FR2475239A1 - - Google Patents

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Publication number
FR2475239A1
FR2475239A1 FR8100809A FR8100809A FR2475239A1 FR 2475239 A1 FR2475239 A1 FR 2475239A1 FR 8100809 A FR8100809 A FR 8100809A FR 8100809 A FR8100809 A FR 8100809A FR 2475239 A1 FR2475239 A1 FR 2475239A1
Authority
FR
France
Prior art keywords
refractive index
region
layer
waveguide layer
optical waveguide
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
FR8100809A
Other languages
English (en)
French (fr)
Other versions
FR2475239B1 (en, 2012
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 JP347480A external-priority patent/JPS56101109A/ja
Priority claimed from JP5917980A external-priority patent/JPS56155905A/ja
Priority claimed from JP7686180A external-priority patent/JPS574010A/ja
Priority claimed from JP13876680A external-priority patent/JPS5763501A/ja
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Publication of FR2475239A1 publication Critical patent/FR2475239A1/fr
Application granted granted Critical
Publication of FR2475239B1 publication Critical patent/FR2475239B1/fr
Expired 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
    • G02B6/35—Optical coupling means having switching means
    • G02B6/3536—Optical coupling means having switching means involving evanescent coupling variation, e.g. by a moving element such as a membrane which changes the effective refractive index
    • 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
    • G02F1/315—Digital deflection, i.e. optical switching based on the use of controlled internal reflection
    • 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
    • G02B6/35—Optical coupling means having switching means
    • G02B6/354—Switching arrangements, i.e. number of input/output ports and interconnection types
    • G02B6/3544—2D constellations, i.e. with switching elements and switched beams located in a plane
    • G02B6/3546—NxM switch, i.e. a regular array of switches elements of matrix type constellation
    • 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
    • G02B6/35—Optical coupling means having switching means
    • G02B6/3564—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details
    • G02B6/3568—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details characterised by the actuating force
    • G02B6/3574—Mechanical force, e.g. pressure variations
    • 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
    • G02B6/35—Optical coupling means having switching means
    • G02B6/3564—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details
    • G02B6/3568—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details characterised by the actuating force
    • G02B6/3578—Piezoelectric force
    • 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
    • G02B6/35—Optical coupling means having switching means
    • G02B6/3596—With planar waveguide arrangement, i.e. in a substrate, regardless if actuating mechanism is outside the substrate

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Optical Integrated Circuits (AREA)
FR8100809A 1980-01-18 1981-01-16 Expired FR2475239B1 (en, 2012)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP347480A JPS56101109A (en) 1980-01-18 1980-01-18 Thin film type light deflecting element
JP5917980A JPS56155905A (en) 1980-05-02 1980-05-02 Thin-film type optical switch
JP7686180A JPS574010A (en) 1980-06-07 1980-06-07 Thin film optical switch circuit
JP13876680A JPS5763501A (en) 1980-10-06 1980-10-06 Thin film type optical switch

Publications (2)

Publication Number Publication Date
FR2475239A1 true FR2475239A1 (en, 2012) 1981-08-07
FR2475239B1 FR2475239B1 (en, 2012) 1984-01-06

Family

ID=27453874

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8100809A Expired FR2475239B1 (en, 2012) 1980-01-18 1981-01-16

Country Status (6)

Country Link
US (1) US4365862A (en, 2012)
CA (1) CA1155934A (en, 2012)
DE (1) DE3101415A1 (en, 2012)
FR (1) FR2475239B1 (en, 2012)
GB (1) GB2070271B (en, 2012)
NL (1) NL185037C (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2561403A1 (fr) * 1984-03-13 1985-09-20 Thomson Csf Mat Tel Commutateur optique

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4585301A (en) * 1985-04-23 1986-04-29 Utah State Universtiy Foundation Optically actuated optical switch apparatus and methods
GB8516108D0 (en) * 1985-06-26 1985-07-31 Gen Electric Co Plc Optical switch
GB8606154D0 (en) * 1986-03-12 1986-04-16 Gen Electric Co Plc Optical switch structure
KR0153860B1 (ko) * 1995-06-24 1998-10-15 윤덕용 광결합기 2 x 2 광스위치 및 그를 이용한 광스위칭 방법
JPH1138241A (ja) * 1997-07-14 1999-02-12 Tomoegawa Paper Co Ltd フレキシブル光導波路素子及びその製造方法
WO2001063351A1 (en) 2000-02-22 2001-08-30 Light Management Group Inc. Acousto-optical switch for fiber optic lines
DE10129923C1 (de) * 2001-06-21 2003-02-27 Inst Mikrotechnik Mainz Gmbh Optische Schalteinrichtung
JP3973458B2 (ja) * 2002-03-15 2007-09-12 三菱電機株式会社 光スイッチ
DE10248867B4 (de) * 2002-10-18 2009-01-22 Daimler Ag Optischer Schalter
GB2409515A (en) * 2003-12-24 2005-06-29 Nokia Corp Analogue navigation device utilising differing refractive indices
CN106494312B (zh) * 2016-12-09 2023-02-07 重庆平步青云汽车配件有限公司 后视镜防撞用安全机构
US11754785B2 (en) * 2021-08-20 2023-09-12 The Government Of The United States Of America, As Represented By The Secretary Of The Navy Methods and apparatuses for optical mode conversion

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3589794A (en) * 1968-08-07 1971-06-29 Bell Telephone Labor Inc Optical circuits
US4013000A (en) * 1975-11-20 1977-03-22 Bell Telephone Laboratories, Incorporated Optical crossbar switching network

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3899235A (en) * 1974-03-11 1975-08-12 Bell Telephone Labor Inc Slab-coupled optical waveguide
US3918794A (en) * 1974-11-29 1975-11-11 Us Navy Liquid crystal optical switch coupler
US3969016A (en) * 1975-05-09 1976-07-13 Bell Telephone Laboratories, Incorporated Low dispersion optical fiber wave guiding structures with periodically deformed waveguide axis
US4004249A (en) * 1976-01-22 1977-01-18 General Motors Corporation Optical waveguide laser pumped by guided electromagnetic wave
GB1485104A (en) * 1976-05-06 1977-09-08 Standard Telephones Cables Ltd Fibre optic switch arrangement

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3589794A (en) * 1968-08-07 1971-06-29 Bell Telephone Labor Inc Optical circuits
US4013000A (en) * 1975-11-20 1977-03-22 Bell Telephone Laboratories, Incorporated Optical crossbar switching network

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
APPLIED OPTICS, vol. 18, no. 2, janvier 1979, New York (US) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2561403A1 (fr) * 1984-03-13 1985-09-20 Thomson Csf Mat Tel Commutateur optique
EP0159226A1 (fr) * 1984-03-13 1985-10-23 Thomson-Csf Telephone Commutateur optique

Also Published As

Publication number Publication date
NL8100175A (nl) 1981-08-17
DE3101415C2 (en, 2012) 1989-07-06
GB2070271A (en) 1981-09-03
NL185037C (nl) 1990-01-02
DE3101415A1 (de) 1981-11-26
FR2475239B1 (en, 2012) 1984-01-06
CA1155934A (en) 1983-10-25
GB2070271B (en) 1983-11-23
NL185037B (nl) 1989-08-01
US4365862A (en) 1982-12-28

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Legal Events

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