FR2549246B1 - OPTICAL INSULATOR - Google Patents

OPTICAL INSULATOR

Info

Publication number
FR2549246B1
FR2549246B1 FR8411193A FR8411193A FR2549246B1 FR 2549246 B1 FR2549246 B1 FR 2549246B1 FR 8411193 A FR8411193 A FR 8411193A FR 8411193 A FR8411193 A FR 8411193A FR 2549246 B1 FR2549246 B1 FR 2549246B1
Authority
FR
France
Prior art keywords
optical insulator
insulator
optical
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.)
Expired
Application number
FR8411193A
Other languages
French (fr)
Other versions
FR2549246A1 (en
Inventor
Takayuki Nakano
Hidetoshi Iwamura
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.)
Nippon Telegraph and Telephone Corp
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
Priority claimed from JP12893783A external-priority patent/JPS6021023A/en
Priority claimed from JP8469084A external-priority patent/JPS60227222A/en
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Publication of FR2549246A1 publication Critical patent/FR2549246A1/en
Application granted granted Critical
Publication of FR2549246B1 publication Critical patent/FR2549246B1/en
Expired 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
    • G02F1/01—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 intensity, phase, polarisation or colour 
    • G02F1/09—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 intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect
    • G02F1/093—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 intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect used as non-reciprocal devices, e.g. optical isolators, circulators
    • 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
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
    • G02B6/4207—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms with optical elements reducing the sensitivity to optical feedback
    • G02B6/4208—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms with optical elements reducing the sensitivity to optical feedback using non-reciprocal elements or birefringent plates, i.e. quasi-isolators
    • G02B6/4209—Optical features
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR8411193A 1983-07-15 1984-07-13 OPTICAL INSULATOR Expired FR2549246B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP12893783A JPS6021023A (en) 1983-07-15 1983-07-15 Optical isolator element
JP8469084A JPS60227222A (en) 1984-04-26 1984-04-26 Optical isolator

Publications (2)

Publication Number Publication Date
FR2549246A1 FR2549246A1 (en) 1985-01-18
FR2549246B1 true FR2549246B1 (en) 1988-05-27

Family

ID=26425677

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8411193A Expired FR2549246B1 (en) 1983-07-15 1984-07-13 OPTICAL INSULATOR

Country Status (4)

Country Link
DE (1) DE3426138C2 (en)
FR (1) FR2549246B1 (en)
GB (1) GB2143337B (en)
NL (1) NL192407C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4815806A (en) * 1987-12-04 1989-03-28 Coherent, Inc. Stabilized laser fiber launcher
US4941738A (en) * 1988-07-29 1990-07-17 American Telephone And Telegraph Company Polarization independent optical amplifier apparatus
US5052786A (en) * 1990-03-05 1991-10-01 Massachusetts Institute Of Technology Broadband faraday isolator
GB9219095D0 (en) * 1992-09-09 1992-10-28 Univ Strathclyde Ring laser
JP2002162609A (en) * 2000-11-27 2002-06-07 Ando Electric Co Ltd Polarization scrambler and spectroscope

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3420601A (en) * 1965-06-24 1969-01-07 American Optical Corp Materials and structures for optical faraday rotation devices
GB1219267A (en) * 1967-06-05 1971-01-13 Mullard Ltd Magneto-optic body
SE7502770L (en) * 1974-03-12 1975-09-15 Comp Generale Electricite
US3824492A (en) * 1972-06-22 1974-07-16 United Aircraft Corp Solid state single frequency laser
US4272158A (en) * 1979-03-02 1981-06-09 Coherent, Inc. Broadband optical diode for a ring laser
JPS5649517U (en) * 1979-09-25 1981-05-01

Also Published As

Publication number Publication date
NL8402233A (en) 1985-02-01
GB2143337A (en) 1985-02-06
NL192407C (en) 1997-07-04
GB8417899D0 (en) 1984-08-15
DE3426138A1 (en) 1985-01-24
NL192407B (en) 1997-03-03
FR2549246A1 (en) 1985-01-18
GB2143337B (en) 1987-03-18
DE3426138C2 (en) 1999-07-22

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse