IT1283522B1 - INSERTION AND EXTRACTION OF A THIRD CHANNEL OR BAND ON AN OPTICAL FIBER CARRYING TWO OPTICAL CHANNELS OR BANDS USING A SINGLE - Google Patents

INSERTION AND EXTRACTION OF A THIRD CHANNEL OR BAND ON AN OPTICAL FIBER CARRYING TWO OPTICAL CHANNELS OR BANDS USING A SINGLE

Info

Publication number
IT1283522B1
IT1283522B1 IT96MI001587A ITMI961587A IT1283522B1 IT 1283522 B1 IT1283522 B1 IT 1283522B1 IT 96MI001587 A IT96MI001587 A IT 96MI001587A IT MI961587 A ITMI961587 A IT MI961587A IT 1283522 B1 IT1283522 B1 IT 1283522B1
Authority
IT
Italy
Prior art keywords
bands
extraction
band
channel
optical fiber
Prior art date
Application number
IT96MI001587A
Other languages
Italian (it)
Inventor
Antonio Fincato
Maurizio Lenzi
Original Assignee
Italtel Spa
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 Italtel Spa filed Critical Italtel Spa
Priority to IT96MI001587A priority Critical patent/IT1283522B1/en
Publication of ITMI961587A0 publication Critical patent/ITMI961587A0/it
Priority to PCT/EP1997/003969 priority patent/WO1998004942A1/en
Publication of ITMI961587A1 publication Critical patent/ITMI961587A1/en
Application granted granted Critical
Publication of IT1283522B1 publication Critical patent/IT1283522B1/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29379—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device
    • G02B6/2938—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29346—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by wave or beam interference
    • G02B6/2935—Mach-Zehnder configuration, i.e. comprising separate splitting and combining means
    • G02B6/29352—Mach-Zehnder configuration, i.e. comprising separate splitting and combining means in a light guide

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
IT96MI001587A 1996-07-26 1996-07-26 INSERTION AND EXTRACTION OF A THIRD CHANNEL OR BAND ON AN OPTICAL FIBER CARRYING TWO OPTICAL CHANNELS OR BANDS USING A SINGLE IT1283522B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT96MI001587A IT1283522B1 (en) 1996-07-26 1996-07-26 INSERTION AND EXTRACTION OF A THIRD CHANNEL OR BAND ON AN OPTICAL FIBER CARRYING TWO OPTICAL CHANNELS OR BANDS USING A SINGLE
PCT/EP1997/003969 WO1998004942A1 (en) 1996-07-26 1997-07-22 Insertion and extraction of a third channel or band on a fibre optics carrying two channels or optical bands through one single mach-zehnder interferometer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT96MI001587A IT1283522B1 (en) 1996-07-26 1996-07-26 INSERTION AND EXTRACTION OF A THIRD CHANNEL OR BAND ON AN OPTICAL FIBER CARRYING TWO OPTICAL CHANNELS OR BANDS USING A SINGLE

Publications (3)

Publication Number Publication Date
ITMI961587A0 ITMI961587A0 (en) 1996-07-26
ITMI961587A1 ITMI961587A1 (en) 1998-01-26
IT1283522B1 true IT1283522B1 (en) 1998-04-21

Family

ID=11374677

Family Applications (1)

Application Number Title Priority Date Filing Date
IT96MI001587A IT1283522B1 (en) 1996-07-26 1996-07-26 INSERTION AND EXTRACTION OF A THIRD CHANNEL OR BAND ON AN OPTICAL FIBER CARRYING TWO OPTICAL CHANNELS OR BANDS USING A SINGLE

Country Status (2)

Country Link
IT (1) IT1283522B1 (en)
WO (1) WO1998004942A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2300750C (en) * 2000-03-16 2006-05-16 Itf Optical Technologies Inc.-Technologies Optiques Itf Inc. All-fiber machzehnder interferometer and method of making the same
JP3857925B2 (en) * 2001-04-11 2006-12-13 古河電気工業株式会社 Optical multiplexer / demultiplexer
US6871022B2 (en) * 2001-09-14 2005-03-22 Stratos International, Inc. Cascaded optical multiplexer

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2292495B (en) * 1994-08-17 1998-03-25 Northern Telecom Ltd Fault location in optical communication systems
US5488500A (en) * 1994-08-31 1996-01-30 At&T Corp. Tunable add drop optical filtering method and apparatus

Also Published As

Publication number Publication date
ITMI961587A1 (en) 1998-01-26
WO1998004942A1 (en) 1998-02-05
ITMI961587A0 (en) 1996-07-26

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Legal Events

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0001 Granted