GB2281463B - Optical transmission system - Google Patents

Optical transmission system

Info

Publication number
GB2281463B
GB2281463B GB9317516A GB9317516A GB2281463B GB 2281463 B GB2281463 B GB 2281463B GB 9317516 A GB9317516 A GB 9317516A GB 9317516 A GB9317516 A GB 9317516A GB 2281463 B GB2281463 B GB 2281463B
Authority
GB
United Kingdom
Prior art keywords
transmission system
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
GB9317516A
Other versions
GB9317516D0 (en
GB2281463A (en
Inventor
David Ian Curtis
Philip Alexander O'bow-Hove
Anthony Sweed
Richard Whittington
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.)
Nortel Networks Ltd
Original Assignee
Northern Telecom 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 Northern Telecom Ltd filed Critical Northern Telecom Ltd
Priority to GB9317516A priority Critical patent/GB2281463B/en
Publication of GB9317516D0 publication Critical patent/GB9317516D0/en
Publication of GB2281463A publication Critical patent/GB2281463A/en
Application granted granted Critical
Publication of GB2281463B publication Critical patent/GB2281463B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/2912—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Light Guides In General And Applications Therefor (AREA)
GB9317516A 1993-08-23 1993-08-23 Optical transmission system Expired - Fee Related GB2281463B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9317516A GB2281463B (en) 1993-08-23 1993-08-23 Optical transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9317516A GB2281463B (en) 1993-08-23 1993-08-23 Optical transmission system

Publications (3)

Publication Number Publication Date
GB9317516D0 GB9317516D0 (en) 1993-10-06
GB2281463A GB2281463A (en) 1995-03-01
GB2281463B true GB2281463B (en) 1998-01-28

Family

ID=10740899

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9317516A Expired - Fee Related GB2281463B (en) 1993-08-23 1993-08-23 Optical transmission system

Country Status (1)

Country Link
GB (1) GB2281463B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6995899B2 (en) * 2002-06-27 2006-02-07 Baker Hughes Incorporated Fiber optic amplifier for oilfield applications

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987004881A1 (en) * 1986-01-31 1987-08-13 Advanced Lasers Ltd. Fibre communication laser system
EP0408394A1 (en) * 1989-07-13 1991-01-16 BRITISH TELECOMMUNICATIONS public limited company Optical communications network
GB2236895A (en) * 1989-07-13 1991-04-17 British Telecomm Optical communications system
WO1991009475A1 (en) * 1989-12-14 1991-06-27 British Telecommunications Public Limited Company Lossless optical component
GB2249682A (en) * 1990-11-09 1992-05-13 Stc Plc Optical amplifiers
WO1992009150A1 (en) * 1990-11-20 1992-05-29 British Telecommunications Public Limited Company An optical network
EP0590379A1 (en) * 1992-09-30 1994-04-06 Siemens Aktiengesellschaft Optical transmission device for the transmission of optical signals in wavelength division multiplexing on a plurality of adjacent optical carrier wavelengths

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987004881A1 (en) * 1986-01-31 1987-08-13 Advanced Lasers Ltd. Fibre communication laser system
EP0408394A1 (en) * 1989-07-13 1991-01-16 BRITISH TELECOMMUNICATIONS public limited company Optical communications network
GB2236895A (en) * 1989-07-13 1991-04-17 British Telecomm Optical communications system
WO1991009475A1 (en) * 1989-12-14 1991-06-27 British Telecommunications Public Limited Company Lossless optical component
GB2249682A (en) * 1990-11-09 1992-05-13 Stc Plc Optical amplifiers
WO1992009150A1 (en) * 1990-11-20 1992-05-29 British Telecommunications Public Limited Company An optical network
EP0590379A1 (en) * 1992-09-30 1994-04-06 Siemens Aktiengesellschaft Optical transmission device for the transmission of optical signals in wavelength division multiplexing on a plurality of adjacent optical carrier wavelengths

Also Published As

Publication number Publication date
GB9317516D0 (en) 1993-10-06
GB2281463A (en) 1995-03-01

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Legal Events

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

Effective date: 20070823