JPS51116689A - Semiconductor laser device - Google Patents
Semiconductor laser deviceInfo
- Publication number
- JPS51116689A JPS51116689A JP4171975A JP4171975A JPS51116689A JP S51116689 A JPS51116689 A JP S51116689A JP 4171975 A JP4171975 A JP 4171975A JP 4171975 A JP4171975 A JP 4171975A JP S51116689 A JPS51116689 A JP S51116689A
- Authority
- JP
- Japan
- Prior art keywords
- semiconductor laser
- laser device
- laser
- isolator
- photo
- 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
Landscapes
- Semiconductor Lasers (AREA)
Abstract
PURPOSE: To reduce noise by inserting a photo-isolator between a modulation laser and an injection laser.
COPYRIGHT: (C)1976,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4171975A JPS51116689A (en) | 1975-04-05 | 1975-04-05 | Semiconductor laser device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4171975A JPS51116689A (en) | 1975-04-05 | 1975-04-05 | Semiconductor laser device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS51116689A true JPS51116689A (en) | 1976-10-14 |
JPS5742991B2 JPS5742991B2 (en) | 1982-09-11 |
Family
ID=12616220
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4171975A Granted JPS51116689A (en) | 1975-04-05 | 1975-04-05 | Semiconductor laser device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS51116689A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5643787A (en) * | 1979-09-17 | 1981-04-22 | Nippon Telegr & Teleph Corp <Ntt> | Semiconductor laser beam isolator |
JPS5664487A (en) * | 1979-10-29 | 1981-06-01 | Nec Corp | Light transmitting section |
JPS5717190A (en) * | 1980-07-04 | 1982-01-28 | Nippon Telegr & Teleph Corp <Ntt> | Transmitter for optical communication using semiconductor laser |
JPS5889966U (en) * | 1981-12-12 | 1983-06-17 | 日本電気株式会社 | Semiconductor laser device with optical isolator |
JPH01292876A (en) * | 1988-05-20 | 1989-11-27 | Nec Corp | Semiconductor laser module |
-
1975
- 1975-04-05 JP JP4171975A patent/JPS51116689A/en active Granted
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5643787A (en) * | 1979-09-17 | 1981-04-22 | Nippon Telegr & Teleph Corp <Ntt> | Semiconductor laser beam isolator |
JPS5664487A (en) * | 1979-10-29 | 1981-06-01 | Nec Corp | Light transmitting section |
JPS5717190A (en) * | 1980-07-04 | 1982-01-28 | Nippon Telegr & Teleph Corp <Ntt> | Transmitter for optical communication using semiconductor laser |
JPS5889966U (en) * | 1981-12-12 | 1983-06-17 | 日本電気株式会社 | Semiconductor laser device with optical isolator |
JPH01292876A (en) * | 1988-05-20 | 1989-11-27 | Nec Corp | Semiconductor laser module |
Also Published As
Publication number | Publication date |
---|---|
JPS5742991B2 (en) | 1982-09-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS51115775A (en) | Semiconductor apparatus | |
JPS51136208A (en) | Voice recognition device for limited words | |
JPS51116689A (en) | Semiconductor laser device | |
JPS5222885A (en) | Transistor and manufacturing system | |
JPS5381044A (en) | Variable impedance circuit | |
JPS5228868A (en) | Semiconductor device | |
JPS5221574A (en) | Vacuum multiplying force device | |
JPS51133805A (en) | Fan | |
JPS51146190A (en) | Diode circuit | |
JPS51133806A (en) | Blower | |
JPS5312303A (en) | Record player | |
JPS52143186A (en) | Taping device | |
JPS51135367A (en) | Semiconductor device | |
JPS5351425A (en) | Voltage raise circuit | |
JPS51140479A (en) | Semiconductor device | |
JPS5410689A (en) | Semiconductor laser device and its production | |
JPS5214113A (en) | Shaft engine | |
JPS5425170A (en) | Semiconductor device | |
JPS5420221A (en) | Fuel injection device | |
JPS5274252A (en) | Noise simulator | |
JPS51144725A (en) | An algicide | |
JPS5295640A (en) | N-(diphenylphosphonomethyl)aminoacetonitrile | |
JPS51120855A (en) | Hair treating device | |
JPS5332642A (en) | Timing generating circuit | |
JPS51130044A (en) | Door check device |