JPS5391752A - Production of photo coupler - Google Patents

Production of photo coupler

Info

Publication number
JPS5391752A
JPS5391752A JP541577A JP541577A JPS5391752A JP S5391752 A JPS5391752 A JP S5391752A JP 541577 A JP541577 A JP 541577A JP 541577 A JP541577 A JP 541577A JP S5391752 A JPS5391752 A JP S5391752A
Authority
JP
Japan
Prior art keywords
production
photo coupler
waveguides
balue
diffusion
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
JP541577A
Other versions
JPS5926006B2 (en
Inventor
Hiroshi Nakagome
Haruhiko Tsuchiya
Original Assignee
Nippon Telegr & Teleph Corp <Ntt>
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 Telegr & Teleph Corp <Ntt> filed Critical Nippon Telegr & Teleph Corp <Ntt>
Priority to JP52005415A priority Critical patent/JPS5926006B2/ja
Publication of JPS5391752A publication Critical patent/JPS5391752A/en
Publication of JPS5926006B2 publication Critical patent/JPS5926006B2/ja
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00Light guides
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/28Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804Optical 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
    • G02B6/2821Optical 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 lateral coupling between contiguous fibres to split or combine optical signals
    • G02B6/2835Optical 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 lateral coupling between contiguous fibres to split or combine optical signals formed or shaped by thermal treatment, e.g. couplers
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00Light guides
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/28Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804Optical 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
    • G02B6/2856Optical 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 formed or shaped by thermal heating means, e.g. splitting, branching and/or combining elements

Abstract

PURPOSE:To control the coupling ratio between waveguides so that it becomes a required balue by heating the commonly connecting portions of respective waveguides to allow the diffusion of the waveguide portions to take place.
JP52005415A 1977-01-22 1977-01-22 Expired JPS5926006B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52005415A JPS5926006B2 (en) 1977-01-22 1977-01-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52005415A JPS5926006B2 (en) 1977-01-22 1977-01-22

Publications (2)

Publication Number Publication Date
JPS5391752A true JPS5391752A (en) 1978-08-11
JPS5926006B2 JPS5926006B2 (en) 1984-06-23

Family

ID=11610505

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52005415A Expired JPS5926006B2 (en) 1977-01-22 1977-01-22

Country Status (1)

Country Link
JP (1) JPS5926006B2 (en)

Cited By (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5576307A (en) * 1978-12-05 1980-06-09 Nippon Telegr & Teleph Corp <Ntt> Distribution coupling type period branching filter
JPS55126209A (en) * 1979-03-19 1980-09-29 Hicks John Wilbur Jr Fiber optics device and equipment for coupling same
JPS55157701A (en) * 1979-05-29 1980-12-08 Hitachi Ltd Production of photo branching and coupling device
EP0074788A2 (en) * 1981-09-10 1983-03-23 The Board Of Trustees Of The Leland Stanford Junior University Fiber coupler temperature tranducer
EP0093460A1 (en) * 1982-03-22 1983-11-09 Philips Electronics N.V. Method of manufacturing a fibre-optical coupling element
US4444460A (en) * 1981-05-26 1984-04-24 Gould Inc. Optical fiber apparatus including subtstrate ruggedized optical fibers
US4444458A (en) * 1981-05-26 1984-04-24 Gould Inc. Substrate ruggedized optical fiber apparatus
US4444463A (en) * 1980-04-30 1984-04-24 Siemens Aktiengesellschaft Glass fibers with transverse openings and methods of their production
FR2545208A1 (en) * 1979-03-19 1984-11-02 Polaroid Corp Coupling device for transmitting light information between fibre-optic elements
WO1984004822A1 (en) * 1983-05-26 1984-12-06 Gould Inc Polarization-insensitive, evanescent-wave, fused coupler with minimal environmental sensitivity
US4493528A (en) * 1980-04-11 1985-01-15 Board Of Trustees Of The Leland Stanford Junior University Fiber optic directional coupler
US4511207A (en) * 1981-11-19 1985-04-16 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic data distributor
US4514057A (en) * 1981-12-23 1985-04-30 General Dynamics Pomona Division Fiber optic coupler array and fabrication method
US4515431A (en) * 1982-08-11 1985-05-07 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic amplifier
US4523810A (en) * 1982-01-26 1985-06-18 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Optical fiber coupling method and apparatus
US4536058A (en) * 1981-09-10 1985-08-20 The Board Of Trustees Of The Leland Stanford Junior University Method of manufacturing a fiber optic directional coupler
US4554510A (en) * 1983-09-12 1985-11-19 The Board Of Trustees Of Leland Stanford Junior University Switching fiber optic amplifier
US4558920A (en) * 1981-11-19 1985-12-17 Board Of Trustees Of The Leland Stanford Junior University Tapped optical fiber delay line
US4560234A (en) * 1983-08-15 1985-12-24 Board Of Trustees Of The Leland Stanford Junior University Fiber optic switchable coupler
US4564262A (en) * 1980-04-11 1986-01-14 Board Of Trustees Of The Leland Stanford Junior University Fiber optic directional coupler
US4588255A (en) * 1982-06-21 1986-05-13 The Board Of Trustees Of The Leland Stanford Junior University Optical guided wave signal processor for matrix-vector multiplication and filtering
US4601541A (en) * 1980-04-11 1986-07-22 The Board Of Trustees Of Leland Stanford Junior University Fiber optic directional coupler
JPS61212806A (en) * 1985-03-18 1986-09-20 Hitachi Ltd Optical coupling and branching device and optical multiplexer and demultiplexer and their manufacture
US4632513A (en) * 1983-05-26 1986-12-30 Gould Inc. Method of making a polarization-insensitive, evanescent-wave, fused coupler with minimal environmental sensitivity
US4674830A (en) * 1983-11-25 1987-06-23 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic amplifier
JPS62160406A (en) * 1986-01-07 1987-07-16 Litton Systems Inc Optical fiber coupler and making thereof
US4723824A (en) * 1983-11-25 1988-02-09 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic amplifier
US4810052A (en) * 1986-01-07 1989-03-07 Litton Systems, Inc Fiber optic bidirectional data bus tap
JPH01248110A (en) * 1988-03-30 1989-10-03 Fujikura Ltd Apparatus for producing optical fiber coupler
USRE33296E (en) * 1983-05-26 1990-08-14 Gould Inc. Method of making a polarization-insensitive, evanescent-wave, fused coupler with minimal environmental sensitivity
JPH03130705A (en) * 1989-10-17 1991-06-04 Nippon Telegr & Teleph Corp <Ntt> Optical fiber connecting element, and method and device for connecting optical fiber
US5138676A (en) * 1990-06-15 1992-08-11 Aster Corporation Miniature fiberoptic bend device and method
US5553179A (en) * 1993-12-17 1996-09-03 Porta Systems Corp. Varied insertion loss fiber optic coupling and method of making same
US6490391B1 (en) 2000-07-12 2002-12-03 Oluma, Inc. Devices based on fibers engaged to substrates with grooves
US6501875B2 (en) 2000-06-27 2002-12-31 Oluma, Inc. Mach-Zehnder inteferometers and applications based on evanescent coupling through side-polished fiber coupling ports
US6516114B2 (en) 2000-06-27 2003-02-04 Oluma, Inc. Integration of fibers on substrates fabricated with grooves
US6542663B1 (en) 2000-09-07 2003-04-01 Oluma, Inc. Coupling control in side-polished fiber devices
US6571035B1 (en) 2000-08-10 2003-05-27 Oluma, Inc. Fiber optical switches based on optical evanescent coupling between two fibers
US6597833B1 (en) 2000-06-27 2003-07-22 Oluma, Inc. Wavelength-division multiplexers and demultiplexers based on mach-zehnder interferometers and evanescent coupling
US6621951B1 (en) 2000-06-27 2003-09-16 Oluma, Inc. Thin film structures in devices with a fiber on a substrate
US6621952B1 (en) 2000-08-10 2003-09-16 Oluma, Inc. In-fiber variable optical attenuators and modulators using index-changing liquid media
US6625349B2 (en) 2000-06-27 2003-09-23 Oluma, Inc. Evanescent optical coupling between a waveguide formed on a substrate and a side-polished fiber

