DE69126318D1 - Optische taktwiedergewinnung - Google Patents

Optische taktwiedergewinnung

Info

Publication number
DE69126318D1
DE69126318D1 DE69126318T DE69126318T DE69126318D1 DE 69126318 D1 DE69126318 D1 DE 69126318D1 DE 69126318 T DE69126318 T DE 69126318T DE 69126318 T DE69126318 T DE 69126318T DE 69126318 D1 DE69126318 D1 DE 69126318D1
Authority
DE
Germany
Prior art keywords
clock recovery
optical clock
optical
recovery
clock
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 - Fee Related
Application number
DE69126318T
Other languages
English (en)
Other versions
DE69126318T2 (de
Inventor
Peter Edward Barnsley
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.)
British Telecommunications PLC
Original Assignee
British Telecommunications 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
Priority claimed from GB909025014A external-priority patent/GB9025014D0/en
Priority claimed from GB919109762A external-priority patent/GB9109762D0/en
Application filed by British Telecommunications PLC filed Critical British Telecommunications PLC
Publication of DE69126318D1 publication Critical patent/DE69126318D1/de
Application granted granted Critical
Publication of DE69126318T2 publication Critical patent/DE69126318T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/299—Signal waveform processing, e.g. reshaping or retiming
    • 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
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/2912—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing
    • H04B10/2914—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing using lumped semiconductor optical amplifiers [SOA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0075—Arrangements for synchronising receiver with transmitter with photonic or optical means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
DE69126318T 1990-11-16 1991-11-18 Optische taktwiedergewinnung Expired - Fee Related DE69126318T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB909025014A GB9025014D0 (en) 1990-11-16 1990-11-16 Clock extraction
GB919109762A GB9109762D0 (en) 1991-05-07 1991-05-07 Clock extraction
PCT/GB1991/002030 WO1992009159A1 (en) 1990-11-16 1991-11-18 Optical clock recovery

Publications (2)

Publication Number Publication Date
DE69126318D1 true DE69126318D1 (de) 1997-07-03
DE69126318T2 DE69126318T2 (de) 1997-10-30

Family

ID=26297971

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69126318T Expired - Fee Related DE69126318T2 (de) 1990-11-16 1991-11-18 Optische taktwiedergewinnung

Country Status (8)

Country Link
US (1) US5444560A (de)
EP (1) EP0557341B1 (de)
JP (1) JP3169607B2 (de)
AU (1) AU8925091A (de)
CA (1) CA2096127C (de)
DE (1) DE69126318T2 (de)
ES (1) ES2103007T3 (de)
WO (1) WO1992009159A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2706710B1 (fr) * 1993-06-18 1995-09-08 Devaux Fabrice Dispositif pour la remise en forme d'un train d'impulsions optiques et dispositif pour la récupération d'un signal périodique synchronisé sur un train d'impulsions optiques modulées.
EP0723676B1 (de) * 1993-10-11 1998-04-08 BRITISH TELECOMMUNICATIONS public limited company Optische schalteinrichtung
FR2739507B1 (fr) * 1995-10-02 1997-12-19 Devaux Fabrice Dispositif de modulation en ligne pour systeme de transmission optique
IT1276122B1 (it) * 1995-11-14 1997-10-24 Pirelli Cavi Spa Metodo e dispositivo per recuperare in via ottica il sincronismo di un segnale ottico digitale
GB2320634A (en) 1996-12-19 1998-06-24 Northern Telecom Ltd Optical sampling by using an interferometer to modulate a pulse train
GB2320635A (en) 1996-12-19 1998-06-24 Northern Telecom Ltd Optical timing detection using an interferometer
US6020839A (en) * 1997-10-27 2000-02-01 Int Labs, Inc. Analog technique to detect asymmetric radio frequency pulses
US6501579B2 (en) * 2000-03-03 2002-12-31 Optium, Inc. Apparatus, system, and method for extracting an optical clock signal from an optical data signal
JP3948598B2 (ja) * 2000-09-01 2007-07-25 富士通株式会社 光信号を処理するための方法、装置及びシステム

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2701608B2 (ja) * 1991-07-29 1998-01-21 日本電気株式会社 光クロック抽出回路

Also Published As

Publication number Publication date
JP3169607B2 (ja) 2001-05-28
JPH06502518A (ja) 1994-03-17
WO1992009159A1 (en) 1992-05-29
AU8925091A (en) 1992-06-11
EP0557341B1 (de) 1997-05-28
US5444560A (en) 1995-08-22
DE69126318T2 (de) 1997-10-30
ES2103007T3 (es) 1997-08-16
CA2096127A1 (en) 1992-05-17
EP0557341A1 (de) 1993-09-01
CA2096127C (en) 1998-07-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee