JPS60104821U - light modulator - Google Patents
light modulatorInfo
- Publication number
- JPS60104821U JPS60104821U JP1983196991U JP19699183U JPS60104821U JP S60104821 U JPS60104821 U JP S60104821U JP 1983196991 U JP1983196991 U JP 1983196991U JP 19699183 U JP19699183 U JP 19699183U JP S60104821 U JPS60104821 U JP S60104821U
- Authority
- JP
- Japan
- Prior art keywords
- substrate
- optical waveguide
- electrode
- light modulator
- protective layer
- 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.)
- Granted
Links
Landscapes
- Surface Treatment Of Optical Elements (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は分岐干渉形光導波路体の一例を示す構成説明図
、第２図は本考案で用いる基板の結晶力ツ位の説明図、
第３図は本考案の一実施例の要部を示す拡大断面図であ
る。
１０・・・基板、２０・・・光導波路、３０・・・電極
、４０・・・信号源、５０・・・絶縁保護層。FIG. 1 is a configuration explanatory diagram showing an example of a branching interference type optical waveguide body, FIG. 2 is an explanatory diagram of the crystal force position of the substrate used in the present invention,
FIG. 3 is an enlarged sectional view showing essential parts of an embodiment of the present invention. DESCRIPTION OF SYMBOLS 10... Substrate, 20... Optical waveguide, 30... Electrode, 40... Signal source, 50... Insulating protective layer.
Claims (1)
トされた電気光学材料よりなる基板と、基板上に形成さ
れた光導波路と、光導波路を通過する光に電界を印加し
て強度変調するように基板上に形成された電極と、これ
ら光導波路および電、 極を覆うように基板上に形
成され基板と極性の異なる温度係数を有する絶縁保護層
とで構成されたことを特徴とする光変調装置。A substrate made of an electro-optic material cut so that the X and Z axes are horizontal planes and the Y axis is a vertical plane, an optical waveguide formed on the substrate, and an electric field applied to the light passing through the optical waveguide to increase the intensity. It is characterized by being composed of an electrode formed on a substrate so as to modulate the optical waveguide, and an insulating protective layer formed on the substrate so as to cover the optical waveguide and the electrode, and having a temperature coefficient of polarity different from that of the substrate. A light modulation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983196991U JPS60104821U (en) | 1983-12-21 | 1983-12-21 | light modulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983196991U JPS60104821U (en) | 1983-12-21 | 1983-12-21 | light modulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60104821U true JPS60104821U (en) | 1985-07-17 |
| JPH019933Y2 JPH019933Y2 (en) | 1989-03-20 |
Family
ID=30754949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983196991U Granted JPS60104821U (en) | 1983-12-21 | 1983-12-21 | light modulator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60104821U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01134423A (en) * | 1987-11-20 | 1989-05-26 | Nippon Telegr & Teleph Corp <Ntt> | Optical modulator |
| JPH0274909A (en) * | 1988-09-12 | 1990-03-14 | Yokohama Kokuritsu Univ | Optical waveguide |
| WO2000010052A1 (en) * | 1998-08-10 | 2000-02-24 | Sumitomo Osaka Cement Co., Ltd. | Light modulator of waveguide type |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5184548A (en) * | 1975-01-03 | 1976-07-23 | Raytheon Co | Hyomenonkyohasochi |
-
1983
- 1983-12-21 JP JP1983196991U patent/JPS60104821U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5184548A (en) * | 1975-01-03 | 1976-07-23 | Raytheon Co | Hyomenonkyohasochi |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01134423A (en) * | 1987-11-20 | 1989-05-26 | Nippon Telegr & Teleph Corp <Ntt> | Optical modulator |
| JPH0274909A (en) * | 1988-09-12 | 1990-03-14 | Yokohama Kokuritsu Univ | Optical waveguide |
| WO2000010052A1 (en) * | 1998-08-10 | 2000-02-24 | Sumitomo Osaka Cement Co., Ltd. | Light modulator of waveguide type |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH019933Y2 (en) | 1989-03-20 |
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