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FR2695212B1 - Dispositif a filtre optique. - Google Patents

Dispositif a filtre optique.

Info

Publication number
FR2695212B1
FR2695212B1 FR9310234A FR9310234A FR2695212B1 FR 2695212 B1 FR2695212 B1 FR 2695212B1 FR 9310234 A FR9310234 A FR 9310234A FR 9310234 A FR9310234 A FR 9310234A FR 2695212 B1 FR2695212 B1 FR 2695212B1
Authority
FR
France
Prior art keywords
optical filter
filter device
optical
filter
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
FR9310234A
Other languages
English (en)
Other versions
FR2695212A1 (fr
Inventor
Sahlen Olof Goran
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of FR2695212A1 publication Critical patent/FR2695212A1/fr
Application granted granted Critical
Publication of FR2695212B1 publication Critical patent/FR2695212B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/015—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on semiconductor elements having potential barriers, e.g. having a PN or PIN junction
    • G02F1/025—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on semiconductor elements having potential barriers, e.g. having a PN or PIN junction in an optical waveguide structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y20/00—Nanooptics, e.g. quantum optics or photonic crystals
    • 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
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/011—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  in optical waveguides, not otherwise provided for in this subclass
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
    • G02F1/31—Digital deflection, i.e. optical switching
    • G02F1/313—Digital deflection, i.e. optical switching in an optical waveguide structure
    • G02F1/3132—Digital deflection, i.e. optical switching in an optical waveguide structure of directional coupler type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
    • H01S5/1028—Coupling to elements in the cavity, e.g. coupling to waveguides adjacent the active region, e.g. forward coupled [DFC] structures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/50—Amplifier structures not provided for in groups H01S5/02 - H01S5/30
    • H01S5/5045—Amplifier structures not provided for in groups H01S5/02 - H01S5/30 the arrangement having a frequency filtering function
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/30—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 grating
    • G02F2201/307—Reflective grating, i.e. Bragg grating
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2203/00—Function characteristic
    • G02F2203/05—Function characteristic wavelength dependent
    • G02F2203/055—Function characteristic wavelength dependent wavelength filtering
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/02—Structural details or components not essential to laser action
    • H01S5/026—Monolithically integrated components, e.g. waveguides, monitoring photo-detectors, drivers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
    • H01S5/0625—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in multi-section lasers
    • H01S5/06255—Controlling the frequency of the radiation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
    • H01S5/1028—Coupling to elements in the cavity, e.g. coupling to waveguides adjacent the active region, e.g. forward coupled [DFC] structures
    • H01S5/1032—Coupling to elements comprising an optical axis that is not aligned with the optical axis of the active region
    • H01S5/1035—Forward coupled structures [DFC]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
    • H01S5/12—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers
    • H01S5/1206—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers having a non constant or multiplicity of periods
    • H01S5/1215—Multiplicity of periods

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Biophysics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Optical Integrated Circuits (AREA)
  • Semiconductor Lasers (AREA)
FR9310234A 1992-08-26 1993-08-25 Dispositif a filtre optique. Expired - Lifetime FR2695212B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9202446A SE470454B (sv) 1992-08-26 1992-08-26 Optisk filteranordning

Publications (2)

Publication Number Publication Date
FR2695212A1 FR2695212A1 (fr) 1994-03-04
FR2695212B1 true FR2695212B1 (fr) 1995-07-13

Family

ID=20387011

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9310234A Expired - Lifetime FR2695212B1 (fr) 1992-08-26 1993-08-25 Dispositif a filtre optique.

Country Status (6)

