DE69007499T2 - Alternierende-Delta-Beta-Elektroden mit niedrigem Übersprechen für Richtkoppler-Schalter. - Google Patents

Alternierende-Delta-Beta-Elektroden mit niedrigem Übersprechen für Richtkoppler-Schalter.

Info

Publication number
DE69007499T2
DE69007499T2 DE69007499T DE69007499T DE69007499T2 DE 69007499 T2 DE69007499 T2 DE 69007499T2 DE 69007499 T DE69007499 T DE 69007499T DE 69007499 T DE69007499 T DE 69007499T DE 69007499 T2 DE69007499 T2 DE 69007499T2
Authority
DE
Germany
Prior art keywords
directional coupler
low crosstalk
delta beta
coupler switches
alternating
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 - Fee Related
Application number
DE69007499T
Other languages
English (en)
Other versions
DE69007499D1 (de
Inventor
Steven K Korotky
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
American Telephone and Telegraph 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 American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc
Application granted granted Critical
Publication of DE69007499D1 publication Critical patent/DE69007499D1/de
Publication of DE69007499T2 publication Critical patent/DE69007499T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
DE69007499T 1989-01-09 1990-01-03 Alternierende-Delta-Beta-Elektroden mit niedrigem Übersprechen für Richtkoppler-Schalter. Expired - Fee Related DE69007499T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/294,860 US4865408A (en) 1989-01-09 1989-01-09 Low crosstalk reversed Δβ electrodes for directional coupler switch

Publications (2)

Publication Number Publication Date
DE69007499D1 DE69007499D1 (de) 1994-04-28
DE69007499T2 true DE69007499T2 (de) 1994-09-01

Family

ID=23135260

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69007499T Expired - Fee Related DE69007499T2 (de) 1989-01-09 1990-01-03 Alternierende-Delta-Beta-Elektroden mit niedrigem Übersprechen für Richtkoppler-Schalter.

Country Status (5)

Country Link
US (1) US4865408A (de)
EP (1) EP0378300B1 (de)
JP (1) JP2701954B2 (de)
CA (1) CA2005999C (de)
DE (1) DE69007499T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2754774B2 (ja) * 1989-03-31 1998-05-20 株式会社島津製作所 導波路型光回路素子
US5004447A (en) * 1989-09-06 1991-04-02 The United States Of America As Represented By The Secretary Of The Air Force Low loss semiconductor directional coupler switches including gain method of switching light using same
US4932735A (en) * 1989-09-29 1990-06-12 Gte Laboratories Incorporated Integrated optical hybrid matrix switches with very low crosstalk
EP0463504A3 (en) * 1990-06-25 1992-08-19 Siemens Aktiengesellschaft Optical duplexer for bidirectional optical communication
FR2668615B1 (fr) * 1990-10-31 1992-12-11 France Etat Separateur de polarisations pour lumiere guidee.
US5321782A (en) * 1991-01-07 1994-06-14 Furukawa Electric Co., Ltd. Directional coupler type optical function element
CA2058777A1 (en) * 1991-01-07 1992-07-08 Hon-Ming Mak Directional coupler type optical function element
US5255334A (en) * 1991-06-03 1993-10-19 The Furukawa Electric Co., Ltd. Directional coupler type optical device and a driving method therefor
US5502781A (en) * 1995-01-25 1996-03-26 At&T Corp. Integrated optical devices utilizing magnetostrictively, electrostrictively or photostrictively induced stress
DE19549245C2 (de) * 1995-12-19 2000-02-17 Hertz Inst Heinrich Thermo-optischer Schalter
JPH10228007A (ja) * 1997-02-13 1998-08-25 Nec Corp 光導波路型電気制御可変アッティネータ
US7522784B2 (en) * 2006-02-27 2009-04-21 Jds Uniphase Corporation Asymmetric directional coupler having a reduced drive voltage
US9851506B2 (en) * 2015-06-04 2017-12-26 Elenion Technologies, Llc Back end of line process integrated optical device fabrication

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4012113A (en) * 1975-12-17 1977-03-15 Herwig Werner Kogelnik Adjustable optical switch or modulator
US4211467A (en) * 1978-01-13 1980-07-08 Bell Telephone Laboratories, Incorporated Optically-controlled two-channel integrated optical switch
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
US4243295A (en) * 1979-09-19 1981-01-06 Bell Telephone Laboratories, Incorporated Polarization-independent optical directional coupler switch/modulator
US4448479A (en) * 1981-11-16 1984-05-15 Bell Telephone Laboratories, Incorporated Traveling wave, electrooptic devices with effective velocity matching
US4711515A (en) * 1984-05-29 1987-12-08 American Telephone And Telegraph Company, At&T Bell Laboratories Electrooptic polarization multiplexer/demultiplexer

Also Published As

Publication number Publication date
JP2701954B2 (ja) 1998-01-21
EP0378300A1 (de) 1990-07-18
JPH02232632A (ja) 1990-09-14
CA2005999C (en) 1993-08-17
EP0378300B1 (de) 1994-03-23
CA2005999A1 (en) 1990-07-09
US4865408A (en) 1989-09-12
DE69007499D1 (de) 1994-04-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: BLUMBACH, KRAMER & PARTNER, 65193 WIESBADEN

8339 Ceased/non-payment of the annual fee