DE3883480D1 - Lichtempfangssystem mit Polarisationsdiversity. - Google Patents

Lichtempfangssystem mit Polarisationsdiversity.

Info

Publication number
DE3883480D1
DE3883480D1 DE88310146T DE3883480T DE3883480D1 DE 3883480 D1 DE3883480 D1 DE 3883480D1 DE 88310146 T DE88310146 T DE 88310146T DE 3883480 T DE3883480 T DE 3883480T DE 3883480 D1 DE3883480 D1 DE 3883480D1
Authority
DE
Germany
Prior art keywords
light receiving
receiving system
polarization diversity
diversity
polarization
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
DE88310146T
Other languages
English (en)
Other versions
DE3883480T2 (de
Inventor
Shiro Ryu
Kiyofumi Mochizuki
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.)
KDDI Corp
Original Assignee
Kokusai Denshin Denwa KK
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 Kokusai Denshin Denwa KK filed Critical Kokusai Denshin Denwa KK
Publication of DE3883480D1 publication Critical patent/DE3883480D1/de
Application granted granted Critical
Publication of DE3883480T2 publication Critical patent/DE3883480T2/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)
DE88310146T 1987-10-28 1988-10-28 Lichtempfangssystem mit Polarisationsdiversity. Expired - Fee Related DE3883480T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62270367A JP2562623B2 (ja) 1987-10-28 1987-10-28 ベースバンド合成法による偏波ダイバーシティ光受信方式

Publications (2)

Publication Number Publication Date
DE3883480D1 true DE3883480D1 (de) 1993-09-30
DE3883480T2 DE3883480T2 (de) 1993-12-23

Family

ID=17485277

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88310146T Expired - Fee Related DE3883480T2 (de) 1987-10-28 1988-10-28 Lichtempfangssystem mit Polarisationsdiversity.

Country Status (4)

Country Link
US (1) US4888817A (de)
EP (1) EP0314491B1 (de)
JP (1) JP2562623B2 (de)
DE (1) DE3883480T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH063512B2 (ja) * 1988-02-19 1994-01-12 富士通株式会社 コヒーレント光通信用偏波ダイバーシティ光受信装置
JPH0239131A (ja) * 1988-07-29 1990-02-08 Hitachi Ltd 周波数間隔安定化方法、光ヘテロダイン又は光ホモダイン通信方法
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
JP2540935B2 (ja) * 1989-03-16 1996-10-09 日本電気株式会社 一括偏波制御方法
US5115332A (en) * 1989-07-20 1992-05-19 Fujitsu Limited Receiver for coherent optical communication
JPH04150628A (ja) * 1990-10-15 1992-05-25 Nec Corp 光通信システムの波長安定化方法および回路
US5321850A (en) * 1991-10-09 1994-06-14 Telefonaktiebolaget L M Ericsson Diversity radio receiver automatic frequency control
US5388088A (en) * 1992-04-02 1995-02-07 At&T Corp. Multiple polarization sensitive detection arrangement for fiber optic communications
JP2689875B2 (ja) * 1993-12-24 1997-12-10 日本電気株式会社 光信号受信装置
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
DE19612604A1 (de) * 1996-03-29 1997-10-02 Sel Alcatel Ag Optischer Empfänger mit einer Entzerrerschaltung für durch PMD verursachte Störungen und System mit einem solchen optischen Empfänger
PL1976877T5 (pl) 2005-11-30 2017-09-29 Abbvie Inc Przeciwciała monoklonalne przeciwko białku amyloidu beta oraz ich zastosowania
US7406269B2 (en) * 2006-03-10 2008-07-29 Discovery Semiconductors, Inc. Feedback-controlled coherent optical receiver with electrical compensation/equalization
US9337937B2 (en) 2014-03-10 2016-05-10 Cisco Technology, Inc. Common mode rejection ratio control for coherent optical receivers
JP6884948B2 (ja) * 2017-03-17 2021-06-09 国立研究開発法人情報通信研究機構 高速フォトディテクターアレー

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59122140A (ja) * 1982-12-28 1984-07-14 Nec Corp 光ヘテロダイン検波装置
JPH0618348B2 (ja) * 1984-02-06 1994-03-09 日本電信電話株式会社 光受信回路制御装置
GB8515499D0 (en) * 1985-06-19 1985-07-24 British Telecomm Digital information transmission system
US4723315A (en) * 1986-06-24 1988-02-02 Itek Corporation Polarization matching mixer
DE3621734A1 (de) * 1986-06-28 1988-01-07 Standard Elektrik Lorenz Ag Optischer ueberlagerungsempfaenger
US4718120A (en) * 1986-11-24 1988-01-05 American Telephone And Telegraph Company, At&T Bell Laboratories Polarization insensitive coherent lightwave detector

Also Published As

Publication number Publication date
US4888817A (en) 1989-12-19
JP2562623B2 (ja) 1996-12-11
DE3883480T2 (de) 1993-12-23
EP0314491A2 (de) 1989-05-03
EP0314491A3 (en) 1990-05-16
JPH01114832A (ja) 1989-05-08
EP0314491B1 (de) 1993-08-25

Similar Documents

Publication Publication Date Title
DE3880234D1 (de) Ausrichten von glasfaser-arrays.
NO894893D0 (no) Romsprednings-system.
DE3855764T2 (de) Mikrozellulares Kommunikationssystem mit Makrodiversity
DE68924877D1 (de) Optisches Diebstahlverhinderungssystem.
NO884692D0 (no) Boreroer-transportert loggingssystem.
DE3674223D1 (de) Optisches zeitbereichsreflektometer mit heterodyn-empfang.
DE69024148T2 (de) Übertragungssystem mit Doppelpolarisation
DE3887700D1 (de) Steckdose mit Zusatzmodul.
DE68923853T2 (de) Betriebssicheres optisches Übertragungssystem.
DE3886828T2 (de) Doppelpolarisationsübertragungssystem.
DE68922663D1 (de) Kommunikationssystem mit Antennen diversity.
DE3860235D1 (de) Optisches schaltsystem.
DE3770296D1 (de) Optisches zeitbereichsreflektometer mit heterodyn-empfang.
DE3883480D1 (de) Lichtempfangssystem mit Polarisationsdiversity.
NO885311D0 (no) Fordelt antenne-system.
DE3852624D1 (de) Polarisierter Elektromagnet.
DE68914188T2 (de) Optischer Polarisations-Diversitäts-Empfänger.
DE3873493D1 (de) Rufsystem mit ortsabhaengigen gesteuerten rufempfaengern.
DE68907612D1 (de) Optisches system.
DE3876544T3 (de) Optisches Speichersystem.
DE3884234D1 (de) Optischer Polarisations-Diversitäts-Empfänger.
DE68909498T2 (de) Empfangssystem.
DE3789719D1 (de) Lichtempfangselement.
DE3878362D1 (de) Optischer heterodynempfaenger.
DE3850727T2 (de) Antennensystem.

Legal Events

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