TW357504B - Method and apparatus for combining add/drop optical signal lines from a plurality of branching units - Google Patents

Method and apparatus for combining add/drop optical signal lines from a plurality of branching units

Info

Publication number
TW357504B
TW357504B TW086114865A TW86114865A TW357504B TW 357504 B TW357504 B TW 357504B TW 086114865 A TW086114865 A TW 086114865A TW 86114865 A TW86114865 A TW 86114865A TW 357504 B TW357504 B TW 357504B
Authority
TW
Taiwan
Prior art keywords
branching
branching units
optical signal
signal lines
add
Prior art date
Application number
TW086114865A
Other languages
English (en)
Inventor
Bo Pedersen
Original Assignee
Tyco Submarine Systems 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 Tyco Submarine Systems Ltd filed Critical Tyco Submarine Systems Ltd
Application granted granted Critical
Publication of TW357504B publication Critical patent/TW357504B/zh

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
    • G02B6/26—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
    • G02B6/29319—With a cascade of diffractive elements or of diffraction operations
    • G02B6/2932—With a cascade of diffractive elements or of diffraction operations comprising a directional router, e.g. directional coupler, circulator
    • 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
    • G02B6/29382—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 including at least adding or dropping a signal, i.e. passing the majority of signals
    • G02B6/29383—Adding and 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
    • 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
    • H04J14/0213—Groups of channels or wave bands 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
    • H04J14/0215—Architecture aspects
    • H04J14/0217—Multi-degree architectures, e.g. having a connection degree greater than two
    • 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
    • H04J14/0215—Architecture aspects
    • H04J14/0219—Modular or upgradable architectures

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)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
TW086114865A 1996-10-10 1997-12-16 Method and apparatus for combining add/drop optical signal lines from a plurality of branching units TW357504B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72859196A 1996-10-10 1996-10-10

Publications (1)

Publication Number Publication Date
TW357504B true TW357504B (en) 1999-05-01

Family

ID=24927478

Family Applications (1)

Application Number Title Priority Date Filing Date
TW086114865A TW357504B (en) 1996-10-10 1997-12-16 Method and apparatus for combining add/drop optical signal lines from a plurality of branching units

Country Status (6)

Country Link
EP (1) EP1012646A1 (zh)
JP (1) JP4105233B2 (zh)
AU (1) AU4799897A (zh)
CA (1) CA2267779A1 (zh)
TW (1) TW357504B (zh)
WO (1) WO1998015861A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6647209B1 (en) 1998-02-13 2003-11-11 Apa Optics, Inc. Multiplexer and demultiplexer for single mode optical fiber communication links
GB2352105B (en) * 1999-07-15 2001-09-26 Marconi Comm Ltd Optical system

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5311501A (en) * 1991-03-15 1994-05-10 Fujitsu Limited Routing system for linear add-drop multiplexer
US5579143A (en) * 1993-06-04 1996-11-26 Ciena Corporation Optical system with tunable in-fiber gratings
IT1265018B1 (it) * 1993-08-10 1996-10-17 Cselt Centro Studi Lab Telecom Dispositivo per l'estrazione e il reinserimento di una portante ottica in reti di comunicazione ottica.
US5459801A (en) * 1993-10-29 1995-10-17 Rutgers University Coupler used to fabricate add-drop devices, dispersion compensators, amplifiers, oscillators, superluminescent devices, and communications systems
SE9403446L (sv) * 1994-10-11 1995-11-27 Ericsson Telefon Ab L M Optisk NxN-våglängdskorskopplare
US5566014A (en) * 1994-12-28 1996-10-15 At&T Corp. Tunable add/drop optical filter providing arbitrary channel arrangements
SE9500406L (sv) * 1995-02-06 1996-07-01 Ericsson Telefon Ab L M Anordning och förfarande för att koppla en eller flera våglängdskanaler till och från en optisk fiber
JP3865407B2 (ja) * 1995-08-04 2007-01-10 アルカテル 挿入／抽出マルチプレクサ
JPH09270770A (ja) * 1996-04-02 1997-10-14 Kokusai Denshin Denwa Co Ltd <Kdd> 光アドドロップ装置
JPH1032562A (ja) * 1996-07-16 1998-02-03 Fujitsu Ltd 光アッド／ドロップ回路
AU3984797A (en) * 1996-08-29 1998-03-19 Corning Incorporated Switchable wavelength add/drop component
JP3333093B2 (ja) * 1996-08-30 2002-10-07 ケイディーディーアイ株式会社 波長交換装置

Also Published As

Publication number Publication date
EP1012646A1 (en) 2000-06-28
JP2001505728A (ja) 2001-04-24
AU4799897A (en) 1998-05-05
JP4105233B2 (ja) 2008-06-25
WO1998015861A1 (en) 1998-04-16
CA2267779A1 (en) 1998-04-16

Similar Documents

Publication Publication Date Title
EP0863625A3 (en) Optical transmission system, optically branching apparatus and optical signal processing apparatus
EP0869694A3 (en) Wavelength division multiplexing communications network supervisory system
GB2257320B (en) An optical communication system
MX9602453A (es) Dispositivo para reducir el ruido optico debido al mezclado de cuatro ondas.
DE69529357D1 (de) Mehrkanaliges faseroptisches Kommunikationssystem
GB2329291B (en) Optical fibre subscriber network
FI953545A (fi) Vahvistava ja lähtötehon muutoksia rajoittava tietoliikennejärjestelmä aallonpituusmultipleksoituja lähetyksiä varten
HUP9600175A3 (en) Bidirectional optical amplifier, and method for implementing bidirectional telecommunication signal transmission
EP0684713A3 (en) Optical network comprising node groups and an analog repeater node unit between two node groups
NO962924D0 (no) Fremgangsmåte og system for höyhastighetskommunikasjon av video, tale og feilfrie data via ledningsföring i veggen
ES8705726A1 (es) Un sistema de comunicacion optica
DK0850514T3 (da) System, fremgangsmåde og anordning til overvågning af et fiberoptisk kabel
HUT74329A (en) Optical fibre telecommunication system, optical fibre and method for transmitting optical signals
DE69323379D1 (de) Faseroptisches Kommunikationsendgerät, faseroptisches Übertragungssystem und Verfahren zur Einstellung der Wellenlänge
TW357504B (en) Method and apparatus for combining add/drop optical signal lines from a plurality of branching units
WO1998058465A3 (en) A multifiber cabling system
SE9202112L (sv) Förfarande och anordning för övervakning av förgrenade optiska ledningsnät
CA2044919A1 (en) Light communication system
EP0818895A3 (en) Optically amplifying transmission system
TW335576B (en) Method for asymmetrically attenuating signals in a transmission system
SG81341A1 (en) Optical fiber connecting device, electronic equipment, network system and optical fiber connecting method
DE69723168D1 (de) Verzweigungseinheit für lichtwellenleiter-übertragungssystem
SE9602005D0 (sv) Kanal i data- och telekommunikationssystem
ITTO971063A0 (it) Sistema di verifica di funzionamento per reti di comunicazione in fibr a ottica.
DE59812779D1 (de) Verfahren zum leitungslosen Übermitteln von Datenströmen in Breitbandnetzen