JPS5289943A - Photo directional coupler - Google Patents
Photo directional couplerInfo
- Publication number
- JPS5289943A JPS5289943A JP677376A JP677376A JPS5289943A JP S5289943 A JPS5289943 A JP S5289943A JP 677376 A JP677376 A JP 677376A JP 677376 A JP677376 A JP 677376A JP S5289943 A JPS5289943 A JP S5289943A
- Authority
- JP
- Japan
- Prior art keywords
- directional coupler
- photo
- photo directional
- coupling
- degree
- 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.)
- Pending
Links
Landscapes
- Optical Integrated Circuits (AREA)
Abstract
PURPOSE:To increase the degree of coupling and improve coupling characteristics by providing a thin layer on the coupling part surface of optical waveguides.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP677376A JPS5289943A (en) | 1976-01-23 | 1976-01-23 | Photo directional coupler |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP677376A JPS5289943A (en) | 1976-01-23 | 1976-01-23 | Photo directional coupler |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5289943A true JPS5289943A (en) | 1977-07-28 |
Family
ID=11647481
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP677376A Pending JPS5289943A (en) | 1976-01-23 | 1976-01-23 | Photo directional coupler |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5289943A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62172308A (en) * | 1986-01-27 | 1987-07-29 | Nippon Telegr & Teleph Corp <Ntt> | Waveguide for separating and coupling polarized light |
-
1976
- 1976-01-23 JP JP677376A patent/JPS5289943A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62172308A (en) * | 1986-01-27 | 1987-07-29 | Nippon Telegr & Teleph Corp <Ntt> | Waveguide for separating and coupling polarized light |
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