1996-01-24
LV10984B (en) 1996-02-20
PL165200B1 (pl) 1994-11-30
PL288961A1 (en) 1991-10-21
DE69104738D1 (de) 1994-12-01
JP2000106465A (ja) 2000-04-11
UA25931A1 (uk) 1999-02-26
ES2065555T3 (es) 1995-02-16
KR0179024B1 (ko) 1999-05-15
CS9100283A2 (en) 1991-09-15
IT9019280A1 (it) 1991-08-07
NZ237031A (en) 1994-08-26
RU2063105C1 (ru) 1996-06-27
LT3572B (en) 1995-12-27
KR910015872A (ko) 1991-09-30
AR246642A1 (es) 1994-08-31
AU646238B2 (en) 1994-02-17
PT96683A (pt) 1992-12-31
CN1054670A (zh) 1991-09-18
NO910461D0 (no) 1991-02-06
FI104293B (fi) 1999-12-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee