DE69933971T2 - Monomode-Lichtleitfaser für Fernübertragung - Google Patents
Monomode-Lichtleitfaser für Fernübertragung Download PDFInfo
- Publication number
- DE69933971T2 DE69933971T2 DE69933971T DE69933971T DE69933971T2 DE 69933971 T2 DE69933971 T2 DE 69933971T2 DE 69933971 T DE69933971 T DE 69933971T DE 69933971 T DE69933971 T DE 69933971T DE 69933971 T2 DE69933971 T2 DE 69933971T2
- Authority
- DE
- Germany
- Prior art keywords
- range
- segment
- radius
- waveguide fiber
- refractive index
- 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 - Lifetime
Links
- 230000005540 biological transmission Effects 0.000 title description 2
- 239000013307 optical fiber Substances 0.000 title 1
- 239000000835 fiber Substances 0.000 claims abstract description 37
- 239000006185 dispersion Substances 0.000 claims abstract description 28
- 230000003287 optical effect Effects 0.000 claims abstract description 21
- 230000010287 polarization Effects 0.000 claims abstract description 5
- 238000005253 cladding Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 238000009792 diffusion process Methods 0.000 description 6
- 230000009021 linear effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 239000002019 doping agent Substances 0.000 description 3
- 230000009022 nonlinear effect Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000006121 base glass Substances 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical group [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012821 model calculation Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000004804 winding Methods 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
- G02B6/036—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
- G02B6/03638—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 3 layers only
- G02B6/03644—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 3 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
- G02B6/02009—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
-
- 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
- G02B6/02285—Characterised by the polarisation mode dispersion [PMD] properties, e.g. for minimising PMD
-
- 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
- G02B6/0286—Combination of graded index in the central core segment and a graded index layer external to the central core segment
-
- 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
- G02B6/03605—Highest refractive index not on central axis
- G02B6/03611—Highest index adjacent to central axis region, e.g. annular core, coaxial ring, centreline depression affecting waveguiding
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Optical Communication System (AREA)
- Glass Compositions (AREA)
- Lasers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US106332P | 1998-08-30 | ||
| US10633298P | 1998-10-30 | 1998-10-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69933971D1 DE69933971D1 (de) | 2006-12-28 |
| DE69933971T2 true DE69933971T2 (de) | 2007-10-04 |
Family
ID=22310853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69933971T Expired - Lifetime DE69933971T2 (de) | 1998-08-30 | 1999-08-02 | Monomode-Lichtleitfaser für Fernübertragung |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0984305B1 (enExample) |
| JP (1) | JP4331337B2 (enExample) |
| AT (1) | ATE345512T1 (enExample) |
| DE (1) | DE69933971T2 (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2355312C (en) | 1998-12-18 | 2009-04-07 | Pirelli Cavi E Sistemi S.P.A. | Optical system and method having low loss and non-linear effects |
| AU780177B2 (en) | 1998-12-18 | 2005-03-03 | Prysmian Cavi E Sistemi Energia S.R.L. | Optical fiber for metropolitan and access network systems |
| EP1653262A3 (en) * | 1998-12-18 | 2006-05-10 | Prysmian Cavi e Sistemi Energia S.r.l. | Optical system and method having low loss and non-linear effects |
| AU2023201002A1 (en) * | 2022-03-31 | 2023-10-19 | Sterlite Technologies Limited | Optical fiber with an attenuation reduction refractive index (ri) profile |
| CN116131938B (zh) * | 2023-02-14 | 2023-11-24 | 讯芸电子科技(中山)有限公司 | 一种搭载光电子模块的设备异常信号确定方法及装置 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5835655A (en) * | 1995-01-26 | 1998-11-10 | Corning Incorporated | Large effective area waveguide fiber |
| AU715435B2 (en) * | 1996-02-12 | 2000-02-03 | Corning Incorporated | Single mode optical waveguide having large effective area |
| ATE345513T1 (de) * | 1997-09-12 | 2006-12-15 | Corning Inc | Optischer wellenleiter mit niedriger dämpfung |
-
1999
- 1999-08-02 DE DE69933971T patent/DE69933971T2/de not_active Expired - Lifetime
- 1999-08-02 EP EP99306112A patent/EP0984305B1/en not_active Expired - Lifetime
- 1999-08-02 JP JP21905999A patent/JP4331337B2/ja not_active Expired - Fee Related
- 1999-08-02 AT AT99306112T patent/ATE345512T1/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JP2000137130A (ja) | 2000-05-16 |
| ATE345512T1 (de) | 2006-12-15 |
| DE69933971D1 (de) | 2006-12-28 |
| EP0984305A1 (en) | 2000-03-08 |
| JP4331337B2 (ja) | 2009-09-16 |
| EP0984305B1 (en) | 2006-11-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition |