JPS53108397A - Modulation circuit for semiconductor laser - Google Patents

Modulation circuit for semiconductor laser

Info

Publication number
JPS53108397A
JPS53108397A JP2272477A JP2272477A JPS53108397A JP S53108397 A JPS53108397 A JP S53108397A JP 2272477 A JP2272477 A JP 2272477A JP 2272477 A JP2272477 A JP 2272477A JP S53108397 A JPS53108397 A JP S53108397A
Authority
JP
Japan
Prior art keywords
semiconductor laser
modulation circuit
waveform
establish
quality
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
JP2272477A
Other languages
Japanese (ja)
Other versions
JPS5651514B2 (en
Inventor
Katsuyuki Nagano
Minoru Maeda
Mitsuo Tanaka
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2272477A priority Critical patent/JPS53108397A/en
Priority to GB8094/78A priority patent/GB1550037A/en
Priority to DE2809234A priority patent/DE2809234C3/en
Publication of JPS53108397A publication Critical patent/JPS53108397A/en
Publication of JPS5651514B2 publication Critical patent/JPS5651514B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G06K15/12—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers
    • G06K15/1204—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers involving the fast moving of an optical beam in the main scanning direction
    • G06K15/1209—Intensity control of the optical beam
    • G06K15/1214—Intensity control of the optical beam by feedback
    • 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
    • H01S5/06832—Stabilising during amplitude modulation
    • 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
    • H01S5/06812—Stabilisation of laser output parameters by monitoring or fixing the threshold current or other specific points of the L-I or V-I characteristics

Landscapes

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

Abstract

PURPOSE: To establish the waveform of light less in harmonic distortion and high in quality, by controlling the bias current of semiconductor laser.
COPYRIGHT: (C)1978,JPO&Japio
JP2272477A 1977-03-04 1977-03-04 Modulation circuit for semiconductor laser Granted JPS53108397A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2272477A JPS53108397A (en) 1977-03-04 1977-03-04 Modulation circuit for semiconductor laser
GB8094/78A GB1550037A (en) 1977-03-04 1978-03-01 Semiconductor laser modulator circuit
DE2809234A DE2809234C3 (en) 1977-03-04 1978-03-03 Semiconductor laser modulator circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2272477A JPS53108397A (en) 1977-03-04 1977-03-04 Modulation circuit for semiconductor laser

Publications (2)

Publication Number Publication Date
JPS53108397A true JPS53108397A (en) 1978-09-21
JPS5651514B2 JPS5651514B2 (en) 1981-12-05

Family

ID=12090711

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2272477A Granted JPS53108397A (en) 1977-03-04 1977-03-04 Modulation circuit for semiconductor laser

Country Status (3)

Country Link
JP (1) JPS53108397A (en)
DE (1) DE2809234C3 (en)
GB (1) GB1550037A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1160592B (en) * 1978-08-16 1987-03-11 Cselt Centro Studi Lab Telecom PROCEDURE AND CONTROL SYSTEM OF THE EFFICIENCY OF AN ELECTRONIC DEVICE
NL7907683A (en) * 1979-10-18 1981-04-22 Philips Nv CONTROL CHAIN FOR A LASER RATING CURRENT.
DE3333247A1 (en) * 1983-09-14 1985-03-28 Siemens Ag OPTICAL TRANSMISSION SYSTEM WITH LASER CONTROL
US4558465A (en) * 1983-09-19 1985-12-10 Rca Corporation Switched bias scheme for high speed laser transmitter
EP0218449B1 (en) * 1985-09-30 1992-03-04 Kabushiki Kaisha Toshiba Apparatus for stabilizing the optical output power of a semiconductor laser
US4709416A (en) * 1986-02-24 1987-11-24 Rca Corporation Laser bias current stabilization for burst mode fiber optic communication system
US4718118A (en) * 1986-02-24 1988-01-05 Rca Corporation Transparent laser drive current update for burst mode fiber optic communication system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3898583A (en) * 1972-03-29 1975-08-05 Xerox Corp Laser stabilization technique

Also Published As

Publication number Publication date
DE2809234B2 (en) 1980-09-04
DE2809234C3 (en) 1981-04-30
DE2809234A1 (en) 1978-09-07
JPS5651514B2 (en) 1981-12-05
GB1550037A (en) 1979-08-08

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