JPS51116689A - Semiconductor laser device - Google Patents

Semiconductor laser device

Info

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
Application number
JP4171975A
Other languages
Japanese (ja)
Other versions
JPS5742991B2 (en
Inventor
Isao Kobayashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP4171975A priority Critical patent/JPS51116689A/en
Publication of JPS51116689A publication Critical patent/JPS51116689A/en
Publication of JPS5742991B2 publication Critical patent/JPS5742991B2/ja
Granted legal-status Critical Current

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
JP4171975A 1975-04-05 1975-04-05 Semiconductor laser device Granted JPS51116689A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (5)

* Cited by examiner, † Cited by third party
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

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