GB2194701B - Optical switch - Google Patents

Optical switch

Info

Publication number
GB2194701B
GB2194701B GB8715425A GB8715425A GB2194701B GB 2194701 B GB2194701 B GB 2194701B GB 8715425 A GB8715425 A GB 8715425A GB 8715425 A GB8715425 A GB 8715425A GB 2194701 B GB2194701 B GB 2194701B
Authority
GB
United Kingdom
Prior art keywords
optical switch
switch
optical
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
GB8715425A
Other versions
GB8715425D0 (en
GB2194701A (en
Inventor
Ayman El Fatatry
Simon Paul Shipley
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Publication of GB8715425D0 publication Critical patent/GB8715425D0/en
Publication of GB2194701A publication Critical patent/GB2194701A/en
Application granted granted Critical
Publication of GB2194701B publication Critical patent/GB2194701B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/28Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293Optical 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
    • G02B6/29379Optical 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
    • G02B6/2938Optical 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
    • G02B6/29382Optical 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 including at least adding or dropping a signal, i.e. passing the majority of signals
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/28Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293Optical 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
    • G02B6/29346Optical 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
    • G02B6/2935Mach-Zehnder configuration, i.e. comprising separate splitting and combining means
    • G02B6/29352Mach-Zehnder configuration, i.e. comprising separate splitting and combining means in a light guide
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/21Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  by interference
    • G02F1/212Mach-Zehnder type
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/04Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 monomode

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)
GB8715425A 1986-08-29 1987-07-01 Optical switch Expired - Fee Related GB2194701B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868620992A GB8620992D0 (en) 1986-08-29 1986-08-29 Optical switch

Publications (3)

Publication Number Publication Date
GB8715425D0 GB8715425D0 (en) 1987-08-05
GB2194701A GB2194701A (en) 1988-03-09
GB2194701B true GB2194701B (en) 1991-01-23

Family

ID=10603428

Family Applications (2)

Application Number Title Priority Date Filing Date
GB868620992A Pending GB8620992D0 (en) 1986-08-29 1986-08-29 Optical switch
GB8715425A Expired - Fee Related GB2194701B (en) 1986-08-29 1987-07-01 Optical switch

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB868620992A Pending GB8620992D0 (en) 1986-08-29 1986-08-29 Optical switch

Country Status (1)

Country Link
GB (2) GB8620992D0 (en)

Also Published As

Publication number Publication date
GB8715425D0 (en) 1987-08-05
GB8620992D0 (en) 1986-10-08
GB2194701A (en) 1988-03-09

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Legal Events

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