JPS5766403A - Optical-fiber dispersed delay equalizer - Google Patents

Optical-fiber dispersed delay equalizer

Info

Publication number
JPS5766403A
JPS5766403A JP55142413A JP14241380A JPS5766403A JP S5766403 A JPS5766403 A JP S5766403A JP 55142413 A JP55142413 A JP 55142413A JP 14241380 A JP14241380 A JP 14241380A JP S5766403 A JPS5766403 A JP S5766403A
Authority
JP
Japan
Prior art keywords
wavelength
waveguide
looped
waveguides
light
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.)
Pending
Application number
JP55142413A
Other languages
English (en)
Inventor
Nobuyuki Imoto
Masahiro Ikeda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP55142413A priority Critical patent/JPS5766403A/ja
Publication of JPS5766403A publication Critical patent/JPS5766403A/ja
Pending legal-status Critical Current

Links

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
    • G02B6/28—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
    • G02B6/29331—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 evanescent wave coupling
    • G02B6/29332—Wavelength selective couplers, i.e. based on evanescent coupling between light guides, e.g. fused fibre couplers with transverse coupling between fibres having different propagation constant wavelength dependency
    • G02B6/29334—Grating-assisted evanescent light guide couplers, i.e. comprising grating at or functionally associated with the coupling region between the light guides, e.g. with a grating positioned where light fields overlap in the coupler
    • 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
    • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G02B6/2821—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals
    • 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
    • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G02B6/2861—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using fibre optic delay lines and optical elements associated with them, e.g. for use in signal processing, e.g. filtering
    • 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
    • G02B6/29331—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 evanescent wave coupling
    • G02B6/29335—Evanescent coupling to a resonator cavity, i.e. between a waveguide mode and a resonant mode of the cavity
    • G02B6/29338—Loop resonators
    • G02B6/29343—Cascade of loop resonators
    • 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
    • H04B10/25133—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to chromatic dispersion including a lumped electrical or optical dispersion compensator
JP55142413A 1980-10-14 1980-10-14 Optical-fiber dispersed delay equalizer Pending JPS5766403A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55142413A JPS5766403A (en) 1980-10-14 1980-10-14 Optical-fiber dispersed delay equalizer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55142413A JPS5766403A (en) 1980-10-14 1980-10-14 Optical-fiber dispersed delay equalizer

Publications (1)

Publication Number Publication Date
JPS5766403A true JPS5766403A (en) 1982-04-22

Family

ID=15314751

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55142413A Pending JPS5766403A (en) 1980-10-14 1980-10-14 Optical-fiber dispersed delay equalizer

Country Status (1)

Country Link
JP (1) JPS5766403A (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4676584A (en) * 1983-06-22 1987-06-30 Metatech Corporation Fiber optic light coupling assemblies
FR2725528A1 (fr) * 1994-10-11 1996-04-12 Alcatel Nv Ligne a retard optique selectif en longueur d'onde
US5570439A (en) * 1993-01-19 1996-10-29 Hitachi, Ltd. Optical waveguide device and optical transmission system
WO1998044366A1 (de) * 1997-03-29 1998-10-08 Deutsche Telekom Ag Faser-integrierte mikrolinsen und optische faser-bragg-gitter-koppler und damit aufgebaute spektrometer und multiplexer
US6847759B2 (en) 2002-04-24 2005-01-25 Fujitsu Limited Wavelength dispersion compensating filter

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4676584A (en) * 1983-06-22 1987-06-30 Metatech Corporation Fiber optic light coupling assemblies
US5570439A (en) * 1993-01-19 1996-10-29 Hitachi, Ltd. Optical waveguide device and optical transmission system
FR2725528A1 (fr) * 1994-10-11 1996-04-12 Alcatel Nv Ligne a retard optique selectif en longueur d'onde
EP0707223A1 (fr) * 1994-10-11 1996-04-17 Alcatel N.V. Ligne à retard optique sélectif en longueur d'onde
US5737106A (en) * 1994-10-11 1998-04-07 Alcatel N.V. Wavelength selective optical delay line
WO1998044366A1 (de) * 1997-03-29 1998-10-08 Deutsche Telekom Ag Faser-integrierte mikrolinsen und optische faser-bragg-gitter-koppler und damit aufgebaute spektrometer und multiplexer
US6847759B2 (en) 2002-04-24 2005-01-25 Fujitsu Limited Wavelength dispersion compensating filter

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