JP2014530378A - 最適化された超大面積光ファイバ - Google Patents
最適化された超大面積光ファイバ Download PDFInfo
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- JP2014530378A JP2014530378A JP2014531814A JP2014531814A JP2014530378A JP 2014530378 A JP2014530378 A JP 2014530378A JP 2014531814 A JP2014531814 A JP 2014531814A JP 2014531814 A JP2014531814 A JP 2014531814A JP 2014530378 A JP2014530378 A JP 2014530378A
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- trench
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- optical fiber
- fiber
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 108
- 238000005253 cladding Methods 0.000 claims abstract description 35
- 230000035945 sensitivity Effects 0.000 claims description 53
- 239000000835 fiber Substances 0.000 description 156
- 238000013461 design Methods 0.000 description 89
- 230000003287 optical effect Effects 0.000 description 14
- 230000006870 function Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 9
- 239000002019 doping agent Substances 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 4
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium dioxide Chemical compound O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 description 4
- 238000000151 deposition Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 239000004071 soot Substances 0.000 description 3
- 229920002994 synthetic fiber Polymers 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 229910006113 GeCl4 Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009022 nonlinear effect Effects 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000000611 regression analysis Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- IEXRMSFAVATTJX-UHFFFAOYSA-N tetrachlorogermane Chemical compound Cl[Ge](Cl)(Cl)Cl IEXRMSFAVATTJX-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229910006111 GeCl2 Inorganic materials 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 229910003910 SiCl4 Inorganic materials 0.000 description 1
- 238000012884 algebraic function Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000005388 cross polarization Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012681 fiber drawing Methods 0.000 description 1
- 238000002839 fiber optic waveguide Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- QHGIKMVOLGCZIP-UHFFFAOYSA-N germanium dichloride Chemical compound Cl[Ge]Cl QHGIKMVOLGCZIP-UHFFFAOYSA-N 0.000 description 1
- 238000005816 glass manufacturing process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- FDNAPBUWERUEDA-UHFFFAOYSA-N silicon tetrachloride Chemical compound Cl[Si](Cl)(Cl)Cl FDNAPBUWERUEDA-UHFFFAOYSA-N 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
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
- G02B6/02004—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
- G02B6/02014—Effective area greater than 60 square microns in the C band, i.e. 1530-1565 nm
- G02B6/02019—Effective area greater than 90 square microns in the C band, i.e. 1530-1565 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
