JPS5758106A - Optical isolator - Google Patents

Optical isolator

Info

Publication number
JPS5758106A
JPS5758106A JP13336880A JP13336880A JPS5758106A JP S5758106 A JPS5758106 A JP S5758106A JP 13336880 A JP13336880 A JP 13336880A JP 13336880 A JP13336880 A JP 13336880A JP S5758106 A JPS5758106 A JP S5758106A
Authority
JP
Japan
Prior art keywords
optical waveguide
substrate
covered
crystal layer
layer
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
JP13336880A
Other languages
English (en)
Inventor
Yoshinori Oota
Masahiko Fujiwara
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP13336880A priority Critical patent/JPS5758106A/ja
Publication of JPS5758106A publication Critical patent/JPS5758106A/ja
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 intensity, phase, polarisation or colour 
    • G02F1/09Devices 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 intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect
    • G02F1/095Devices 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 intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect in an optical waveguide structure
    • G02F1/0955Devices 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 intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect in an optical waveguide structure used as non-reciprocal devices, e.g. optical isolators, circulators

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Integrated Circuits (AREA)
JP13336880A 1980-09-25 1980-09-25 Optical isolator Pending JPS5758106A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13336880A JPS5758106A (en) 1980-09-25 1980-09-25 Optical isolator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13336880A JPS5758106A (en) 1980-09-25 1980-09-25 Optical isolator

Publications (1)

Publication Number Publication Date
JPS5758106A true JPS5758106A (en) 1982-04-07

Family

ID=15103084

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13336880A Pending JPS5758106A (en) 1980-09-25 1980-09-25 Optical isolator

Country Status (1)

Country Link
JP (1) JPS5758106A (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61156205A (ja) * 1984-12-28 1986-07-15 Nec Corp 光電気複合回路
FR2614999A1 (fr) * 1987-05-04 1988-11-10 Thomson Csf Guide d'onde optique bidimensionnel monomode ferrimagnetique, son procede de fabrication, et son utilisation dans un isolateur optique integre
US4858649A (en) * 1986-09-09 1989-08-22 Hitachi Construction Machinery Co., Ltd. Valve apparatus
JPH02139502A (ja) * 1988-11-21 1990-05-29 Matsushita Electric Ind Co Ltd 光アイソレータと磁気光学素子と光集積回路と磁気光学素子の製造方法と光集積回路の製造方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61156205A (ja) * 1984-12-28 1986-07-15 Nec Corp 光電気複合回路
US4858649A (en) * 1986-09-09 1989-08-22 Hitachi Construction Machinery Co., Ltd. Valve apparatus
FR2614999A1 (fr) * 1987-05-04 1988-11-10 Thomson Csf Guide d'onde optique bidimensionnel monomode ferrimagnetique, son procede de fabrication, et son utilisation dans un isolateur optique integre
JPH02139502A (ja) * 1988-11-21 1990-05-29 Matsushita Electric Ind Co Ltd 光アイソレータと磁気光学素子と光集積回路と磁気光学素子の製造方法と光集積回路の製造方法

Similar Documents

Publication Publication Date Title
JPS57169996A (en) Magnetooptic storage element
US5815610A (en) Optical modulation system
JPS5758106A (en) Optical isolator
JPS5778613A (en) Thin film magnetic head and its manufacture
GB1418346A (en) Optical isolator
JPS5766549A (en) Magnetooptical storage element
US5519467A (en) Optical isolator device capable of preventing optical axis from inclining by deformation of adhesive
NZ232108A (en) Semiconductor laser amplifier
JPS6488402A (en) Optical waveguide device
JPS57212642A (en) Recording medium
JPS5616950A (en) Optical information read-in unit
JPS5331105A (en) Information recording member
JPS5778018A (en) Waveguide type rotating element
JPS53106152A (en) Integrated taper type optical conjunction device and preparation therefor
JPS57138064A (en) Optical disc medium
JPS57182719A (en) Optical switch
JPS59142504A (ja) 光ガイド形アイソレ−タ
JPS57170585A (en) Semiconductor laser device
JPS5749917A (en) Epitaxial-film faraday rotator
JPS5545070A (en) Focusing type optical transmission body array
JPS57163207A (en) Substrate for optical circuit
JPS57169945A (en) Optical magnetic disc
JPS5288354A (en) Optical waveguide device
JPS57190909A (en) Waveguide element and its manufacture
JPS55163640A (en) Magnetic/optical memory element