JP4229123B2 - 光伝送路 - Google Patents
光伝送路 Download PDFInfo
- Publication number
- JP4229123B2 JP4229123B2 JP2005512565A JP2005512565A JP4229123B2 JP 4229123 B2 JP4229123 B2 JP 4229123B2 JP 2005512565 A JP2005512565 A JP 2005512565A JP 2005512565 A JP2005512565 A JP 2005512565A JP 4229123 B2 JP4229123 B2 JP 4229123B2
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- wavelength
- optical
- transmission line
- less
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- 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
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
- G01M11/33—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face
-
- 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
-
- 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
- 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
- G02B6/24—Coupling light guides
-
- 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
- G02B6/29376—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 coupling light guides for controlling wavelength dispersion, e.g. by concatenation of two light guides having different dispersion properties
- G02B6/29377—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 coupling light guides for controlling wavelength dispersion, e.g. by concatenation of two light guides having different dispersion properties controlling dispersion around 1550 nm, i.e. S, C, L and U bands from 1460-1675 nm
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Optical Communication System (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Description
OFS社、"Mixing TrueWaveR RS Fiber with Other Single-Mode Fiber Designs Within a Network"、[平成16年2月27日検索]、<URL: http://www.ofsoptics.com/simages/pdfs/fiber/whitePaper/MixingSingle-ModeFibers1002-0702.pdf>
Claims (7)
- 互いに接続された第1光ファイバと第2光ファイバとを備えた光伝送路であって、
前記第1及び第2光ファイバは、波長範囲1260nm〜1625nmに含まれるいずれかの波長λにおいて、前記第1光ファイバのレイリ散乱係数をA1とし、前記第1光ファイバのモードフィールド径をB1とし、前記第2光ファイバのレイリ散乱係数をA2とし、前記第2光ファイバのモードフィールド径をB2としたとき、以下の式で表されるパラメータKの値が0.2dB以下であって、A1とA2との差の絶対値が0.03dB/km/μm4より大きい関係を満たしている光伝送路。
- 互いに接続された第1光ファイバと第2光ファイバとを備えた光伝送路であって、
前記第1及び第2光ファイバは、波長範囲1260nm〜1625nmに含まれるいずれかの波長λにおいて、前記第1光ファイバのレイリ散乱係数をA1とし、前記第1光ファイバのモードフィールド径をB1とし、前記第2光ファイバのレイリ散乱係数をA2とし、前記第2光ファイバのモードフィールド径をB2としたとき、以下のなる式で表されるパラメータKの値が0.2dB以下であって、比(B2/B1)の値が0.97以下である関係を満たしている光伝送路。
- 互いに接続された第1光ファイバと第2光ファイバとを備えた光伝送路であって、
前記第1及び第2光ファイバは、波長範囲1260nm〜1625nmに含まれるいずれかの波長λにおいて、前記第1光ファイバのレイリ散乱係数をA1とし、前記第1光ファイバのモードフィールド径をB1とし、前記第2光ファイバのレイリ散乱係数をA2とし、前記第2光ファイバのモードフィールド径をB2としたとき、以下の式で表されるパラメータKの値が0.2dB以下であって、A1とA2との差の絶対値が0.08dB/km/μm4以上であり、比(B2/B1)の値が0.97以下である関係を満たしている光伝送路。
- 互いに接続された第1光ファイバと第2光ファイバとを備えた光伝送路であって、
