NL7803125A - IMPROVEMENTS IN OR RELATING TO INJECTION LASERS. - Google Patents

IMPROVEMENTS IN OR RELATING TO INJECTION LASERS.

Info

Publication number
NL7803125A
NL7803125A NL7803125A NL7803125A NL7803125A NL 7803125 A NL7803125 A NL 7803125A NL 7803125 A NL7803125 A NL 7803125A NL 7803125 A NL7803125 A NL 7803125A NL 7803125 A NL7803125 A NL 7803125A
Authority
NL
Netherlands
Prior art keywords
relating
injection lasers
lasers
injection
Prior art date
Application number
NL7803125A
Other languages
Dutch (nl)
Original Assignee
Post Office
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 Post Office filed Critical Post Office
Publication of NL7803125A publication Critical patent/NL7803125A/en

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
    • H01S5/06835—Stabilising during pulse modulation or generation

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Semiconductor Lasers (AREA)
  • Led Devices (AREA)
  • Lasers (AREA)
NL7803125A 1977-03-29 1978-03-23 IMPROVEMENTS IN OR RELATING TO INJECTION LASERS. NL7803125A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB13090/77A GB1563944A (en) 1977-03-29 1977-03-29 Imjection lasers

Publications (1)

Publication Number Publication Date
NL7803125A true NL7803125A (en) 1978-10-03

Family

ID=10016661

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7803125A NL7803125A (en) 1977-03-29 1978-03-23 IMPROVEMENTS IN OR RELATING TO INJECTION LASERS.

Country Status (8)

Country Link
JP (1) JPS53121590A (en)
AU (1) AU512696B2 (en)
CA (1) CA1122262A (en)
DE (1) DE2813513A1 (en)
FR (1) FR2386165B1 (en)
GB (1) GB1563944A (en)
NL (1) NL7803125A (en)
SE (1) SE446044B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0003273A1 (en) * 1978-01-20 1979-08-08 Thomson-Csf Power supply for a semiconductor light source
FR2438293A1 (en) * 1978-10-05 1980-04-30 Cselt Centro Studi Lab Telecom DRIVING METHOD AND CIRCUIT FOR NON-LINEAR THRESHOLD DEVICES

Families Citing this family (23)

* 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
DE2841433C2 (en) * 1978-09-22 1983-08-25 Siemens Ag, 1000 Berlin Und 8000 Muenchen Bias current regulation of laser diodes
FR2448274A1 (en) * 1979-02-02 1980-08-29 Thomson Csf Supply circuit for semiconductor laser or LED - protects against overload using photocurrent to control series transistor
US4375067A (en) * 1979-05-08 1983-02-22 Canon Kabushiki Kaisha Semiconductor laser device having a stabilized output beam
NL7907683A (en) * 1979-10-18 1981-04-22 Philips Nv CONTROL CHAIN FOR A LASER RATING CURRENT.
DE3153710C2 (en) * 1980-01-25 1994-06-23 Canon Kk Light output monitor from semiconductor laser
US4443695A (en) * 1980-01-25 1984-04-17 Canon Kabushiki Kaisha Apparatus for controlling the quantity of light
DE3045511C2 (en) * 1980-12-03 1984-04-26 ANT Nachrichtentechnik GmbH, 7150 Backnang Method for regulating the output signal of a semiconductor laser and circuit arrangement for carrying out this method
DE3045545C2 (en) * 1980-12-03 1984-04-26 ANT Nachrichtentechnik GmbH, 7150 Backnang Method for regulating the output signal of a semiconductor laser and circuit arrangement for carrying out this method
JPS5840878A (en) * 1981-09-04 1983-03-09 Hitachi Ltd Driving method for semiconductor laser
DE3207741A1 (en) * 1982-03-04 1984-02-02 ANT Nachrichtentechnik GmbH, 7150 Backnang Method for controlling the output signal of a semiconductor laser and a circuit arrangement for this purpose
JPS5914143A (en) * 1982-07-13 1984-01-25 Victor Co Of Japan Ltd Modulating system of semiconductor laser
JPS59146457A (en) * 1983-02-10 1984-08-22 Olympus Optical Co Ltd Automatic controller for optical output
GB2143075B (en) * 1983-05-06 1987-12-09 Coherent Inc Lasers
FR2563663B1 (en) * 1984-04-27 1994-05-20 Mitsubishi Electric Corp CONTROL DEVICE FOR A SEMICONDUCTOR LASER
JPS6116044A (en) * 1984-07-02 1986-01-24 Pioneer Electronic Corp Semiconductor laser drive circuit
JPH0821173B2 (en) * 1984-07-27 1996-03-04 松下電器産業株式会社 Semiconductor laser drive circuit
JPS63193582A (en) * 1987-02-06 1988-08-10 Ando Electric Co Ltd Laser-diode driving circuit
JPH0614570B2 (en) * 1987-04-28 1994-02-23 シャープ株式会社 Optical output stabilizing method and photodetector used in the method
JPS63313119A (en) * 1987-06-16 1988-12-21 Nec Corp Light quantity control system
US4995045A (en) * 1990-02-01 1991-02-19 Northern Telecom Limited Laser control circuit
CN106340805B (en) * 2016-07-18 2023-08-29 厦门优迅高速芯片有限公司 Double closed-loop control circuit of laser driver
US11600966B2 (en) * 2020-02-03 2023-03-07 Analog Devices International Unlimited Company Light source system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4009385A (en) * 1976-03-22 1977-02-22 Bell Telephone Laboratories, Incorporated Laser control circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0003273A1 (en) * 1978-01-20 1979-08-08 Thomson-Csf Power supply for a semiconductor light source
FR2438293A1 (en) * 1978-10-05 1980-04-30 Cselt Centro Studi Lab Telecom DRIVING METHOD AND CIRCUIT FOR NON-LINEAR THRESHOLD DEVICES

Also Published As

Publication number Publication date
AU3455178A (en) 1979-10-04
CA1122262A (en) 1982-04-20
JPS53121590A (en) 1978-10-24
FR2386165A1 (en) 1978-10-27
DE2813513A1 (en) 1978-10-05
SE446044B (en) 1986-08-04
AU512696B2 (en) 1980-10-23
GB1563944A (en) 1980-04-02
SE7803499L (en) 1978-09-30
FR2386165B1 (en) 1985-09-06

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed