JPS5752012A - Manufacture of optical branching circuit - Google Patents

Manufacture of optical branching circuit

Info

Publication number
JPS5752012A
JPS5752012A JP12601880A JP12601880A JPS5752012A JP S5752012 A JPS5752012 A JP S5752012A JP 12601880 A JP12601880 A JP 12601880A JP 12601880 A JP12601880 A JP 12601880A JP S5752012 A JPS5752012 A JP S5752012A
Authority
JP
Japan
Prior art keywords
glass
core
optical branching
branching circuit
manufacture
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
JP12601880A
Other languages
Japanese (ja)
Other versions
JPS6321881B2 (en
Inventor
Taiji Murakami
Nobuo Shimizu
Hidefumi Mori
Masahiro Ikeda
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.)
NTT Inc
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 JP12601880A priority Critical patent/JPS5752012A/en
Publication of JPS5752012A publication Critical patent/JPS5752012A/en
Publication of JPS6321881B2 publication Critical patent/JPS6321881B2/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 Couplings Of Light Guides (AREA)
  • Optical Integrated Circuits (AREA)

Abstract

PURPOSE:To obtain an optical branching circuit which has excellent reproductivity in terms of manufacture and optional characteristics, by forming the optical branching circuit on a plane substrate by applying photolithography. CONSTITUTION:In a glass substrate 1, grooves 2 and 3 for fixing fibers are made and in those grooves 2 and 3, an incidence fiber 4 and emission fibers 5 are fixed. On the substrate 1 wherein the fibers 4 and 5 are fixed, glass fine grains as core galss are deposited, and the glass fine grains 6' are made transparent by being heated to form a core glass layer 6. After an unnecessary part is removed from the core glass layer 6 by reactive sputter etching, glass fine grains as cladding glass 7 are deposited on the core and then made transparent by being heated.
JP12601880A 1980-09-12 1980-09-12 Manufacture of optical branching circuit Granted JPS5752012A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12601880A JPS5752012A (en) 1980-09-12 1980-09-12 Manufacture of optical branching circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12601880A JPS5752012A (en) 1980-09-12 1980-09-12 Manufacture of optical branching circuit

Publications (2)

Publication Number Publication Date
JPS5752012A true JPS5752012A (en) 1982-03-27
JPS6321881B2 JPS6321881B2 (en) 1988-05-10

Family

ID=14924675

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12601880A Granted JPS5752012A (en) 1980-09-12 1980-09-12 Manufacture of optical branching circuit

Country Status (1)

Country Link
JP (1) JPS5752012A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62111214A (en) * 1985-11-11 1987-05-22 Hitachi Cable Ltd Manufacturing method of glass film optical waveguide with optical fiber

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5280042A (en) * 1975-12-22 1977-07-05 Ibm Optical coupler
JPS5362538A (en) * 1976-11-16 1978-06-05 Mitsubishi Electric Corp Optical fiber coupler and its production
JPS5370839A (en) * 1976-12-07 1978-06-23 Fujitsu Ltd Production of optical wave guide circuit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5280042A (en) * 1975-12-22 1977-07-05 Ibm Optical coupler
JPS5362538A (en) * 1976-11-16 1978-06-05 Mitsubishi Electric Corp Optical fiber coupler and its production
JPS5370839A (en) * 1976-12-07 1978-06-23 Fujitsu Ltd Production of optical wave guide circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62111214A (en) * 1985-11-11 1987-05-22 Hitachi Cable Ltd Manufacturing method of glass film optical waveguide with optical fiber

Also Published As

Publication number Publication date
JPS6321881B2 (en) 1988-05-10

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