JPS6156630U - - Google Patents
Info
- Publication number
- JPS6156630U JPS6156630U JP11827585U JP11827585U JPS6156630U JP S6156630 U JPS6156630 U JP S6156630U JP 11827585 U JP11827585 U JP 11827585U JP 11827585 U JP11827585 U JP 11827585U JP S6156630 U JPS6156630 U JP S6156630U
- Authority
- JP
- Japan
- Prior art keywords
- single mode
- mode optical
- electro
- optic crystal
- electrodes
- 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
- 239000013078 crystal Substances 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 6
- 239000013307 optical fiber Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Light Guides In General And Applications Therefor (AREA)
Description
第１図は従来の光位相変調器の構成図、第２図
は本考案者の提案した光位相変調器の一例を示す
構成図、第３図は本考案の微小光位相変調器の基
本的構成を示す図、第４図Ａは本考案の実施例を
示す構成図、第４図Ｂは第４図Ａの微小光位相変
調器の断面図である。
１…レーザ光線、２，１２…電気光学結晶、３
，３′，１３，１３′，２３，２３′，３３，３
３′…電極、４，４′，１４，１４′…単一モー
ド光フアイバ、５…凸レンズ、６，１６……電源
、７，７′，１７，１７′…コア、２２，３２…
電気光学結晶薄片、３８…接続用Ｖ溝、３９…Ｖ
溝基板、ｌ…電気光学結晶内の光線通過距離、ｄ
…電気光学結晶の電極間距離。
Fig. 1 is a block diagram of a conventional optical phase modulator, Fig. 2 is a block diagram showing an example of the optical phase modulator proposed by the present inventor, and Fig. 3 is a basic diagram of the microscopic optical phase modulator of the present invention. FIG. 4A is a block diagram showing an embodiment of the present invention, and FIG. 4B is a sectional view of the minute optical phase modulator shown in FIG. 4A. 1... Laser beam, 2, 12... Electro-optic crystal, 3
,3',13,13',23,23',33,3
3'... Electrode, 4, 4', 14, 14'... Single mode optical fiber, 5... Convex lens, 6, 16... Power supply, 7, 7', 17, 17'... Core, 22, 32...
Electro-optic crystal thin piece, 38...V groove for connection, 39...V
Groove substrate, l...Light ray passage distance in electro-optic crystal, d
...Distance between electrodes of electro-optic crystal.
Claims (1)
て対向させた第１および第２の単一モード光フア
イバと、該Ｖ溝に適合した形状となし、光の進行
方向の厚さを十分な光位相変調効界の得られるよ
うに１２０μｍ以下に定め、前記第１と第２の単
一モード光フアイバの端部間に設置された電気光
学晶薄片を有し、該光学結晶薄片の両端面に電極
を配置し、該電極間に印加される電圧に応じて、
前記第１単一モード光フアイバから、前記第２単
一モード光フアイバに入射する光の位相を変調す
るようにしたことを特徴とする微小光位相変調器
。 First and second single mode optical fibers are arranged so that their respective ends are aligned in the same V-groove and face each other, and the shape is adapted to the V-groove, and the thickness in the direction of light propagation is adjusted. An electro-optic crystal thin piece is provided between the ends of the first and second single mode optical fibers, and the thickness is determined to be 120 μm or less so as to obtain a sufficient optical phase modulation effect, and the electro-optic crystal thin piece is Electrodes are placed on both end faces, and depending on the voltage applied between the electrodes,
A micro optical phase modulator, characterized in that the phase of light incident on the second single mode optical fiber from the first single mode optical fiber is modulated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11827585U JPS6156630U (en) | 1985-08-01 | 1985-08-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11827585U JPS6156630U (en) | 1985-08-01 | 1985-08-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6156630U true JPS6156630U (en) | 1986-04-16 |
Family
ID=30677166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11827585U Pending JPS6156630U (en) | 1985-08-01 | 1985-08-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6156630U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5188043A (en) * | 1975-01-30 | 1976-08-02 | ||
| JPS5390950A (en) * | 1977-01-19 | 1978-08-10 | Nec Corp | Variable light attenuator |
| JPS54150993A (en) * | 1978-05-18 | 1979-11-27 | Thomson Csf | Semiconductor laser |
-
1985
- 1985-08-01 JP JP11827585U patent/JPS6156630U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5188043A (en) * | 1975-01-30 | 1976-08-02 | ||
| JPS5390950A (en) * | 1977-01-19 | 1978-08-10 | Nec Corp | Variable light attenuator |
| JPS54150993A (en) * | 1978-05-18 | 1979-11-27 | Thomson Csf | Semiconductor laser |
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