JPS6257966B2 - - Google Patents

Info

Publication number
JPS6257966B2
JPS6257966B2 JP55130145A JP13014580A JPS6257966B2 JP S6257966 B2 JPS6257966 B2 JP S6257966B2 JP 55130145 A JP55130145 A JP 55130145A JP 13014580 A JP13014580 A JP 13014580A JP S6257966 B2 JPS6257966 B2 JP S6257966B2
Authority
JP
Japan
Prior art keywords
optical
optical waveguide
refractive index
input
layer
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
Application number
JP55130145A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5754913A (en
Inventor
Hideki Noda
Seiji Terai
Kazuyuki Asanuma
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 to JP13014580A priority Critical patent/JPS5754913A/ja
Publication of JPS5754913A publication Critical patent/JPS5754913A/ja
Publication of JPS6257966B2 publication Critical patent/JPS6257966B2/ja
Granted legal-status Critical Current

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
    • G02B6/2804—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
    • G02B6/2808—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 using a mixing element which evenly distributes an input signal over a number of outputs

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Integrated Circuits (AREA)
JP13014580A 1980-09-19 1980-09-19 Photocoupler Granted JPS5754913A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13014580A JPS5754913A (en) 1980-09-19 1980-09-19 Photocoupler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13014580A JPS5754913A (en) 1980-09-19 1980-09-19 Photocoupler

Publications (2)

Publication Number Publication Date
JPS5754913A JPS5754913A (en) 1982-04-01
JPS6257966B2 true JPS6257966B2 (en]) 1987-12-03

Family

ID=15027041

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13014580A Granted JPS5754913A (en) 1980-09-19 1980-09-19 Photocoupler

Country Status (1)

Country Link
JP (1) JPS5754913A (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4995692A (en) * 1990-02-06 1991-02-26 General Motors Corporation Fiber optic star coupler

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS542141A (en) * 1977-06-08 1979-01-09 Oki Electric Ind Co Ltd Star sranching element

Also Published As

Publication number Publication date
JPS5754913A (en) 1982-04-01

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