JPS546703A - Laser equipment for optical communication - Google Patents
Laser equipment for optical communicationInfo
- Publication number
- JPS546703A JPS546703A JP7174477A JP7174477A JPS546703A JP S546703 A JPS546703 A JP S546703A JP 7174477 A JP7174477 A JP 7174477A JP 7174477 A JP7174477 A JP 7174477A JP S546703 A JPS546703 A JP S546703A
- Authority
- JP
- Japan
- Prior art keywords
- optical communication
- laser equipment
- semiconductor laser
- securing
- avoid
- 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
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
- H04B10/50—Transmitters
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Semiconductor Lasers (AREA)
Abstract
PURPOSE:To avoid the thermal impairment for the semiconductor laser by securing a cut-off state for the bias current flowing to the semiconductor laser when the peripheral temperature exceeds the prescribed effective temperature.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52071744A JPS592392B2 (en) | 1977-06-17 | 1977-06-17 | Laser equipment for optical communication |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52071744A JPS592392B2 (en) | 1977-06-17 | 1977-06-17 | Laser equipment for optical communication |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS546703A true JPS546703A (en) | 1979-01-19 |
JPS592392B2 JPS592392B2 (en) | 1984-01-18 |
Family
ID=13469329
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52071744A Expired JPS592392B2 (en) | 1977-06-17 | 1977-06-17 | Laser equipment for optical communication |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS592392B2 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58151081A (en) * | 1982-03-04 | 1983-09-08 | Matsushita Electric Ind Co Ltd | Laser power source circuit |
JPS5984491A (en) * | 1982-11-05 | 1984-05-16 | 電気化学工業株式会社 | Method of producing etched metal foil-bonded laminated board |
JPS6022747A (en) * | 1983-07-19 | 1985-02-05 | Fujitsu Ten Ltd | Protecting circuit of laser pickup |
JPS6065659A (en) * | 1983-09-21 | 1985-04-15 | Hitachi Ltd | Semiconductor laser light source device |
JP2013143759A (en) * | 2012-01-12 | 2013-07-22 | Fujitsu Ltd | Optical transmission device and optical transmission method |
JP5567176B1 (en) * | 2013-03-25 | 2014-08-06 | ミハル通信株式会社 | Semiconductor light emitting device controller |
-
1977
- 1977-06-17 JP JP52071744A patent/JPS592392B2/en not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58151081A (en) * | 1982-03-04 | 1983-09-08 | Matsushita Electric Ind Co Ltd | Laser power source circuit |
JPS5984491A (en) * | 1982-11-05 | 1984-05-16 | 電気化学工業株式会社 | Method of producing etched metal foil-bonded laminated board |
JPS6022747A (en) * | 1983-07-19 | 1985-02-05 | Fujitsu Ten Ltd | Protecting circuit of laser pickup |
JPH0527173B2 (en) * | 1983-07-19 | 1993-04-20 | Fujitsu Ten Ltd | |
JPS6065659A (en) * | 1983-09-21 | 1985-04-15 | Hitachi Ltd | Semiconductor laser light source device |
JP2013143759A (en) * | 2012-01-12 | 2013-07-22 | Fujitsu Ltd | Optical transmission device and optical transmission method |
JP5567176B1 (en) * | 2013-03-25 | 2014-08-06 | ミハル通信株式会社 | Semiconductor light emitting device controller |
Also Published As
Publication number | Publication date |
---|---|
JPS592392B2 (en) | 1984-01-18 |
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