AU7356298A - Low loss, optical add/drop wdm node - Google Patents

Low loss, optical add/drop wdm node

Info

Publication number
AU7356298A
AU7356298A AU73562/98A AU7356298A AU7356298A AU 7356298 A AU7356298 A AU 7356298A AU 73562/98 A AU73562/98 A AU 73562/98A AU 7356298 A AU7356298 A AU 7356298A AU 7356298 A AU7356298 A AU 7356298A
Authority
AU
Australia
Prior art keywords
low loss
optical add
wdm node
drop wdm
drop
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.)
Abandoned
Application number
AU73562/98A
Inventor
Magnus Sundelin
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 AU7356298A publication Critical patent/AU7356298A/en
Abandoned legal-status Critical Current

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)
AU73562/98A 1997-04-30 1998-04-30 Low loss, optical add/drop wdm node Abandoned AU7356298A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9701668A SE519255C2 (en) 1997-04-30 1997-04-30 ADD / Drop node for low loss WDM
SE9701668 1997-04-30
PCT/SE1998/000801 WO1998049794A2 (en) 1997-04-30 1998-04-30 Low loss, optical add/drop wdm node

Publications (1)

Publication Number Publication Date
AU7356298A true AU7356298A (en) 1998-11-24

Family

ID=20406822

Family Applications (1)

Application Number Title Priority Date Filing Date
AU73562/98A Abandoned AU7356298A (en) 1997-04-30 1998-04-30 Low loss, optical add/drop wdm node

Country Status (4)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE520943C2 (en) * 1998-06-10 2003-09-16 Ericsson Telefon Ab L M Add / drop node arranged to be connected in a wdm-type fiber optic network
SE520876C2 (en) * 1998-06-10 2003-09-09 Ericsson Telefon Ab L M ADD / Drpo node for an optical WDM network that has traffic only between neighboring nodes
DE69942014D1 (en) 1998-12-08 2010-03-25 Nippon Telegraph & Telephone Optical communication network
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 (en) * 1999-04-05 2008-02-06 株式会社東芝 Optical add / drop node equipment
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 (en) * 2000-03-10 2001-09-12 Corning Incorporated Optical monitoring system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0681119B2 (en) * 1986-04-17 1994-10-12 日本電気株式会社 WDM optical transmission system
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
EP0979564A2 (en) 2000-02-16
SE9701668D0 (en) 1997-04-30
SE9701668L (en) 1998-10-31
WO1998049794A3 (en) 1999-02-04
SE519255C2 (en) 2003-02-04
WO1998049794A2 (en) 1998-11-05

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase