JP2007279704A - 光ファイバおよび広帯域光源 - Google Patents
光ファイバおよび広帯域光源 Download PDFInfo
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- JP2007279704A JP2007279704A JP2007062381A JP2007062381A JP2007279704A JP 2007279704 A JP2007279704 A JP 2007279704A JP 2007062381 A JP2007062381 A JP 2007062381A JP 2007062381 A JP2007062381 A JP 2007062381A JP 2007279704 A JP2007279704 A JP 2007279704A
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- 239000006185 dispersion Substances 0.000 claims description 117
- 238000001228 spectrum Methods 0.000 claims description 45
- 230000000994 depressogenic effect Effects 0.000 claims description 31
- 239000000835 fiber Substances 0.000 claims description 31
- 230000010287 polarization Effects 0.000 claims description 16
- 238000010521 absorption reaction Methods 0.000 claims description 10
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 238000005253 cladding Methods 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 4
- 239000004065 semiconductor Substances 0.000 claims description 3
- 230000003595 spectral effect Effects 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 description 14
- 230000005540 biological transmission Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 12
- 238000005259 measurement Methods 0.000 description 7
- 238000000862 absorption spectrum Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000002547 anomalous effect Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
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- 230000007423 decrease Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000004497 NIR spectroscopy Methods 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
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- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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- 230000035945 sensitivity Effects 0.000 description 1
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Images
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
- G02B6/03627—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
- 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
-
- 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
- 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
- G02F1/353—Frequency conversion, i.e. wherein a light beam is generated with frequency components different from those of the incident light beams
- G02F1/3532—Arrangements of plural nonlinear devices for generating multi-colour light beams, e.g. arrangements of SHG, SFG, OPO devices for generating RGB light beams
-
- 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
- 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)
- Lasers (AREA)
- Optical Couplings Of Light Guides (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Abstract
【解決手段】広帯域光源1は、種光源11および光ファイバ12を備える。種光源11は、波長範囲1500nm〜1650nmに含まれる中心波長を有する光を出力する。光ファイバ12は、種光源11から出力される光を入力してスーパーコンティニューム光を出力する。光ファイバ12は、波長範囲1300nm〜1500nmにゼロ分散波長を有し、中心波長において実効断面積が12μm2以下であり、波長帯域幅1000nm以上に拡がったスーパーコンティニューム光を出力する。
【選択図】図1
Description
T. R. Schibli, et al., Optics Letters, Vol.29, No.21, pp.2467-2469 (2004) 奥野、他、第21回近赤外フォーラム講演要旨集、P-33、第173頁 (2005) P. S. Westbrook, et al., Journal of Lightwave Technology, Vol.23, No.1, pp.13-18 (2005)
Claims (17)
- 波長範囲1300nm〜1500nmにゼロ分散波長を有し、
波長1550nmにおいて、実効断面積が12μm2以下であり、波長分散が0以上10ps/nm/km以下であり、
波長範囲1500nm〜2000nmにおいて波長分散が0ps/nm/km以上である、
ことを特徴とする光ファイバ。 - カットオフ波長が1650nm以下であり、
波長1550nmにおいて分散スロープの絶対値が0.04ps/nm2/km以下である、
