GB1565764A - Optical fibre digital transmission systems - Google Patents

Optical fibre digital transmission systems Download PDF

Info

Publication number
GB1565764A
GB1565764A GB424878A GB424878A GB1565764A GB 1565764 A GB1565764 A GB 1565764A GB 424878 A GB424878 A GB 424878A GB 424878 A GB424878 A GB 424878A GB 1565764 A GB1565764 A GB 1565764A
Authority
GB
United Kingdom
Prior art keywords
modulation
diode
laser diode
output
threshold
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.)
Expired
Application number
GB424878A
Other languages
English (en)
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.)
STC PLC
Original Assignee
Standard Telephone and Cables 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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB424878A priority Critical patent/GB1565764A/en
Priority to DE19792902789 priority patent/DE2902789A1/de
Priority to AU43675/79A priority patent/AU4367579A/en
Publication of GB1565764A publication Critical patent/GB1565764A/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
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • H04B10/504—Laser transmitters using direct 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
    • H04B10/564—Power control

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)
GB424878A 1978-02-02 1978-02-02 Optical fibre digital transmission systems Expired GB1565764A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB424878A GB1565764A (en) 1978-02-02 1978-02-02 Optical fibre digital transmission systems
DE19792902789 DE2902789A1 (de) 1978-02-02 1979-01-25 Sender fuer optische nachrichtenuebertragungssysteme
AU43675/79A AU4367579A (en) 1978-02-02 1979-01-25 An optical communication system transmitter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB424878A GB1565764A (en) 1978-02-02 1978-02-02 Optical fibre digital transmission systems

Publications (1)

Publication Number Publication Date
GB1565764A true GB1565764A (en) 1980-04-23

Family

ID=9773534

Family Applications (1)

Application Number Title Priority Date Filing Date
GB424878A Expired GB1565764A (en) 1978-02-02 1978-02-02 Optical fibre digital transmission systems

Country Status (3)

Country Link
AU (1) AU4367579A (enrdf_load_stackoverflow)
DE (1) DE2902789A1 (enrdf_load_stackoverflow)
GB (1) GB1565764A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2123235A (en) * 1982-05-06 1984-01-25 Telecommunications Sa Device for regulating a laser diode
GB2154787A (en) * 1984-01-17 1985-09-11 Standard Telephones Cables Ltd Laser stabilisation circuit
GB2179783A (en) * 1985-08-30 1987-03-11 Konishiroku Photo Ind Semiconductor laser driver
GB2201034A (en) * 1987-02-06 1988-08-17 Ando Electric Driving circuit for laser diode
GB2286920A (en) * 1994-02-25 1995-08-30 Fujitsu Ltd Power control of laser diodes in optical signal transmitters

