JP2008070458A - 光ファイバおよび光ファイバ型デバイス - Google Patents
光ファイバおよび光ファイバ型デバイス Download PDFInfo
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- JP2008070458A JP2008070458A JP2006246879A JP2006246879A JP2008070458A JP 2008070458 A JP2008070458 A JP 2008070458A JP 2006246879 A JP2006246879 A JP 2006246879A JP 2006246879 A JP2006246879 A JP 2006246879A JP 2008070458 A JP2008070458 A JP 2008070458A
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 156
- 239000006185 dispersion Substances 0.000 claims abstract description 19
- 230000000994 depressogenic effect Effects 0.000 claims abstract description 17
- 238000005253 cladding Methods 0.000 claims abstract description 14
- 239000011521 glass Substances 0.000 claims abstract description 10
- 230000003287 optical effect Effects 0.000 claims description 49
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 31
- 230000005540 biological transmission Effects 0.000 claims description 22
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 15
- 230000005284 excitation Effects 0.000 claims description 14
- 229910005793 GeO 2 Inorganic materials 0.000 claims description 4
- 229910052788 barium Inorganic materials 0.000 claims description 4
- 229910052733 gallium Inorganic materials 0.000 claims description 4
- 229910052732 germanium Inorganic materials 0.000 claims description 4
- 229910052738 indium Inorganic materials 0.000 claims description 4
- 229910052745 lead Inorganic materials 0.000 claims description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims description 4
- 229910052716 thallium Inorganic materials 0.000 claims description 4
- 238000005086 pumping Methods 0.000 description 11
- 230000003321 amplification Effects 0.000 description 7
- 238000003199 nucleic acid amplification method Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000010287 polarization Effects 0.000 description 5
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000003993 interaction Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000005191 phase separation Methods 0.000 description 3
- 230000000644 propagated effect Effects 0.000 description 3
- 230000001902 propagating effect Effects 0.000 description 3
- 239000002419 bulk glass Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000001069 Raman spectroscopy Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- VLCQZHSMCYCDJL-UHFFFAOYSA-N tribenuron methyl Chemical compound COC(=O)C1=CC=CC=C1S(=O)(=O)NC(=O)N(C)C1=NC(C)=NC(OC)=N1 VLCQZHSMCYCDJL-UHFFFAOYSA-N 0.000 description 1
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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
- G02B6/036—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
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
- C03C13/04—Fibre optics, e.g. core and clad fibre compositions
- C03C13/045—Silica-containing oxide glass compositions
- C03C13/046—Multicomponent glass compositions
-
- 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
- G02B6/02028—Small effective area or mode field radius, e.g. for allowing 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
- G02B6/02228—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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES 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
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/30—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects
- H01S3/302—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects in an optical fibre
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/35—Non-linear optics
