CA1042247A - Reduction of modal and chromatic material dispersion in a multimode optical fiber - Google Patents
Reduction of modal and chromatic material dispersion in a multimode optical fiberInfo
- Publication number
- CA1042247A CA1042247A CA258,322A CA258322A CA1042247A CA 1042247 A CA1042247 A CA 1042247A CA 258322 A CA258322 A CA 258322A CA 1042247 A CA1042247 A CA 1042247A
- Authority
- CA
- Canada
- Prior art keywords
- fibre
- lambda
- angle
- grating
- modal
- 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
Links
- 239000006185 dispersion Substances 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 title claims abstract description 11
- 239000013307 optical fiber Substances 0.000 title claims abstract description 8
- 230000009467 reduction Effects 0.000 title abstract description 4
- 239000000835 fiber Substances 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims description 12
- 238000001228 spectrum Methods 0.000 claims description 4
- 230000001447 compensatory effect Effects 0.000 claims 1
- 238000009826 distribution Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000003892 spreading Methods 0.000 description 3
- 230000007480 spreading Effects 0.000 description 3
- 238000005253 cladding Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000470 constituent 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
- 230000001934 delay Effects 0.000 description 1
- 239000005350 fused silica glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000010409 thin film 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
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/268—Optical coupling means for modal dispersion control, e.g. concatenation of light guides having different modal dispersion properties
-
- 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
- G02B6/29304—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 by diffraction, e.g. grating
- G02B6/29305—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 by diffraction, e.g. grating as bulk element, i.e. free space arrangement external to a light guide
- G02B6/29311—Diffractive element operating in transmission
-
- 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
-
- 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
- G02B6/29379—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 characterised by the function or use of the complete device
- G02B6/29392—Controlling dispersion
- G02B6/29394—Compensating wavelength dispersion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
- H04B10/2513—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to chromatic dispersion
- H04B10/2525—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to chromatic dispersion using dispersion-compensating fibres
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Optical Couplings Of Light Guides (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA258,322A CA1042247A (en) | 1976-08-03 | 1976-08-03 | Reduction of modal and chromatic material dispersion in a multimode optical fiber |
| US05/711,419 US4067642A (en) | 1976-08-03 | 1976-08-03 | Reduction of modal and chromatic material dispersion in a multimode optical fiber |
| NL7706341A NL7706341A (nl) | 1976-08-03 | 1977-06-09 | Werkwijze en inrichting voor gebruik met optische vezelgeleiders. |
| IT24591/77A IT1084563B (it) | 1976-08-03 | 1977-06-10 | Riduzione della dispersione modale e cromatica del materiale in una fibra ottica a molti modi. |
| JP7957977A JPS5322446A (en) | 1976-08-03 | 1977-07-05 | Method of reducing mode and material dispersion in multiimode optical fiber |
| DE19772731645 DE2731645A1 (de) | 1976-08-03 | 1977-07-13 | Verfahren zum herabsetzen der modusbedingten und der chromatischen material- dispersion in einer optischen faser fuer multimodenbetrieb |
| ES461168A ES461168A1 (es) | 1976-08-03 | 1977-07-29 | Procedimiento para reducir la dispersion nodal y material cromatica en una fibra optica de modos multiples. |
| SE7708821A SE7708821L (sv) | 1976-08-03 | 1977-08-02 | Sett att reducera modal och kromatisk materialdispersion i en optisk fiber av multimodtyp |
| FR7723933A FR2360894A1 (fr) | 1976-08-03 | 1977-08-03 | Procede de reduction des dispersions de mode et chromatique dans une fibre optique multimode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA258,322A CA1042247A (en) | 1976-08-03 | 1976-08-03 | Reduction of modal and chromatic material dispersion in a multimode optical fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1042247A true CA1042247A (en) | 1978-11-14 |
Family
ID=4106563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA258,322A Expired CA1042247A (en) | 1976-08-03 | 1976-08-03 | Reduction of modal and chromatic material dispersion in a multimode optical fiber |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4067642A (enExample) |
