JPS61203566U - - Google Patents
Info
- Publication number
- JPS61203566U JPS61203566U JP8635285U JP8635285U JPS61203566U JP S61203566 U JPS61203566 U JP S61203566U JP 8635285 U JP8635285 U JP 8635285U JP 8635285 U JP8635285 U JP 8635285U JP S61203566 U JPS61203566 U JP S61203566U
- Authority
- JP
- Japan
- Prior art keywords
- substrate
- optical waveguide
- optical
- photoelectric conversion
- optical modulator
- 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
- 230000003287 optical effect Effects 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000005693 optoelectronics Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Analogue/Digital Conversion (AREA)
Description
第１図はこの考案の実施例を示す斜視図、第２
図は出力信号波形を示す波形図である。
１０……基板、２１〜２４……マツハツエンダ
型光導波路、３１〜３４……電圧印加用電極、３
５……配線パターン、３６……光起電力素子、４
１〜４４……位相調整用電極、５０……半導体レ
ーザ、５１〜５４……光電変換素子、７１〜７４
……コンパレータ。
Figure 1 is a perspective view showing an embodiment of this invention;
The figure is a waveform diagram showing the output signal waveform. 10... Substrate, 21-24... Matsuhatsu Enda type optical waveguide, 31-34... Voltage application electrode, 3
5... Wiring pattern, 36... Photovoltaic element, 4
1-44...Phase adjustment electrode, 50...Semiconductor laser, 51-54...Photoelectric conversion element, 71-74
……comparator.
Claims (1)
波路、この光導波路に電圧を印加するための電圧
印加用電極および位相調整用電極を備えた複数の
分岐干渉型光変調器、 基板上のマツハツエンダ型光導波路に導入する
光を発生する光源、 分岐干渉型光変調器のマツハツエンダ型光導波
路から出力される光をそれぞれ電気信号に変換す
る光電変換素子、 光電変換素子の出力信号をそれぞれ所要のレベ
ルで弁別するコンパレータ、および 基板上に形成され、かつ分岐干渉型光変調器の
電圧印加用電極に接続された、アナログ光信号か
らそれに対応する起電力を発生する光起電力素子
、 を備えた光Ａ／Ｄ変換装置。[Claims for Utility Model Registration] A substrate having an electro-optical effect, a Matsuhatsu Enda type optical waveguide formed on the substrate, and a plurality of voltage application electrodes and phase adjustment electrodes for applying voltage to the optical waveguide. A branching interference optical modulator, a light source that generates light to be introduced into the Matsuhatsuenda optical waveguide on the substrate, and a photoelectric conversion element that converts the light output from the Matsuhatsuender optical waveguide of the branching interference optical modulator into electrical signals. , a comparator that discriminates the output signals of the photoelectric conversion elements at the required levels, and a corresponding electromotive force formed on the substrate and connected to the voltage application electrode of the branching interference type optical modulator from the analog optical signal. A photovoltaic element that generates a photovoltaic device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8635285U JPS61203566U (en) | 1985-06-10 | 1985-06-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8635285U JPS61203566U (en) | 1985-06-10 | 1985-06-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61203566U true JPS61203566U (en) | 1986-12-22 |
Family
ID=30637582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8635285U Pending JPS61203566U (en) | 1985-06-10 | 1985-06-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61203566U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8922410B2 (en) | 2010-05-19 | 2014-12-30 | Nec Corporation | Optical intensity-to-phase converter, mach-zehnder interferometer, optical A/D converter, and method of constructing optical intensity-to-phase converter |
| US8941519B2 (en) | 2010-12-01 | 2015-01-27 | Nec Corporation | Light intensity subtractor, optical A-D converter, and method for subtracting light intensity |
| US9052534B2 (en) | 2010-05-19 | 2015-06-09 | Nec Corporation | Optical analog-to-digital converter, method of constructing the same, optical signal demodulator, and optical modulator-demodulator |
| US9091593B2 (en) | 2010-08-09 | 2015-07-28 | Nec Corporation | Optical intensity determination unit, method of forming the same, and optical A/D converter |
-
1985
- 1985-06-10 JP JP8635285U patent/JPS61203566U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8922410B2 (en) | 2010-05-19 | 2014-12-30 | Nec Corporation | Optical intensity-to-phase converter, mach-zehnder interferometer, optical A/D converter, and method of constructing optical intensity-to-phase converter |
| US9052534B2 (en) | 2010-05-19 | 2015-06-09 | Nec Corporation | Optical analog-to-digital converter, method of constructing the same, optical signal demodulator, and optical modulator-demodulator |
| US9091593B2 (en) | 2010-08-09 | 2015-07-28 | Nec Corporation | Optical intensity determination unit, method of forming the same, and optical A/D converter |
| US8941519B2 (en) | 2010-12-01 | 2015-01-27 | Nec Corporation | Light intensity subtractor, optical A-D converter, and method for subtracting light intensity |
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