- G02B6/03661—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 4 layers only
- G02B6/03683—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 4 layers only arranged - - + +
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Communication System (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Abstract
Description
本出願は、参照によりその全体が本明細書に組み込まれている、「Optimized Ultra Large Area Optical Fibers」と題する、_に本出願と同時に出願した出願番号_に関連する。
delta(r)=delta(1−(r/a)alpha)
例示的な実施形態によれば、光ファイバは、さらに、内側トレンチを取り囲む外側トレンチを含むことができ、ここで、マイクロベンド・フロンティア(MBF)距離は、約25%未満であり、さらに、約0.5dB未満の性能指数(FOM)フロンティア距離を含み、ここで、FOMフロンティア距離は、=(A0+A1×コア・デルタ0.5+A3×シェルフ幅+A4×トレンチ・デルタ+A5×トレンチ体積+A6×外側トレンチ幅+A7×外側トレンチ・デルタ+A8×トレンチ・デルタ×トレンチ幅+A9×トレンチ・デルタ×外側トレンチ幅+A10×トレンチ・デルタ×外側トレンチ・デルタ)2として定義され、ここで、A0は、約−0.9であり、A1は、約35であり、A3は、約0.035であり、A4は、約270であり、A5は、約−0.02であり、A6は、約0.007であり、A7は、約−150であり、A8は、約50であり、A9は、約−15であり、A10は、約8500である。例示的な実施形態によれば、1550nmでの損失は、0.180dB/km未満である。
Claims (10)
- 性能指数(FOM)性能について最適化されたトレンチ・アシスト型光ファイバであって、長手方向軸を有するコア領域と、前記コア領域を取り囲むシェルフ領域と、前記シェルフ領域を取り囲むクラッディング領域とを備え、前記コア、およびシェルフ、ならびにクラッディング領域が、前記軸の方向の前記コアおよびシェルフ領域の基本横モードでの信号光の伝播をサポートし、導くように構成され、前記クラッディング領域が、内側トレンチおよび外側トレンチを含み、前記光ファイバが、さらに、
135μm2と約170μm2の間のコア実効面積(Aeff)、
約0.08%より大きい相対的実効屈折率差、
0.185dB/km未満の1550nmでの損失、および、
約0.5dB未満の性能指数(FOM)フロンティア距離を有する屈折率プロファイルを含み、
前記FOMフロンティア距離が、=(A0+A1×コア・デルタ0.5+A3×シェルフ幅+A4×トレンチ・デルタ+A5×トレンチ体積+A6×外側トレンチ幅+A7×外側トレンチ・デルタ+A8×トレンチ・デルタ×トレンチ幅+A9×トレンチ・デルタ×外側トレンチ幅+A10×トレンチ・デルタ×外側トレンチ・デルタ)2として定義され、
ここで、
A0が、約−0.9であり、
A1が、約35であり、
A3が、約0.035であり、
A4が、約270であり、
A5が、約−0.02であり、
A6が、約0.007であり、
A7が、約−150であり、
A8が、約50であり、
A9が、約−15であり、
A10が、約8500である、
光ファイバ。 - 約6.8μm未満のコア半径、約6μm未満のシェルフ幅、約13μm未満のトレンチ内半径、約−60μm2%より大きいトレンチ体積、または、約120未満のマイクロベンド感度のうちの1つまたは複数をさらに含む、請求項1に記載の光ファイバ。
- 約5.5μmと約7.0μmの間のコア半径をさらに含む、請求項1に記載の光ファイバ。
- 前記コア・デルタが、約0.13%と約0.23%の間である、請求項1に記載の光ファイバ。
- 前記1550nmでの損失が、0.180dB/km未満である、請求項1に記載の光ファイバ。
- 約5μm2%と約9μm2%の間のコア体積をさらに含む、請求項1に記載の光ファイバ。
- 約10μmと約14μmの間のトレンチ内半径をさらに含む、請求項1に記載の光ファイバ。
- 前記トレンチ・デルタが、約−0.25%未満である、請求項1に記載の光ファイバ。
- 約−70μm2%と約−15μm2%の間のトレンチ体積をさらに含む、請求項1に記載の光ファイバ。
- 前記外側トレンチ幅が、約0μmと約25μmの間である、請求項1に記載の光ファイバ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/239,125 US8687932B2 (en) | 2011-09-21 | 2011-09-21 | Optimized ultra large area optical fibers |
US13/239,125 | 2011-09-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2014530378A true JP2014530378A (ja) | 2014-11-17 |
Family
ID=47880740
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014531814A Pending JP2014530378A (ja) | 2011-09-21 | 2012-08-13 | 最適化された超大面積光ファイバ |
Country Status (5)
Country | Link |
---|---|
US (1) | US8687932B2 (ja) |
EP (1) | EP2758818A4 (ja) |
JP (1) | JP2014530378A (ja) |
CN (1) | CN104024896B (ja) |
WO (1) | WO2013043274A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018159146A1 (ja) * | 2017-03-03 | 2018-09-07 | 住友電気工業株式会社 | 光ファイバ |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8768129B2 (en) * | 2011-09-21 | 2014-07-01 | Ofs Fitel, Llc | Optimized ultra large area optical fibers |
