ATE528871T1 - Kohärenter optischer digitalempfänger - Google Patents

Kohärenter optischer digitalempfänger

Info

Publication number
ATE528871T1
ATE528871T1 AT10162121T AT10162121T ATE528871T1 AT E528871 T1 ATE528871 T1 AT E528871T1 AT 10162121 T AT10162121 T AT 10162121T AT 10162121 T AT10162121 T AT 10162121T AT E528871 T1 ATE528871 T1 AT E528871T1
Authority
AT
Austria
Prior art keywords
circuit
signal
phase
coherent optical
digital receiver
Prior art date
Application number
AT10162121T
Other languages
English (en)
Inventor
Hisao Nakashima
Takeshi Hoshida
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of ATE528871T1 publication Critical patent/ATE528871T1/de

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
    • H04B10/60—Receivers
    • H04B10/66—Non-coherent receivers, e.g. using direct detection
    • H04B10/69—Electrical arrangements in the receiver
    • H04B10/697—Arrangements for reducing noise and distortion
    • 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
    • H04B10/60—Receivers
    • H04B10/61—Coherent receivers
    • 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
    • H04B10/60—Receivers
    • H04B10/61—Coherent receivers
    • H04B10/613—Coherent receivers including phase diversity, e.g., having in-phase and quadrature branches, as in QPSK coherent receivers
    • 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
    • H04B10/60—Receivers
    • H04B10/61—Coherent receivers
    • H04B10/616—Details of the electronic signal processing in coherent optical receivers
    • H04B10/6165—Estimation of the phase of the received optical signal, phase error estimation or phase error correction
    • 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
    • H04B10/60—Receivers
    • H04B10/61—Coherent receivers
    • H04B10/65—Intradyne, i.e. coherent receivers with a free running local oscillator having a frequency close but not phase-locked to the carrier signal

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
AT10162121T 2009-05-29 2010-05-06 Kohärenter optischer digitalempfänger ATE528871T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009131343A JP5287516B2 (ja) 2009-05-29 2009-05-29 デジタルコヒーレント光受信器

Publications (1)

Publication Number Publication Date
ATE528871T1 true ATE528871T1 (de) 2011-10-15

Family

ID=42562963

Family Applications (1)

Application Number Title Priority Date Filing Date
AT10162121T ATE528871T1 (de) 2009-05-29 2010-05-06 Kohärenter optischer digitalempfänger

Country Status (4)

Country Link
US (1) US8331805B2 (de)
EP (1) EP2256960B1 (de)
JP (1) JP5287516B2 (de)
AT (1) ATE528871T1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5444877B2 (ja) * 2009-06-24 2014-03-19 富士通株式会社 デジタルコヒーレント受信器
US9203682B2 (en) * 2010-09-07 2015-12-01 Alcatel Lucent Frequency-dependent I/Q-signal imbalance correction coherent optical transceivers
JP2012070051A (ja) * 2010-09-21 2012-04-05 Nec Corp コヒーレント光受信器およびその制御方法
US8693897B2 (en) * 2011-01-22 2014-04-08 Viasat, Inc. Digital demodulator architecture
JP5803456B2 (ja) * 2011-09-08 2015-11-04 住友電気工業株式会社 位相評価装置および位相評価方法
US9112614B2 (en) * 2012-03-02 2015-08-18 Alcatel Lucent Correction of a local-oscillator phase error in a coherent optical receiver
US9077455B2 (en) 2012-12-28 2015-07-07 Alcatel Lucent Optical receiver having a MIMO equalizer
WO2014115840A1 (ja) 2013-01-25 2014-07-31 日本電信電話株式会社 光受信装置および位相サイクルスリップ低減方法
JP6236894B2 (ja) * 2013-06-11 2017-11-29 富士通株式会社 光位相補償装置、光受信器、ネットワークマネジメントシステム、および光位相補償方法
CN106572040B (zh) * 2015-10-12 2020-04-21 富士通株式会社 发射端调制器的偏置漂移估计装置、补偿装置以及接收机
JP6288143B2 (ja) * 2015-10-19 2018-03-07 日本電信電話株式会社 コヒーレント光受信装置
JP6315040B2 (ja) * 2016-08-29 2018-04-25 Ｎｔｔエレクトロニクス株式会社 光伝送歪補償装置、光伝送歪補償方法及び通信装置
CN109728856B (zh) * 2017-10-27 2021-12-31 富士通株式会社 光发射机iq不平衡的估计装置、补偿装置及电子设备
EP3703279A1 (de) * 2019-03-01 2020-09-02 Xieon Networks S.à r.l. Kompensation der durch ein periodisches optisches co-propagierendes signal induzierten signalverzerrung
US12328147B2 (en) * 2021-06-22 2025-06-10 Intel Corporation System, apparatus and method for optical intensity modulation with direct detection using local oscillator
WO2024004091A1 (ja) * 2022-06-29 2024-01-04 日本電信電話株式会社 光受信機及び信号処理方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7280619B2 (en) * 2003-12-23 2007-10-09 Intel Corporation Method and apparatus for compensating I/Q imbalance in receivers
US6917031B1 (en) * 2004-02-17 2005-07-12 Nortel Networks Limited Method for quadrature phase angle correction in a coherent receiver of a dual-polarization optical transport system
CN101257349B (zh) * 2007-02-26 2011-05-11 富士通株式会社 数字相位估计器、数字锁相环以及光相干接收机
JP4918400B2 (ja) * 2007-04-27 2012-04-18 富士通株式会社 光信号受信装置
CN101388729B (zh) * 2007-09-14 2012-05-09 富士通株式会社 相位失衡监测装置、振幅失衡监测装置及使用它们的装置

Also Published As

Publication number Publication date
US8331805B2 (en) 2012-12-11
EP2256960B1 (de) 2011-10-12
EP2256960A1 (de) 2010-12-01
JP2010278920A (ja) 2010-12-09
US20100303474A1 (en) 2010-12-02
JP5287516B2 (ja) 2013-09-11

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