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BR9907052A - Fibra ótica compensadora de dispersão e linha de transmissão ótica com comprimento de onda multiplexado compreendendo fibra ótica compensadora de dispersão - Google Patents

Fibra ótica compensadora de dispersão e linha de transmissão ótica com comprimento de onda multiplexado compreendendo fibra ótica compensadora de dispersão

Info

Publication number
BR9907052A
BR9907052A BR9907052-9A BR9907052A BR9907052A BR 9907052 A BR9907052 A BR 9907052A BR 9907052 A BR9907052 A BR 9907052A BR 9907052 A BR9907052 A BR 9907052A
Authority
BR
Brazil
Prior art keywords
dispersion
optical fiber
dispersion compensating
compensating optical
transmission line
Prior art date
Application number
BR9907052-9A
Other languages
English (en)
Inventor
Kazunori Mukasa
Original Assignee
Furukawa Electric Co Ltd
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 Furukawa Electric Co Ltd filed Critical Furukawa Electric Co Ltd
Publication of BR9907052A publication Critical patent/BR9907052A/pt

Links

Classifications

    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02004—Optical fibres with cladding with or without a coating characterised by the core effective area or mode field radius
    • G02B6/02009—Large effective area or mode field radius, e.g. to reduce nonlinear effects in single mode fibres
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02004—Optical fibres with cladding with or without a coating characterised by the core effective area or mode field radius
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02214—Optical fibres with cladding with or without a coating tailored to obtain the desired dispersion, e.g. dispersion shifted, dispersion flattened
    • G02B6/02219—Characterised by the wavelength dispersion properties in the silica low loss window around 1550 nm, i.e. S, C, L and U bands from 1460-1675 nm
    • G02B6/02252—Negative dispersion fibres at 1550 nm
    • G02B6/02261—Dispersion compensating fibres, i.e. for compensating positive dispersion of other fibres
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02214—Optical fibres with cladding with or without a coating tailored to obtain the desired dispersion, e.g. dispersion shifted, dispersion flattened
    • G02B6/0228—Characterised by the wavelength dispersion slope properties around 1550 nm
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02214—Optical fibres with cladding with or without a coating tailored to obtain the desired dispersion, e.g. dispersion shifted, dispersion flattened
    • G02B6/02285—Characterised by the polarisation mode dispersion [PMD] properties, e.g. for minimising PMD
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
    • G02B6/03622—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only
    • G02B6/03627—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only arranged - +
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
    • G02B6/03638—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 3 layers only
    • G02B6/03644—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 3 layers only arranged - + -

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)

Abstract

Patente de Invenção: <B>"FIBRA óTICA COMPENSADORA DE DISPERSãO E LINHA DE TRANSMISSãO óTICA COM COMPRIMENTO DE ONDA MULTIPLEXADO COMPREENDENDO FIBRA óTICA COMPENSADORA DE DISPERSãO" A invenção refere-se a uma fibra ótica compensadora de dispersão, a qual é conectada a uma fibra ótica tendo um valor de dispersão positivo em uma banda de comprimento de onda de 1,55 Ám e, simultaneamente, tem uma função de compensação de dispersão de fibras óticas, tendo um valor de dispersão positivo e uma função em que atua como uma linha de transmissão ótica e refere-se a uma linha de transmissão ótica de multiplexação por divisão de comprimento de onda, usando a fibra ótica compensadora de dispersão O perfil de índice refrativo da fibra ótica compensadora de dispersão é determinado para ser em forma de W. 1,0%<243> <30>1 <243>1,48% e -0,45 <243> <30>2/<30>1 /<243> 0,285 são estabelecidos, onde a diferença de índice refrativo relativo do referido núcleo central (1) com relação ao referido revestimento (3) é <30>1 e a diferença de índice refrativo relativo ao referido núcleo lateral (2) com relação ao revestimento (3) é <30>2 e ainda 0,4<243>Ra<243>0,5 é estabelecido, onde o valor RA (Ra = a/b) do diâmetro externo a do núcleo central (1) com relação ao diâmetro externo b do núcleo lateral (2) é Ra. A inclinação de dispersão em um comprimento de onda de 1,55 Ám é negativa e o valor de dispersão <sym> é -50ps/nm/km <243> <sym> < -20ps/nm/km, em que a perda de transmissão é 0,25 dB/km ou menos, o valor de dispersão de modo de polarização é 0,15ps/km^ 1/2^ ou menos e o diâmetro de campo de modo é 5,5 Ám ou mais.
BR9907052-9A 1998-10-23 1999-10-21 Fibra ótica compensadora de dispersão e linha de transmissão ótica com comprimento de onda multiplexado compreendendo fibra ótica compensadora de dispersão BR9907052A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP31992098 1998-10-23
PCT/JP1999/005816 WO2000025158A1 (fr) 1998-10-23 1999-10-21 Fibre optique a compensation de dispersion et ligne de transmission optique multiplex de longueurs d'ondes comprenant cette fibre optique

Publications (1)

Publication Number Publication Date
BR9907052A true BR9907052A (pt) 2000-10-17

Family

ID=18115716

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9907052-9A BR9907052A (pt) 1998-10-23 1999-10-21 Fibra ótica compensadora de dispersão e linha de transmissão ótica com comprimento de onda multiplexado compreendendo fibra ótica compensadora de dispersão

Country Status (7)

Country Link
US (2) US6470126B1 (pt)
EP (1) EP1043609A1 (pt)
JP (1) JP4247950B2 (pt)
CN (1) CN1148589C (pt)
BR (1) BR9907052A (pt)
CA (1) CA2316181A1 (pt)
WO (1) WO2000025158A1 (pt)

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Also Published As

Publication number Publication date
JP4247950B2 (ja) 2009-04-02
EP1043609A1 (en) 2000-10-11
US20030049005A1 (en) 2003-03-13
WO2000025158A1 (fr) 2000-05-04
CA2316181A1 (en) 2000-05-04
CN1287621A (zh) 2001-03-14
CN1148589C (zh) 2004-05-05
US6470126B1 (en) 2002-10-22

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