DE3674615D1 - Umkehrbare demultiplexeinrichtung von einer mehrzahl von lichtsignalen in integrierter optik. - Google Patents

Umkehrbare demultiplexeinrichtung von einer mehrzahl von lichtsignalen in integrierter optik.

Info

Publication number
DE3674615D1
DE3674615D1 DE8686400499T DE3674615T DE3674615D1 DE 3674615 D1 DE3674615 D1 DE 3674615D1 DE 8686400499 T DE8686400499 T DE 8686400499T DE 3674615 T DE3674615 T DE 3674615T DE 3674615 D1 DE3674615 D1 DE 3674615D1
Authority
DE
Germany
Prior art keywords
reversible
light signals
multiple number
integrated optics
demultiplex device
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
Application number
DE8686400499T
Other languages
English (en)
Inventor
Jacques Lizet
Serge Valette
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Application granted granted Critical
Publication of DE3674615D1 publication Critical patent/DE3674615D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G02B6/12004—Combinations of two or more optical elements
    • 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
    • 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 Communication System (AREA)
DE8686400499T 1985-03-13 1986-03-10 Umkehrbare demultiplexeinrichtung von einer mehrzahl von lichtsignalen in integrierter optik. Expired - Lifetime DE3674615D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8503681A FR2579044B1 (fr) 1985-03-13 1985-03-13 Dispositif de multiplexage de plusieurs signaux lumineux en optique integree

Publications (1)

Publication Number Publication Date
DE3674615D1 true DE3674615D1 (de) 1990-11-08

Family

ID=9317145

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686400499T Expired - Lifetime DE3674615D1 (de) 1985-03-13 1986-03-10 Umkehrbare demultiplexeinrichtung von einer mehrzahl von lichtsignalen in integrierter optik.

Country Status (5)

Country Link
US (1) US4740951A (de)
EP (1) EP0196948B1 (de)
JP (1) JPS61212805A (de)
DE (1) DE3674615D1 (de)
FR (1) FR2579044B1 (de)

Families Citing this family (118)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1280921C (en) * 1986-01-30 1991-03-05 Masataka Shirasaki Optical wavelength compounding/dividing device
DE3611246A1 (de) * 1986-04-04 1987-10-15 Kernforschungsz Karlsruhe Verfahren zum herstellen eines passiven optischen bauelements mit einem oder mehreren echelette-gittern und nach diesem verfahren hergestelltes bauelement
FR2609180B1 (fr) * 1986-12-31 1989-11-03 Commissariat Energie Atomique Multiplexeur-demultiplexeur utilisant un reseau concave elliptique et realise en optique integree
DE3853964D1 (de) * 1987-03-16 1995-07-20 Siemens Ag Anordnung für ein integriert-optisches Spektrometer und Verfahren zur Herstellung eines solchen Spektrometers.
US4852079A (en) * 1987-11-23 1989-07-25 Allied-Signal Inc. Optical spectral analyzer
US4926412A (en) * 1988-02-22 1990-05-15 Physical Optics Corporation High channel density wavelength division multiplexer with defined diffracting means positioning
GB8810285D0 (en) * 1988-04-29 1988-06-02 British Telecomm Travelling wave optical modulator
FR2635198B1 (fr) * 1988-08-03 1992-09-04 Commissariat Energie Atomique Dispositif de commutation de faisceaux lumineux integre
US4842357A (en) * 1988-08-08 1989-06-27 The Boeing Company Integrated wavelength division multiplexed optical sensor
DE3831345A1 (de) * 1988-09-15 1990-03-29 Zeiss Carl Fa Verfahren zum herstellen von abbildenden optischen elementen in planaren wellenleitern
GB2222891B (en) * 1988-09-17 1992-01-08 Stc Plc Diffraction grating
US5287422A (en) * 1988-10-04 1994-02-15 Canon Kabushiki Kaisha Integrated type optical node and optical information system using the same
US5222163A (en) * 1988-10-04 1993-06-22 Canon Kabushiki Kaisha Integrated type optical node and optical information system using the same
US4923271A (en) * 1989-03-28 1990-05-08 American Telephone And Telegraph Company Optical multiplexer/demultiplexer using focusing Bragg reflectors
FR2660440B1 (fr) * 1990-04-03 1992-10-16 Commissariat Energie Atomique Composant optique integre protege contre l'environnement et son procede de fabrication.
US5253319A (en) * 1992-02-24 1993-10-12 Corning Incorporated Planar optical waveguides with planar optical elements
FR2689349B1 (fr) * 1992-03-31 1994-05-06 Alcatel Nv Multiplexeur en longueur d'onde pour systeme optique integre.
JP3404040B2 (ja) * 1992-06-24 2003-05-06 ブリテイッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニー Ｂ▲２▼０▲３▼含有ガラスにおける光誘導回折格子
US6229945B1 (en) * 1992-06-24 2001-05-08 British Telecommunications Public Limited Company Photo induced grating in B2O3 containing glass
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
US5500910A (en) * 1994-06-30 1996-03-19 The Whitaker Corporation Passively aligned holographic WDM
FR2725795A1 (fr) * 1994-10-13 1996-04-19 Corning Inc Dispositif achromatique en optique integree
WO1997026571A2 (en) * 1996-01-18 1997-07-24 British Telecommunications Public Limited Company Optical waveguide with photosensitive refractive index cladding
US6111674A (en) * 1996-02-23 2000-08-29 Corning Incorporated Multiple reflection multiplexer and demultiplexer
CA2248042C (en) * 1996-03-27 2002-04-23 British Telecommunications Public Limited Company Optical diffraction grating
FR2748573B1 (fr) * 1996-05-10 1998-06-05 Commissariat Energie Atomique Filtre en optique integree
US6034938A (en) * 1996-07-30 2000-03-07 Seagate Technology, Inc. Data storage system having an optical processing flying head
US6178150B1 (en) 1996-07-30 2001-01-23 Seagate Technology Inc. Offset optics for use with optical heads
US5850375A (en) * 1996-07-30 1998-12-15 Seagate Technology, Inc. System and method using optical fibers in a data storage and retrieval system
US6061323A (en) * 1996-07-30 2000-05-09 Seagate Technology, Inc. Data storage system having an improved surface micro-machined mirror
US6850475B1 (en) 1996-07-30 2005-02-01 Seagate Technology, Llc Single frequency laser source for optical data storage system
