JPS5496243U - - Google Patents
Info
- Publication number
- JPS5496243U JPS5496243U JP1978174250U JP17425078U JPS5496243U JP S5496243 U JPS5496243 U JP S5496243U JP 1978174250 U JP1978174250 U JP 1978174250U JP 17425078 U JP17425078 U JP 17425078U JP S5496243 U JPS5496243 U JP S5496243U
- Authority
- JP
- Japan
- 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
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
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Communication System (AREA)
- Optical Integrated Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/862,456 US4185884A (en) | 1977-12-20 | 1977-12-20 | Four port optical internal reflectance switchable coupler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5496243U true JPS5496243U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1979-07-07 |
| JPS623785Y2 JPS623785Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-01-28 |
Family
ID=25338530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1978174250U Expired JPS623785Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1977-12-20 | 1978-12-19 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4185884A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
| JP (1) | JPS623785Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4471474A (en) * | 1979-09-28 | 1984-09-11 | Hughes Aircraft Company | Coupled waveguide acousto-optic hydrophone |
| US4730171A (en) * | 1986-04-28 | 1988-03-08 | Northern Telecom Limited | Optical signal modulators |
| DE3641559A1 (de) * | 1986-11-18 | 1988-05-26 | Ant Nachrichtentech | Optischer wellenleiter-schalter mit einen richtkoppler bildenden streifen-wellenleitern, der durch injektion von ladungstraegern geschaltet wird |
| FR2608783B1 (fr) * | 1986-12-23 | 1989-04-14 | Labo Electronique Physique | Element de commutation optique entre deux guides de lumiere et matrice de commutation optique formee de ces elements de commutation |
| JP2927795B2 (ja) * | 1988-03-29 | 1999-07-28 | 日本電気株式会社 | 光スイッチ |
| JP3233067B2 (ja) * | 1997-05-21 | 2001-11-26 | 日本電気株式会社 | 導波路素子及び導波路型合分波素子並びに導波路集積回路 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3589794A (en) * | 1968-08-07 | 1971-06-29 | Bell Telephone Labor Inc | Optical circuits |
| GB1437067A (en) * | 1974-08-08 | 1976-05-26 | Standard Telephones Cables Ltd | Optical waveguide couplers |
-
1977
- 1977-12-20 US US05/862,456 patent/US4185884A/en not_active Expired - Lifetime
-
1978
- 1978-12-19 JP JP1978174250U patent/JPS623785Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US4185884A (en) | 1980-01-29 |
| JPS623785Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-01-28 |