ことを特徴とする請求項1記載の光ファイバ。 - 波長範囲1500nm〜2000nmにおいて波長分散が0以上15ps/nm/km以下であることを特徴とする請求項1記載の光ファイバ。
- 偏波モード分散が1ps/km1/2以下であることを特徴とする請求項1記載の光ファイバ。
- 基底モードにおける直交偏波間のクロストークがファイバ長1mにおいて−20dB以下であることを特徴とする請求項1記載の光ファイバ。
- 波長1380nmにおけるOH基による吸収損失が5dB/km以下であることを特徴とする請求項1記載の光ファイバ。
- 石英ガラスをベースとして、中心コア部と、前記中心コア部を取り囲み前記中心コア部より低い屈折率を有するディプレスト部と、前記ディプレスト部を取り囲み前記ディプレスト部より高い屈折率を有する外部クラッド部とを有し、
前記外部クラッド部に対する前記ディプレスト部の比屈折率差が−0.3%以下である、
ことを特徴とする請求項1記載の光ファイバ。 - 波長範囲1500nm〜1650nmに含まれる中心波長を有する光が入力されることにより、波長帯域幅1000nm以上に拡がったスーパーコンティニューム光を出力する光ファイバであって、
波長範囲1300nm〜1500nmにゼロ分散波長を有し、
前記中心波長において、実効断面積が12μm2以下であり、波長分散が0以上10ps/nm/km以下である、
ことを特徴とする光ファイバ。 - 波長範囲1500nm〜2000nmにおいて波長分散が0ps/nm/km以上であることを特徴とする請求項8記載の光ファイバ。
- 波長範囲1500nm〜1650nmに含まれる中心波長を有する光を出力する種光源と、この種光源から出力される光を入力してスーパーコンティニューム光を出力する光ファイバと、を備え、
前記光ファイバは、
波長範囲1300nm〜1500nmにゼロ分散波長を有し、
前記中心波長において実効断面積が12μm2以下であり、
波長帯域幅1000nm以上に拡がったスーパーコンティニューム光を出力する、
ことを特徴とする広帯域光源。 - 前記光ファイバから出力されるスーパーコンティニューム光のスペクトルにおいて、波長1000nmにおける光強度とピーク光強度との差が10dB以下である、ことを特徴とする請求項10記載の広帯域光源。
- 前記光ファイバから出力されるスーパーコンティニューム光のスペクトルにおいて、波長2200nmにおける光強度とピーク光強度との差が10dB以下である、ことを特徴とする請求項10記載の広帯域光源。
- 前記光ファイバから出力されるスーパーコンティニューム光の時間平均の出力パワーが10mW以上であることを特徴とする請求項10記載の広帯域光源。
- 前記光ファイバから出力されるスーパーコンティニューム光のスペクトルにおいて、波長1000nm以下の何れかの波長でのスペクトル強度が−20dBm/nm以上であることを特徴とする請求項10記載の広帯域光源。
- 前記種光源がパルス光源であることを特徴とする請求項10記載の広帯域光源。
- 前記種光源がEr添加ファイバレーザ光源であることを特徴とする請求項15記載の広帯域光源。
- 前記種光源が、増幅媒体としてのEr添加ガラスおよび半導体可飽和吸収ミラーをキャビティ内に組み込んだパルス光源である、ことを特徴とする請求項15記載の広帯域光源。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2007062381A JP5045161B2 (ja) | 2006-03-15 | 2007-03-12 | 光ファイバおよび広帯域光源 |
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JP2006071137 | 2006-03-15 | ||
JP2006071137 | 2006-03-15 | ||
JP2007062381A JP5045161B2 (ja) | 2006-03-15 | 2007-03-12 | 光ファイバおよび広帯域光源 |
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Publication Number | Publication Date |
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JP2007279704A true JP2007279704A (ja) | 2007-10-25 |
JP5045161B2 JP5045161B2 (ja) | 2012-10-10 |
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JP2007062381A Expired - Fee Related JP5045161B2 (ja) | 2006-03-15 | 2007-03-12 | 光ファイバおよび広帯域光源 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7787730B2 (ja) |
EP (1) | EP1995632B1 (ja) |
JP (1) | JP5045161B2 (ja) |
DK (1) | DK1995632T3 (ja) |
WO (1) | WO2007105692A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009169041A (ja) * | 2008-01-16 | 2009-07-30 | Univ Nagoya | スーパーコンティニュアム光源 |
JP2010217365A (ja) * | 2009-03-16 | 2010-09-30 | Tokyo Univ Of Agriculture & Technology | 光周波数コム発生装置および光周波数コム発生方法 |
EP3173830A1 (en) | 2015-11-27 | 2017-05-31 | Sumitomo Electric Industries, Ltd. | Optical fiber and light source device |
DE112017001881T5 (de) | 2016-04-05 | 2018-12-13 | Riken | Superkontinuumquelle, Verfahren zum Erzeugen und Emittieren eines Superkontinuums, Multiphotonenanregungs-Fluoreszenzmikroskop und Multiphotonenanregungsverfahren |
Families Citing this family (7)
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JP2007192750A (ja) * | 2006-01-20 | 2007-08-02 | Sumitomo Electric Ind Ltd | 光計測装置及び広帯域光源装置 |
US7826499B2 (en) * | 2007-08-02 | 2010-11-02 | Ofs Fitel Llc | Visible continuum generation utilizing a hybrid optical source |
EP2417492A4 (en) * | 2009-04-08 | 2013-01-02 | Nkt Photonics As | HIGH-POWER, BROADBAND LIGHT SOURCE |
FR2949158B1 (fr) * | 2009-08-14 | 2012-02-03 | Draka Compteq France | Fibre optique microstructuree et dispositif pour generer une lumiere blanche a large bande |