Cited By (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5576307A (en) * 1978-12-05 1980-06-09 Nippon Telegr & Teleph Corp <Ntt> Distribution coupling type period branching filter
JPS577409B2 (en) * 1978-12-05 1982-02-10
JPS55126209A (en) * 1979-03-19 1980-09-29 Hicks John Wilbur Jr Fiber optics device and equipment for coupling same
FR2545208A1 (en) * 1979-03-19 1984-11-02 Polaroid Corp Coupling device for transmitting light information between fibre-optic elements
JPS55157701A (en) * 1979-05-29 1980-12-08 Hitachi Ltd Production of photo branching and coupling device
US4493528A (en) * 1980-04-11 1985-01-15 Board Of Trustees Of The Leland Stanford Junior University Fiber optic directional coupler
US4601541A (en) * 1980-04-11 1986-07-22 The Board Of Trustees Of Leland Stanford Junior University Fiber optic directional coupler
US4564262A (en) * 1980-04-11 1986-01-14 Board Of Trustees Of The Leland Stanford Junior University Fiber optic directional coupler
US4444463A (en) * 1980-04-30 1984-04-24 Siemens Aktiengesellschaft Glass fibers with transverse openings and methods of their production
US4444458A (en) * 1981-05-26 1984-04-24 Gould Inc. Substrate ruggedized optical fiber apparatus
US4444460A (en) * 1981-05-26 1984-04-24 Gould Inc. Optical fiber apparatus including subtstrate ruggedized optical fibers
US4536058A (en) * 1981-09-10 1985-08-20 The Board Of Trustees Of The Leland Stanford Junior University Method of manufacturing a fiber optic directional coupler
EP0074788A2 (en) * 1981-09-10 1983-03-23 The Board Of Trustees Of The Leland Stanford Junior University Fiber coupler temperature tranducer
US4511207A (en) * 1981-11-19 1985-04-16 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic data distributor
US4558920A (en) * 1981-11-19 1985-12-17 Board Of Trustees Of The Leland Stanford Junior University Tapped optical fiber delay line
US4514057A (en) * 1981-12-23 1985-04-30 General Dynamics Pomona Division Fiber optic coupler array and fabrication method
US4523810A (en) * 1982-01-26 1985-06-18 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Optical fiber coupling method and apparatus
EP0093460A1 (en) * 1982-03-22 1983-11-09 Philips Electronics N.V. Method of manufacturing a fibre-optical coupling element
US4588255A (en) * 1982-06-21 1986-05-13 The Board Of Trustees Of The Leland Stanford Junior University Optical guided wave signal processor for matrix-vector multiplication and filtering
US4515431A (en) * 1982-08-11 1985-05-07 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic amplifier
JPH01158405A (en) * 1983-05-26 1989-06-21 Gould Inc Production of polarizing nonsensitive coupler
US4632513A (en) * 1983-05-26 1986-12-30 Gould Inc. Method of making a polarization-insensitive, evanescent-wave, fused coupler with minimal environmental sensitivity
WO1984004822A1 (en) * 1983-05-26 1984-12-06 Gould Inc Polarization-insensitive, evanescent-wave, fused coupler with minimal environmental sensitivity
USRE33296E (en) * 1983-05-26 1990-08-14 Gould Inc. Method of making a polarization-insensitive, evanescent-wave, fused coupler with minimal environmental sensitivity
US4560234A (en) * 1983-08-15 1985-12-24 Board Of Trustees Of The Leland Stanford Junior University Fiber optic switchable coupler
US4554510A (en) * 1983-09-12 1985-11-19 The Board Of Trustees Of Leland Stanford Junior University Switching fiber optic amplifier
US4859016A (en) * 1983-11-25 1989-08-22 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic amplifier
US4723824A (en) * 1983-11-25 1988-02-09 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic amplifier
US4674830A (en) * 1983-11-25 1987-06-23 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic amplifier
JPH0578802B2 (en) * 1985-03-18 1993-10-29 Hitachi Ltd
JPS61212806A (en) * 1985-03-18 1986-09-20 Hitachi Ltd Optical coupling and branching device and optical multiplexer and demultiplexer and their manufacture
US4810052A (en) * 1986-01-07 1989-03-07 Litton Systems, Inc Fiber optic bidirectional data bus tap
JPS62160406A (en) * 1986-01-07 1987-07-16 Litton Systems Inc Optical fiber coupler and making thereof
US4738511A (en) * 1986-01-07 1988-04-19 Litton Systems, Inc. Molecular bonded fiber optic couplers and method of fabrication
JPH01248110A (en) * 1988-03-30 1989-10-03 Fujikura Ltd Apparatus for producing optical fiber coupler
JPH03130705A (en) * 1989-10-17 1991-06-04 Nippon Telegr & Teleph Corp <Ntt> Optical fiber connecting element, and method and device for connecting optical fiber
US5138676A (en) * 1990-06-15 1992-08-11 Aster Corporation Miniature fiberoptic bend device and method
US5452393A (en) * 1990-06-15 1995-09-19 Aster Corporation Miniature fiberoptic bend device and method
US5553179A (en) * 1993-12-17 1996-09-03 Porta Systems Corp. Varied insertion loss fiber optic coupling and method of making same
US6625349B2 (en) 2000-06-27 2003-09-23 Oluma, Inc. Evanescent optical coupling between a waveguide formed on a substrate and a side-polished fiber
US6501875B2 (en) 2000-06-27 2002-12-31 Oluma, Inc. Mach-Zehnder inteferometers and applications based on evanescent coupling through side-polished fiber coupling ports
US6516114B2 (en) 2000-06-27 2003-02-04 Oluma, Inc. Integration of fibers on substrates fabricated with grooves
US6621951B1 (en) 2000-06-27 2003-09-16 Oluma, Inc. Thin film structures in devices with a fiber on a substrate
US6597833B1 (en) 2000-06-27 2003-07-22 Oluma, Inc. Wavelength-division multiplexers and demultiplexers based on mach-zehnder interferometers and evanescent coupling
US6556746B1 (en) 2000-06-27 2003-04-29 Oluma, Inc. Integrated fiber devices based on Mach-Zehnder interferometers and evanescent optical coupling
US6690857B2 (en) 2000-07-12 2004-02-10 Oluma, Inc. Fiber devices having side evanescent coupling port
US6490391B1 (en) 2000-07-12 2002-12-03 Oluma, Inc. Devices based on fibers engaged to substrates with grooves
US6571035B1 (en) 2000-08-10 2003-05-27 Oluma, Inc. Fiber optical switches based on optical evanescent coupling between two fibers
US6621952B1 (en) 2000-08-10 2003-09-16 Oluma, Inc. In-fiber variable optical attenuators and modulators using index-changing liquid media
US6542663B1 (en) 2000-09-07 2003-04-01 Oluma, Inc. Coupling control in side-polished fiber devices

Also Published As

Publication number Publication date
JPS5926006B2 (en) 1984-06-23

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