JPS6225300B2 - - Google Patents
Info
- Publication number
- JPS6225300B2 JPS6225300B2 JP56168544A JP16854481A JPS6225300B2 JP S6225300 B2 JPS6225300 B2 JP S6225300B2 JP 56168544 A JP56168544 A JP 56168544A JP 16854481 A JP16854481 A JP 16854481A JP S6225300 B2 JPS6225300 B2 JP S6225300B2
- Authority
- JP
- Japan
- Prior art keywords
- semiconductor laser
- output
- current
- circuit
- modulation signal
- 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.)
- Expired
Links
- 239000004065 semiconductor Substances 0.000 claims description 105
- 239000013307 optical fiber Substances 0.000 claims description 64
- 230000010287 polarization Effects 0.000 claims description 33
- 238000004891 communication Methods 0.000 claims description 19
- 230000006866 deterioration Effects 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 15
- 230000003287 optical effect Effects 0.000 description 14
- 238000000034 method Methods 0.000 description 6
- 230000010355 oscillation Effects 0.000 description 6
- 238000005253 cladding Methods 0.000 description 5
- 229910021532 Calcite Inorganic materials 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/03—Arrangements for fault recovery
- H04B10/032—Arrangements for fault recovery using working and protection systems
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56168544A JPS5870651A (ja) | 1981-10-23 | 1981-10-23 | 光フアイバ通信装置用送信装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56168544A JPS5870651A (ja) | 1981-10-23 | 1981-10-23 | 光フアイバ通信装置用送信装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5870651A JPS5870651A (ja) | 1983-04-27 |
| JPS6225300B2 true JPS6225300B2 (no) | 1987-06-02 |
Family
ID=15869977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56168544A Granted JPS5870651A (ja) | 1981-10-23 | 1981-10-23 | 光フアイバ通信装置用送信装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5870651A (no) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57112708A (en) * | 1980-12-29 | 1982-07-13 | Fujitsu Ltd | Optical coupling device |
-
1981
- 1981-10-23 JP JP56168544A patent/JPS5870651A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57112708A (en) * | 1980-12-29 | 1982-07-13 | Fujitsu Ltd | Optical coupling device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5870651A (ja) | 1983-04-27 |
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