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BR0007020A - Fibra ótica e linha de transmissão ótica - Google Patents

Fibra ótica e linha de transmissão ótica

Info

Publication number
BR0007020A
BR0007020A BR0007020-3A BR0007020A BR0007020A BR 0007020 A BR0007020 A BR 0007020A BR 0007020 A BR0007020 A BR 0007020A BR 0007020 A BR0007020 A BR 0007020A
Authority
BR
Brazil
Prior art keywords
optical
transmission line
optical fiber
optical transmission
fiber
Prior art date
Application number
BR0007020-3A
Other languages
English (en)
Inventor
Kazunori Mukasa
Original Assignee
Furukawa Eletric 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 Eletric Co Ltd filed Critical Furukawa Eletric Co Ltd
Publication of BR0007020A publication Critical patent/BR0007020A/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
    • G02B6/036—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
    • G02B6/03633—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
    • G02B6/02004—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
    • G02B6/02014—Effective area greater than 60 square microns in the C band, i.e. 1530-1565 nm
    • G02B6/02019—Effective area greater than 90 square microns in the C band, i.e. 1530-1565 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
    • G02B6/02219—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
    • G02B6/02228—Dispersion flattened fibres, i.e. having a low dispersion variation over an extended wavelength range
    • G02B6/02238—Low dispersion slope fibres
    • G02B6/02242—Low dispersion slope fibres having a dispersion slope <0.06 ps/km/nm2
    • 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
    • G02B6/02266—Positive dispersion fibres at 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
    • G02B6/02219—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
    • G02B6/02266—Positive dispersion fibres at 1550 nm
    • G02B6/02271—Non-zero dispersion shifted fibres, i.e. having a small positive dispersion at 1550 nm, e.g. ITU-T G.655 dispersion between 1.0 to 10 ps/nm.km for avoiding nonlinear effects
    • 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
    • G02B6/02276—Dispersion shifted fibres, i.e. zero dispersion at 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
    • G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
    • G02B6/0281—Graded index region forming part of the central core segment, e.g. alpha profile, triangular, trapezoidal core
    • 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
    • G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
    • G02B6/0283—Graded index region external to the central core segment, e.g. sloping layer or triangular or trapezoidal layer
    • G02B6/0285—Graded index layer adjacent to the central core segment and ending at the outer cladding index
    • 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
    • G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
    • G02B6/0286—Combination of graded index in the central core segment and a graded index layer external to the central core segment
    • 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
    • G02B6/03605—Highest refractive index not on central axis
    • G02B6/03611—Highest index adjacent to central axis region, e.g. annular core, coaxial ring, centreline depression affecting waveguiding
    • 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 - +

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 E LINHA DE TRANSMISSãO óTICA"<D>. Fibra ótica que apresenta um valor de dispersão em uma banda de comprimento de onda de 1,55 Ám, de 6 a 24 ps/nm/km, e que satisfaz A > 3 x D + 40, onde D representa um valor de dispersão (ps/nm/km) em um comprimento de onda central de uma banda de comprimento de onda de 1,55 Ám, e A representa uma área efetiva de núcleo (Ám²). Também, é provida uma linha de transmissão ótica para transmitir um sinal ótico, a qual inclui uma fibra ótica.
BR0007020-3A 1999-08-20 2000-08-17 Fibra ótica e linha de transmissão ótica BR0007020A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP23476799 1999-08-20
JP36460999 1999-12-22
PCT/JP2000/005513 WO2001014917A1 (en) 1999-08-20 2000-08-17 Optical fiber and optical transmission line including the same

Publications (1)

Publication Number Publication Date
BR0007020A true BR0007020A (pt) 2001-07-03

Family

ID=26531746

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0007020-3A BR0007020A (pt) 1999-08-20 2000-08-17 Fibra ótica e linha de transmissão ótica

Country Status (6)

Country Link
US (2) US6600862B2 (pt)
EP (1) EP1124145A1 (pt)
CN (1) CN100338488C (pt)
BR (1) BR0007020A (pt)
CA (1) CA2347272A1 (pt)
WO (1) WO2001014917A1 (pt)