| JP (1) | JPS5322446A (enExample) |
| CA (1) | CA1042247A (enExample) |
| DE (1) | DE2731645A1 (enExample) |
| ES (1) | ES461168A1 (enExample) |
| FR (1) | FR2360894A1 (enExample) |
| IT (1) | IT1084563B (enExample) |
| NL (1) | NL7706341A (enExample) |
| SE (1) | SE7708821L (enExample) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4198117A (en) * | 1976-12-28 | 1980-04-15 | Nippon Electric Co., Ltd. | Optical wavelength-division multiplexing and demultiplexing device |
| US4111524A (en) * | 1977-04-14 | 1978-09-05 | Bell Telephone Laboratories, Incorporated | Wavelength division multiplexer |
| US4153330A (en) * | 1977-12-01 | 1979-05-08 | Bell Telephone Laboratories, Incorporated | Single-mode wavelength division optical multiplexer |
| NL7714270A (nl) * | 1977-12-22 | 1979-06-26 | Nederlanden Staat | Inrichting voor het koppelen van ten minste drie lichtgeleiders. |
| GB2101763B (en) * | 1981-07-16 | 1985-01-30 | Standard Telephones Cables Ltd | Delay equalisation for single mode fibres |
| US4770492A (en) * | 1986-10-28 | 1988-09-13 | Spectran Corporation | Pressure or strain sensitive optical fiber |
| US4911516A (en) * | 1989-02-27 | 1990-03-27 | General Electric Company | Optical device with mode selecting grating |
| US5185827A (en) * | 1991-09-26 | 1993-02-09 | At&T Bell Laboratories | Apparatus for compensating chromatic dispersion in optical fibers |
| US5261016A (en) * | 1991-09-26 | 1993-11-09 | At&T Bell Laboratories | Chromatic dispersion compensated optical fiber communication system |
| FR2685834B1 (fr) * | 1991-12-31 | 1995-03-31 | France Telecom | Systeme de transmission numerique longue distance sur fibre optique a compensation a l'emission des distorsions. |
| FR2685835A1 (fr) * | 1991-12-31 | 1993-07-02 | France Telecom | Systeme de transmission tres longue distance sur fibre optique a compensation des distorsions a la reception. |
| US5416862A (en) * | 1993-04-07 | 1995-05-16 | At&T Corp. | Lightwave transmission system using selected optical modes |
| US5629998A (en) * | 1996-01-29 | 1997-05-13 | Corning Incorporated | Method and apparatus for writing photosensitive grating using Lloyd's mirror |
| GB9605011D0 (en) * | 1996-03-08 | 1996-05-08 | Hewlett Packard Co | Multimode communications systems |
| WO2006033853A2 (en) * | 2004-09-07 | 2006-03-30 | The Regents Of The University Of California | Chromomodal dispersion apparatus and methods |
| EP2009416A1 (en) * | 2007-06-29 | 2008-12-31 | Interuniversitair Microelektronica Centrum Vzw | Optical probe |
| FR2938389B1 (fr) * | 2008-11-07 | 2011-04-15 | Draka Comteq France | Systeme optique multimode |
| US20100154478A1 (en) | 2008-12-01 | 2010-06-24 | Panduit Corp. | Multimode fiber having improved index profile |
| US8351027B2 (en) * | 2009-06-15 | 2013-01-08 | Panduit Corp. | Method and metric for selecting and designing multimode fiber for improved performance |
| US20110075976A1 (en) * | 2009-09-30 | 2011-03-31 | James Scott Sutherland | Substrates and grippers for optical fiber alignment with optical element(s) and related methods |
| US8477298B2 (en) * | 2009-09-30 | 2013-07-02 | Corning Incorporated | Angle-cleaved optical fibers and methods of making and using same |
| US8295671B2 (en) * | 2009-10-15 | 2012-10-23 | Corning Incorporated | Coated optical fibers and related apparatuses, links, and methods for providing optical attenuation |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3909110A (en) * | 1974-11-11 | 1975-09-30 | Bell Telephone Labor Inc | Reduction of dispersion in a multimode fiber waveguide with core index fluctuations |
| US4006962A (en) * | 1975-05-27 | 1977-02-08 | Corning Glass Works | Communication system having low dispersion glass optical waveguide |
-
1976
- 1976-08-03 US US05/711,419 patent/US4067642A/en not_active Expired - Lifetime
- 1976-08-03 CA CA258,322A patent/CA1042247A/en not_active Expired
-
1977
- 1977-06-09 NL NL7706341A patent/NL7706341A/xx not_active Application Discontinuation
- 1977-06-10 IT IT24591/77A patent/IT1084563B/it active
- 1977-07-05 JP JP7957977A patent/JPS5322446A/ja active Granted
- 1977-07-13 DE DE19772731645 patent/DE2731645A1/de not_active Withdrawn
- 1977-07-29 ES ES461168A patent/ES461168A1/es not_active Expired
- 1977-08-02 SE SE7708821A patent/SE7708821L/xx unknown
- 1977-08-03 FR FR7723933A patent/FR2360894A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| JPS615122B2 (enExample) | 1986-02-15 |
| ES461168A1 (es) | 1978-06-16 |
| IT1084563B (it) | 1985-05-25 |
| SE7708821L (sv) | 1978-02-04 |
| US4067642A (en) | 1978-01-10 |
| FR2360894A1 (fr) | 1978-03-03 |
| NL7706341A (nl) | 1978-02-07 |
| DE2731645A1 (de) | 1978-02-09 |
| JPS5322446A (en) | 1978-03-01 |
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