US8718431B2 (en) * | 2011-09-21 | 2014-05-06 | Ofs Fitel, Llc | Optimized ultra large area optical fibers |
US8687932B2 (en) * | 2011-09-21 | 2014-04-01 | Ofs Fitel, Llc | Optimized ultra large area optical fibers |
US9116279B2 (en) * | 2012-08-13 | 2015-08-25 | Ofs Fitel, Llc | Optimized ultra large area optical fibers |
US9709731B2 (en) * | 2012-09-05 | 2017-07-18 | Ofs Fitel, Llc | Multiple LP-mode fiber designs for mode-division multiplexing |
US9671552B2 (en) * | 2012-09-05 | 2017-06-06 | Ofs Fitel, Llc | 9 LP-mode fiber designs for mode-division multiplexing |
JP6124778B2 (ja) * | 2012-12-28 | 2017-05-10 | 信越化学工業株式会社 | 光ファイバ、光ファイバ用シリカガラス母材、および光ファイバの製造方法 |
EP2754524B1 (de) | 2013-01-15 | 2015-11-25 | Corning Laser Technologies GmbH | Verfahren und Vorrichtung zum laserbasierten Bearbeiten von flächigen Substraten, d.h. Wafer oder Glaselement, unter Verwendung einer Laserstrahlbrennlinie |
US10293436B2 (en) | 2013-12-17 | 2019-05-21 | Corning Incorporated | Method for rapid laser drilling of holes in glass and products made therefrom |
US11556039B2 (en) | 2013-12-17 | 2023-01-17 | Corning Incorporated | Electrochromic coated glass articles and methods for laser processing the same |
JP2017521259A (ja) | 2014-07-08 | 2017-08-03 | コーニング インコーポレイテッド | 材料をレーザ加工するための方法および装置 |
CN104991307A (zh) * | 2015-07-31 | 2015-10-21 | 长飞光纤光缆股份有限公司 | 一种超低衰减大有效面积的单模光纤 |
US9995873B2 (en) * | 2016-07-29 | 2018-06-12 | Corning Incorporated | Single-mode large effective area optical fibers |
KR102078294B1 (ko) | 2016-09-30 | 2020-02-17 | 코닝 인코포레이티드 | 비-축대칭 빔 스폿을 이용하여 투명 워크피스를 레이저 가공하기 위한 기기 및 방법 |
WO2018081031A1 (en) | 2016-10-24 | 2018-05-03 | Corning Incorporated | Substrate processing station for laser-based machining of sheet-like glass substrates |
AU2023203764A1 (en) | 2022-12-30 | 2024-07-18 | Sterlite Technologies Limited | Optical fiber with an immediate fluorine cladding |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007011366A (ja) * | 2005-06-29 | 2007-01-18 | Furukawa Electric North America Inc | 低損失光ファイバ、およびその製造方法 |
JP2007298987A (ja) * | 2006-05-03 | 2007-11-15 | Draka Comteq Bv | 波長分散補償ファイバ |
JP2008257250A (ja) * | 2007-04-06 | 2008-10-23 | Draka Comteq Bv | 大きい実効面積を有する伝送用光ファイバ |
US20100027951A1 (en) * | 2008-07-30 | 2010-02-04 | Dana Craig Bookbinder | Low bend loss single mode optical fiber |
JP2010527033A (ja) * | 2007-05-07 | 2010-08-05 | コーニング インコーポレイテッド | 拡大実効面積ファイバ |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4852968A (en) | 1986-08-08 | 1989-08-01 | American Telephone And Telegraph Company, At&T Bell Laboratories | Optical fiber comprising a refractive index trench |
AU2934102A (en) * | 2001-03-30 | 2002-10-03 | Sumitomo Electric Industries, Ltd. | Optical transmission line, and optical fiber and dispersion compensating module employed in the same |
KR100820926B1 (ko) | 2003-04-11 | 2008-04-10 | 가부시키가이샤후지쿠라 | 광파이버 |
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 |
US7164833B2 (en) * | 2003-09-24 | 2007-01-16 | Fitel U.S.A. Corp. | Optical fiber for improved performance in S-, C- and L-bands |
US7187833B2 (en) * | 2004-04-29 | 2007-03-06 | Corning Incorporated | Low attenuation large effective area optical fiber |
US7274848B1 (en) * | 2006-08-30 | 2007-09-25 | Corning Incorporated | High figure of merit dispersion compensating optical fiber for transmission fiber and transmission system utilizing same |
US7450807B2 (en) * | 2006-08-31 | 2008-11-11 | Corning Incorporated | Low bend loss optical fiber with deep depressed ring |
US8374472B2 (en) * | 2007-06-15 | 2013-02-12 | Ofs Fitel, Llc | Bend insensitivity in single mode optical fibers |
CN101201431B (zh) * | 2007-12-20 | 2010-06-02 | 烽火通信科技股份有限公司 | 宽带色散补偿光纤、其制造方法及宽带色散补偿模块 |
US8520994B2 (en) * | 2008-09-17 | 2013-08-27 | Ofs Fitel, Llc | Bandwidth-maintaining multimode optical fibers |
FR2953030B1 (fr) * | 2009-11-25 | 2011-11-18 | Draka Comteq France | Fibre optique multimode a tres large bande passante avec une interface coeur-gaine optimisee |
US7929818B1 (en) * | 2010-06-30 | 2011-04-19 | Corning Incorporated | Large effective area fiber with graded index GE-free core |
US8687932B2 (en) * | 2011-09-21 | 2014-04-01 | Ofs Fitel, Llc | Optimized ultra large area optical fibers |
US8718431B2 (en) * | 2011-09-21 | 2014-05-06 | Ofs Fitel, Llc | Optimized ultra large area optical fibers |
US8768129B2 (en) * | 2011-09-21 | 2014-07-01 | Ofs Fitel, Llc | Optimized ultra large area optical fibers |
-
2011
- 2011-09-21 US US13/239,125 patent/US8687932B2/en active Active
-
2012
- 2012-08-13 CN CN201280052985.1A patent/CN104024896B/zh active Active
- 2012-08-13 WO PCT/US2012/050555 patent/WO2013043274A1/en active Application Filing
- 2012-08-13 EP EP12833418.2A patent/EP2758818A4/en not_active Withdrawn
- 2012-08-13 JP JP2014531814A patent/JP2014530378A/ja active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007011366A (ja) * | 2005-06-29 | 2007-01-18 | Furukawa Electric North America Inc | 低損失光ファイバ、およびその製造方法 |
JP2007298987A (ja) * | 2006-05-03 | 2007-11-15 | Draka Comteq Bv | 波長分散補償ファイバ |
JP2008257250A (ja) * | 2007-04-06 | 2008-10-23 | Draka Comteq Bv | 大きい実効面積を有する伝送用光ファイバ |
JP2010527033A (ja) * | 2007-05-07 | 2010-08-05 | コーニング インコーポレイテッド | 拡大実効面積ファイバ |
US20100027951A1 (en) * | 2008-07-30 | 2010-02-04 | Dana Craig Bookbinder | Low bend loss single mode optical fiber |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018159146A1 (ja) * | 2017-03-03 | 2018-09-07 | 住友電気工業株式会社 | 光ファイバ |
JPWO2018159146A1 (ja) * | 2017-03-03 | 2020-01-09 | 住友電気工業株式会社 | 光ファイバ |
Also Published As
Publication number | Publication date |
---|---|
EP2758818A1 (en) | 2014-07-30 |
US8687932B2 (en) | 2014-04-01 |
WO2013043274A1 (en) | 2013-03-28 |
CN104024896A (zh) | 2014-09-03 |
US20130071080A1 (en) | 2013-03-21 |
CN104024896B (zh) | 2017-07-28 |
EP2758818A4 (en) | 2015-05-06 |
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