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JP4494691B2 (ja) * 1999-06-28 2010-06-30 古河電気工業株式会社 光伝送路
US6611647B2 (en) 2000-12-12 2003-08-26 Corning Incorporated Large effective area optical fiber
US6943935B2 (en) 2001-03-16 2005-09-13 Corning Incorporated Dispersion-managed cable for raman-assisted transmission
AU2002251846A1 (en) * 2001-03-30 2002-10-15 Corning Incorporated Optical transmission line
CA2380342A1 (en) * 2001-04-13 2002-10-13 The Furukawa Electric Co., Ltd Dispersion management optical transmission system and optical transmission line
US6801699B1 (en) 2001-11-15 2004-10-05 Corning Incorporated High capacity optical waveguide fiber
JP2003232950A (ja) * 2002-02-13 2003-08-22 Fujikura Ltd 光ファイバ
WO2003071325A1 (en) 2002-02-15 2003-08-28 Corning Incorporated Low slope dispersion shifted optical fiber
EP1514144A2 (en) * 2002-05-31 2005-03-16 Corning Incorporated Low macrobending loss optical fiber
US6947652B2 (en) * 2002-06-14 2005-09-20 3M Innovative Properties Company Dual-band bend tolerant optical waveguide
JP2005534963A (ja) * 2002-07-31 2005-11-17 コーニング・インコーポレーテッド 大なる実効面積、低傾斜及び低ゼロ分散である非ゼロ分散シフト光ファイバ
US6952519B2 (en) * 2003-05-02 2005-10-04 Corning Incorporated Large effective area high SBS threshold optical fiber
JP2005010777A (ja) * 2003-06-19 2005-01-13 Furukawa Electric Co Ltd:The 光ファイバ、光ファイバモジュールおよびラマン増幅器
US7024083B2 (en) * 2004-02-20 2006-04-04 Corning Incorporated Non-zero dispersion shifted optical fiber
US7082243B2 (en) * 2004-04-05 2006-07-25 Corning Incorporated Large effective area high SBS threshold optical fiber
US7187833B2 (en) * 2004-04-29 2007-03-06 Corning Incorporated Low attenuation large effective area optical fiber
US7336877B2 (en) 2004-08-31 2008-02-26 Corning Incorporated Broadband optical fiber
JP2008209654A (ja) * 2007-02-26 2008-09-11 Furukawa Electric Co Ltd:The 光通信システム
US8315495B2 (en) * 2009-01-30 2012-11-20 Corning Incorporated Large effective area fiber with Ge-free core
JP5684109B2 (ja) * 2009-04-16 2015-03-11 古河電気工業株式会社 マルチコア光ファイバ
CN102823159A (zh) * 2010-03-26 2012-12-12 康宁股份有限公司 低非线性长距离光传输系统
US7929818B1 (en) 2010-06-30 2011-04-19 Corning Incorporated Large effective area fiber with graded index GE-free core
JP5619516B2 (ja) 2010-08-04 2014-11-05 古河電気工業株式会社 光ファイバ
US8670643B2 (en) * 2011-05-18 2014-03-11 Corning Incorporated Large effective area optical fibers
CN109716184B (zh) * 2016-07-20 2022-12-02 罗切斯特大学 用于抑制热模式不稳定性的lma光纤
JP6878514B2 (ja) * 2019-07-22 2021-05-26 京セラ株式会社 受電装置及び光ファイバー給電システム
JP6890638B2 (ja) * 2019-08-05 2021-06-18 京セラ株式会社 光ファイバー給電システム及び光ファイバーケーブル
JP6889225B2 (ja) * 2019-10-21 2021-06-18 京セラ株式会社 光ファイバー給電システム
CN116107018A (zh) * 2021-11-10 2023-05-12 中国移动通信有限公司研究院 少模光纤

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Also Published As

Publication number Publication date
US6959136B2 (en) 2005-10-25
WO2001014917A1 (en) 2001-03-01
US6600862B2 (en) 2003-07-29
US20040033042A1 (en) 2004-02-19
EP1124145A1 (en) 2001-08-16
CN100338488C (zh) 2007-09-19
CA2347272A1 (en) 2001-03-01
CN1321255A (zh) 2001-11-07
US20010021298A1 (en) 2001-09-13

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]
B15K Others concerning applications: alteration of classification

Ipc: G02B 6/036 (2006.01), G02B 6/02 (2006.01), G02B 6/