SE519255C2 - ADD/Drop-nod för WDM med låg förlust - Google Patents

ADD/Drop-nod för WDM med låg förlust

Info

Publication number
SE519255C2
SE519255C2 SE9701668A SE9701668A SE519255C2 SE 519255 C2 SE519255 C2 SE 519255C2 SE 9701668 A SE9701668 A SE 9701668A SE 9701668 A SE9701668 A SE 9701668A SE 519255 C2 SE519255 C2 SE 519255C2
Authority
SE
Sweden
Prior art keywords
node
pair
wdm
coupler
channels
Prior art date
Application number
SE9701668A
Other languages
English (en)
Swedish (sv)
Other versions
SE9701668L (sv
SE9701668D0 (sv
Inventor
Magnus Sundelin
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9701668A priority Critical patent/SE519255C2/sv
Publication of SE9701668D0 publication Critical patent/SE9701668D0/xx
Priority to AU73562/98A priority patent/AU7356298A/en
Priority to PCT/SE1998/000801 priority patent/WO1998049794A2/en
Priority to EP98920810A priority patent/EP0979564A2/de
Publication of SE9701668L publication Critical patent/SE9701668L/
Publication of SE519255C2 publication Critical patent/SE519255C2/sv

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
    • H04J14/0204—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
    • H04J14/0205—Select and combine arrangements, e.g. with an optical combiner at the output after 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
    • H04J14/0213—Groups of channels or wave bands arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
SE9701668A 1997-04-30 1997-04-30 ADD/Drop-nod för WDM med låg förlust SE519255C2 (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE9701668A SE519255C2 (sv) 1997-04-30 1997-04-30 ADD/Drop-nod för WDM med låg förlust
AU73562/98A AU7356298A (en) 1997-04-30 1998-04-30 Low loss, optical add/drop wdm node
PCT/SE1998/000801 WO1998049794A2 (en) 1997-04-30 1998-04-30 Low loss, optical add/drop wdm node
EP98920810A EP0979564A2 (de) 1997-04-30 1998-04-30 Optischer einfüge-/ausfüge-knoten mit niedrigen verlusten

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9701668A SE519255C2 (sv) 1997-04-30 1997-04-30 ADD/Drop-nod för WDM med låg förlust

Publications (3)

Publication Number Publication Date
SE9701668D0 SE9701668D0 (sv) 1997-04-30
SE9701668L SE9701668L (sv) 1998-10-31
SE519255C2 true SE519255C2 (sv) 2003-02-04

Family

ID=20406822

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9701668A SE519255C2 (sv) 1997-04-30 1997-04-30 ADD/Drop-nod för WDM med låg förlust

Country Status (4)

Country Link
EP (1) EP0979564A2 (de)
AU (1) AU7356298A (de)
SE (1) SE519255C2 (de)
WO (1) WO1998049794A2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE520943C2 (sv) * 1998-06-10 2003-09-16 Ericsson Telefon Ab L M Add/dropp-nod anordnad att anslutas i ett optiskt fibernät av wdm-typ
SE520876C2 (sv) * 1998-06-10 2003-09-09 Ericsson Telefon Ab L M ADD/Drpo-nod för ett optiskt WDM-nät, som har trafik endast mellan angränsande noder
EP1835648B1 (de) 1998-12-08 2010-02-10 Nippon Telegraph and Telephone Corporation Optisches Kommunikationsnetz
US6377392B1 (en) 1999-02-26 2002-04-23 Ciena Corporation Optical amplifier
US6509986B1 (en) 1999-02-26 2003-01-21 Ciena Corporation WDM ring transmission system having amplified dropped channels
JP4044253B2 (ja) * 1999-04-05 2008-02-06 株式会社東芝 光分岐挿入ノード装置
US6236499B1 (en) * 1999-04-15 2001-05-22 Nortel Networks Limited Highly scalable modular optical amplifier based subsystem
US6757098B2 (en) * 1999-04-15 2004-06-29 Nortel Network Limited Highly scalable modular optical amplifier based subsystem
GB2352104B (en) * 1999-07-15 2003-01-15 Marconi Comm Ltd Communications systems
EP1133082A1 (de) * 2000-03-10 2001-09-12 Corning Incorporated Optisches Überwachungssystem

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0681119B2 (ja) * 1986-04-17 1994-10-12 日本電気株式会社 波長多重光伝送方式
GB9516017D0 (en) * 1995-08-04 1995-10-04 Stc Submarine Systems Ltd Optical level control in wavelength add-drop multiplexing branching units

Also Published As

Publication number Publication date
AU7356298A (en) 1998-11-24
SE9701668L (sv) 1998-10-31
SE9701668D0 (sv) 1997-04-30
WO1998049794A3 (en) 1999-02-04
WO1998049794A2 (en) 1998-11-05
EP0979564A2 (de) 2000-02-16

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Legal Events

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