- G02F1/3515—All-optical modulation, gating, switching, e.g. control of a light beam by another light beam
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/35—Non-linear optics
- G02F1/39—Non-linear optics for parametric generation or amplification of light, infrared or ultraviolet waves
- G02F1/395—Non-linear optics for parametric generation or amplification of light, infrared or ultraviolet waves in optical waveguides
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES 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
- H01S2301/00—Functional characteristics
- H01S2301/02—ASE (amplified spontaneous emission), noise; Reduction thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES 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
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
- H01S3/06716—Fibre compositions or doping with active elements
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- Chemical & Material Sciences (AREA)
- Optics & Photonics (AREA)
- Dispersion Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Nonlinear Science (AREA)
- Plasma & Fusion (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Glass Compositions (AREA)
Abstract
【解決手段】光ファイバ10は、中心コア11と、この中心コア11を取り囲むディプレスト12と、このディプレスト12を取り囲むクラッド13とを有する。クラッド13の屈折率は、中心コア11の屈折率より低く、ディプレスト12の屈折率より高い。光ファイバ10は、SiO2ガラスを主成分とするものであり、中心コア11には濃度15wt%以上のAl2O3が添加されている。光ファイバ10は、所定波長の光において単一モードであり、波長分散の絶対値が5ps/nm/km以下である。
【選択図】図1
Description
Claims (8)
- SiO2ガラスを主成分とし濃度15wt%以上のAl2O3が添加された中心コアを有し、
所定波長の光において単一モードであり、波長分散の絶対値が5ps/nm/km以下である、
ことを特徴とする光ファイバ。 - 前記所定波長における実効コア断面積が15μm2以下であり、
SiO2ガラスを主成分としGeO2が添加された中心コアを有し同様の屈折率プロファイルを持つ光ファイバが有する誘導ブリルアン散乱閾値より3dB以上高い誘導ブリルアン散乱閾値を有する、
ことを特徴とする請求項1に記載の光ファイバ。 - Ge,P,Ba,Pb,Ga,InおよびTlから選択される何れか1種以上の元素が前記中心コアに添加されていることを特徴とする請求項1に記載の光ファイバ。
- 波長1.55μmにおける伝送損失が70dB/km以下であることを特徴とする請求項1に記載の光ファイバ。
- 前記中心コアの周囲にSiO2に対する比屈折率差が負であるディプレストを有し、
前記ディプレストの周囲に前記ディプレストの屈折率より高い屈折率を有するクラッドを有する、
ことを特徴とする請求項1に記載の光ファイバ。 - SiO2ガラスを主成分とし濃度15wt%以上のAl2O3が添加された中心コアを有する光ファイバを備え、
互いに異なる波長の第1の光および第2の光を前記光ファイバにより導波して、その導波の間に非線形光学現象により前記第1の光と前記第2の光とを相互作用させ、
非線形光学現象により変調された前記第1の光もしくは前記第2の光、または、非線形光学現象により生じた新たな波長の第3の光を、前記光ファイバから出力する、
ことを特徴とする光ファイバ型デバイス。 - 前記第1の光および前記第2の光のうち一方が被増幅光であって他方が励起光であり、
前記励起光を1GHz以下で変調して光ファイバに入射させて、前記光ファイバにおいて前記被増幅光を光増幅する、
ことを特徴とする請求項6に記載の光ファイバ型デバイス。 - 前記第1の光および前記第2の光のうち一方が被増幅光であって他方が励起光であり、
前記励起光を変調することなく光ファイバに入射させて、前記光ファイバにおいて前記被増幅光を光増幅する、
ことを特徴とする請求項6に記載の光ファイバ型デバイス。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006246879A JP5315601B2 (ja) | 2006-09-12 | 2006-09-12 | 光ファイバおよび光ファイバ型デバイス |
US11/896,999 US7505656B2 (en) | 2006-09-12 | 2007-09-07 | Optical fiber and optical fiber device |
CN200710145666.6A CN101144872B (zh) | 2006-09-12 | 2007-09-10 | 光纤以及光纤装置 |
EP07017720A EP1901096A3 (en) | 2006-09-12 | 2007-09-11 | Optical fiber and optical fiber device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006246879A JP5315601B2 (ja) | 2006-09-12 | 2006-09-12 | 光ファイバおよび光ファイバ型デバイス |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008070458A true JP2008070458A (ja) | 2008-03-27 |
JP5315601B2 JP5315601B2 (ja) | 2013-10-16 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2006246879A Expired - Fee Related JP5315601B2 (ja) | 2006-09-12 | 2006-09-12 | 光ファイバおよび光ファイバ型デバイス |
Country Status (4)
Country | Link |
---|---|
US (1) | US7505656B2 (ja) |
EP (1) | EP1901096A3 (ja) |
JP (1) | JP5315601B2 (ja) |
CN (1) | CN101144872B (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013044614A (ja) * | 2011-08-23 | 2013-03-04 | Furukawa Electric Co Ltd:The | 光ファイバセンサおよび光ファイバセンシング方法 |
CN102998739A (zh) * | 2011-09-14 | 2013-03-27 | 住友电气工业株式会社 | 光纤 |