US6226233B1 (en) 1996-07-30 2001-05-01 Seagate Technology, Inc. Magneto-optical system utilizing MSR media
US6081499A (en) * 1997-05-05 2000-06-27 Seagate Technology, Inc. Magneto-optical data storage system having an optical-processing flying head
US6044056A (en) 1996-07-30 2000-03-28 Seagate Technology, Inc. Flying optical head with dynamic mirror
US5940549A (en) * 1996-07-30 1999-08-17 Seagate Technology, Incorporated Optical system and method using optical fibers for storage and retrieval of information
US6058094A (en) * 1996-07-30 2000-05-02 Seagate Technology Inc. Flying magneto-optical head with a steerable mirror
US5818986A (en) * 1996-10-15 1998-10-06 Asawa; Charles K. Angular Bragg reflection planar channel waveguide wavelength demultiplexer
TW373083B (en) * 1996-12-20 1999-11-01 Corning Inc Reflective coupling array for optical waveguide
US6421179B1 (en) 1997-05-02 2002-07-16 Interscience, Inc. Wavelength division multiplexing system and method using a reconfigurable diffraction grating
US6011885A (en) * 1997-12-13 2000-01-04 Lightchip, Inc. Integrated bi-directional gradient refractive index wavelength division multiplexer
US6404945B1 (en) 1997-12-13 2002-06-11 Lightchip, Inc. Wavelength division multiplexing/demultiplexing devices using homogeneous refractive index lenses
US6271970B1 (en) 1997-12-13 2001-08-07 Lightchip, Inc. Wavelength division multiplexing/demultiplexing devices using dual homogeneous refractive index lenses
US6243513B1 (en) 1997-12-13 2001-06-05 Lightchip, Inc. Wavelength division multiplexing/demultiplexing devices using diffractive optic lenses
US6263135B1 (en) 1997-12-13 2001-07-17 Lightchip, Inc. Wavelength division multiplexing/demultiplexing devices using high index of refraction crystalline lenses
US6289155B1 (en) 1997-12-13 2001-09-11 Lightchip, Inc. Wavelength division multiplexing/demultiplexing devices using dual high index of refraction crystalline lenses
US6298182B1 (en) 1997-12-13 2001-10-02 Light Chip, Inc. Wavelength division multiplexing/demultiplexing devices using polymer lenses
US6236780B1 (en) 1997-12-13 2001-05-22 Light Chip, Inc. Wavelength division multiplexing/demultiplexing devices using dual diffractive optic lenses
US6011884A (en) * 1997-12-13 2000-01-04 Lightchip, Inc. Integrated bi-directional axial gradient refractive index/diffraction grating wavelength division multiplexer
US5999672A (en) * 1997-12-13 1999-12-07 Light Chip, Inc. Integrated bi-directional dual axial gradient refractive index/diffraction grating wavelength division multiplexer
JPH11237514A (ja) * 1998-02-20 1999-08-31 Shin Etsu Chem Co Ltd グレーティング用光ファイバ、グレーティング用光ファイバ母材およびその光ファイバ母材の製造方法
US6574015B1 (en) 1998-05-19 2003-06-03 Seagate Technology Llc Optical depolarizer
US6275630B1 (en) 1998-11-17 2001-08-14 Bayspec, Inc. Compact double-pass wavelength multiplexer-demultiplexer
US6108471A (en) * 1998-11-17 2000-08-22 Bayspec, Inc. Compact double-pass wavelength multiplexer-demultiplexer having an increased number of channels
US6198864B1 (en) * 1998-11-24 2001-03-06 Agilent Technologies, Inc. Optical wavelength demultiplexer
US6445479B1 (en) 1998-12-18 2002-09-03 Lsi Logic Corporation Electronically controlled optically-active device array for high-speed receiving and transmitting of fiber optic signals
US6343169B1 (en) 1999-02-25 2002-01-29 Lightchip, Inc. Ultra-dense wavelength division multiplexing/demultiplexing device
US6829096B1 (en) 1999-02-25 2004-12-07 Confluent Photonics Corporation Bi-directional wavelength division multiplexing/demultiplexing devices
US6480648B1 (en) 1999-02-25 2002-11-12 Lightchip, Inc. Technique for detecting the status of WDM optical signals
US6434299B1 (en) 1999-06-01 2002-08-13 Lightchip, Inc. Wavelength division multiplexing/demultiplexing devices having concave diffraction gratings
AU6212500A (en) * 1999-07-13 2001-01-30 Georgia Tech Research Corporation Serial data to parallel data converter
JP2003515185A (ja) * 1999-11-12 2003-04-22 シーエムイー テレメトリックス インク． 波長分割多重（ｗｄｍ）及び分光用の立体及び積み重ね型ホログラフィック回折格子
