JP4891812B2 - 材料分散よりも大きな総分散を有する光ファイバと光ファイバ・デバイス - Google Patents
材料分散よりも大きな総分散を有する光ファイバと光ファイバ・デバイス Download PDFInfo
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- JP4891812B2 JP4891812B2 JP2007052312A JP2007052312A JP4891812B2 JP 4891812 B2 JP4891812 B2 JP 4891812B2 JP 2007052312 A JP2007052312 A JP 2007052312A JP 2007052312 A JP2007052312 A JP 2007052312A JP 4891812 B2 JP4891812 B2 JP 4891812B2
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Classifications
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- 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
-
- 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
- G02B6/0208—Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response
- G02B6/02085—Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response characterised by the grating profile, e.g. chirped, apodised, tilted, helical
- G02B6/02095—Long period gratings, i.e. transmission gratings coupling light between core and cladding modes
-
- 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 - + -
-
- 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
- G02B6/03688—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 5 or more layers
-
- 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
-
- 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
- G02B6/02023—Based on higher order modes, i.e. propagating modes other than the LP01 or HE11 fundamental mode
-
- 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
- G02B6/29304—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 by diffraction, e.g. grating
- G02B6/29316—Light guides comprising a diffractive element, e.g. grating in or on the light guide such that diffracted light is confined in the light guide
- G02B6/29317—Light guides of the optical fibre type
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Optical Integrated Circuits (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Description
Claims (9)
- a)コアとクラッドとを有する第1の長さの全固体ガラス光ファイバを含み、前記コアは、1300nm未満の波長を有する第1のモードをサポートし、さらに、
b)前記第1のモードの光を、1300nm未満の波長を有する、前記第1のモードよりも高いモードである第2のモード(HOM)の光に変換するモード変換器と、
c)コアとクラッドとを有する第2の長さの全固体ガラス光ファイバを含み、前記HOMが前記第2の長さの全固体ガラス光ファイバの前記コアを伝搬するものであり、
前記HOMの総分散は、正であり、そして、前記第2の長さの全固体ガラス光ファイバの材料分散より大きく、
前記第2の長さの全固体ガラス光ファイバの分散は分散対波長関係において1300nm未満のある波長範囲でターンオーバ点を有し、そして、
前記HOMの有効屈折率が、少なくとも0.0001だけ、前記コアを伝搬する任意の他のモードの有効屈折率とは異なる、光デバイス。 - 実際に使用される前記HOMの波長における前記総分散の勾配が正である、請求項1に記載の光デバイス。
- 実際に使用される前記HOMの波長における前記総分散の勾配が負である、請求項1に記載の光デバイス。
- 前記HOMがLP02である、請求項1に記載の光デバイス。
- 低次モードを前記HOMに変換するモード変換器と組み合わされた請求項1に記載の光ファイバを備える光デバイス。
- 前記モード変換器が長周期グレーティングである、請求項5に記載の光デバイス。
- 前記モード変換器が位相プレートである、請求項5に記載の光デバイス。
- 前記HOMを低次モードに変換するモード変換器をさらに含む、請求項5に記載の光デバイス。
- 実際に使用される前記HOMの波長における前記総分散の勾配が零である、請求項1に記載の光デバイス。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/367495 | 2006-03-04 | ||
US11/367,495 US20070206910A1 (en) | 2006-03-04 | 2006-03-04 | Optical fibers and optical fiber devices with total dispersion greater than material dispersion |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007241280A JP2007241280A (ja) | 2007-09-20 |
JP4891812B2 true JP4891812B2 (ja) | 2012-03-07 |
Family
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Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007052312A Active JP4891812B2 (ja) | 2006-03-04 | 2007-03-02 | 材料分散よりも大きな総分散を有する光ファイバと光ファイバ・デバイス |
Country Status (4)
Country | Link |
---|---|
US (4) | US20070206910A1 (ja) |
EP (1) | EP1835317B1 (ja) |
JP (1) | JP4891812B2 (ja) |
CN (2) | CN101153938A (ja) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2087400B1 (en) * | 2006-10-26 | 2019-10-16 | Cornell Research Foundation, Inc. | Production of optical pulses at a desired wavelength using soliton self-frequency shift in higher-order-mode fiber |
US8103142B2 (en) * | 2007-02-05 | 2012-01-24 | Ofs Fitel, Llc | Preventing dielectric breakdown in optical fibers |
US8270786B2 (en) * | 2008-11-21 | 2012-09-18 | Ofs Fitel, Llc | Optical fiber mode couplers |
US8218928B2 (en) | 2009-04-23 | 2012-07-10 | Ofs Fitel, Llc | Spatial filtering of higher order modes in multimode fibers |
US8478134B2 (en) * | 2009-08-31 | 2013-07-02 | Ofs Fitel, Llc | Compression of generated optical continuum utilizing higher-order-mode fiber |
JP5729982B2 (ja) * | 2009-11-25 | 2015-06-03 | オーエフエス ファイテル,エルエルシー | 非線形光システム及び技術 |
US8507877B2 (en) | 2009-11-25 | 2013-08-13 | Ofs Fitel, Llc | Non-linear optical system and techniques |
CN103649797A (zh) * | 2011-02-24 | 2014-03-19 | Ofs飞泰尔公司 | 用于空间多路复用的阶跃折射率少模光纤设计 |
US9075243B2 (en) * | 2011-03-01 | 2015-07-07 | Ofs Fitel, Llc | Method and system for ultrashort pulse fiber delivery using higher order mode fiber |
