GB1559187A - Optical waveguide switch - Google Patents

Optical waveguide switch Download PDF

Info

Publication number
GB1559187A
GB1559187A GB52423/76A GB5242376A GB1559187A GB 1559187 A GB1559187 A GB 1559187A GB 52423/76 A GB52423/76 A GB 52423/76A GB 5242376 A GB5242376 A GB 5242376A GB 1559187 A GB1559187 A GB 1559187A
Authority
GB
United Kingdom
Prior art keywords
switch
parallel
waveguide
sections
phase
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
GB52423/76A
Other languages
English (en)
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of GB1559187A publication Critical patent/GB1559187A/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
    • G02F1/29—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
    • G02F2201/125—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode delta-beta

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Integrated Circuits (AREA)
GB52423/76A 1975-12-17 1976-12-15 Optical waveguide switch Expired GB1559187A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/641,649 US4012113A (en) 1975-12-17 1975-12-17 Adjustable optical switch or modulator

Publications (1)

Publication Number Publication Date
GB1559187A true GB1559187A (en) 1980-01-16

Family

ID=24573275

Family Applications (1)

Application Number Title Priority Date Filing Date
GB52423/76A Expired GB1559187A (en) 1975-12-17 1976-12-15 Optical waveguide switch

Country Status (9)

Country Link
US (1) US4012113A (enExample)
JP (1) JPS589405B2 (enExample)
BE (1) BE849385A (enExample)
CA (1) CA1059600A (enExample)
DE (1) DE2656740C2 (enExample)
FR (1) FR2335864A1 (enExample)
GB (1) GB1559187A (enExample)
IT (1) IT1065665B (enExample)
NL (1) NL190996C (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2125179A (en) * 1982-08-03 1984-02-29 Standard Telephones Cables Ltd Distributed sensors
GB2170016A (en) * 1984-12-19 1986-07-23 Plessey Co Plc Electro-optic modulator