US6965464B2 (en) * 2000-03-16 2005-11-15 Lightsmyth Technologies Inc Optical processor
US6987911B2 (en) * 2000-03-16 2006-01-17 Lightsmyth Technologies, Inc. Multimode planar waveguide spectral filter
US7773842B2 (en) * 2001-08-27 2010-08-10 Greiner Christoph M Amplitude and phase control in distributed optical structures
USRE42407E1 (en) 2000-03-16 2011-05-31 Steyphi Services De Llc Distributed optical structures with improved diffraction efficiency and/or improved optical coupling
US7519248B2 (en) * 2000-03-16 2009-04-14 Lightsmyth Technologies Inc Transmission gratings designed by computed interference between simulated optical signals and fabricated by reduction lithography
US7194164B2 (en) * 2000-03-16 2007-03-20 Lightsmyth Technologies Inc Distributed optical structures with improved diffraction efficiency and/or improved optical coupling
US7123794B2 (en) * 2000-03-16 2006-10-17 Lightsmyth Technologies Inc Distributed optical structures designed by computed interference between simulated optical signals
USRE42206E1 (en) 2000-03-16 2011-03-08 Steyphi Services De Llc Multiple wavelength optical source
US6879441B1 (en) * 2000-03-16 2005-04-12 Thomas Mossberg Holographic spectral filter
USRE41570E1 (en) * 2000-03-16 2010-08-24 Greiner Christoph M Distributed optical structures in a planar waveguide coupling in-plane and out-of-plane optical signals
US6415073B1 (en) 2000-04-10 2002-07-02 Lightchip, Inc. Wavelength division multiplexing/demultiplexing devices employing patterned optical components
US6563977B1 (en) 2000-06-27 2003-05-13 Bayspec, Inc. Compact wavelength multiplexer-demultiplexer providing low polarization sensitivity
US6510264B2 (en) * 2000-07-31 2003-01-21 Corning Incorporated Bulk internal bragg gratings and optical devices
WO2002010826A1 (en) * 2000-07-31 2002-02-07 Corning Incorporated Bulk internal bragg gratings and optical devices
US6731839B2 (en) 2000-07-31 2004-05-04 Corning Incorporated Bulk internal Bragg gratings and optical devices
DE10043985A1 (de) * 2000-09-05 2002-03-14 Cube Optics Ag Optischer Modifizierer und Verfahren zur Herstellung hierfür
US6858834B2 (en) * 2000-10-18 2005-02-22 Fibera, Inc. Light wavelength meter
US6795459B2 (en) 2000-10-18 2004-09-21 Fibera, Inc. Light frequency locker
US6574390B2 (en) * 2001-02-15 2003-06-03 Infineon Technologies Ag Configuration to multiplex and/or demultiplex the signals of a plurality of optical data channels and method for the production of the configuration
US6762880B2 (en) 2001-02-21 2004-07-13 Ibsen Photonics A/S Grating structures and methods of making the grating structures
US6542306B2 (en) 2001-03-16 2003-04-01 Optical Coating Laboratories, Inc. Compact multiple channel multiplexer/demultiplexer devices
US20020154354A1 (en) * 2001-04-20 2002-10-24 Kannan Raj Optically interconnecting multiple processors
CN100376909C (zh) * 2001-04-23 2008-03-26 欧姆龙株式会社 光学元件、使用该光学元件的光收发器及其他光学装置
US6636658B2 (en) 2001-04-23 2003-10-21 Optical Coating Laboratory, Inc. Wavelength division multiplexing/demultiplexing systems
DE10127542C2 (de) * 2001-05-31 2003-06-18 Infineon Technologies Ag Kopplungsanordnung zur optischen Kopplung eines Lichtleiters an einen Lichtempfänger
US6922508B2 (en) * 2001-08-17 2005-07-26 Fujitsu Limited Optical switching apparatus with adiabatic coupling to optical fiber
US6807339B1 (en) * 2001-09-14 2004-10-19 Fibera, Inc. Wavelength division multiplexing and de-multiplexing system
US6748138B2 (en) * 2001-09-14 2004-06-08 Fibera, Inc. Optical grating fabrication
US6804060B1 (en) 2001-09-28 2004-10-12 Fibera, Inc. Interference filter fabrication
US7233739B2 (en) * 2001-10-22 2007-06-19 Patel C Kumar N Optical bit stream reader system
US6650796B2 (en) 2002-02-21 2003-11-18 Northrop Grumman Corporation Waveguide optical frequency router
EP1506440A4 (de) * 2002-05-17 2005-08-10 Nanoventions Inc Planarer optischer wellenleiter
WO2004057376A2 (en) 2002-12-17 2004-07-08 Lightsmyth Technologies Incorporated Optical multiplexing device
TW589474B (en) * 2003-04-29 2004-06-01 Au Optronics Corp Display panel with the integrated driver circuit
US7260290B1 (en) 2003-12-24 2007-08-21 Lightsmyth Technologies Inc Distributed optical structures exhibiting reduced optical loss
US7181103B1 (en) 2004-02-20 2007-02-20 Lightsmyth Technologies Inc Optical interconnect structures incorporating sets of diffractive elements
US7305155B2 (en) * 2004-03-26 2007-12-04 Nippon Sheet Glass Company, Limited Optical element and wavelength separator using the same
JP2007538275A (ja) * 2004-05-21 2007-12-27 ピレリ・アンド・チ・ソチエタ・ペル・アツィオーニ 高アスペクト比を有する回折格子構造の製造方法
US20050280887A1 (en) * 2004-06-02 2005-12-22 Betin Alexander A Outcoupler with bragg grating and system and method using same
US7359597B1 (en) 2004-08-23 2008-04-15 Lightsmyth Technologies Inc Birefringence control in planar optical waveguides
US7120334B1 (en) 2004-08-25 2006-10-10 Lightsmyth Technologies Inc Optical resonator formed in a planar optical waveguide with distributed optical structures
US7330614B1 (en) 2004-12-10 2008-02-12 Lightsmyth Technologies Inc. Integrated optical spectrometer incorporating sets of diffractive elements
US7760979B2 (en) * 2005-02-17 2010-07-20 Avago Technologies General Ip (Singapore) Pte. Ltd. System and method for low loss waveguide bends
US7327908B1 (en) 2005-03-07 2008-02-05 Lightsmyth Technologies Inc. Integrated optical sensor incorporating sets of diffractive elements
US7349599B1 (en) 2005-03-14 2008-03-25 Lightsmyth Technologies Inc Etched surface gratings fabricated using computed interference between simulated optical signals and reduction lithography
US7643400B1 (en) 2005-03-24 2010-01-05 Lightsmyth Technologies Inc Optical encoding of data with distributed diffractive structures
US7190856B1 (en) 2005-03-28 2007-03-13 Lightsmyth Technologies Inc Reconfigurable optical add-drop multiplexer incorporating sets of diffractive elements
US8068709B2 (en) * 2005-09-12 2011-11-29 Lightsmyth Technologies Inc. Transmission gratings designed by computed interference between simulated optical signals and fabricated by reduction lithography
WO2007112548A1 (en) * 2006-03-31 2007-10-11 Enablence Inc. Planar lightwave filter with mixed diffraction elements
US7643709B2 (en) * 2006-05-12 2010-01-05 Interuniversitair Microelektronica Centrum (Imec) Slanted segmented coupler
JP2009205112A (ja) * 2008-02-29 2009-09-10 Sumitomo Electric Ind Ltd 光導波体および光導波体製造方法
US8633440B2 (en) 2010-07-01 2014-01-21 Newport Corporation Optical demultiplexing system
US20130287336A1 (en) * 2012-04-26 2013-10-31 Shih-Yuan Wang Optical switch
ITTO20120538A1 (it) * 2012-06-19 2013-12-20 Thales Alenia Space Italia S P A C On Unico Socio Unita' ottica e sistema metrologico ottico proiettivo includente la medesima
US9512985B2 (en) 2013-02-22 2016-12-06 Kla-Tencor Corporation Systems for providing illumination in optical metrology
US9485046B1 (en) * 2013-04-12 2016-11-01 Alliance Fiber Optic Products, Inc. Optical spot array pitch compressor
TWM507618U (zh) 2014-07-04 2015-08-21 Ezconn Corp 光電微型模組

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3814498A (en) * 1972-05-04 1974-06-04 Bell Telephone Labor Inc Integrated optical circuit devices employing optical gratings
JPS5438143A (en) * 1977-08-31 1979-03-22 Nec Corp Waveguide type photo coupling circuit
DE3019956A1 (de) * 1980-05-24 1981-12-03 Ibm Deutschland Gmbh, 7000 Stuttgart Modulares, faseroptisches kommunikationssystem
GB2105863B (en) * 1981-09-10 1985-04-03 Standard Telephones Cables Ltd Optical waveguiding devices
CA1255382A (en) * 1984-08-10 1989-06-06 Masao Kawachi Hybrid optical integrated circuit with alignment guides
US4547262A (en) * 1984-08-30 1985-10-15 Sperry Corporation Method for forming thin film passive light waveguide circuit

Also Published As

Publication number Publication date
FR2579044A1 (fr) 1986-09-19
FR2579044B1 (fr) 1988-02-26
EP0196948B1 (de) 1990-10-03
US4740951A (en) 1988-04-26
EP0196948A1 (de) 1986-10-08
JPS61212805A (ja) 1986-09-20

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