前記第1及び第2光ファイバは、波長範囲1260nm〜1625nmに含まれるいずれかの波長λにおいて、前記第1光ファイバの伝送損失をα1とし、前記第1光ファイバのモードフィールド径をB1とし、前記第2光ファイバの伝送損失をα2とし、前記第2光ファイバのモードフィールド径をB2としたとき、以下の式で表されるパラメータKの値が0.2dB以下であって、α1とα2との差の絶対値が0.03/λ4dB/km以上である関係を満たしている光伝送路。
- 互いに接続された第1光ファイバと第2光ファイバとを備えた光伝送路であって、
前記第1及び第2光ファイバは、波長範囲1260nm〜1625nmに含まれるいずれかの波長λにおいて、前記第1光ファイバの伝送損失をα1とし、前記第1光ファイバのモードフィールド径をB1とし、前記第2光ファイバの伝送損失をα2とし、前記第2光ファイバのモードフィールド径をB2としたとき、以下の式で表されるパラメータKの値が0.2dB以下であって、α1とα2との差の絶対値が0.08/λ4dB/km以上であり、比(B2/B1)の値が0.97以下である関係を満たしている光伝送路。
- 前記第1光ファイバのレイリ散乱係数A1は、0.94dB/km/μm4〜1.00dB/km/μm4であり、前記第2光ファイバのレイリ散乱係数A2は、0.84dB/km/μm4〜0.90dB/km/μm4であり、波長1310nmにおける前記第1光ファイバのモードフィールド径B1は、9.0μm〜9.5μmであり、波長1310nmにおける前記第2光ファイバのモードフィールド径B2は8.3μm〜9.0μmであることを特徴とする請求項1記載の光伝送路。
- 波長1310nmにおける前記第1光ファイバの伝送損失α1は、0.32dB/km〜0.35dB/kmであり、波長1310nmにおける前記第2光ファイバの伝送損失α2は、0.28dB/km〜0.32dB/kmであり、波長1310nmにおける前記第1光ファイバのモードフィールド径B1は、9.0μm〜9.5μmであり、そして、波長1310nmにおける前記第2光ファイバのモードフィールド径B2は、8.3μm〜9.0μmであることを特徴とする請求項4記載の光伝送路。
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003286118 | 2003-08-04 | ||
JP2003286118 | 2003-08-04 | ||
JP2003427765 | 2003-12-24 | ||
JP2003427765 | 2003-12-24 | ||
JP2004067801 | 2004-03-10 | ||
JP2004067801 | 2004-03-10 | ||
PCT/JP2004/011164 WO2005012965A1 (ja) | 2003-08-04 | 2004-08-04 | 光伝送路構成方法、光伝送路、及び光ファイバ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2005012965A1 JPWO2005012965A1 (ja) | 2007-09-27 |
JP4229123B2 true JP4229123B2 (ja) | 2009-02-25 |
Family
ID=34119574
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005512565A Expired - Fee Related JP4229123B2 (ja) | 2003-08-04 | 2004-08-04 | 光伝送路 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7359602B2 (ja) |
EP (1) | EP1662280B1 (ja) |
JP (1) | JP4229123B2 (ja) |
KR (1) | KR20060132782A (ja) |
TW (1) | TW200508678A (ja) |
WO (1) | WO2005012965A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3324169A1 (en) * | 2016-11-22 | 2018-05-23 | Xieon Networks S.à r.l. | Detection of gainers and exaggerated losses in unidirectional otdr traces |
US10663326B2 (en) * | 2017-08-21 | 2020-05-26 | Corning Incorporated | Rayleigh scattering based distributed fiber sensors with optimized scattering coefficients |
CN111855145A (zh) * | 2020-07-30 | 2020-10-30 | 成都中住光纤有限公司 | 一种光纤宏弯测试装置的使用方法 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
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US4089586A (en) * | 1976-06-23 | 1978-05-16 | Bell Telephone Laboratories, Incorporated | Single mode optical transmission line |
JPS583205B2 (ja) * | 1979-10-08 | 1983-01-20 | 日本電信電話株式会社 | 超広帯域単一モ−ド光フアイバ |
JPS62176941A (ja) * | 1986-01-28 | 1987-08-03 | Sumitomo Electric Ind Ltd | 光フアイバ |
JPH01224706A (ja) | 1988-03-04 | 1989-09-07 | Sumitomo Electric Ind Ltd | 光ファイバ |
JPH02217329A (ja) | 1989-02-20 | 1990-08-30 | Sumitomo Electric Ind Ltd | 光ファイバ用ガラス母材の製造方法 |
