JPS51147984A - Method of stabilizing the outputs of semiconductor lasers - Google Patents

Method of stabilizing the outputs of semiconductor lasers

Info

Publication number
JPS51147984A
JPS51147984A JP50072221A JP7222175A JPS51147984A JP S51147984 A JPS51147984 A JP S51147984A JP 50072221 A JP50072221 A JP 50072221A JP 7222175 A JP7222175 A JP 7222175A JP S51147984 A JPS51147984 A JP S51147984A
Authority
JP
Japan
Prior art keywords
stabilizing
outputs
semiconductor lasers
average value
detection
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
JP50072221A
Other languages
Japanese (ja)
Other versions
JPS5625034B2 (en
Inventor
Takashi Toge
Noboru Sonetsuji
Matazo Yamagata
Kosei Senbon
Yoshiichiro Inamura
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.)
Fujitsu Ltd
Nippon Telegraph and Telephone Corp
Original Assignee
Fujitsu Ltd
Nippon Telegraph and Telephone 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 Fujitsu Ltd, Nippon Telegraph and Telephone Corp filed Critical Fujitsu Ltd
Priority to JP50072221A priority Critical patent/JPS51147984A/en
Publication of JPS51147984A publication Critical patent/JPS51147984A/en
Publication of JPS5625034B2 publication Critical patent/JPS5625034B2/ja
Granted legal-status Critical Current

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
    • H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Semiconductor Lasers (AREA)
  • Optical Communication System (AREA)

Abstract

PURPOSE:To simplify the circuit construction by the detection of the semiconductor laser outputs according to the average value detection, and to prevent the misoperation in the average value detection when the mark ratio is varied.
JP50072221A 1975-06-14 1975-06-14 Method of stabilizing the outputs of semiconductor lasers Granted JPS51147984A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50072221A JPS51147984A (en) 1975-06-14 1975-06-14 Method of stabilizing the outputs of semiconductor lasers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50072221A JPS51147984A (en) 1975-06-14 1975-06-14 Method of stabilizing the outputs of semiconductor lasers

Publications (2)

Publication Number Publication Date
JPS51147984A true JPS51147984A (en) 1976-12-18
JPS5625034B2 JPS5625034B2 (en) 1981-06-10

Family

ID=13482963

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50072221A Granted JPS51147984A (en) 1975-06-14 1975-06-14 Method of stabilizing the outputs of semiconductor lasers

Country Status (1)

Country Link
JP (1) JPS51147984A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58100479A (en) * 1981-12-11 1983-06-15 Oki Electric Ind Co Ltd Control circuit for optical output of laser-diode
US4577320A (en) * 1983-02-10 1986-03-18 Olympus Optical Co., Ltd. Light power controlling apparatus
JPS61224385A (en) * 1985-03-29 1986-10-06 Nec Corp Semiconductor laser drive circuit
US4621376A (en) * 1983-04-28 1986-11-04 Kabushiki Kaisha Toshiba Driving apparatus for stabilizing burst light output
JPH022226A (en) * 1988-06-10 1990-01-08 Fujitsu Ltd Optical output stabilizing circuit
JPH0541555A (en) * 1991-08-02 1993-02-19 Nec Corp Automatic optical output control circuit

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57148065A (en) * 1981-03-10 1982-09-13 Suzuki Motor Co Ltd Ignition timing control device for engine with supercharger

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58100479A (en) * 1981-12-11 1983-06-15 Oki Electric Ind Co Ltd Control circuit for optical output of laser-diode
US4577320A (en) * 1983-02-10 1986-03-18 Olympus Optical Co., Ltd. Light power controlling apparatus
US4621376A (en) * 1983-04-28 1986-11-04 Kabushiki Kaisha Toshiba Driving apparatus for stabilizing burst light output
JPS61224385A (en) * 1985-03-29 1986-10-06 Nec Corp Semiconductor laser drive circuit
JPH022226A (en) * 1988-06-10 1990-01-08 Fujitsu Ltd Optical output stabilizing circuit
JPH0541555A (en) * 1991-08-02 1993-02-19 Nec Corp Automatic optical output control circuit

Also Published As

Publication number Publication date
JPS5625034B2 (en) 1981-06-10

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