Country Link
US (1) US5416866A (fr)
JP (1) JPH06194613A (fr)
DE (1) DE4328777B4 (fr)
FR (1) FR2695212B1 (fr)
GB (1) GB2270174B (fr)
SE (1) SE470454B (fr)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1006207A3 (nl) * 1992-09-24 1994-06-07 Imec Inter Uni Micro Electr Geintegreerd afstembaar optisch filter.
US5621828A (en) * 1992-09-24 1997-04-15 Interuniversitair Micro-Elektronica Centrum Vzw Integrated tunable optical filter
GB2286057A (en) * 1994-01-21 1995-08-02 Sharp Kk Electrically controllable grating
FR2716303B1 (fr) * 1994-02-11 1996-04-05 Franck Delorme Laser à réflecteurs de Bragg distribués, accordable en longueur d'onde, à réseaux de diffraction virtuels activés sélectivement.
DE4432410B4 (de) * 1994-08-31 2007-06-21 ADC Telecommunications, Inc., Eden Prairie Optoelektronisches Multi-Wellenlängen-Bauelement
US5491762A (en) * 1994-09-09 1996-02-13 Deacon Research ATM switch with electrically-controlled waveguide-routing
US5581642A (en) * 1994-09-09 1996-12-03 Deacon Research Optical frequency channel selection filter with electronically-controlled grating structures
FR2725527B1 (fr) * 1994-10-10 1996-12-20 Talneau Anne Filtre optique pour plusieurs longueurs d'ondes guidees
GB9423105D0 (en) * 1994-11-16 1995-01-04 Northern Telecom Ltd Optical wave grating filter
US20050231804A1 (en) * 1995-03-13 2005-10-20 Thomas Mossberg Segmented complex diffraction gratings
AU711424B2 (en) * 1995-08-29 1999-10-14 Arroyo Optics, Inc. Wavelength selective grating assisted optical couplers
US5875272A (en) * 1995-10-27 1999-02-23 Arroyo Optics, Inc. Wavelength selective optical devices
US6236782B1 (en) 1995-08-29 2001-05-22 Arroyo Optics, Inc. Grating assisted coupler devices
JP2001526793A (ja) * 1995-10-27 2001-12-18 アロヨ・オプティクス・インコーポレイテッド 波長選択型光学装置
JP3654383B2 (ja) * 1995-12-07 2005-06-02 Ｋｄｄｉ株式会社 光アド／ドロップ多重素子
US6169830B1 (en) 1996-08-26 2001-01-02 Arroyo Optics, Inc. Methods of fabricating grating assisted coupler devices
US6078597A (en) * 1996-11-19 2000-06-20 At & T Corp. Method and apparatus for optical signal processing by photo-induced loss and/or gain gratings
US5926493A (en) * 1997-05-20 1999-07-20 Sdl, Inc. Optical semiconductor device with diffraction grating structure
US6011881A (en) * 1997-12-29 2000-01-04 Ifos, Intelligent Fiber Optic Systems Fiber-optic tunable filter
US6088495A (en) * 1998-04-21 2000-07-11 Technion Research & Development Foundation Ltd. Intermediate-state-assisted optical coupler
SE520951C2 (sv) * 1998-06-17 2003-09-16 Ericsson Telefon Ab L M Multivåglängdsselektiv switch för switchning och omdirigering av optiska våglängder
US6208773B1 (en) * 1999-02-18 2001-03-27 Trw Inc. Addressable, semiconductor adaptable Bragg gratings (ASABG)
JP2001215542A (ja) * 2000-02-04 2001-08-10 Kddi Corp 非線形光素子
US7058245B2 (en) * 2000-04-04 2006-06-06 Waveguide Solutions, Inc. Integrated optical circuits
GB2362720A (en) * 2000-05-25 2001-11-28 Roke Manor Research Improvements in or relating to optical switching
US6549708B2 (en) * 2000-08-21 2003-04-15 Lockheed Martin Corporation Dual-side waveguide-based wavelength demultiplexer
SE0100611L (sv) * 2001-02-22 2002-08-23 Altitun Ab Förfarande för att förlustkompensera ett avstämbart filter för en laser, jämte ett dylikt filter
SE518476C2 (sv) 2001-02-22 2002-10-15 Altitun Ab Metod för att förbättra selektiviteten i ett avstämbart vågledarfilter
WO2002093203A2 (fr) * 2001-05-17 2002-11-21 Optronx, Inc Circuits optiques/electroniques integres et procedes associes permettant leur generation simultanee
US6580740B2 (en) * 2001-07-18 2003-06-17 The Furukawa Electric Co., Ltd. Semiconductor laser device having selective absorption qualities
US7092419B2 (en) * 2001-09-10 2006-08-15 San Jose Systems, Inc. Wavelength agile laser
US7653093B2 (en) * 2001-09-10 2010-01-26 Imec Widely tunable twin guide laser structure
US6829285B2 (en) * 2001-09-28 2004-12-07 The Furukawa Electric Co., Ltd. Semiconductor laser device and method for effectively reducing facet reflectivity
US7189497B2 (en) * 2002-07-24 2007-03-13 Intel Corporation Method for writing a planar waveguide having gratings of different center wavelengths
WO2006051981A1 (fr) * 2004-11-15 2006-05-18 Hitachi Chemical Company, Ltd. Reflecteur de lumiere, photocoupleur/filtre de derivation et systeme optique
JP4603581B2 (ja) * 2005-07-25 2010-12-22 富士通株式会社 半導体チップモジュール
EP2403079B1 (fr) * 2010-06-30 2014-01-15 Alcatel Lucent Amplificateur optique semi-conducteur réfléchissant pour réseaux optiques
EP2437087A1 (fr) * 2010-09-29 2012-04-04 Alcatel Lucent Filtre optique réglable, dispositif optique intégrant ledit filtre et procédé pour filtrer un signal optique
US11378864B2 (en) 2016-11-18 2022-07-05 Magic Leap, Inc. Waveguide light multiplexer using crossed gratings
CN109564362B (zh) * 2016-11-23 2023-12-12 洛克利光子有限公司 光电装置
CN115586652A (zh) 2017-01-23 2023-01-10 奇跃公司 用于虚拟、增强或混合现实系统的目镜
KR102716968B1 (ko) 2017-12-15 2024-10-11 매직 립, 인코포레이티드 증강 현실 디스플레이 시스템을 위한 접안렌즈들
JP2022509083A (ja) 2018-11-20 2022-01-20 マジック リープ， インコーポレイテッド 拡張現実ディスプレイシステムのための接眼レンズ
US11650423B2 (en) 2019-06-20 2023-05-16 Magic Leap, Inc. Eyepieces for augmented reality display system
US20220171105A1 (en) * 2020-09-11 2022-06-02 Board Of Regents, The University Of Texas System Resonant filters having simultaneously tuned central wavelengths and sidebands

Family Cites Families (31)

* 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
DE2442723A1 (de) * 1974-09-06 1976-03-18 Siemens Ag Steuerbarer elektrooptischer gitterkoppler
US4775980A (en) * 1983-12-14 1988-10-04 Hitachi, Ltd. Distributed-feedback semiconductor laser device
JPS60260024A (ja) * 1984-06-07 1985-12-23 Kokusai Denshin Denwa Co Ltd <Kdd> 光変調素子
US4794346A (en) * 1984-11-21 1988-12-27 Bell Communications Research, Inc. Broadband semiconductor optical amplifier structure
GB8502013D0 (en) * 1985-01-26 1985-02-27 Plessey Co Plc Integrated optical device
US4750801A (en) * 1985-09-30 1988-06-14 American Telephone And Telegraph Company, At&T Bell Laboratories Optical waveguide resonator filters
US4730327A (en) * 1985-12-16 1988-03-08 Lytel Incorporated Dual channel fabry-perot laser
JPS62241387A (ja) * 1986-04-11 1987-10-22 Nippon Telegr & Teleph Corp <Ntt> 半導体光周波数フイルタ
JP2659187B2 (ja) * 1987-04-14 1997-09-30 日本電気株式会社 光フィルタ素子
JP2749038B2 (ja) * 1987-07-31 1998-05-13 株式会社日立製作所 波長可変半導体レーザ
GB2209408B (en) * 1987-09-04 1991-08-21 Plessey Co Plc Optical waveguide device having surface relief diffraction grating
JP2825508B2 (ja) * 1987-10-09 1998-11-18 株式会社日立製作所 半導体レーザ装置および光通信システム
JP2659199B2 (ja) * 1987-11-11 1997-09-30 日本電気株式会社 可変波長フィルタ
JPH01186918A (ja) * 1988-01-20 1989-07-26 Nec Corp 光分波器
DE69011921T2 (de) * 1989-04-04 1995-03-02 Canon Kk Halbleiterlaser mit veränderbarer Emissionswellenlänge und selektives Wellenlängenfitter und Verfahren zum Betrieb derselben.
DE3915625A1 (de) * 1989-05-12 1990-11-15 Standard Elektrik Lorenz Ag Halbleiterlaser
JPH0357288A (ja) * 1989-07-17 1991-03-12 Siemens Ag 半導体レーザーを有するデバイスおよびその使用方法
US5022730A (en) * 1989-12-12 1991-06-11 At&T Bell Laboratories Wavelength tunable optical filter
US5016967A (en) * 1989-12-26 1991-05-21 United Technologies Corporation Multi-core optical waveguide Bragg grating light redirecting arrangement
US5007705A (en) * 1989-12-26 1991-04-16 United Technologies Corporation Variable optical fiber Bragg filter arrangement
US5011264A (en) * 1989-12-28 1991-04-30 General Dynamics Corp., Electronics Divn. Wide linear dynamic range optical modulator
JP2914741B2 (ja) * 1990-10-03 1999-07-05 株式会社東芝 分布帰還型半導体レーザ
US5233187A (en) * 1991-01-22 1993-08-03 Canon Kabushiki Kaisha Multi-wavelength light detecting and/or emitting apparatuses having serially arranged grating directional couplers
EP0496348B1 (fr) * 1991-01-22 1997-07-02 Canon Kabushiki Kaisha Dispositif détecteurs de lumière pour plusieurs longueurs d'ondes avec des coupleurs directionels à réseaux arrangés en série
US5367588A (en) * 1992-10-29 1994-11-22 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Communications Method of fabricating Bragg gratings using a silica glass phase grating mask and mask used by same
JPH05205486A (ja) * 1991-04-26 1993-08-13 Naohiro Tanno 光導波路記録媒体及び光再生装置
US5363226A (en) * 1992-04-06 1994-11-08 Eastman Kodak Company Apparatus and method for dispersion compensation for a grating coupler using a surface relief reflection grating
CA2101411C (fr) * 1992-08-14 2003-06-10 Jean-Pierre Weber Fibre optique accordable
US5339157A (en) * 1993-02-19 1994-08-16 At&T Bell Laboratories Rapidly tunable integrated optical filter
US5351324A (en) * 1993-09-10 1994-09-27 The Regents Of The University Of California, Office Of Technology Transfer Fiber optic security seal including plural Bragg gratings

Also Published As

Publication number Publication date
DE4328777B4 (de) 2007-11-22
SE470454B (sv) 1994-04-11
JPH06194613A (ja) 1994-07-15
DE4328777A1 (de) 1994-03-17
GB2270174B (en) 1996-03-27
SE9202446D0 (sv) 1992-08-26
US5416866A (en) 1995-05-16
GB9317245D0 (en) 1993-10-06
SE9202446L (sv) 1994-02-27
GB2270174A (en) 1994-03-02
FR2695212A1 (fr) 1994-03-04

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