DE69007499D1 - 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
- DE69007499D1 DE69007499D1 DE90300063T DE69007499T DE69007499D1 DE 69007499 D1 DE69007499 D1 DE 69007499D1 DE 90300063 T DE90300063 T DE 90300063T DE 69007499 T DE69007499 T DE 69007499T DE 69007499 D1 DE69007499 D1 DE 69007499D1
- 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
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)
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 true DE69007499D1 (de) | 1994-04-28 |
DE69007499T2 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)
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)
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 |
-
1989
- 1989-01-09 US US07/294,860 patent/US4865408A/en not_active Expired - Lifetime
- 1989-12-19 CA CA002005999A patent/CA2005999C/en not_active Expired - Lifetime
-
1990
- 1990-01-03 EP EP90300063A patent/EP0378300B1/de not_active Expired - Lifetime
- 1990-01-03 DE DE69007499T patent/DE69007499T2/de not_active Expired - Fee Related
- 1990-01-09 JP JP2001158A patent/JP2701954B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0378300B1 (de) | 1994-03-23 |
CA2005999A1 (en) | 1990-07-09 |
CA2005999C (en) | 1993-08-17 |
JP2701954B2 (ja) | 1998-01-21 |
DE69007499T2 (de) | 1994-09-01 |
EP0378300A1 (de) | 1990-07-18 |
JPH02232632A (ja) | 1990-09-14 |
US4865408A (en) | 1989-09-12 |
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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 |