CA2380121C - Differential dense wavelength division multiplexing (ddwdm) in optical systems - Google Patents

Differential dense wavelength division multiplexing (ddwdm) in optical systems Download PDF

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Publication number
CA2380121C
CA2380121C CA002380121A CA2380121A CA2380121C CA 2380121 C CA2380121 C CA 2380121C CA 002380121 A CA002380121 A CA 002380121A CA 2380121 A CA2380121 A CA 2380121A CA 2380121 C CA2380121 C CA 2380121C
Authority
CA
Canada
Prior art keywords
optical
signal
signals
inverted
channels
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
CA002380121A
Other languages
English (en)
French (fr)
Other versions
CA2380121A1 (en
Inventor
Mohsen Sarraf
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.)
Nokia of America Corp
Original Assignee
Lucent Technologies Inc
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 Lucent Technologies Inc filed Critical Lucent Technologies Inc
Publication of CA2380121A1 publication Critical patent/CA2380121A1/en
Application granted granted Critical
Publication of CA2380121C publication Critical patent/CA2380121C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • H04B10/506—Multiwavelength transmitters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/03—WDM arrangements
    • H04J14/0305—WDM arrangements in end terminals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
CA002380121A 2001-05-25 2002-04-04 Differential dense wavelength division multiplexing (ddwdm) in optical systems Expired - Fee Related CA2380121C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/681,720 US7072592B2 (en) 2001-05-25 2001-05-25 Differential dense wavelength division multiplexing (DDWDM) in optical systems
US09/681,720 2001-05-25

Publications (2)

Publication Number Publication Date
CA2380121A1 CA2380121A1 (en) 2002-11-25
CA2380121C true CA2380121C (en) 2008-07-08

Family

ID=24736487

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002380121A Expired - Fee Related CA2380121C (en) 2001-05-25 2002-04-04 Differential dense wavelength division multiplexing (ddwdm) in optical systems

Country Status (4)

Country Link
US (1) US7072592B2 (https=)
EP (1) EP1261159A1 (https=)
JP (1) JP4388730B2 (https=)
CA (1) CA2380121C (https=)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7272327B2 (en) * 2003-04-29 2007-09-18 Nortel Networks Limited Multi-detector detection of optical signals
JP4061325B2 (ja) * 2003-11-20 2008-03-19 日本電信電話株式会社 波長多重伝送システム
JP5130702B2 (ja) * 2006-12-05 2013-01-30 富士通株式会社 偏波直交制御装置
US8009988B2 (en) * 2007-11-20 2011-08-30 Phillips Mary R Raman cancellation and management in CATV transport and distribution via RF spectrum inversion
DK2720600T3 (da) 2011-08-03 2017-01-02 Alcon Res Ltd Bøjelig oftalmisk kirurgisk sonde
US8718466B2 (en) * 2012-07-12 2014-05-06 Micron Technology Inc. Method and apparatus providing wave division multiplexing optical communication system with active carrier hopping
US9319005B2 (en) * 2012-07-13 2016-04-19 Rf Micro Devices, Inc. Multi-band/multi-mode power amplifier with signal path hardware sharing
JP6191758B2 (ja) * 2014-03-07 2017-09-06 日本電気株式会社 光送信装置、光通信装置、光通信システムおよび光送信方法
DE102018120541A1 (de) * 2018-08-23 2020-02-27 Eaton Intelligent Power Limited Medienkonverter und Verfahren zum Betreiben eines Medienkonverters
CN114665969A (zh) * 2020-12-23 2022-06-24 华为技术有限公司 信号发送装置、信号接收装置、方法、光传输系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2537364A1 (fr) 1982-12-01 1984-06-08 Instruments Sa Procede de transmission d'informations par fibre optique et dispositif pour la mise en oeuvre du procede
FR2563672B1 (fr) 1984-04-26 1986-09-19 Lignes Telegraph Telephon Systeme de transmission d'informations numeriques sur fibre optique
US5138475A (en) 1990-03-26 1992-08-11 At&T Bell Laboratories Dc-coupled optical data link utilizing differential transmission
US5257124A (en) * 1991-08-15 1993-10-26 General Instrument Corporation Low distortion laser system for AM fiber optic communication

Also Published As

Publication number Publication date
JP4388730B2 (ja) 2009-12-24
JP2003060623A (ja) 2003-02-28
US20020176132A1 (en) 2002-11-28
US7072592B2 (en) 2006-07-04
CA2380121A1 (en) 2002-11-25
EP1261159A1 (en) 2002-11-27

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