JPS57158616A - Optical coupler - Google Patents

Optical coupler

Info

Publication number
JPS57158616A
JPS57158616A JP4244581A JP4244581A JPS57158616A JP S57158616 A JPS57158616 A JP S57158616A JP 4244581 A JP4244581 A JP 4244581A JP 4244581 A JP4244581 A JP 4244581A JP S57158616 A JPS57158616 A JP S57158616A
Authority
JP
Japan
Prior art keywords
optical
wavelength
waveguide
waveguides
transmission constant
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
JP4244581A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0234365B2 (enrdf_load_stackoverflow
Inventor
Taizo Yoshida
Akito Tanji
Masamitsu Masuda
Jiro Koyama
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP4244581A priority Critical patent/JPS57158616A/ja
Publication of JPS57158616A publication Critical patent/JPS57158616A/ja
Priority to US06/695,430 priority patent/US4645293A/en
Publication of JPH0234365B2 publication Critical patent/JPH0234365B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
    • G02F1/31—Digital deflection, i.e. optical switching
    • G02F1/313—Digital deflection, i.e. optical switching in an optical waveguide structure
    • G02F1/3132—Digital deflection, i.e. optical switching in an optical waveguide structure of directional coupler type
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
    • G02F2201/124—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode interdigital
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/30—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 grating
    • G02F2201/307—Reflective grating, i.e. Bragg grating
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2203/00—Function characteristic
    • G02F2203/05—Function characteristic wavelength dependent

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Integrated Circuits (AREA)
JP4244581A 1981-03-25 1981-03-25 Optical coupler Granted JPS57158616A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP4244581A JPS57158616A (en) 1981-03-25 1981-03-25 Optical coupler
US06/695,430 US4645293A (en) 1981-03-25 1985-01-28 Optical waveguide coupler having a grating electrode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4244581A JPS57158616A (en) 1981-03-25 1981-03-25 Optical coupler

Publications (2)

Publication Number Publication Date
JPS57158616A true JPS57158616A (en) 1982-09-30
JPH0234365B2 JPH0234365B2 (enrdf_load_stackoverflow) 1990-08-02

Family

ID=12636267

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4244581A Granted JPS57158616A (en) 1981-03-25 1981-03-25 Optical coupler

Country Status (1)

Country Link
JP (1) JPS57158616A (enrdf_load_stackoverflow)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4737014A (en) * 1983-05-16 1988-04-12 Mino Green Controllable optical waveguide
US4775208A (en) * 1986-06-06 1988-10-04 Polaroid Corporation Planar waveguide mode converter device
US4781425A (en) * 1986-02-18 1988-11-01 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic apparatus and method for spectrum analysis and filtering
US4832437A (en) * 1986-01-17 1989-05-23 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic inter-mode coupling single side band frequency shifter
US4832431A (en) * 1986-08-18 1989-05-23 Siemens Aktiengesellschaft Apparatus for continuous polarization and phase control
US4872738A (en) * 1986-02-18 1989-10-10 The Board Of Trustees Of The Leland Stanford Junior University Acousto-optic fiber-optic frequency shifter using periodic contact with a surface acoustic wave
JPH07181528A (ja) * 1993-12-24 1995-07-21 Nec Corp 光ノード素子
WO2000049457A1 (en) * 1999-02-16 2000-08-24 Ppm Photomask Inc. Electrically adjustable diffraction grating

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5421361A (en) * 1977-07-18 1979-02-17 Mitsubishi Electric Corp Photo switch

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5421361A (en) * 1977-07-18 1979-02-17 Mitsubishi Electric Corp Photo switch

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4737014A (en) * 1983-05-16 1988-04-12 Mino Green Controllable optical waveguide
US4832437A (en) * 1986-01-17 1989-05-23 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic inter-mode coupling single side band frequency shifter
US4781425A (en) * 1986-02-18 1988-11-01 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic apparatus and method for spectrum analysis and filtering
US4872738A (en) * 1986-02-18 1989-10-10 The Board Of Trustees Of The Leland Stanford Junior University Acousto-optic fiber-optic frequency shifter using periodic contact with a surface acoustic wave
US4775208A (en) * 1986-06-06 1988-10-04 Polaroid Corporation Planar waveguide mode converter device
US4832431A (en) * 1986-08-18 1989-05-23 Siemens Aktiengesellschaft Apparatus for continuous polarization and phase control
JPH07181528A (ja) * 1993-12-24 1995-07-21 Nec Corp 光ノード素子
WO2000049457A1 (en) * 1999-02-16 2000-08-24 Ppm Photomask Inc. Electrically adjustable diffraction grating

Also Published As

Publication number Publication date
JPH0234365B2 (enrdf_load_stackoverflow) 1990-08-02

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