US6205268B1 (en) * | 1993-05-28 | 2001-03-20 | Lucent Technologies Inc. | Arrangement of optical fiber segments for minimizing effect of nonlinearities |
DE69837506T2 (de) | 1997-02-26 | 2007-12-27 | Nippon Telegraph And Telephone Corp. | Optische Faser |
JPH11326670A (ja) | 1998-03-19 | 1999-11-26 | Sumitomo Electric Ind Ltd | 純石英ガラスコア光ファイバおよび光ファイバ伝送路 |
TW436645B (en) * | 1998-07-07 | 2001-05-28 | Sumitomo Electric Industries | Optical fiber |
ID29527A (id) | 1998-11-26 | 2001-09-06 | Sumitomo Electric Industries | Serat optik dan sistem transmisi optik yang mencakup serat optik yang sama |
US6301426B1 (en) * | 1999-03-16 | 2001-10-09 | Molecular Optoelectronics Corporation | Mechanically adjustable fiber optic attenuator and method employing same |
EP1222482A2 (en) | 1999-10-12 | 2002-07-17 | Corning Incorporated | Higher wavelength optimized optical fiber waveguide |
AU773229B2 (en) * | 2000-08-28 | 2004-05-20 | Sumitomo Electric Industries, Ltd. | Optical fiber and method of making the same |
IT1318846B1 (it) * | 2000-09-11 | 2003-09-10 | Pirelli Cavi E Sistemi Spa | Rete di distribuzione di segnali ad una pluralita' di apparecchiatureutente. |
JP2002303741A (ja) * | 2001-04-06 | 2002-10-18 | Shin Etsu Chem Co Ltd | シングルモード光ファイバ用ガラス母材及びシングルモード光ファイバ並びにその評価方法 |
JP2003084163A (ja) * | 2001-09-07 | 2003-03-19 | Sumitomo Electric Ind Ltd | 光ファイバ、光伝送路および光通信システム |
JP2003279780A (ja) | 2002-01-15 | 2003-10-02 | Sumitomo Electric Ind Ltd | 光ファイバ、光ファイバテープ、光ケーブル及び光ファイバ付き光コネクタ |
JP2003255169A (ja) | 2002-03-04 | 2003-09-10 | Furukawa Electric Co Ltd:The | 光ファイバおよびその光ファイバを用いた光伝送路ならびに光伝送リンク |
AU2003210934A1 (en) * | 2002-02-15 | 2003-09-09 | Corning Incorporated | Low slope dispersion shifted optical fiber |
US7079736B2 (en) * | 2002-06-28 | 2006-07-18 | The Furukawa Electric Co., Ltd. | Optical fiber for WDM system and manufacturing method thereof |
-
2004
- 2004-08-04 TW TW093123440A patent/TW200508678A/zh unknown
- 2004-08-04 KR KR1020067002412A patent/KR20060132782A/ko not_active Application Discontinuation
- 2004-08-04 JP JP2005512565A patent/JP4229123B2/ja not_active Expired - Fee Related
- 2004-08-04 US US10/532,708 patent/US7359602B2/en active Active
- 2004-08-04 WO PCT/JP2004/011164 patent/WO2005012965A1/ja active Application Filing
- 2004-08-04 EP EP04771201.3A patent/EP1662280B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US7359602B2 (en) | 2008-04-15 |
EP1662280A1 (en) | 2006-05-31 |
EP1662280A4 (en) | 2009-09-02 |
US20060056785A1 (en) | 2006-03-16 |
KR20060132782A (ko) | 2006-12-22 |
JPWO2005012965A1 (ja) | 2007-09-27 |
TW200508678A (en) | 2005-03-01 |
WO2005012965A1 (ja) | 2005-02-10 |
EP1662280B1 (en) | 2016-05-18 |
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