JP5770517B2 (ja) * | 2011-04-07 | 2015-08-26 | 株式会社フジクラ | 光ファイバのカットオフ波長測定方法 |
US9366811B2 (en) | 2012-03-02 | 2016-06-14 | Ofs Fitel, Llc | Highly nonlinear optical fiber with improved SBS threshold and moderate attenuation |
US9557625B2 (en) | 2014-05-20 | 2017-01-31 | The United States Of America, As Represented By The Secretary Of Commerce | Fiber frequency comb article |
Family Cites Families (15)
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US4835778A (en) * | 1987-09-30 | 1989-05-30 | Spectra-Physics, Inc. | Subpicosecond fiber laser |
JP3558499B2 (ja) | 1996-07-24 | 2004-08-25 | 住友電気工業株式会社 | 光ファイバ、光源装置及びシステム |
US6347174B1 (en) * | 1997-08-27 | 2002-02-12 | Sumitomo Electric Industries, Ltd. | Non-linear optical fiber, optical fiber coil, and wavelength converter |
EP1146358A4 (en) * | 1998-11-26 | 2005-09-07 | Sumitomo Electric Industries | OPTICAL FIBER AND OPTICAL TRANSMISSION SYSTEM WITH THIS FIBER |
US6671444B1 (en) * | 1999-06-30 | 2003-12-30 | The Furukawa Electric Co., Ltd. | Optical fiber |
US6393178B2 (en) * | 2000-03-04 | 2002-05-21 | Lucent Technologies Inc. | Microstructure optical fibers for dispersion management in optical communication systems |
US6792188B2 (en) * | 2000-07-21 | 2004-09-14 | Crystal Fibre A/S | Dispersion manipulating fiber |
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 |
JP3783594B2 (ja) | 2000-11-13 | 2006-06-07 | 住友電気工業株式会社 | 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 |
JP2004287382A (ja) * | 2003-03-20 | 2004-10-14 | Sumitomo Electric Ind Ltd | 波長変換器 |
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 |
JP2005331818A (ja) | 2004-05-21 | 2005-12-02 | Fujikura Ltd | 高非線形性光ファイバとその製造方法およびその利用 |
JP4375171B2 (ja) | 2004-08-31 | 2009-12-02 | ダイキン工業株式会社 | 冷凍装置 |
JP4887675B2 (ja) * | 2005-07-11 | 2012-02-29 | 住友電気工業株式会社 | 光ファイバおよびそれを用いた光デバイス |
US7483614B2 (en) * | 2005-09-07 | 2009-01-27 | Sumitomo Electric Industries, Ltd. | Optical fiber and optical device using the same |
-
2007
- 2007-03-12 EP EP07738307.3A patent/EP1995632B1/en not_active Expired - Fee Related
- 2007-03-12 WO PCT/JP2007/054835 patent/WO2007105692A1/ja active Application Filing
- 2007-03-12 JP JP2007062381A patent/JP5045161B2/ja not_active Expired - Fee Related
- 2007-03-12 US US11/922,783 patent/US7787730B2/en active Active
- 2007-03-12 DK DK07738307.3T patent/DK1995632T3/da active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009169041A (ja) * | 2008-01-16 | 2009-07-30 | Univ Nagoya | スーパーコンティニュアム光源 |
JP2010217365A (ja) * | 2009-03-16 | 2010-09-30 | Tokyo Univ Of Agriculture & Technology | 光周波数コム発生装置および光周波数コム発生方法 |
EP3173830A1 (en) | 2015-11-27 | 2017-05-31 | Sumitomo Electric Industries, Ltd. | Optical fiber and light source device |
US10451787B2 (en) | 2015-11-27 | 2019-10-22 | Sumitomo Electric Industries, Ltd. | Optical fiber and light source device |
DE112017001881T5 (de) | 2016-04-05 | 2018-12-13 | Riken | Superkontinuumquelle, Verfahren zum Erzeugen und Emittieren eines Superkontinuums, Multiphotonenanregungs-Fluoreszenzmikroskop und Multiphotonenanregungsverfahren |
Also Published As
Publication number | Publication date |
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DK1995632T3 (da) | 2013-08-12 |
EP1995632A4 (en) | 2010-04-28 |
US20090129409A1 (en) | 2009-05-21 |
JP5045161B2 (ja) | 2012-10-10 |
US7787730B2 (en) | 2010-08-31 |
EP1995632B1 (en) | 2013-06-12 |
EP1995632A1 (en) | 2008-11-26 |
WO2007105692A1 (ja) | 2007-09-20 |
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