CA1089932A - Multiplexeur par repartition de longueurs d'ondes/demultiplexeur dans des systemes de communication par fibres optiques - Google Patents

Multiplexeur par repartition de longueurs d'ondes/demultiplexeur dans des systemes de communication par fibres optiques

Info

Publication number
CA1089932A
CA1089932A CA292,383A CA292383A CA1089932A CA 1089932 A CA1089932 A CA 1089932A CA 292383 A CA292383 A CA 292383A CA 1089932 A CA1089932 A CA 1089932A
Authority
CA
Canada
Prior art keywords
optical
fibre
demultiplexer
focussing
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.)
Expired
Application number
CA292,383A
Other languages
English (en)
Inventor
Norman Toms
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.)
Nortel Networks Ltd
Original Assignee
Northern Telecom Ltd
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 Northern Telecom Ltd filed Critical Northern Telecom Ltd
Priority to CA292,383A priority Critical patent/CA1089932A/fr
Application granted granted Critical
Publication of CA1089932A publication Critical patent/CA1089932A/fr
Expired 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
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4246—Bidirectionally operating package structures
    • 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
    • G02B6/29307—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 components assembled in or forming a solid transparent unitary block, e.g. for facilitating component alignment
    • 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
    • G02B6/2931—Diffractive element operating in reflection
    • 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
    • G02B6/2938—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 for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Optical Communication System (AREA)
CA292,383A 1977-12-05 1977-12-05 Multiplexeur par repartition de longueurs d'ondes/demultiplexeur dans des systemes de communication par fibres optiques Expired CA1089932A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA292,383A CA1089932A (fr) 1977-12-05 1977-12-05 Multiplexeur par repartition de longueurs d'ondes/demultiplexeur dans des systemes de communication par fibres optiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA292,383A CA1089932A (fr) 1977-12-05 1977-12-05 Multiplexeur par repartition de longueurs d'ondes/demultiplexeur dans des systemes de communication par fibres optiques

Publications (1)

Publication Number Publication Date
CA1089932A true CA1089932A (fr) 1980-11-18

Family

ID=4110209

Family Applications (1)

Application Number Title Priority Date Filing Date
CA292,383A Expired CA1089932A (fr) 1977-12-05 1977-12-05 Multiplexeur par repartition de longueurs d'ondes/demultiplexeur dans des systemes de communication par fibres optiques

Country Status (1)

Country Link
CA (1) CA1089932A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982001631A1 (fr) * 1980-10-23 1982-05-13 Carter Andrew C Systemes de transmission optique
WO1987004862A1 (fr) * 1986-01-30 1987-08-13 Pa Consulting Services Limited Demultiplexeur optique
WO1988007216A1 (fr) * 1987-03-13 1988-09-22 Plessey Overseas Limited Appareil de multiplexage optique de division de longueur d'onde
FR2650897A1 (fr) * 1989-08-14 1991-02-15 Framatome Sa Dispositif de demultiplexage par longueurs d'onde d'un signal lumineux

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982001631A1 (fr) * 1980-10-23 1982-05-13 Carter Andrew C Systemes de transmission optique
WO1987004862A1 (fr) * 1986-01-30 1987-08-13 Pa Consulting Services Limited Demultiplexeur optique
WO1988007216A1 (fr) * 1987-03-13 1988-09-22 Plessey Overseas Limited Appareil de multiplexage optique de division de longueur d'onde
US4923270A (en) * 1987-03-13 1990-05-08 Plessey Overseas Limited Apparatus for optical wavelength division multiplexing
FR2650897A1 (fr) * 1989-08-14 1991-02-15 Framatome Sa Dispositif de demultiplexage par longueurs d'onde d'un signal lumineux

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