GB8925539D0 - Optical networks - Google Patents

Optical networks

Info

Publication number
GB8925539D0
GB8925539D0 GB898925539A GB8925539A GB8925539D0 GB 8925539 D0 GB8925539 D0 GB 8925539D0 GB 898925539 A GB898925539 A GB 898925539A GB 8925539 A GB8925539 A GB 8925539A GB 8925539 D0 GB8925539 D0 GB 8925539D0
Authority
GB
United Kingdom
Prior art keywords
optical networks
networks
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.)
Granted
Application number
GB898925539A
Other versions
GB2237949A (en
GB2237949B (en
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.)
STC PLC
Original Assignee
STC 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 STC PLC filed Critical STC PLC
Priority to GB8925539A priority Critical patent/GB2237949B/en
Publication of GB8925539D0 publication Critical patent/GB8925539D0/en
Publication of GB2237949A publication Critical patent/GB2237949A/en
Application granted granted Critical
Publication of GB2237949B publication Critical patent/GB2237949B/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
    • H04B10/27—Arrangements for networking
    • H04B10/272—Star-type networks or tree-type networks
    • H04B10/2725—Star-type networks without a headend
    • 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
    • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • 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
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
    • G02B6/4228—Passive alignment, i.e. without a detection of the degree of coupling or the position of the elements
    • G02B6/423—Passive alignment, i.e. without a detection of the degree of coupling or the position of the elements using guiding surfaces for the alignment
    • 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
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4249—Packages, e.g. shape, construction, internal or external details comprising arrays of active devices and fibres
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
    • H01L25/16—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof the devices being of types provided for in two or more different main groups of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. forming hybrid circuits
    • H01L25/167—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof the devices being of types provided for in two or more different main groups of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. forming hybrid circuits comprising optoelectronic devices, e.g. LED, photodiodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001—Technical content checked by a classifier
    • H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
GB8925539A 1989-11-11 1989-11-11 Optical networks Expired - Fee Related GB2237949B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8925539A GB2237949B (en) 1989-11-11 1989-11-11 Optical networks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8925539A GB2237949B (en) 1989-11-11 1989-11-11 Optical networks

Publications (3)

Publication Number Publication Date
GB8925539D0 true GB8925539D0 (en) 1990-01-04
GB2237949A GB2237949A (en) 1991-05-15
GB2237949B GB2237949B (en) 1994-04-06

Family

ID=10666159

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8925539A Expired - Fee Related GB2237949B (en) 1989-11-11 1989-11-11 Optical networks

Country Status (1)

Country Link
GB (1) GB2237949B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6090635A (en) * 1992-11-17 2000-07-18 Gte Laboratories Incorporated Method for forming a semiconductor device structure having a laser portion
US5355386A (en) * 1992-11-17 1994-10-11 Gte Laboratories Incorporated Monolithically integrated semiconductor structure and method of fabricating such structure
JPH0818513A (en) * 1994-07-05 1996-01-19 Nec Corp Optical access system
US5521734A (en) * 1994-12-30 1996-05-28 At&T Corp. One-dimensional optical data arrays implemented within optical networks

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4129468A (en) * 1977-04-13 1978-12-12 Bell Telephone Laboratories, Incorporated Method and apparatus for manufacturing optical communication cables
US4149072A (en) * 1977-08-05 1979-04-10 Minnesota Mining And Manufacturing Company System for flat ribbon optical fiber data communications link
US4213670A (en) * 1977-10-06 1980-07-22 The United States Of America As Represented By The Secretary Of The Navy Planar fiber optic star and access coupler
US4289558A (en) * 1978-06-30 1981-09-15 Western Electric Company, Inc. Methods of and apparatus for organizing fiber lightguides into a planar array
GB2155718B (en) * 1984-03-08 1987-01-28 Standard Telephones Cables Ltd Local area network

Also Published As

Publication number Publication date
GB2237949A (en) 1991-05-15
GB2237949B (en) 1994-04-06

Similar Documents

Publication Publication Date Title
EP0412727A3 (en) Optical communication system
GB8923351D0 (en) Multifrequency optical network
AU4848290A (en) Optical colour-splitter arrangement
HU905968D0 (en) Ferrule without ear
IL90853A0 (en) Optical communication link
EP0421352A3 (en) Optical attenuator
AU6662990A (en) Networks
EP0412675A3 (en) Optical components
GB9005341D0 (en) Optical assemblies
EP0413593A3 (en) Optical system
EP0411607A3 (en) Embedded-in-optical-fiber type optical component
GB2237949B (en) Optical networks
HUT56193A (en) Optical fibre-connector
EP0433646A3 (en) Optical receiver
GB8904483D0 (en) Optical fibre
GB2239365B (en) Optical network
GB8826484D0 (en) Optical fibre networks
GB8904782D0 (en) Optical coupler
GB2238199B (en) Optical communications systems
GB2228834B (en) Transmission networks
GB8917102D0 (en) Optical alignment means
GB2237692B (en) Waveguide networks
GB2238137B (en) Optical system
EP0427109A3 (en) Optical communication network
GB8916021D0 (en) An optical communications system

Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20041111