DE3788537D1 - Symmetrischer doppelt-optischer Signalempfänger. - Google Patents

Symmetrischer doppelt-optischer Signalempfänger.

Info

Publication number
DE3788537D1
DE3788537D1 DE87108787T DE3788537T DE3788537D1 DE 3788537 D1 DE3788537 D1 DE 3788537D1 DE 87108787 T DE87108787 T DE 87108787T DE 3788537 T DE3788537 T DE 3788537T DE 3788537 D1 DE3788537 D1 DE 3788537D1
Authority
DE
Germany
Prior art keywords
optical signal
signal receiver
symmetrical double
symmetrical
double
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
DE87108787T
Other languages
English (en)
Other versions
DE3788537T2 (de
Inventor
Hideo Kuwahara
Terumi Chikama
Tetsuya Kiyonaga
Chiaki Ohsawa
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.)
Fujitsu Ltd
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
Priority claimed from JP61142837A external-priority patent/JPH0671233B2/ja
Priority claimed from JP61163717A external-priority patent/JPH0671232B2/ja
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of DE3788537D1 publication Critical patent/DE3788537D1/de
Application granted granted Critical
Publication of DE3788537T2 publication Critical patent/DE3788537T2/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
    • H04B10/63—Homodyne, i.e. coherent receivers where the local oscillator is locked in frequency and phase to the carrier signal
    • 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)
DE3788537T 1986-06-20 1987-06-19 Symmetrischer doppelt-optischer Signalempfänger. Expired - Fee Related DE3788537T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP61142837A JPH0671233B2 (ja) 1986-06-20 1986-06-20 二重平衡受光装置
JP61163717A JPH0671232B2 (ja) 1986-07-14 1986-07-14 二重平衡偏波ダイバ−シティ受信装置

Publications (2)

Publication Number Publication Date
DE3788537D1 true DE3788537D1 (de) 1994-02-03
DE3788537T2 DE3788537T2 (de) 1994-05-19

Family

ID=26474719

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3788537T Expired - Fee Related DE3788537T2 (de) 1986-06-20 1987-06-19 Symmetrischer doppelt-optischer Signalempfänger.

Country Status (4)

Country Link
US (1) US5003626A (de)
EP (1) EP0251062B1 (de)
CA (1) CA1290019C (de)
DE (1) DE3788537T2 (de)

Families Citing this family (118)

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DE68915964T2 (de) * 1988-12-03 1994-11-03 Toshiba Kawasaki Kk Optische Mischer-Anordnung.
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NL9001332A (nl) * 1990-06-13 1992-01-02 Philips Nv Inrichting voor optische heterodyne detektie en spiegelstelsel geschikt voor toepassing in een dergelijke inrichting.
NL9001331A (nl) * 1990-06-13 1992-01-02 Philips Nv Inrichting voor optische heterodyne detektie en optische komponent geschikt voor toepassing in een dergelijke inrichting.
US5258615A (en) * 1990-08-03 1993-11-02 Gpt Limited Optical fiber monitoring by detection of polarization variations
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US5307197A (en) * 1991-08-27 1994-04-26 Nec Corporation Optical circuit for a polarization diversity receiver
US5574553A (en) * 1994-12-27 1996-11-12 The United States Of America As Represented By The Secretary Of The Air Force Ladar receiver incorporating an optical amplifier and polarization optical mixer
US5574589A (en) * 1995-01-09 1996-11-12 Lucent Technologies Inc. Self-amplified networks
US6118396A (en) * 1997-12-24 2000-09-12 Massachusetts Institute Of Technology Optically sampling, demultiplexing, and A/D converting system with improved speed
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US6548801B1 (en) * 2000-01-13 2003-04-15 Agilent Technologies, Inc. System and method for optical heterodyne detection of an optical signal
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US7068944B2 (en) * 2001-04-16 2006-06-27 Agilent Technologies, Inc. Multi-function optical performance monitor
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US20030016425A1 (en) * 2001-07-19 2003-01-23 Tan Tun Sein Polarization diversity receiver with planar waveguide and polarizing beam splitter
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Also Published As

Publication number Publication date
EP0251062A2 (de) 1988-01-07
EP0251062A3 (en) 1989-07-26
EP0251062B1 (de) 1993-12-22
CA1290019C (en) 1991-10-01
US5003626A (en) 1991-03-26
DE3788537T2 (de) 1994-05-19

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