US8804233B2 (en) * | 2011-08-09 | 2014-08-12 | Ofs Fitel, Llc | Fiber assembly for all-fiber delivery of high energy femtosecond pulses |
US9244218B2 (en) * | 2011-08-10 | 2016-01-26 | Ofs Fitel, Llc | Few moded fiber device employing mode conversion |
WO2013052968A1 (en) * | 2011-10-06 | 2013-04-11 | Ofs Fitel, Llc | Fiber designs for wavelength tunable ultra-short pulse lasers |
WO2013169626A1 (en) * | 2012-05-05 | 2013-11-14 | Trustees Of Boston University | High-power fiber laser employing nonlinear wave mixing with higher-order modes |
CN102904641B (zh) * | 2012-10-17 | 2015-07-08 | 江西省电力公司信息通信分公司 | 一种基于少模光纤的通信系统 |
CN105445853B (zh) * | 2016-01-28 | 2018-08-28 | 国网江西省电力公司信息通信分公司 | 一种少模光纤 |
US10591667B2 (en) | 2017-05-19 | 2020-03-17 | Ofs Fitel, Llc | Optical fiber with specialized figure-of-merit and applications therefor |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5802236A (en) * | 1997-02-14 | 1998-09-01 | Lucent Technologies Inc. | Article comprising a micro-structured optical fiber, and method of making such fiber |
US6404951B2 (en) * | 1998-03-26 | 2002-06-11 | Lasercomm Inc. | Transverse spatial mode transformer for optical communication |
FR2790106B1 (fr) * | 1999-02-18 | 2001-05-04 | Cit Alcatel | Fibre optique a saut d'indice a large bande |
US6434309B1 (en) * | 1999-02-22 | 2002-08-13 | Corning Incorporated | Laser optimized multimode fiber and method for use with laser and LED sources and system employing same |
US6360045B1 (en) * | 1999-02-23 | 2002-03-19 | Lasercomm Inc. | High order spatial mode transmission system |
US6097870A (en) * | 1999-05-17 | 2000-08-01 | Lucent Technologies Inc. | Article utilizing optical waveguides with anomalous dispersion at vis-nir wavelenghts |
US6317549B1 (en) * | 1999-05-24 | 2001-11-13 | Lucent Technologies Inc. | Optical fiber having negative dispersion and low slope in the Erbium amplifier region |
US20020164140A1 (en) * | 2000-01-12 | 2002-11-07 | Michael Lysiansky | Few-mode fiber profile |
US6766088B2 (en) * | 2000-05-01 | 2004-07-20 | Sumitomo Electric Industries, Ltd. | Optical fiber and method for making the same |
US6792188B2 (en) * | 2000-07-21 | 2004-09-14 | Crystal Fibre A/S | Dispersion manipulating fiber |
WO2002054631A2 (en) * | 2000-12-30 | 2002-07-11 | University Of Rochester | Device and method for compensating for chromatic dispersion |
US6724964B2 (en) * | 2001-01-30 | 2004-04-20 | Lasercomm Inc. | Optical waveguide exhibiting strongly positive dispersion, and system utilizing same |
US6937788B2 (en) * | 2002-09-04 | 2005-08-30 | Furukawa Electric North America | Adjustable dispersion compensator with few mode fibers and switchable mode converters |
US7103251B2 (en) * | 2002-12-31 | 2006-09-05 | Corning Incorporated | Dispersion flattened NZDSF fiber |
FR2854249B1 (fr) * | 2003-04-25 | 2005-07-08 | Cit Alcatel | Dispositif et procede de transformation de mode de propagation de signaux, par interferences |
FR2864254B1 (fr) * | 2003-12-23 | 2006-03-03 | Cit Alcatel | Fibre optique multimode hom a gestion de dispersion |
US7280730B2 (en) * | 2004-01-16 | 2007-10-09 | Imra America, Inc. | Large core holey fibers |
EP2087400B1 (en) * | 2006-10-26 | 2019-10-16 | Cornell Research Foundation, Inc. | Production of optical pulses at a desired wavelength using soliton self-frequency shift in higher-order-mode fiber |
JP4904241B2 (ja) * | 2007-10-11 | 2012-03-28 | 古河電気工業株式会社 | ホーリーファイバ |
WO2009133634A1 (ja) * | 2008-04-30 | 2009-11-05 | 古河電気工業株式会社 | 光ファイバおよび光学デバイス |
-
2006
- 2006-03-04 US US11/367,495 patent/US20070206910A1/en not_active Abandoned
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2007
- 2007-02-16 EP EP07003361.8A patent/EP1835317B1/en not_active Expired - Fee Related
- 2007-03-02 JP JP2007052312A patent/JP4891812B2/ja active Active
- 2007-03-02 CN CNA2007100844429A patent/CN101153938A/zh active Pending
- 2007-03-02 CN CN201010128672A patent/CN101852887A/zh active Pending
-
2008
- 2008-06-20 US US12/214,735 patent/US8189977B2/en active Active
- 2008-06-27 US US12/147,806 patent/US8175435B2/en active Active
- 2008-06-27 US US12/147,904 patent/US8175436B2/en active Active
Also Published As
Publication number | Publication date |
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EP1835317A1 (en) | 2007-09-19 |
US20100014820A1 (en) | 2010-01-21 |
CN101852887A (zh) | 2010-10-06 |
JP2007241280A (ja) | 2007-09-20 |
US8175435B2 (en) | 2012-05-08 |
US20080317419A1 (en) | 2008-12-25 |
US8189977B2 (en) | 2012-05-29 |
US8175436B2 (en) | 2012-05-08 |
EP1835317B1 (en) | 2014-05-07 |
US20090034925A1 (en) | 2009-02-05 |
CN101153938A (zh) | 2008-04-02 |
US20070206910A1 (en) | 2007-09-06 |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |