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JPS5395655A - Branching light circuit - Google Patents

Branching light circuit

Info

Publication number
JPS5395655A
JPS5395655A JP976077A JP976077A JPS5395655A JP S5395655 A JPS5395655 A JP S5395655A JP 976077 A JP976077 A JP 976077A JP 976077 A JP976077 A JP 976077A JP S5395655 A JPS5395655 A JP S5395655A
Authority
JP
Japan
Prior art keywords
light circuit
branching light
branching part
branching
propagated
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
JP976077A
Other languages
Japanese (ja)
Other versions
JPS574883B2 (en
Inventor
Takashi Kurokawa
Shigeru Oikawa
Norio Takato
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP976077A priority Critical patent/JPS5395655A/en
Publication of JPS5395655A publication Critical patent/JPS5395655A/en
Publication of JPS574883B2 publication Critical patent/JPS574883B2/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Integrated Circuits (AREA)

Abstract

PURPOSE:To enable light to be branched and propagated with virtually no loss without leaking at the branching part by providing a step difference in refractive index in the branching part of optical guides.
JP976077A 1977-02-02 1977-02-02 Branching light circuit Granted JPS5395655A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP976077A JPS5395655A (en) 1977-02-02 1977-02-02 Branching light circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP976077A JPS5395655A (en) 1977-02-02 1977-02-02 Branching light circuit

Publications (2)

Publication Number Publication Date
JPS5395655A true JPS5395655A (en) 1978-08-22
JPS574883B2 JPS574883B2 (en) 1982-01-28

Family

ID=11729225

Family Applications (1)

Application Number Title Priority Date Filing Date
JP976077A Granted JPS5395655A (en) 1977-02-02 1977-02-02 Branching light circuit

Country Status (1)

Country Link
JP (1) JPS5395655A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03245107A (en) * 1990-02-23 1991-10-31 Nippon Telegr & Teleph Corp <Ntt> Branching/multiplexing optical waveguide circuit
JPH09211501A (en) * 1996-01-31 1997-08-15 Nippon Telegr & Teleph Corp <Ntt> Thermooptical optical switch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03245107A (en) * 1990-02-23 1991-10-31 Nippon Telegr & Teleph Corp <Ntt> Branching/multiplexing optical waveguide circuit
JPH09211501A (en) * 1996-01-31 1997-08-15 Nippon Telegr & Teleph Corp <Ntt> Thermooptical optical switch

Also Published As

Publication number Publication date
JPS574883B2 (en) 1982-01-28

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