JP6682826B2 - 光ファイバおよび光源装置 - Google Patents
光ファイバおよび光源装置 Download PDFInfo
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- JP6682826B2 JP6682826B2 JP2015231627A JP2015231627A JP6682826B2 JP 6682826 B2 JP6682826 B2 JP 6682826B2 JP 2015231627 A JP2015231627 A JP 2015231627A JP 2015231627 A JP2015231627 A JP 2015231627A JP 6682826 B2 JP6682826 B2 JP 6682826B2
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- wavelength
- optical fiber
- refractive index
- light
- core
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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
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0005—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
- G02B6/0008—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type the light being emitted at the end of the fibre
-
- 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
- G02B6/02252—Negative dispersion fibres at 1550 nm
- G02B6/02257—Non-zero dispersion shifted fibres, i.e. having a small negative dispersion at 1550 nm, e.g. ITU-T G.655 dispersion between - 1.0 to - 10 ps/nm.km for avoiding nonlinear effects
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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
- 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
- G02B6/036—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
- 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
- G02F1/365—Non-linear optics in an optical waveguide structure
-
- 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
- G02B6/028—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
- 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
- G02F1/3528—Non-linear optics for producing a supercontinuum
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- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (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)
Description
γ=2πn2/λAeff
Δ1[%]=100×(n1-n2)/n1
Δ2[%]=100×(n2-n3)/n2
Δclad[%]=100×(n3-n0)/n3
Claims (6)
- 石英ガラスからなり、
屈折率n1および直径2aを有しGeを含むコアと、このコアを取り囲み屈折率n2および外径2bを有しFを含むディプレストと、このディプレストを取り囲み屈折率n3を有するクラッドとを備え、n1>n3>n2なる関係を有し、
ゼロ分散波長が1290〜1350nmであり、
波長1550nmにおける実効断面積が14μm2以下であり、
ファイバカットオフ波長が1650nmより大きく2300nm以下である、
光ファイバ。 - 波長1550nmにおける波長分散が10〜22ps/nm/kmである、
請求項1に記載の光ファイバ。 - 波長1550nmにおける非線形屈折率が6.0×10−20m2/W以上である、
請求項1または2に記載の光ファイバ。 - ディプレストに対するコアの比屈折率差Δ1が3.0〜4.2%であり、
クラッドに対するディプレストの比屈折率差Δ2が−0.8〜−0.3%であり、
2aが4.0〜6.0μmであり、
b/aが2.0〜3.0である、
請求項1〜3の何れか1項に記載の光ファイバ。 - 純SiO2に対するクラッドの比屈折率差Δcladが−0.8〜0%である、
請求項1〜4の何れか1項に記載の光ファイバ。 - 中心波長が1000〜1650nmの範囲にある光を出力する種光源と、
前記種光源から出力された光を入力して伝搬させ、この光の伝搬の際に発現する非線形光学現象により帯域が拡大された広帯域光を発生させ出力する請求項1〜5の何れか1項に記載の光ファイバと、
を備える光源装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015231627A JP6682826B2 (ja) | 2015-11-27 | 2015-11-27 | 光ファイバおよび光源装置 |
CN201611021925.XA CN106908893B (zh) | 2015-11-27 | 2016-11-16 | 光纤和光源装置 |
US15/356,857 US10451787B2 (en) | 2015-11-27 | 2016-11-21 | Optical fiber and light source device |
EP16200440.2A EP3173830B1 (en) | 2015-11-27 | 2016-11-24 | Optical fiber and light source device |
DK16200440T DK3173830T3 (da) | 2015-11-27 | 2016-11-24 | Optisk fiber og lyskildeindretning |
Applications Claiming Priority (1)
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---|---|---|---|
JP2015231627A JP6682826B2 (ja) | 2015-11-27 | 2015-11-27 | 光ファイバおよび光源装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017097270A JP2017097270A (ja) | 2017-06-01 |
JP6682826B2 true JP6682826B2 (ja) | 2020-04-15 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2015231627A Active JP6682826B2 (ja) | 2015-11-27 | 2015-11-27 | 光ファイバおよび光源装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10451787B2 (ja) |
EP (1) | EP3173830B1 (ja) |
JP (1) | JP6682826B2 (ja) |
CN (1) | CN106908893B (ja) |
DK (1) | DK3173830T3 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107272298B (zh) * | 2017-07-31 | 2023-04-11 | 温州大学 | 一种产生大气透射窗口超连续谱辐射的装置及使用方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1116059A4 (en) * | 1999-07-27 | 2005-07-20 | Corning Inc | OPTICAL WAVE GUIDE IT NEGATIVE DISPERSION AND LARGE A EFF |
TWI226464B (en) * | 2000-11-13 | 2005-01-11 | Sumitomo Electric Industries | Optical fiber, non-linear optical fiber, optical amplifier using the same optical fiber, wavelength converter and optical fiber manufacture method |
JP4443788B2 (ja) * | 2001-03-30 | 2010-03-31 | 古河電気工業株式会社 | 光ファイバおよびその光ファイバを用いた光通信システム |
US6904218B2 (en) * | 2003-05-12 | 2005-06-07 | Fitel U.S.A. Corporation | Super-large-effective-area (SLA) optical fiber and communication system incorporating the same |
US6959137B2 (en) * | 2003-06-11 | 2005-10-25 | Fitel U.S.A. Corporation | Large-effective-area inverse dispersion compensating fiber, and a transmission line incorporating the same |
JP4579710B2 (ja) * | 2004-02-20 | 2010-11-10 | フルカワ エレクトリック ノース アメリカ インコーポレーテッド | 後処理による高非線形ファイバにおける光発生の変更、増強および調整 |
WO2007105692A1 (ja) | 2006-03-15 | 2007-09-20 | Sumitomo Electric Industries, Ltd. | 光ファイバおよび広帯域光源 |
JP5326426B2 (ja) | 2008-08-22 | 2013-10-30 | 住友電気工業株式会社 | 光源装置 |
WO2013131076A1 (en) * | 2012-03-02 | 2013-09-06 | Ofs Fitel, Llc | Highly nonlinear optical fiber with improved sbs threshold and moderate attenuation |
-
2015
- 2015-11-27 JP JP2015231627A patent/JP6682826B2/ja active Active
-
2016
- 2016-11-16 CN CN201611021925.XA patent/CN106908893B/zh active Active
- 2016-11-21 US US15/356,857 patent/US10451787B2/en active Active
- 2016-11-24 DK DK16200440T patent/DK3173830T3/da active
- 2016-11-24 EP EP16200440.2A patent/EP3173830B1/en active Active
Also Published As
Publication number | Publication date |
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US10451787B2 (en) | 2019-10-22 |
DK3173830T3 (da) | 2019-11-25 |
US20170153375A1 (en) | 2017-06-01 |
JP2017097270A (ja) | 2017-06-01 |
EP3173830B1 (en) | 2019-10-30 |
EP3173830A1 (en) | 2017-05-31 |
CN106908893B (zh) | 2020-11-27 |
CN106908893A (zh) | 2017-06-30 |
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