FI972023A - Optinen add/drop-laite - Google Patents

Optinen add/drop-laite Download PDF

Info

Publication number
FI972023A
FI972023A FI972023A FI972023A FI972023A FI 972023 A FI972023 A FI 972023A FI 972023 A FI972023 A FI 972023A FI 972023 A FI972023 A FI 972023A FI 972023 A FI972023 A FI 972023A
Authority
FI
Finland
Prior art keywords
optical add
drop device
drop
add
optical
Prior art date
Application number
FI972023A
Other languages
English (en)
Swedish (sv)
Other versions
FI972023A0 (fi
FI112569B (fi
Inventor
Jouko Kurki
Original Assignee
Nokia Telecommunications Oy
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 Nokia Telecommunications Oy filed Critical Nokia Telecommunications Oy
Priority to FI972023A priority Critical patent/FI112569B/fi
Publication of FI972023A0 publication Critical patent/FI972023A0/fi
Priority to EP98921517A priority patent/EP0981870B1/en
Priority to DE69820609T priority patent/DE69820609T2/de
Priority to PCT/FI1998/000407 priority patent/WO1998052306A2/fi
Priority to AU74343/98A priority patent/AU7434398A/en
Publication of FI972023A publication Critical patent/FI972023A/fi
Priority to US09/435,747 priority patent/US6323975B1/en
Application granted granted Critical
Publication of FI112569B publication Critical patent/FI112569B/fi

Links

Classifications

    • 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
    • H04J14/021—Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM]
    • 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

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
FI972023A 1997-05-13 1997-05-13 Optinen add/drop-laite FI112569B (fi)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI972023A FI112569B (fi) 1997-05-13 1997-05-13 Optinen add/drop-laite
EP98921517A EP0981870B1 (en) 1997-05-13 1998-05-13 Optical add/drop device
DE69820609T DE69820609T2 (de) 1997-05-13 1998-05-13 Optische einfugungs/ausblendungsvorrichtung
PCT/FI1998/000407 WO1998052306A2 (fi) 1997-05-13 1998-05-13 Optical add/drop device
AU74343/98A AU7434398A (en) 1997-05-13 1998-05-13 Optical add/drop device
US09/435,747 US6323975B1 (en) 1997-05-13 1999-11-08 Optical add/drop device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI972023A FI112569B (fi) 1997-05-13 1997-05-13 Optinen add/drop-laite
FI972023 1997-05-13

Publications (3)

Publication Number Publication Date
FI972023A0 FI972023A0 (fi) 1997-05-13
FI972023A true FI972023A (fi) 1998-11-14
FI112569B FI112569B (fi) 2003-12-15

Family

ID=8548839

Family Applications (1)

Application Number Title Priority Date Filing Date
FI972023A FI112569B (fi) 1997-05-13 1997-05-13 Optinen add/drop-laite

Country Status (6)

