WO2002088801A3 - Fibres photoniques en cristal a compensation de dispersion par mode de rang superieur - Google Patents

Fibres photoniques en cristal a compensation de dispersion par mode de rang superieur Download PDF

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Publication number
WO2002088801A3
WO2002088801A3 PCT/DK2002/000164 DK0200164W WO02088801A3 WO 2002088801 A3 WO2002088801 A3 WO 2002088801A3 DK 0200164 W DK0200164 W DK 0200164W WO 02088801 A3 WO02088801 A3 WO 02088801A3
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WO
WIPO (PCT)
Prior art keywords
max
refractive index
cladding
region
core
Prior art date
Application number
PCT/DK2002/000164
Other languages
English (en)
Other versions
WO2002088801A2 (fr
Inventor
Jes Broeng
Anders Bjarklev
Stig Eigil Barkou Libori
Original Assignee
Crystal Fibre As
Jes Broeng
Anders Bjarklev
Stig Eigil Barkou Libori
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 Crystal Fibre As, Jes Broeng, Anders Bjarklev, Stig Eigil Barkou Libori filed Critical Crystal Fibre As
Priority to AU2002237219A priority Critical patent/AU2002237219A1/en
Publication of WO2002088801A2 publication Critical patent/WO2002088801A2/fr
Publication of WO2002088801A3 publication Critical patent/WO2002088801A3/fr

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
    • G02B6/02295—Microstructured optical fibre
    • G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
    • G02B6/02319—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by core or core-cladding interface features
    • G02B6/02323—Core having lower refractive index than cladding, e.g. photonic band gap guiding
    • G02B6/02328—Hollow or gas filled core
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
    • C03B37/01211—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments by inserting one or more rods or tubes into a tube
    • C03B37/01217—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments by inserting one or more rods or tubes into a tube for making preforms of polarisation-maintaining optical fibres
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
    • C03B37/01211—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments by inserting one or more rods or tubes into a tube
    • C03B37/0122—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments by inserting one or more rods or tubes into a tube for making preforms of photonic crystal, microstructured or holey optical 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
    • G02B6/02219—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
    • G02B6/02295—Microstructured optical fibre
    • G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
    • G02B6/02319—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by core or core-cladding interface features
    • G02B6/02338—Structured core, e.g. core contains more than one material, non-constant refractive index distribution in core, asymmetric or non-circular elements in core unit, multiple cores, insertions between core and clad
    • 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
    • G02B6/02295—Microstructured optical fibre
    • G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
    • G02B6/02342—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by cladding features, i.e. light confining region
    • G02B6/02347—Longitudinal structures arranged to form a regular periodic lattice, e.g. triangular, square, honeycomb unit cell repeated throughout cladding
    • 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
    • G02B6/02295—Microstructured optical fibre
    • G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
    • G02B6/02342—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by cladding features, i.e. light confining region
    • G02B6/02357—Property of longitudinal structures or background material varies radially and/or azimuthally in the cladding, e.g. size, spacing, periodicity, shape, refractive index, graded index, quasiperiodic, quasicrystals
    • 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
    • G02B6/02295—Microstructured optical fibre
    • G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
    • G02B6/02342—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by cladding features, i.e. light confining region
    • G02B6/02361—Longitudinal structures forming multiple layers around the core, e.g. arranged in multiple rings with each ring having longitudinal elements at substantially the same radial distance from the core, having rotational symmetry about the fibre axis
    • 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
    • G02B6/02295—Microstructured optical fibre
    • G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
    • G02B6/02342—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by cladding features, i.e. light confining region
    • G02B6/02366—Single ring of structures, e.g. "air clad"
    • 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
    • G02B6/02295—Microstructured optical fibre
    • G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
    • G02B6/02342—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by cladding features, i.e. light confining region
    • G02B6/02371—Cross section of longitudinal structures is non-circular
    • 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 - +
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/30—Polarisation maintaining [PM], i.e. birefringent products, e.g. with elliptical core, by use of stress rods, "PANDA" type fibres
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/36—Dispersion modified fibres, e.g. wavelength or polarisation shifted, flattened or compensating fibres (DSF, DFF, DCF)
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/42—Photonic crystal fibres, e.g. fibres using the photonic bandgap PBG effect, microstructured or holey optical 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
    • G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
    • G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
    • G02B6/02114—Refractive index modulation gratings, e.g. Bragg gratings characterised by enhanced photosensitivity characteristics of the fibre, e.g. hydrogen loading, heat treatment
    • G02B6/02119—Photosensitivity profiles determining the grating structure, e.g. radial or longitudinal
    • 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
    • G02B6/02295—Microstructured optical fibre
    • G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
    • G02B6/02385—Comprising liquid, e.g. fluid filled holes
    • 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
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/14—Mode converters
    • 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
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29371—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating principle based on material dispersion
    • G02B6/29374—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating principle based on material dispersion in an optical light guide
    • G02B6/29376—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating principle based on material dispersion in an optical light guide coupling light guides for controlling wavelength dispersion, e.g. by concatenation of two light guides having different dispersion properties
    • G02B6/29377—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating principle based on material dispersion in an optical light guide coupling light guides for controlling wavelength dispersion, e.g. by concatenation of two light guides having different dispersion properties controlling dispersion around 1550 nm, i.e. S, C, L and U bands from 1460-1675 nm
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57—Improving the yield, e-g- reduction of reject rates

