GB2425420B - Optical transmission device - Google Patents

Optical transmission device

Info

Publication number
GB2425420B
GB2425420B GB0613957A GB0613957A GB2425420B GB 2425420 B GB2425420 B GB 2425420B GB 0613957 A GB0613957 A GB 0613957A GB 0613957 A GB0613957 A GB 0613957A GB 2425420 B GB2425420 B GB 2425420B
Authority
GB
United Kingdom
Prior art keywords
transmission device
optical transmission
optical
transmission
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
Application number
GB0613957A
Other versions
GB0613957D0 (en
GB2425420A (en
Inventor
Goji Nakagawa
Hideyuki Miyata
Yutaka Kai
Hiroshi Onaka
Setsuo Yoshida
Kyosuke Sone
Tomohiro Ueno
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority claimed from GB0504853A external-priority patent/GB2415556B/en
Publication of GB0613957D0 publication Critical patent/GB0613957D0/en
Publication of GB2425420A publication Critical patent/GB2425420A/en
Application granted granted Critical
Publication of GB2425420B publication Critical patent/GB2425420B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04J14/0209—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
    • 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
    • H04J14/0202—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)
GB0613957A 2003-04-15 2003-04-15 Optical transmission device Expired - Fee Related GB2425420B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0504853A GB2415556B (en) 2003-04-15 2003-04-15 Optical transmission device

Publications (3)

Publication Number Publication Date
GB0613957D0 GB0613957D0 (en) 2006-08-23
GB2425420A GB2425420A (en) 2006-10-25
GB2425420B true GB2425420B (en) 2007-02-14

Family

ID=36955612

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0613957A Expired - Fee Related GB2425420B (en) 2003-04-15 2003-04-15 Optical transmission device

Country Status (1)

Country Link
GB (1) GB2425420B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000206362A (en) * 1999-01-19 2000-07-28 Hitachi Ltd OPTICAL ADM(Add/Drop Multiplexing) NODE DEVICE
US6323975B1 (en) * 1997-05-13 2001-11-27 Nokia Networks Oy Optical add/drop device
US6538782B1 (en) * 1998-02-02 2003-03-25 Fujitsu Limited Light branching/inserting apparatus and light branching apparatus using wavelength selection filter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6323975B1 (en) * 1997-05-13 2001-11-27 Nokia Networks Oy Optical add/drop device
US6538782B1 (en) * 1998-02-02 2003-03-25 Fujitsu Limited Light branching/inserting apparatus and light branching apparatus using wavelength selection filter
JP2000206362A (en) * 1999-01-19 2000-07-28 Hitachi Ltd OPTICAL ADM(Add/Drop Multiplexing) NODE DEVICE

Also Published As

Publication number Publication date
GB0613957D0 (en) 2006-08-23
GB2425420A (en) 2006-10-25

Similar Documents

Publication Publication Date Title
GB0306008D0 (en) Optical device
HK1147975A1 (en) Optical variable device
HK1097917A1 (en) Substrate-guided optical devices
AU2003226614A8 (en) Optical device
GB0217227D0 (en) Optical waveguide device
AU2003299318A1 (en) Optical coupling device
GB2388672B (en) Optical waveguide device
SG105581A1 (en) Optical waveguard device
EP1635211A4 (en) Optical modulating device
GB2415556B (en) Optical transmission device
GB2393188B (en) Optical device
GB0220314D0 (en) Improved optical device
PL1678656T3 (en) Fingerprint-image-forming optical device
GB0223510D0 (en) Optical device
GB0326853D0 (en) Optical device
GB2387668B (en) Optical device
EP1465379A4 (en) Transmission device
GB0220404D0 (en) Optical device
EP1489450A4 (en) Optical device
GB2395571B (en) Optical device
GB0316118D0 (en) Optical coupling devices
GB0218759D0 (en) Optical device
GB2425420B (en) Optical transmission device
IL199288A (en) Optical device
AU2003286130A8 (en) Transmission device

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20180415