JPS5381097A - Semiconductor laser device - Google Patents
Semiconductor laser deviceInfo
- Publication number
- JPS5381097A JPS5381097A JP15651876A JP15651876A JPS5381097A JP S5381097 A JPS5381097 A JP S5381097A JP 15651876 A JP15651876 A JP 15651876A JP 15651876 A JP15651876 A JP 15651876A JP S5381097 A JPS5381097 A JP S5381097A
- Authority
- JP
- Japan
- Prior art keywords
- semiconductor laser
- laser device
- narrowing
- frequency band
- provide protection
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/068—Stabilisation of laser output parameters
- H01S5/06825—Protecting the laser, e.g. during switch-on/off, detection of malfunctioning or degradation
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Semiconductor Lasers (AREA)
- Led Devices (AREA)
Abstract
PURPOSE:To provide protection from surge voltage by tunnel diodes directly added to a semiconductor laser without narrowing at all the frequency band that can be directly modulated.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15651876A JPS5381097A (en) | 1976-12-27 | 1976-12-27 | Semiconductor laser device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15651876A JPS5381097A (en) | 1976-12-27 | 1976-12-27 | Semiconductor laser device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5381097A true JPS5381097A (en) | 1978-07-18 |
Family
ID=15629526
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15651876A Pending JPS5381097A (en) | 1976-12-27 | 1976-12-27 | Semiconductor laser device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5381097A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5818988A (en) * | 1981-07-28 | 1983-02-03 | Toshiba Corp | Driving device for semiconductor laser |
JPS58161157A (en) * | 1982-03-19 | 1983-09-24 | Hitachi Ltd | Driving device of semiconductor laser |
JPS58206181A (en) * | 1982-05-26 | 1983-12-01 | Hitachi Ltd | Protective circuit for laser diode |
-
1976
- 1976-12-27 JP JP15651876A patent/JPS5381097A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5818988A (en) * | 1981-07-28 | 1983-02-03 | Toshiba Corp | Driving device for semiconductor laser |
JPS58161157A (en) * | 1982-03-19 | 1983-09-24 | Hitachi Ltd | Driving device of semiconductor laser |
JPS58206181A (en) * | 1982-05-26 | 1983-12-01 | Hitachi Ltd | Protective circuit for laser diode |
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