DE68914188D1 - Optischer Polarisations-Diversitäts-Empfänger. - Google Patents

Optischer Polarisations-Diversitäts-Empfänger.

Info

Publication number
DE68914188D1
DE68914188D1 DE89109036T DE68914188T DE68914188D1 DE 68914188 D1 DE68914188 D1 DE 68914188D1 DE 89109036 T DE89109036 T DE 89109036T DE 68914188 T DE68914188 T DE 68914188T DE 68914188 D1 DE68914188 D1 DE 68914188D1
Authority
DE
Germany
Prior art keywords
diversity receiver
polarization diversity
optical polarization
optical
receiver
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
DE89109036T
Other languages
English (en)
Other versions
DE68914188T2 (de
Inventor
Makoto C O Nec Corpo Shibutani
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE68914188D1 publication Critical patent/DE68914188D1/de
Publication of DE68914188T2 publication Critical patent/DE68914188T2/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
    • H04B10/60—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
    • H04B10/614—Coherent receivers comprising one or more polarization beam splitters, e.g. polarization multiplexed [PolMux] X-PSK coherent receivers, polarization diversity heterodyne 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
    • H04B10/64—Heterodyne, i.e. coherent receivers where, after the opto-electronic conversion, an electrical signal at an intermediate frequency [IF] is obtained

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Radio Transmission System (AREA)
DE68914188T 1988-05-20 1989-05-19 Optischer Polarisations-Diversitäts-Empfänger. Expired - Fee Related DE68914188T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63123143A JP2658180B2 (ja) 1988-05-20 1988-05-20 偏波ダイバーシチ光受信装置

Publications (2)

Publication Number Publication Date
DE68914188D1 true DE68914188D1 (de) 1994-05-05
DE68914188T2 DE68914188T2 (de) 1994-10-20

Family

ID=14853256

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68914188T Expired - Fee Related DE68914188T2 (de) 1988-05-20 1989-05-19 Optischer Polarisations-Diversitäts-Empfänger.

Country Status (4)

Country Link
US (1) US4972515A (de)
EP (1) EP0342694B1 (de)
JP (1) JP2658180B2 (de)
DE (1) DE68914188T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02162330A (ja) * 1988-12-16 1990-06-21 Hitachi Ltd 偏波ダイバシティ光受信方法とその装置および中間周波数安定化方法
US5115332A (en) * 1989-07-20 1992-05-19 Fujitsu Limited Receiver for coherent optical communication
US5099351A (en) * 1990-01-03 1992-03-24 Gte Laboratories Incorporated Four level FSK optical signal transmission with optical decoding and coherent detection
NL9001938A (nl) * 1990-09-04 1992-04-01 Philips Nv Polarisatie onafhankelijke ontvanger.
GB2260046B (en) * 1991-09-26 1995-02-15 Northern Telecom Ltd Optical communications systems
JPH08509350A (ja) * 1994-02-18 1996-10-01 フィリップス、エレクトロニクス、ネムローゼ、フェンノートシャップ 三角形周波数特性を有する広帯域乗特性検出器、並びにこの検出器を含む伝送システムおよび受信器
US6411824B1 (en) * 1998-06-24 2002-06-25 Conexant Systems, Inc. Polarization-adaptive antenna transmit diversity system
JP3237624B2 (ja) * 1998-09-04 2001-12-10 日本電気株式会社 レーザ発振波長監視装置
US6999688B1 (en) * 2001-12-20 2006-02-14 Sprint Communications Company L.P. Optical systems with diversity detection
US7254325B2 (en) * 2003-05-06 2007-08-07 Fujitsu Limited Method and system for optical performance monitoring
WO2006116802A1 (en) * 2005-04-29 2006-11-09 National Ict Australia Limited Method and device for in-band optical performance monitoring
EP2124356A4 (de) 2006-12-13 2013-12-04 Nec Corp Lichtempfangseinrichtung und lichtempfangsverfahren
US7860406B2 (en) * 2007-09-14 2010-12-28 Alcatel-Lucent Usa Inc. PMD insensitive direct-detection optical OFDM systems using self-polarization diversity
US9337937B2 (en) 2014-03-10 2016-05-10 Cisco Technology, Inc. Common mode rejection ratio control for coherent optical receivers
US10209127B2 (en) 2015-11-05 2019-02-19 Ciena Corporation Method and system for balancing optical receiver

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59165538A (ja) * 1983-03-10 1984-09-18 Nec Corp 光検波受信装置
JPS6210937A (ja) * 1985-07-08 1987-01-19 Nec Corp 光ヘテロダイン・ホモダイン受信装置
JPS62138832A (ja) * 1985-12-12 1987-06-22 Mitsui Eng & Shipbuild Co Ltd 光電変換装置
JP2610211B2 (ja) * 1992-07-17 1997-05-14 富士電気化学株式会社 過大光遮断装置
JPH07104225A (ja) * 1993-10-05 1995-04-21 Mitsubishi Gas Chem Co Inc ファラデー回転子

Also Published As

Publication number Publication date
DE68914188T2 (de) 1994-10-20
US4972515A (en) 1990-11-20
EP0342694A3 (de) 1992-03-04
JPH01293328A (ja) 1989-11-27
EP0342694B1 (de) 1994-03-30
EP0342694A2 (de) 1989-11-23
JP2658180B2 (ja) 1997-09-30

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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