ATE338392T1 - Verfahren zur bildung von einem kodierten rz oder nrz signal - Google Patents

Verfahren zur bildung von einem kodierten rz oder nrz signal

Info

Publication number
ATE338392T1
ATE338392T1 AT04291702T AT04291702T ATE338392T1 AT E338392 T1 ATE338392 T1 AT E338392T1 AT 04291702 T AT04291702 T AT 04291702T AT 04291702 T AT04291702 T AT 04291702T AT E338392 T1 ATE338392 T1 AT E338392T1
Authority
AT
Austria
Prior art keywords
variations
coded
forming
nrz signal
phases
Prior art date
Application number
AT04291702T
Other languages
English (en)
Inventor
Hans Bissessur
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Application granted granted Critical
Publication of ATE338392T1 publication Critical patent/ATE338392T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/497—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems by correlative coding, e.g. partial response coding or echo modulation coding transmitters and receivers for partial response systems
    • 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
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
    • H04B10/2513—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to chromatic dispersion
    • H04B10/25137—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to chromatic dispersion using pulse shaping at the transmitter, e.g. pre-chirping or dispersion supported transmission [DST]
    • 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
    • H04B10/505—Laser transmitters using external 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
    • H04B10/503—Laser transmitters
    • H04B10/505—Laser transmitters using external modulation
    • H04B10/5051—Laser transmitters using external modulation using a series, i.e. cascade, combination of modulators
    • 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
    • H04B10/505—Laser transmitters using external modulation
    • H04B10/5055—Laser transmitters using external modulation using a pre-coder
    • 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
    • H04B10/508—Pulse generation, e.g. generation of solitons

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optical Communication System (AREA)
  • Dc Digital Transmission (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
AT04291702T 2003-08-19 2004-07-05 Verfahren zur bildung von einem kodierten rz oder nrz signal ATE338392T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0309997A FR2859056B1 (fr) 2003-08-19 2003-08-19 Methode de formation d'un signal optique code suivant un format retour a zero ou non retour a zero

Publications (1)

Publication Number Publication Date
ATE338392T1 true ATE338392T1 (de) 2006-09-15

Family

ID=34043779

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04291702T ATE338392T1 (de) 2003-08-19 2004-07-05 Verfahren zur bildung von einem kodierten rz oder nrz signal

Country Status (5)

Country Link
US (1) US20050041983A1 (de)
EP (1) EP1508984B1 (de)
AT (1) ATE338392T1 (de)
DE (1) DE602004002160T2 (de)
FR (1) FR2859056B1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006029402A2 (en) * 2004-09-10 2006-03-16 Magiq Technologies, Inc. Method and apparatus for generating optical pulses for qkd
US8055137B2 (en) * 2007-03-27 2011-11-08 Tongqing Wang Phase coded non-return-to-zero optical transmitter
WO2008154485A1 (en) * 2007-06-07 2008-12-18 Afl Telecommunications Llc Method for detecting fiber optic fibers and ribbons
US11047766B2 (en) 2018-04-11 2021-06-29 Afl Telecommunications Llc Systems and methods for identification and testing of optical fibers

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2670638B1 (fr) * 1990-12-17 1993-02-12 Alcatel Nv Procede et systeme de transmission optique a saut de phase.
FR2685834B1 (fr) * 1991-12-31 1995-03-31 France Telecom Systeme de transmission numerique longue distance sur fibre optique a compensation a l'emission des distorsions.
IT1279248B1 (it) * 1995-12-21 1997-12-09 Pirelli Cavi S P A Ora Pirelli Sistema di trasmissione di segnali ottici modulati e depolarizzati
FR2745451B1 (fr) * 1996-02-23 1998-04-17 Cit Alcatel Procede de transmission optique de donnees numeriques
US20040161245A1 (en) * 1996-12-20 2004-08-19 Bergano Neal S. Synchronous amplitude modulation for improved performance of optical transmission systems
JP3337980B2 (ja) * 1998-06-29 2002-10-28 沖電気工業株式会社 光送信器及び光伝送システム
FR2781322B1 (fr) * 1998-07-20 2000-09-08 Alsthom Cge Alcatel Dispositif d'emission de donnees optiques
ATE296001T1 (de) * 2000-11-06 2005-06-15 Cit Alcatel Optische modulationsart für nrz-signale und optischer sender
US6741763B1 (en) * 2001-01-17 2004-05-25 The Texas A & M University Optical data transmission apparatus and method
CN1330119C (zh) * 2001-11-11 2007-08-01 华为技术有限公司 一种用于高速传输系统的光信号调节方法及光传输系统
ITRM20020056A1 (it) * 2002-02-04 2003-08-04 Mario Zitelli Modulazione combinata di intensita' e fase in un sistema di comunicazione ottico.
JP2003244102A (ja) * 2002-02-20 2003-08-29 Hitachi Ltd 光帯域狭窄化送信装置および光残留サイドバンド送信装置
US7027669B2 (en) * 2003-08-15 2006-04-11 Lucent Technologies Inc. Methods and apparatus for optical pulse generator with progressive phase shift

Also Published As

Publication number Publication date
DE602004002160D1 (de) 2006-10-12
FR2859056A1 (fr) 2005-02-25
US20050041983A1 (en) 2005-02-24
EP1508984B1 (de) 2006-08-30
EP1508984A1 (de) 2005-02-23
FR2859056B1 (fr) 2005-09-30
DE602004002160T2 (de) 2007-07-19

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