FR2756638B1 - Filtre optique de longueur d'onde et demultiplexeur - Google Patents
Filtre optique de longueur d'onde et demultiplexeurInfo
- Publication number
- FR2756638B1 FR2756638B1 FR9714943A FR9714943A FR2756638B1 FR 2756638 B1 FR2756638 B1 FR 2756638B1 FR 9714943 A FR9714943 A FR 9714943A FR 9714943 A FR9714943 A FR 9714943A FR 2756638 B1 FR2756638 B1 FR 2756638B1
- Authority
- FR
- France
- Prior art keywords
- demultiplexer
- optical filter
- wavelength optical
- wavelength
- 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 - Fee Related
Links
- 230000003287 optical effect Effects 0.000 title 1
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
- G02B6/29304—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
- G02B6/29317—Light guides of the optical fibre type
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/03—WDM arrangements
- H04J14/0307—Multiplexers; Demultiplexers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0201—Add-and-drop multiplexing
- H04J14/0202—Arrangements therefor
- H04J14/0204—Broadcast and select arrangements, e.g. with an optical splitter at the input before adding or dropping
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0201—Add-and-drop multiplexing
- H04J14/0202—Arrangements therefor
- H04J14/0206—Express channels arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0201—Add-and-drop multiplexing
- H04J14/0202—Arrangements therefor
- H04J14/0209—Multi-stage arrangements, e.g. by cascading multiplexers or demultiplexers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0201—Add-and-drop multiplexing
- H04J14/0202—Arrangements therefor
- H04J14/0213—Groups of channels or wave bands arrangements
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Communication System (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Optical Filters (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960059175A KR0183945B1 (ko) | 1996-11-28 | 1996-11-28 | 광 디멀티플렉서 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2756638A1 FR2756638A1 (fr) | 1998-06-05 |
FR2756638B1 true FR2756638B1 (fr) | 2002-07-26 |
Family
ID=19484386
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9714943A Expired - Fee Related FR2756638B1 (fr) | 1996-11-28 | 1997-11-27 | Filtre optique de longueur d'onde et demultiplexeur |
Country Status (8)
Country | Link |
---|---|
US (1) | US6516112B1 (fr) |
JP (1) | JPH10213710A (fr) |
KR (1) | KR0183945B1 (fr) |
CN (1) | CN1193125A (fr) |
DE (1) | DE19752944A1 (fr) |
FR (1) | FR2756638B1 (fr) |
GB (1) | GB2319919A (fr) |
RU (1) | RU2186413C2 (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19980068452A (ko) * | 1997-02-19 | 1998-10-15 | 김광호 | Wdm전송 시스템의 디멀티플렉서 |
FI990238A (fi) | 1999-02-08 | 2000-08-09 | Nokia Networks Oy | OptinenADd/drop-laite |
US7120333B2 (en) * | 2001-10-25 | 2006-10-10 | Lambda Crossing, Ltd. | Polarization insensitive tunable optical filters |
KR100478508B1 (ko) * | 2002-08-29 | 2005-03-28 | 한국전자통신연구원 | 광신호 삽입/추출장치 |
DE10335419A1 (de) * | 2003-08-02 | 2005-02-17 | Marconi Communications Gmbh | Wellenlängenselektive optische Signalverarbeitungsvorrichtung |
US20100329680A1 (en) * | 2007-10-29 | 2010-12-30 | Marco Presi | Optical networks |
CN103460628A (zh) * | 2011-03-25 | 2013-12-18 | 日本电气株式会社 | 光传输装置 |
CN102636198B (zh) * | 2012-05-11 | 2014-07-23 | 厦门大学 | 基于光纤环微波光子滤波器的传感解调装置和方法 |
ES2530888B2 (es) * | 2013-09-06 | 2015-10-08 | Universidad Politécnica de Madrid | Multiplexor óptico pasivo |
US11233596B2 (en) * | 2018-07-12 | 2022-01-25 | Ayar Labs, Inc. | Optical multiplexer/demultiplexer module and associated methods |
US10852472B1 (en) | 2019-06-18 | 2020-12-01 | Cisco Technology, Inc. | Multiple stage Bragg gratings in multiplexing applications |
US11002980B1 (en) * | 2020-03-10 | 2021-05-11 | Cisco Technology, Inc. | Cascaded arrangement of two-mode Bragg gratings in multiplexing applications |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4923271A (en) | 1989-03-28 | 1990-05-08 | American Telephone And Telegraph Company | Optical multiplexer/demultiplexer using focusing Bragg reflectors |
US5365344A (en) | 1991-06-27 | 1994-11-15 | Nec Corporation | System for transmitting data using wavelength division multiplexing |
DE69311048T2 (de) | 1992-09-29 | 1997-12-11 | Nippon Telegraph & Telephone | Multi/Demultiplexer mit Gitter aus gruppierten Wellenleitern und zurückgefürten optischen Wegen |
EP0607029B1 (fr) | 1993-01-14 | 2000-12-20 | Nippon Telegraph And Telephone Corporation | Système optique bidirectionel utilisant le multiplexage des ondes |
US5579143A (en) * | 1993-06-04 | 1996-11-26 | Ciena Corporation | Optical system with tunable in-fiber gratings |
IT1265017B1 (it) * | 1993-08-10 | 1996-10-17 | Cselt Centro Studi Lab Telecom | Commutatore ottico selettivo in lunghezza d'onda. |
US5487120A (en) | 1994-02-09 | 1996-01-23 | International Business Machines Corporation | Optical wavelength division multiplexer for high speed, protocol-independent serial data sources |
US5457760A (en) | 1994-05-06 | 1995-10-10 | At&T Ipm Corp. | Wavelength division optical multiplexing elements |
US5488500A (en) | 1994-08-31 | 1996-01-30 | At&T Corp. | Tunable add drop optical filtering method and apparatus |
US5446809A (en) | 1994-09-23 | 1995-08-29 | United Technologies Corporation | All fiber wavelength selective optical switch |
US5657406A (en) * | 1994-09-23 | 1997-08-12 | United Technologies Corporation | Efficient optical wavelength multiplexer/de-multiplexer |
GB9423105D0 (en) * | 1994-11-16 | 1995-01-04 | Northern Telecom Ltd | Optical wave grating filter |
EP0799432A4 (fr) | 1994-12-21 | 1999-03-24 | E Tek Dynamics Inc | Coupleur optique integrable et dispositifs et systemes obtenus |
FR2731082B1 (fr) * | 1995-02-28 | 1997-04-04 | France Telecom | Multiplexeur optique a insertion-extraction utilisant des circulateurs optiques et des reseaux de bragg photoinscrits |
US5627925A (en) | 1995-04-07 | 1997-05-06 | Lucent Technologies Inc. | Non-blocking optical cross-connect structure for telecommunications network |
FR2736480B1 (fr) * | 1995-07-05 | 1997-09-19 | France Telecom | Disposif de coloration de signaux optiques |
US6281998B1 (en) * | 1995-08-04 | 2001-08-28 | Alcatel | Signal routing for fiber optic networks |
JP3865407B2 (ja) * | 1995-08-04 | 2007-01-10 | アルカテル | 挿入/抽出マルチプレクサ |
JPH09116490A (ja) | 1995-10-16 | 1997-05-02 | Fujitsu Ltd | 光多重システム用分岐装置 |
US5748814A (en) * | 1995-11-16 | 1998-05-05 | Institut National D'optique | Method for spatially controlling the period and amplitude of Bragg filters |
US5615289A (en) | 1995-12-07 | 1997-03-25 | Jds Fitel Inc. | Bandpass optical filter |
US5608825A (en) | 1996-02-01 | 1997-03-04 | Jds Fitel Inc. | Multi-wavelength filtering device using optical fiber Bragg grating |
JP3329655B2 (ja) * | 1996-03-04 | 2002-09-30 | ケイディーディーアイ株式会社 | 光adm装置 |
US5748349A (en) * | 1996-03-27 | 1998-05-05 | Ciena Corp. | Gratings-based optical add-drop multiplexers for WDM optical communication system |
US5742416A (en) * | 1996-03-28 | 1998-04-21 | Ciena Corp. | Bidirectional WDM optical communication systems with bidirectional optical amplifiers |
JPH09275378A (ja) * | 1996-04-05 | 1997-10-21 | Kokusai Denshin Denwa Co Ltd <Kdd> | 高速偏波スクランブラを使用した光アド/ドロップ多重装置および光アド/ドロップ多重方法 |
US5748350A (en) * | 1996-06-19 | 1998-05-05 | E-Tek Dynamics, Inc. | Dense wavelength division multiplexer and demultiplexer devices |
JPH1032562A (ja) * | 1996-07-16 | 1998-02-03 | Fujitsu Ltd | 光アッド/ドロップ回路 |
-
1996
- 1996-11-28 KR KR1019960059175A patent/KR0183945B1/ko not_active IP Right Cessation
-
1997
- 1997-11-24 GB GB9724821A patent/GB2319919A/en not_active Withdrawn
- 1997-11-27 FR FR9714943A patent/FR2756638B1/fr not_active Expired - Fee Related
- 1997-11-27 RU RU97119738/09A patent/RU2186413C2/ru not_active IP Right Cessation
- 1997-11-28 DE DE19752944A patent/DE19752944A1/de not_active Ceased
- 1997-11-28 US US08/980,308 patent/US6516112B1/en not_active Expired - Fee Related
- 1997-11-28 JP JP9328518A patent/JPH10213710A/ja active Pending
- 1997-11-28 CN CN97126433A patent/CN1193125A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
RU2186413C2 (ru) | 2002-07-27 |
GB9724821D0 (en) | 1998-01-21 |
KR0183945B1 (ko) | 1999-05-15 |
US6516112B1 (en) | 2003-02-04 |
DE19752944A1 (de) | 1998-06-18 |
FR2756638A1 (fr) | 1998-06-05 |
GB2319919A (en) | 1998-06-03 |
CN1193125A (zh) | 1998-09-16 |
KR19980040051A (ko) | 1998-08-17 |
JPH10213710A (ja) | 1998-08-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20070731 |