JP2015512063A (ja) * | 2012-03-02 | 2015-04-23 | オーエフエス ファイテル,エルエルシー | 改善されたsbs閾値および中度の減衰を有する高非線形光ファイバ |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2011215563A (ja) | 2009-07-01 | 2011-10-27 | Ricoh Co Ltd | 定着液、定着方法、定着装置、画像形成方法及び画像形成装置 |
FR2996634B1 (fr) | 2012-10-08 | 2014-12-12 | Electricite De France | Dispositif de mesure de deformations le long d'au moins une fibre optique, utilisation d'une fibre optique pour faire une mesure de deformations et procede de mesure de deformations |
CN104865637B (zh) * | 2015-06-08 | 2017-11-17 | 华中科技大学 | 一种受激布里渊散射效应增强型光纤 |
CN107422573B (zh) * | 2017-08-31 | 2022-08-30 | 中国地质大学(武汉) | 一种用于可调波长转换的光纤结构 |
CN109085676B (zh) * | 2018-08-13 | 2020-03-10 | 南京航空航天大学 | 一种具有相近强度多峰布里渊增益谱的渐变折射率光纤 |
JP7222255B2 (ja) * | 2019-01-28 | 2023-02-15 | 富士通株式会社 | 波長変換装置及び波長変換方法 |
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JPS58217450A (ja) * | 1982-06-11 | 1983-12-17 | Nippon Telegr & Teleph Corp <Ntt> | 光フアイバ用ガラスおよびその製造方法 |
JP2002207136A (ja) * | 2000-11-13 | 2002-07-26 | Sumitomo Electric Ind Ltd | 光ファイバ、非線型性光ファイバ、それを用いた光増幅器、波長変換器、及び光ファイバの製造方法 |
US20040114894A1 (en) * | 2002-12-17 | 2004-06-17 | Andrus Ronald L. | Ca-Al-Si oxide glasses and optical components containing the same |
JP2004277252A (ja) * | 2003-03-18 | 2004-10-07 | Asahi Glass Co Ltd | 光増幅ガラスおよび光導波路 |
JP2005197940A (ja) * | 2004-01-06 | 2005-07-21 | Fujikura Ltd | 分散補償ファイバモジュール及び光ファイバ伝送路 |
JP2005202440A (ja) * | 1999-04-13 | 2005-07-28 | Sumitomo Electric Ind Ltd | 光ファイバ及びそれを含む光通信システム |
WO2007114105A1 (ja) * | 2006-03-30 | 2007-10-11 | The Furukawa Electric Co., Ltd. | 光ファイバ |
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US4372647A (en) | 1979-10-08 | 1983-02-08 | Nippon Telegraph & Telephone Public Corporation | Single mode optical fibers |
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EP1394910B1 (en) * | 2002-08-26 | 2012-12-26 | Alcatel Lucent | Raman-active optical fiber |
-
2006
- 2006-09-12 JP JP2006246879A patent/JP5315601B2/ja not_active Expired - Fee Related
-
2007
- 2007-09-07 US US11/896,999 patent/US7505656B2/en active Active
- 2007-09-10 CN CN200710145666.6A patent/CN101144872B/zh not_active Expired - Fee Related
- 2007-09-11 EP EP07017720A patent/EP1901096A3/en not_active Withdrawn
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JP2005202440A (ja) * | 1999-04-13 | 2005-07-28 | Sumitomo Electric Ind Ltd | 光ファイバ及びそれを含む光通信システム |
JP2002207136A (ja) * | 2000-11-13 | 2002-07-26 | Sumitomo Electric Ind Ltd | 光ファイバ、非線型性光ファイバ、それを用いた光増幅器、波長変換器、及び光ファイバの製造方法 |
US20040114894A1 (en) * | 2002-12-17 | 2004-06-17 | Andrus Ronald L. | Ca-Al-Si oxide glasses and optical components containing the same |
JP2004277252A (ja) * | 2003-03-18 | 2004-10-07 | Asahi Glass Co Ltd | 光増幅ガラスおよび光導波路 |
JP2005197940A (ja) * | 2004-01-06 | 2005-07-21 | Fujikura Ltd | 分散補償ファイバモジュール及び光ファイバ伝送路 |
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Title |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013044614A (ja) * | 2011-08-23 | 2013-03-04 | Furukawa Electric Co Ltd:The | 光ファイバセンサおよび光ファイバセンシング方法 |
CN102998739A (zh) * | 2011-09-14 | 2013-03-27 | 住友电气工业株式会社 | 光纤 |
JP2015512063A (ja) * | 2012-03-02 | 2015-04-23 | オーエフエス ファイテル,エルエルシー | 改善されたsbs閾値および中度の減衰を有する高非線形光ファイバ |
Also Published As
Publication number | Publication date |
---|---|
US7505656B2 (en) | 2009-03-17 |
CN101144872A (zh) | 2008-03-19 |
US20080063346A1 (en) | 2008-03-13 |
EP1901096A2 (en) | 2008-03-19 |
EP1901096A3 (en) | 2008-05-14 |
JP5315601B2 (ja) | 2013-10-16 |
CN101144872B (zh) | 2014-04-23 |
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