JPS53124458A - Optical branching circuit - Google Patents

Optical branching circuit

Info

Publication number
JPS53124458A
JPS53124458A JP3969977A JP3969977A JPS53124458A JP S53124458 A JPS53124458 A JP S53124458A JP 3969977 A JP3969977 A JP 3969977A JP 3969977 A JP3969977 A JP 3969977A JP S53124458 A JPS53124458 A JP S53124458A
Authority
JP
Japan
Prior art keywords
branching circuit
optical branching
optical
light
branching
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.)
Pending
Application number
JP3969977A
Other languages
Japanese (ja)
Inventor
Yosuke Furuta
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 JP3969977A priority Critical patent/JPS53124458A/en
Publication of JPS53124458A publication Critical patent/JPS53124458A/en
Pending 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
    • G02B6/30—Optical coupling means for use between fibre and thin-film device

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Optical Communication System (AREA)

Abstract

PURPOSE:To simplify the construction of an optical branching circuit in optical communication system and prevent the decrease in the propagation efficiency of light by applying light from an optical fiber to a phase grating and branching part of the same toward a thin-film optical guide.
JP3969977A 1977-04-07 1977-04-07 Optical branching circuit Pending JPS53124458A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3969977A JPS53124458A (en) 1977-04-07 1977-04-07 Optical branching circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3969977A JPS53124458A (en) 1977-04-07 1977-04-07 Optical branching circuit

Publications (1)

Publication Number Publication Date
JPS53124458A true JPS53124458A (en) 1978-10-30

Family

ID=12560258

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3969977A Pending JPS53124458A (en) 1977-04-07 1977-04-07 Optical branching circuit

Country Status (1)

Country Link
JP (1) JPS53124458A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08313743A (en) * 1995-05-17 1996-11-29 Nec Corp Optical input/output coupler and its production

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08313743A (en) * 1995-05-17 1996-11-29 Nec Corp Optical input/output coupler and its production

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