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4142775A (en) * 1976-09-27 1979-03-06 Bell Telephone Laboratories, Incorporated Optical signal processing devices
FR2399736A1 (fr) * 1977-08-05 1979-03-02 Thomson Csf Procede de fabrication d'une structure electro-optique comportant une electrode integree et composant optoelectronique utilisant ladite structure
US4387353A (en) * 1977-09-12 1983-06-07 The United States Of America As Represented By The Secretary Of The Navy Active waveguide coupler for surface acoustic waves
US4157860A (en) * 1977-10-11 1979-06-12 Bell Telephone Laboratories, Incorporated Dual polarization electromagnetic switch and modulator
US4211467A (en) * 1978-01-13 1980-07-08 Bell Telephone Laboratories, Incorporated Optically-controlled two-channel integrated optical switch
US4146297A (en) * 1978-01-16 1979-03-27 Bell Telephone Laboratories, Incorporated Tunable optical waveguide directional coupler filter
US4291939A (en) * 1978-03-24 1981-09-29 The United States Of America As Represented By The Secretary Of The Navy Polarization-independent optical switches/modulators
US4325603A (en) * 1978-10-10 1982-04-20 Hughes Aircraft Company Electro-optic analog-to-digital converter
US4312562A (en) * 1979-02-19 1982-01-26 Ricoh Co., Ltd. Optical control device
US4262992A (en) * 1979-04-18 1981-04-21 The United States Of America As Represented By The Director Of The National Security Agency Variable integrated optical logic element
FR2465243A1 (fr) * 1979-09-06 1981-03-20 Thomson Csf Commutateur electro-optique a commande electrique et circuit optique integre comprenant un tel commutateur
US4243295A (en) * 1979-09-19 1981-01-06 Bell Telephone Laboratories, Incorporated Polarization-independent optical directional coupler switch/modulator
US4278321A (en) * 1979-09-28 1981-07-14 Bell Telephone Laboratories, Incorporated Power divider with randomly varying incremental power transfer
US4262993A (en) * 1980-01-11 1981-04-21 The United States Of America As Represented By The Secretary Of The Navy Electrooptically balanced alternating Δβ switch
US4262994A (en) * 1980-01-11 1981-04-21 Sheem Sang K Electro-optically balanced multi-piece optical waveguides
US4436365A (en) 1981-10-21 1984-03-13 Bell Telephone Laboratories, Incorporated Data link using integrated optics devices
DE3147109A1 (de) * 1981-11-27 1983-06-01 Siemens AG, 1000 Berlin und 8000 München Steueranordnung zur steuerung eines lichtschalters fuer optische signale.
US4545078A (en) * 1981-11-27 1985-10-01 Siemens Aktiengesellschaft Method and arrangement for controlling a light switch for optical signals
JPS5993431A (ja) * 1982-11-19 1984-05-29 Fujitsu Ltd 光スイツチ
SE463739B (sv) * 1983-10-10 1991-01-14 Ericsson Telefon Ab L M Foerfarande och anordning att oeka bandbredden i en hoeghastighetsmodulator
US4674829A (en) * 1983-12-12 1987-06-23 The United States Of America As Represented By The Secretary Of The Navy Polarization-independent switch with coupler spacing optimized for low voltage operation
US4667331A (en) * 1984-01-20 1987-05-19 At&T Company And At&T Bell Laboratories Composite cavity laser utilizing an intra-cavity electrooptic waveguide device
US4728168A (en) * 1984-01-20 1988-03-01 American Telephone And Telegraph Company, At&T Bell Laboratories Composite cavity laser utilizing an intra-cavity electrooptic waveguide device
US4679894A (en) * 1984-08-20 1987-07-14 Litton Systems, Inc. Electrically switched fiber optic directional coupler
SE455969B (sv) * 1984-11-19 1988-08-22 Ericsson Telefon Ab L M Optisk riktkopplare
JPH0711643B2 (ja) * 1985-06-20 1995-02-08 日本電気株式会社 光周波数変調方法
SE450173B (sv) * 1985-08-15 1987-06-09 Ericsson Telefon Ab L M Polarisationsoberoende elektrooptisk omkopplare
SE461482B (sv) * 1986-05-16 1990-02-19 Ericsson Telefon Ab L M Optoelektronisk riktkopplare med likspaenningsfri styrsignal
GB2193337B (en) * 1986-07-30 1990-03-07 Gen Electric Plc Optical switch apparatus
US4794351A (en) * 1986-09-29 1988-12-27 American Telephone And Telegraph Company, At&T Bell Laboratories Optical mixer for upconverting or downconverting an optical signal
US4787692A (en) * 1987-03-13 1988-11-29 American Telephone And Telegraph Company At&T Bell Laboratories Electro optical switch architectures
US4820009A (en) * 1987-08-13 1989-04-11 Trw Inc. Electrooptical switch and modulator
DE3883492T2 (de) * 1987-11-20 1993-12-23 Ericsson Telefon Ab L M Verfahren zur Anordnung eines polarisationsrichtenden optoelektronischen Schalters und ein Schalter dafür.
US4917451A (en) * 1988-01-19 1990-04-17 E. I. Dupont De Nemours And Company Waveguide structure using potassium titanyl phosphate
US4865408A (en) * 1989-01-09 1989-09-12 American Telephone And Telegraph Company Low crosstalk reversed Δβ electrodes for directional coupler switch
US5002353A (en) * 1989-04-25 1991-03-26 Massachusetts Institute Of Technology Apparatus and method for reducing modulator nonlinearities
US5015053A (en) * 1989-04-25 1991-05-14 Massachusetts Institute Of Technology Reduction of modulator non-linearities with independent bias angle control
US5287212A (en) * 1989-09-07 1994-02-15 Cox Charles H Optical link
US5126870A (en) * 1989-12-22 1992-06-30 Raynet Corporation Linear broadband signal generator using primary and secondary optical modulators
US5255334A (en) * 1991-06-03 1993-10-19 The Furukawa Electric Co., Ltd. Directional coupler type optical device and a driving method therefor
US6081634A (en) * 1998-09-25 2000-06-27 The United States Of America As Represented By The National Security Agency All-fiber optically-controlled optical switch
US7327913B2 (en) * 2001-09-26 2008-02-05 Celight, Inc. Coherent optical detector and coherent communication system and method
US6836573B2 (en) * 2002-09-05 2004-12-28 Fibest Kk Directional coupler type optical modulator with traveling-wave electrode
AU2003230230A1 (en) * 2003-04-30 2004-11-23 Pirelli And C.S.P.A Coupled-waveguide electro-optic switch based on polarisation conversion
US7522784B2 (en) * 2006-02-27 2009-04-21 Jds Uniphase Corporation Asymmetric directional coupler having a reduced drive voltage

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2948864A (en) * 1957-10-02 1960-08-09 Bell Telephone Labor Inc Broad-band electromagnetic wave coupler
US3408131A (en) * 1963-11-13 1968-10-29 Optics Technology Inc Apparatus for coupling and amplfying light between optical fibers
US3883220A (en) * 1973-12-10 1975-05-13 Us Navy Optical switch

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2125179A (en) * 1982-08-03 1984-02-29 Standard Telephones Cables Ltd Distributed sensors
GB2170016A (en) * 1984-12-19 1986-07-23 Plessey Co Plc Electro-optic modulator
US4722583A (en) * 1984-12-19 1988-02-02 Plessey Overseas Limited Modulators

Also Published As

Publication number Publication date
BE849385A (fr) 1977-04-01
CA1059600A (en) 1979-07-31
JPS5276049A (en) 1977-06-25
JPS589405B2 (ja) 1983-02-21
DE2656740A1 (de) 1977-06-30
US4012113A (en) 1977-03-15
IT1065665B (it) 1985-03-04
FR2335864B1 (enExample) 1982-04-23
DE2656740C2 (de) 1982-05-19
FR2335864A1 (fr) 1977-07-15
NL190996C (nl) 1994-12-01
NL190996B (nl) 1994-07-01
NL7613968A (nl) 1977-06-21

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19961214