DK398486A - Apparat til amplitudemodulation af udgangssignalet fra en laserdiode eller l.e.d. - Google Patents

Apparat til amplitudemodulation af udgangssignalet fra en laserdiode eller l.e.d. Download PDF

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Publication number
DK398486A
DK398486A DK398486A DK398486A DK398486A DK 398486 A DK398486 A DK 398486A DK 398486 A DK398486 A DK 398486A DK 398486 A DK398486 A DK 398486A DK 398486 A DK398486 A DK 398486A
Authority
DK
Denmark
Prior art keywords
output signal
laser diode
amplitude modulation
modulation
amplitude
Prior art date
Application number
DK398486A
Other languages
Danish (da)
English (en)
Other versions
DK398486D0 (da
Inventor
Maurice Clifford Heard
Original Assignee
Gen Electric Co Plc
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 Gen Electric Co Plc filed Critical Gen Electric Co Plc
Publication of DK398486D0 publication Critical patent/DK398486D0/da
Publication of DK398486A publication Critical patent/DK398486A/da

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
    • H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
    • H01S5/042—Electrical excitation ; Circuits therefor
    • 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
    • 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
    • H04B10/501—Structural aspects
    • H04B10/502—LED transmitters
    • 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
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • H04B10/504—Laser transmitters using direct modulation
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/12—Controlling the intensity of the light using optical feedback
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • H05B45/56—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits involving measures to prevent abnormal temperature of the LEDs

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Semiconductor Lasers (AREA)
  • Optical Communication System (AREA)
DK398486A 1985-08-21 1986-08-21 Apparat til amplitudemodulation af udgangssignalet fra en laserdiode eller l.e.d. DK398486A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858520923A GB8520923D0 (en) 1985-08-21 1985-08-21 Amplitude modulating output of laser diode

Publications (2)

Publication Number Publication Date
DK398486D0 DK398486D0 (da) 1986-08-21
DK398486A true DK398486A (da) 1987-02-22

Family

ID=10584097

Family Applications (1)

Application Number Title Priority Date Filing Date
DK398486A DK398486A (da) 1985-08-21 1986-08-21 Apparat til amplitudemodulation af udgangssignalet fra en laserdiode eller l.e.d.

Country Status (4)

Country Link
US (1) US4797640A (de)
EP (1) EP0213784A3 (de)
DK (1) DK398486A (de)
GB (2) GB8520923D0 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE150236T1 (de) * 1990-07-03 1997-03-15 Siemens Ag Laserdiodensender
US5444564A (en) * 1994-02-09 1995-08-22 Hughes Aircraft Company Optoelectronic controlled RF matching circuit
US5500867A (en) * 1994-09-13 1996-03-19 At&T Corp. Laser package having an impedance matching transformer
GB2369730B (en) * 2001-08-30 2002-11-13 Integrated Syst Tech Ltd Illumination control system
DE102004063200B4 (de) 2004-12-23 2007-07-05 Atmel Germany Gmbh Signalverstärkungsverfahren und Verstärkeranordnung
US20090122820A1 (en) * 2005-03-06 2009-05-14 Arkadi Trestman Method Of Driving A Laser Diode
JP2016096221A (ja) * 2014-11-13 2016-05-26 住友電気工業株式会社 駆動回路
WO2026032496A1 (de) 2024-08-06 2026-02-12 Fr-Innovations Gmbh Aufsetzkamera mit lichtquelle und deren forstwirtschaftliche verwendung

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3280332A (en) * 1964-02-25 1966-10-18 Gen Telephone & Elect Ferroelectric amplifier for driving light emitting load
US3504302A (en) * 1964-09-24 1970-03-31 Gen Electric Frequency controlled semiconductor junction laser
US3341708A (en) * 1965-12-27 1967-09-12 Robert R Bilderback Amplitude modulated laser transmitter
US3551848A (en) * 1966-06-30 1970-12-29 Gen Instrument Corp Laser modulating system
US3988704A (en) * 1974-04-26 1976-10-26 Mcdonnell Douglas Corporation Broadband electrooptical modulator
FR2277492A1 (fr) * 1974-07-05 1976-01-30 Thomson Csf Dispositif de commande de diode electroluminescente et systeme de communication optique comportant un tel dispositif
GB1531263A (en) * 1975-10-24 1978-11-08 Xerox Corp Optoelectronic device
USRE31969E (en) * 1976-03-22 1985-08-13 At&T Bell Laboratories Laser control circuit
JPS5851435B2 (ja) * 1976-05-25 1983-11-16 富士通株式会社 発光素子の駆動方式
US4101847A (en) * 1976-11-01 1978-07-18 Bell Telephone Laboratories, Incorporated Laser control circuit
US4277846A (en) * 1979-12-27 1981-07-07 Bell Telephone Laboratories, Incorporated Circuit for stabilizing the output of an injection laser
DE3244056A1 (de) * 1982-11-27 1984-05-30 Philips Kommunikations Industrie AG, 8500 Nürnberg Schaltungsanordnung zur ansteuerung eines stromgesteuerten bauelements
JPS59182637A (ja) * 1983-03-31 1984-10-17 Matsushita Electric Ind Co Ltd ビデオ信号光伝送装置
DE3325420A1 (de) * 1983-07-14 1985-01-31 Telefunken electronic GmbH, 7100 Heilbronn Schaltungsanordnung zur ansteuerung von halbleiter-lasern

Also Published As

Publication number Publication date
US4797640A (en) 1989-01-10
GB8520923D0 (en) 1985-09-25
GB2179490A (en) 1987-03-04
DK398486D0 (da) 1986-08-21
EP0213784A3 (de) 1989-03-15
GB8619285D0 (en) 1986-09-17
EP0213784A2 (de) 1987-03-11

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