DE250824T1 - Integrierter optischer multi-demultiplexer. - Google Patents

Integrierter optischer multi-demultiplexer.

Info

Publication number
DE250824T1
DE250824T1 DE198787107186T DE87107186T DE250824T1 DE 250824 T1 DE250824 T1 DE 250824T1 DE 198787107186 T DE198787107186 T DE 198787107186T DE 87107186 T DE87107186 T DE 87107186T DE 250824 T1 DE250824 T1 DE 250824T1
Authority
DE
Germany
Prior art keywords
integrated optical
optical device
step grating
grating
waveguide
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
DE198787107186T
Other languages
English (en)
Inventor
Amaresh Lexington Ma 02173 Mahapatra
Donald H. Carlisle Ma 01741 Mcmahon
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.)
Polaroid Corp
Original Assignee
Polaroid 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25351070&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE250824(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Polaroid Corp filed Critical Polaroid Corp
Publication of DE250824T1 publication Critical patent/DE250824T1/de
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
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B6/12007—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer
    • 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
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B6/122—Basic optical elements, e.g. light-guiding paths
    • G02B6/124—Geodesic lenses or integrated gratings
    • 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
    • G02B6/29316—Light guides comprising a diffractive element, e.g. grating in or on the light guide such that diffracted light is confined in the light guide
    • G02B6/29325—Light guides comprising a diffractive element, e.g. grating in or on the light guide such that diffracted light is confined in the light guide of the slab or planar or plate like form, i.e. confinement in a single transverse dimension only
    • G02B6/29326—Diffractive elements having focusing properties, e.g. curved gratings
    • 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
    • G02B6/29316—Light guides comprising a diffractive element, e.g. grating in or on the light guide such that diffracted light is confined in the light guide
    • G02B6/29325—Light guides comprising a diffractive element, e.g. grating in or on the light guide such that diffracted light is confined in the light guide of the slab or planar or plate like form, i.e. confinement in a single transverse dimension only
    • G02B6/29328—Diffractive elements 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)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optical Integrated Circuits (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)

Claims (10)

Patentansprüche:
1. Integrierte optische Einrichtung, umfassend ein dünnes ebenes Substrat aus transparentem dielektrischen Material, in das integral ein Stufengitter eingeformt ist, und Mittel zur Bestrahlung des Stufengitters mit einer elektromagnetischen Strahlung innerhalb einer gegebenen Bandbreite, um die Strahlung in Komponenten unterschiedlicher Wellenlängen zu zerlegen, die im Winkel zueinander derart dispergiert sind, daß in einem vorbestimmten Abstand vom Stufengitter die Komponenten räumlich getrennt sind, um eine individuelle Kopplung und eine nachfolgende Benutzung zu ermöglichen.
2. Integrierte optische Einrichtung nach Anspruch 1, bei welcher das Stufengitter senkrecht zur Hauptebene des Substrats orientiert ist.
3. Integrierte optische Einrichtung nach Anspruch 2, bei welcher das Stufengitter reflektierend ist.
4. Integrierte optische Einrichtung nach Anspruch 3, bei welcher das reflektierende Stufengitter gekrümmt ist, um ihm Fokussierungseigenschaften zu verleihen.
5. Integrierte optische Einrichtung nach Anspruch 4, bei welcher das reflektierende Stufengitter in Form eines Kreises gekrümmt ist.
6. Integrierte optische Einrichtung nach Anspruch 1, bei welcher das Stufengitter durchlässig ist.
7. Integrierte optische Einrichtung nach Anspruch 1, bei welcher diese Einrichtung unter Benutzung photolithographischer Techniken und unter Benutzung von Ätztechniken hergestellt ist.
8. Integrierte optische Einrichtung nach Anspruch 1, bei welcher die Mittel zur Bestrahlung des Stufengitters umfassen:
a) wenigstens einen Wellenleiter, der integral in der Einrichtung ausgebildet und so strukturiert ist, daß die gegebene Bandbreite elektromagnetischer Strahlung fortgeleitet wird, und
b) wenigstens einen Linsenbereich, der integral innerhalb der Einrichtung zwischen dem Wellenleiter und dem Stufengitter ausgebildet ist, um Strahlung von dem Wellenleiter aufzunehmen und diese auf das Stufengitter &ngr; zu richten.
9. Integrierte optische Einrichtung nach Anspruch 1, bei welcher das Stufengitter durchlässig ist.
10. Integrierte optische Einrichtung nach Anspruch 1, bei welcher die Einrichtung unter Benutzung photolithographischer Techniken und unter Benutzung von Ätztechniken hergestellt ist.
DE198787107186T 1986-05-29 1987-05-18 Integrierter optischer multi-demultiplexer. Pending DE250824T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/868,098 US4715027A (en) 1986-05-29 1986-05-29 Integrated optic multi/demultiplexer

Publications (1)

Publication Number Publication Date
DE250824T1 true DE250824T1 (de) 1988-04-28

Family

ID=25351070

Family Applications (2)

Application Number Title Priority Date Filing Date
DE8787107186T Expired - Fee Related DE3780713T2 (de) 1986-05-29 1987-05-18 Integrierter optischer multi-demultiplexer.
DE198787107186T Pending DE250824T1 (de) 1986-05-29 1987-05-18 Integrierter optischer multi-demultiplexer.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE8787107186T Expired - Fee Related DE3780713T2 (de) 1986-05-29 1987-05-18 Integrierter optischer multi-demultiplexer.

Country Status (5)

Country Link
US (1) US4715027A (de)
EP (1) EP0250824B1 (de)
JP (1) JPS62287210A (de)
CA (1) CA1270966A (de)
DE (2) DE3780713T2 (de)

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EP0393372A3 (de) * 1989-04-21 1991-10-16 Siemens Aktiengesellschaft Verfahren zur Herstellung eines an einem optischen Schichtwellenleiter ausgebildeten Beugungsgitters
GB8923351D0 (en) * 1989-10-17 1989-12-06 Stc Plc Multifrequency optical network
US5206920A (en) * 1991-02-01 1993-04-27 Siemens Aktiengesellschaft Integrated optical arrangement for demultiplexing a plurality of different wavelength channels and the method of manufacture
US5412506A (en) * 1992-03-09 1995-05-02 At&T Corp. Free-space optical interconnection arrangement
DE69325309T2 (de) * 1992-04-29 2000-01-27 At & T Corp., New York Effizienter optische Reflexionsmultiplexer und -demultiplexer
US5228103A (en) * 1992-08-17 1993-07-13 University Of Maryland Monolithically integrated wavelength division multiplexing laser array
DE69311048T2 (de) * 1992-09-29 1997-12-11 Nippon Telegraph & Telephone Multi/Demultiplexer mit Gitter aus gruppierten Wellenleitern und zurückgefürten optischen Wegen
DE4240707C1 (de) * 1992-12-03 1994-02-10 Siemens Ag Frequenzdemultiplexer
US5440416A (en) * 1993-02-24 1995-08-08 At&T Corp. Optical network comprising a compact wavelength-dividing component
US5355237A (en) * 1993-03-17 1994-10-11 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Wavelength-division multiplexed optical integrated circuit with vertical diffraction grating
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Also Published As

Publication number Publication date
DE3780713D1 (de) 1992-09-03
US4715027A (en) 1987-12-22
EP0250824B1 (de) 1992-07-29
CA1270966A (en) 1990-06-26
DE3780713T2 (de) 1993-03-04
JPS62287210A (ja) 1987-12-14
EP0250824A1 (de) 1988-01-07

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