JPS546703A - Laser equipment for optical communication - Google Patents

Laser equipment for optical communication

Info

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
Application number
JP7174477A
Other languages
Japanese (ja)
Other versions
JPS592392B2 (en
Inventor
Kumio Kasahara
Munehiko Nagano
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP52071744A priority Critical patent/JPS592392B2/en
Publication of JPS546703A publication Critical patent/JPS546703A/en
Publication of JPS592392B2 publication Critical patent/JPS592392B2/en
Expired legal-status Critical Current

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.
JP52071744A 1977-06-17 1977-06-17 Laser equipment for optical communication Expired JPS592392B2 (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (7)

* Cited by examiner, † Cited by third party
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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