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3013533A1 (de) * 1980-04-08 1981-10-15 Siemens Ag Schaltungsanordnung mit einer laserdiode zur uebertragung von nachrichtensiglnalen ueber einen lichtwellenleiter
DE3133724A1 (de) * 1981-08-26 1983-03-10 Siemens AG, 1000 Berlin und 8000 München Betriebsueberwachung von digitalen uebertragunssystemen
GB2107147B (en) * 1981-09-03 1985-07-10 Standard Telephones Cables Ltd Optical requency modulation system
DE3137497A1 (de) * 1981-09-21 1983-04-07 Siemens Ag Optisches uebertragungssystem fuer hochfrequente digitale signale
DE3142923C2 (de) * 1981-10-29 1985-07-18 ANT Nachrichtentechnik GmbH, 7150 Backnang Optisches Übertragungssystem
NL8200002A (nl) * 1982-01-04 1983-08-01 Philips Nv Foutlocalisatie-inrichting voor digitaal optische transmissiesysteem.
DE3232058C2 (de) * 1982-08-28 1994-11-17 Ant Nachrichtentech Schaltungsanordnung zum Ansteuern eines optischen Sendeelements
DE3232508A1 (de) * 1982-09-01 1984-03-01 Siemens AG, 1000 Berlin und 8000 München Anordnung zur ermittlung der intensitaet der lichtausstrahlung einer lichtemittierenden diode
FR2532802B1 (fr) * 1982-09-07 1986-02-14 Lignes Telegraph Telephon Systeme de transmission d'informations comportant un dispositif de regulation des niveaux des informations
DE3308987A1 (de) * 1983-03-14 1984-09-20 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung mit einem optischen sender
NL8301484A (nl) * 1983-04-27 1984-11-16 Philips Nv Optische zender.
US4558465A (en) * 1983-09-19 1985-12-10 Rca Corporation Switched bias scheme for high speed laser transmitter
AT384131B (de) * 1986-01-17 1987-10-12 Siemens Ag Oesterreich Schaltung zur regelung des speisestromes von impulsgesteuerten infrarot-sendedioden
US4718118A (en) * 1986-02-24 1988-01-05 Rca Corporation Transparent laser drive current update for burst mode fiber optic communication system
US4709416A (en) * 1986-02-24 1987-11-24 Rca Corporation Laser bias current stabilization for burst mode fiber optic communication system
DE3817836A1 (de) * 1988-05-26 1989-11-30 Philips Patentverwaltung Optischer sender mit einer laserdiode
FR2644944B1 (fr) * 1989-03-22 1991-05-17 Cit Alcatel Dispositif d'alimentation et de commande de laser pour liaison par fibre optique entre un abonne et un central de telecommunications
LU87901A1 (de) * 1990-08-27 1992-01-15 Siemens Ag Passives optisches telekommunikationssystem
DE4323825A1 (de) * 1993-07-15 1995-02-09 Siemens Ag Sender-Empfänger-Kombination für die optische Nachrichtenübertragung unter Ausnutzung der Rayleigh-Rückstreuung für die Laserdiodenregelung
DE19953332C1 (de) * 1999-11-05 2001-08-09 Siemens Ag Verfahren und Anordnung zur Optimierung eines mit einem binären Datensignal modulierten optischen Übertragungssignals
DE10122013A1 (de) * 2001-05-07 2002-11-28 Aifotec Ag Fiberoptics Verfahren zum Einstellen eines Arbeitspunktes einer optischen Sendeeinrichtung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5116114B1 (enrdf_load_stackoverflow) * 1971-07-28 1976-05-21
DE2218431C3 (de) * 1972-04-17 1986-10-23 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur Kompensation des nichtlinearen Zusammenhanges zwischen angelegter Spannung und Lichtausstrahlung bei Lumineszenzdioden
US3866051A (en) * 1973-02-01 1975-02-11 Xerox Corp Digital interface module
DE2324201A1 (de) * 1973-05-12 1974-11-28 Launer Hans Gerd Dipl Ing Uebertragungsverfahren und sender- und empfaengerseitige schaltungsanordnung zur gleichzeitigen uebertragung zweier signale unter einsatz eines uebertragungskanals mittels kombinierter pulsdauer- und pulsamplitudenmodulation
DE2603634B2 (de) * 1976-01-30 1978-08-17 Siemens Ag, 1000 Berlin Und 8000 Muenchen Signalumsetzer mit optoelektronischem Koppelelement
DE2716788A1 (de) * 1977-04-15 1978-10-19 Spinner Georg Optisches informationssystem
DE2730056A1 (de) * 1977-07-02 1979-01-18 Int Standard Electric Corp Regler fuer einen lichtsender

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2123235A (en) * 1982-05-06 1984-01-25 Telecommunications Sa Device for regulating a laser diode
GB2154787A (en) * 1984-01-17 1985-09-11 Standard Telephones Cables Ltd Laser stabilisation circuit
GB2179783A (en) * 1985-08-30 1987-03-11 Konishiroku Photo Ind Semiconductor laser driver
DE3629436A1 (de) * 1985-08-30 1987-03-12 Konishiroku Photo Ind Treiberstufe fuer halbleiterlaser
GB2179783B (en) * 1985-08-30 1989-09-20 Konishiroku Photo Ind Semiconductor laser driver
GB2201034A (en) * 1987-02-06 1988-08-17 Ando Electric Driving circuit for laser diode
GB2286920A (en) * 1994-02-25 1995-08-30 Fujitsu Ltd Power control of laser diodes in optical signal transmitters
US5557445A (en) * 1994-02-25 1996-09-17 Fujitsu Limited Optical signal transmitter having an apc circuit with automatic bias current control
GB2286920B (en) * 1994-02-25 1997-11-05 Fujitsu Ltd An optical transmitter having an APC circuit with automatic bias current control

Also Published As

Publication number Publication date
AU4367579A (en) 1979-08-09
DE2902789C2 (enrdf_load_stackoverflow) 1988-04-28
DE2902789A1 (de) 1979-08-09

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years

Effective date: 19980201