Country Link
US (1) US6323975B1 (fi)
EP (1) EP0981870B1 (fi)
AU (1) AU7434398A (fi)
DE (1) DE69820609T2 (fi)
FI (1) FI112569B (fi)
WO (1) WO1998052306A2 (fi)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100231697B1 (ko) * 1997-09-04 2000-01-15 정선종 단일링에 기반한 댁내망 장치
US6243175B1 (en) * 1998-08-06 2001-06-05 Ciena Corporation WDM optical communication system having reduced loss and cross-talk
FR2782588B1 (fr) * 1998-08-24 2002-12-20 Alsthom Cge Alkatel Dispositif d'insertion/extraction de signaux optiques multiplexes en longueur d'onde
CA2289320A1 (en) * 1998-12-10 2000-06-10 Nortel Networks Corporation Integrating optical adm filters
WO2001015484A1 (en) * 1999-08-23 2001-03-01 Optical Coating Laboratory, Inc. Hybrid optical add/drop multiplexing devices
GB2360890A (en) * 2000-03-02 2001-10-03 Ilotron Ltd Reconfigurable optical add/drop multiplexer
JP2001285323A (ja) * 2000-04-03 2001-10-12 Hitachi Ltd 光ネットワーク
JP4114308B2 (ja) * 2000-08-03 2008-07-09 沖電気工業株式会社 データ信号転送方法
EP1185018A1 (en) * 2000-08-30 2002-03-06 Telefonaktiebolaget Lm Ericsson Optical communication system
US6519384B2 (en) 2000-08-30 2003-02-11 Telefonaktiebolaget Lm Ericsson (Publ) Optical communication network
US7110673B2 (en) 2000-08-30 2006-09-19 Telefonaktiebolaget Lm Ericsson (Publ) Optical communication system
EP1185017A1 (en) * 2000-08-30 2002-03-06 Telefonaktiebolaget Lm Ericsson An optical communication network
DE10046585B4 (de) * 2000-09-20 2007-10-25 Siemens Ag Modular erweiterbares optisches ADD-DROP-Modul
US6567579B2 (en) * 2000-12-15 2003-05-20 Alcatel Multi-channel, multi-mode redundant optical local loop having a bus topology
US6731830B2 (en) 2001-01-05 2004-05-04 Redfern Broadband Networks, Inc. Asymmetric compatible network element
EP1356613B1 (en) * 2001-01-31 2005-10-05 Telefonaktiebolaget LM Ericsson (publ) A method and system for transmission in an optical network
US6847787B2 (en) * 2001-09-07 2005-01-25 Redfern Broadband Networks Inc. WDM network node module
US7260655B1 (en) * 2001-12-03 2007-08-21 Cheetah Omni, Llc Optical routing using star switching fabric with reduced effective switching time
US7054562B1 (en) 2002-02-01 2006-05-30 Ciena Corporation Method and system for suppressing ASE on a WDM network
WO2004012679A2 (en) * 2002-08-06 2004-02-12 Blue Flame Data, Inc. System to quantify consumer preferences
JP3880994B2 (ja) * 2003-03-04 2007-02-14 富士通株式会社 コンテンツ情報の配信方法並びに配信システムおよびそのセンタ局
WO2004093352A1 (ja) * 2003-04-15 2004-10-28 Fujitsu Limited 光伝送装置
GB2425420B (en) * 2003-04-15 2007-02-14 Fujitsu Ltd Optical transmission device
JP4425105B2 (ja) * 2004-09-30 2010-03-03 富士通株式会社 光ネットワークおよび光分岐挿入装置
JP6015365B2 (ja) * 2012-11-06 2016-10-26 富士通株式会社 伝送装置及び伝送方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5500756A (en) * 1992-02-28 1996-03-19 Hitachi, Ltd. Optical fiber transmission system and supervision method of the same
US5663989A (en) 1993-10-28 1997-09-02 Plessey Semiconductors Limited Control arrangements for digital radio receivers
DE4337089C2 (de) * 1993-10-29 2003-09-25 Siemens Ag Optisches, transparentes Ringnetz mit wahlweiser Durchschaltung oder Aus- und Einkopplung von Signalen in den Ringknoten
EP0668674B1 (en) * 1994-02-17 2003-05-21 Kabushiki Kaisha Toshiba Optical wavelength division multiplexed network system
US5657406A (en) * 1994-09-23 1997-08-12 United Technologies Corporation Efficient optical wavelength multiplexer/de-multiplexer
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
FR2734437B1 (fr) * 1995-05-17 1997-06-13 Sutter Alain Reseau en anneau de transmission d'informations multiplexees en longueur d'onde
SE506748C2 (sv) * 1995-06-26 1998-02-09 Ericsson Telefon Ab L M Förfarande och anordning för att borttaga och addera kanaler i en optisk multiplexor
US5805751A (en) * 1995-08-29 1998-09-08 Arroyo Optics, Inc. Wavelength selective optical couplers
FR2746409B1 (fr) 1996-03-19 1998-04-17 Inst Francais Du Petrole Procede de sulfuration de corps gras insatures par le soufre elementaire en presence de composes amines
US5914794A (en) * 1996-12-31 1999-06-22 Mci Communications Corporation Method of and apparatus for detecting and reporting faults in an all-optical communications system
US5915051A (en) * 1997-01-21 1999-06-22 Massascusetts Institute Of Technology Wavelength-selective optical add/drop switch
US5889899A (en) * 1997-10-15 1999-03-30 Lucent Technologies Inc. Article comprising a Bragg reflective Mach-Zehnder filter of reduced coupled dependence

Also Published As

Publication number Publication date
AU7434398A (en) 1998-12-08
WO1998052306A2 (fi) 1998-11-19
DE69820609T2 (de) 2004-09-30
FI972023A0 (fi) 1997-05-13
EP0981870A2 (en) 2000-03-01
US6323975B1 (en) 2001-11-27
WO1998052306A3 (fi) 1999-02-04
EP0981870B1 (en) 2003-12-17
FI112569B (fi) 2003-12-15
DE69820609D1 (de) 2004-01-29

Similar Documents

Publication Publication Date Title
FI972023A (fi) Optinen add/drop-laite
DE69824173D1 (de) Optisches bauelement
DE69839419D1 (de) Optisches Element
DE69826082D1 (de) Immunochromatographie-unterstützer Behelf
DE69835046D1 (de) Video-Überwachungsvorrichtung
DE69821980D1 (de) Optischer korrelator
DE19882819T1 (de) Optische Empfangsvorrichtung
DE69838408D1 (de) Kameragerät
DE69804752T2 (de) Optisches Plattengerät
TR199801550A3 (tr) Es-zamanlama aygiti
DE69820886D1 (de) Entdrahtungsvorrichtung
DE59808159D1 (de) Laservorrichtung
ID25903A (id) Lensa oftalmik holografik
DE19882818T1 (de) Optische Empfangsvorrichtung
DE69811255T2 (de) Befestigungsvorrichtung
DE69835079D1 (de) Lichtvorrichtungsaufbau
DE69730872D1 (de) Laservorrichtung
DE69731781D1 (de) Optisches Gerät
NO993490D0 (no) Spastisitetsmotvirkende anordning
DE29703983U1 (de) Verbindungsvorrichtung
DE69824146D1 (de) Optisch anisotrope vorrichtung
DE69833561D1 (de) Befestigungsvorrichtung
DE29707144U1 (de) Optisches binoculares Gerät
DE69803593T2 (de) Gerät
DE29718103U1 (de) Hub-Kipp-Vorrichtung