Abstract

L'invention concerne un éventail de revêtements et de coeurs (clad(ding) et core), notamment pour fibres optiques, qui offrent des propriétés de dispersion améliorées reposant sur l'utilisation de guides d'ondes à modes de rang supérieur. Selon un premier aspect, l'invention concerne une fibre optique à structure de guide d'ondes pour transmission de la lumière selon une longueur d'onde préétablie ou opérationnelle λ0, à direction longitudinale et section transversale perpendiculaire à cette direction, comprenant: une région centrale (41), dotée d'un axe central dans la direction longitudinale considérée, qui s'étend le long de l'axe en question et qui englobe cet axe, avec une périphérie externe séparée par une distance maximum de l'axe rcentre,max, un indice de réfraction minimum ncentre,min, un indice de réfraction efficace n¿centre,eff ?et/ou un indice géométrique résultant ng,centre; une région coeur (43) qui s'étend le long de la direction longitudinale considérée et entoure la région centrale (41), et qui présente une périphérie interne coïncidant avec la périphérie externe de la région centrale, et qui présente en outre une périphérie externe séparée par une distance maximale de l'axe central rcore,max, un indice de réfraction maximum ncore,max, un indice de réfraction efficace n¿core,eff ?et/ou un indice géométrique résultant ng,core; une région de revêtement (45, 46) qui s'étend le long de la direction longitudinale considérée, qui entoure la région coeur (43) et qui est proche d'elle, et qui présente une périphérie interne coïncidant avec la périphérie externe de la région coeur, et qui présente en outre une périphérie externe séparée par une distance maximale de l'axe central rcladding,max, un indice de réfraction maximum nclad,max, un indice de réfraction efficace n¿clad,eff ?et/ou un indice géométrique résultant ng,clad. De préférence, n¿centre,eff ?est inférieur ou égal à n¿clad,eff et nclad,eff ?est inférieur à n¿core,eff ?à la longueur d'onde λ0, et/ou de préférence n¿g,centre ?est inférieur ou égal à ng,clad et ng,clad est inférieur à ng,core à la longueur d'onde λ0. Dans tel ou tel mode de réalisation préféré, la région coeur et/ou la région revêtement comprennent des (micro)-structures. L'invention concerne par ailleurs un module de compensation de dispersion comprenant les fibres optiques considérées - et une préforme pour leur fabrication. On peut citer comme application le cas des systèmes de communications par fibres optiques de capacité et de débit de transmission élevés (par exemple, à multiplexage par répartition en longueur d'onde).
PCT/DK2002/000164 2001-03-12 2002-03-12 Fibres photoniques en cristal a compensation de dispersion par mode de rang superieur WO2002088801A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002237219A AU2002237219A1 (en) 2001-03-12 2002-03-12 Higher-order-mode dispersion compensating photonic crystal fibres

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DKPA200100416 2001-03-12
DKPA200100416 2001-03-12
US34187101P 2001-12-21 2001-12-21
US60/341,871 2001-12-21

Publications (2)

Publication Number Publication Date
WO2002088801A2 WO2002088801A2 (fr) 2002-11-07
WO2002088801A3 true WO2002088801A3 (fr) 2007-11-29

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PCT/DK2002/000164 WO2002088801A2 (fr) 2001-03-12 2002-03-12 Fibres photoniques en cristal a compensation de dispersion par mode de rang superieur

Country Status (2)

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AU (1) AU2002237219A1 (fr)
WO (1) WO2002088801A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8995051B2 (en) 2007-09-26 2015-03-31 Imra America, Inc. Glass large-core optical fibers

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Publication number Priority date Publication date Assignee Title
US7321712B2 (en) 2002-12-20 2008-01-22 Crystal Fibre A/S Optical waveguide
WO2004083919A1 (fr) 2003-03-21 2004-09-30 Crystal Fibre A/S Guide d'onde optique a bande photonique interdite dote de nodules anti-resonants a la limite du noyau
WO2004057391A1 (fr) 2002-12-20 2004-07-08 Crystal Fibre A/S Guide d'onde optique
US7082242B2 (en) 2003-01-31 2006-07-25 Corning Incorporated Multiple core microstructured optical fibers and methods using said fibers
JP4047232B2 (ja) 2003-06-18 2008-02-13 株式会社フジクラ 高次モードファイバ用モード変換器
US7280730B2 (en) 2004-01-16 2007-10-09 Imra America, Inc. Large core holey fibers
US7787729B2 (en) 2005-05-20 2010-08-31 Imra America, Inc. Single mode propagation in fibers and rods with large leakage channels
EP1902341A2 (fr) 2005-07-08 2008-03-26 Koheras A/S Source lumineuse supra-continuum bleue etendue
WO2008067823A1 (fr) 2006-12-08 2008-06-12 Koheras A/S Source de lumière à supercontinuum étendu bleu foncé
JP2012001425A (ja) * 2010-05-17 2012-01-05 Sumitomo Electric Ind Ltd 光ファイバ製造方法、光ファイバ及び光ファイバ母材
US8903214B2 (en) 2010-06-25 2014-12-02 Nkt Photonics A/S Large core area single mode optical fiber
DE102012000670A1 (de) 2012-01-17 2013-07-18 Heraeus Quarzglas Gmbh & Co. Kg Rohrförmiges Halbzeug aus Quarzglas für ein optisches Bauteil sowie Verfahren zur Herstellung des Halbzeugs
CN103323910B (zh) * 2013-06-21 2015-04-08 长飞光纤光缆股份有限公司 一种双包层光纤
ES2966910T3 (es) * 2014-03-25 2024-04-25 Nkt Photonics As Una fuente de generación de supercontinuo óptico que comprende una fibra óptica microestructurada

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8995051B2 (en) 2007-09-26 2015-03-31 Imra America, Inc. Glass large-core optical fibers

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AU2002237219A1 (en) 2002-11-11
AU2002237219A8 (en) 2008-01-24
WO2002088801A2 (fr) 2002-11-07

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