GR3007355T3 - - Google Patents

Info

Publication number
GR3007355T3
GR3007355T3 GR930400554T GR930400554T GR3007355T3 GR 3007355 T3 GR3007355 T3 GR 3007355T3 GR 930400554 T GR930400554 T GR 930400554T GR 930400554 T GR930400554 T GR 930400554T GR 3007355 T3 GR3007355 T3 GR 3007355T3
Authority
GR
Greece
Prior art keywords
polarization
received light
angle
light
dpsk
Prior art date
Application number
GR930400554T
Other languages
English (en)
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 filed Critical
Publication of GR3007355T3 publication Critical patent/GR3007355T3/el

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
    • H04B10/615—Arrangements affecting the optical part of the receiver
    • H04B10/6151—Arrangements affecting the optical part of the receiver comprising a polarization controller at the receiver's input stage
    • 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)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Gyroscopes (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
GR930400554T 1986-06-28 1993-03-16 GR3007355T3 (el)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863621734 DE3621734A1 (de) 1986-06-28 1986-06-28 Optischer ueberlagerungsempfaenger

Publications (1)

Publication Number Publication Date
GR3007355T3 true GR3007355T3 (el) 1993-07-30

Family

ID=6303934

Family Applications (1)

Application Number Title Priority Date Filing Date
GR930400554T GR3007355T3 (el) 1986-06-28 1993-03-16

Country Status (9)

Country Link
US (1) US4856093A (el)
EP (1) EP0250819B1 (el)
JP (1) JP2718677B2 (el)
CN (1) CN1005952B (el)
AT (1) ATE86053T1 (el)
DE (2) DE3621734A1 (el)
ES (1) ES2040219T3 (el)
GR (1) GR3007355T3 (el)
YU (1) YU117987A (el)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1290019C (en) * 1986-06-20 1991-10-01 Hideo Kuwahara Dual balanced optical signal receiver
DE3630619A1 (de) * 1986-09-09 1988-03-17 Standard Elektrik Lorenz Ag Optischer ueberlagerungsempfaenger
NL8602864A (nl) * 1986-11-12 1988-06-01 Philips Nv Inrichting voor optische heterodyne detektie van een optische signaalbundel en optisch transmissiesysteem voorzien van een dergelijke inrichting.
US4829598A (en) * 1987-01-22 1989-05-09 Siemens Aktiengesellschaft Optical receiver with an optical coupler and an electronic amplifier
US5477369A (en) * 1987-04-20 1995-12-19 U.S. Philips Corporation Device for optical heterodyne or homodyne detection of an optical signal beam and receiver provided with such a device
JP2562623B2 (ja) * 1987-10-28 1996-12-11 国際電信電話株式会社 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
JPH01123538A (ja) * 1987-11-07 1989-05-16 Nec Corp 光平衡伝送回路
JPH0734080B2 (ja) * 1988-10-20 1995-04-12 富士通株式会社 コヒーレント光通信用ヘテロダイン検波受信装置
JP2540935B2 (ja) * 1989-03-16 1996-10-09 日本電気株式会社 一括偏波制御方法
US4979235A (en) * 1989-04-17 1990-12-18 Tektronix, Inc. Polarization controller for use in optical fiber communication system
US5060311A (en) * 1989-06-06 1991-10-22 Siemens Aktiengesellschaft Method and apparatus for obtaining phase or polarization insensitive optical heterodyne reception for dpsk or ask-modulated transmission signal
EP0401557A3 (de) * 1989-06-06 1991-10-02 Siemens Aktiengesellschaft Verfahren zur Realisierung eines phasen- oder/und polarisationsunempfindlichen Überlagerungsempfangs für ein FSK-moduliertes Sendesignal
US5253309A (en) * 1989-06-23 1993-10-12 Harmonic Lightwaves, Inc. Optical distribution of analog and digital signals using optical modulators with complementary outputs
US5077728A (en) * 1989-12-20 1991-12-31 At&T Bell Laboratories Frequency division multiple access network
NL9002713A (nl) * 1990-12-10 1992-07-01 Nederland Ptt Transmissiesysteem voor de polarisatie-ongevoelige overdracht van signalen.
JP2776124B2 (ja) * 1992-03-23 1998-07-16 日本電気株式会社 直接検波光受信装置
JPH05303128A (ja) * 1992-04-27 1993-11-16 Nec Corp イメージ信号除去光ヘテロダイン検波受信装置
US5311346A (en) * 1992-06-17 1994-05-10 At&T Bell Laboratories Fiber-optic transmission polarization-dependent distortion compensation
US6782211B1 (en) * 1998-11-05 2004-08-24 Mark T. Core Cross polarization interface canceler
US6548801B1 (en) * 2000-01-13 2003-04-15 Agilent Technologies, Inc. System and method for optical heterodyne detection of an optical signal
US6970250B1 (en) * 2000-01-20 2005-11-29 Agilent Technologies, Inc. Method and system for optical heterodyne detection of an optical signal that utilizes optical attenuation
US6259529B1 (en) * 2000-02-17 2001-07-10 Agilent Technologies, Inc. Wavelength-selective polarization-diverse optical heterodyne receiver
US6256103B1 (en) * 2000-02-17 2001-07-03 Agilent Technologies, Inc. System and method for optical heterodyne detection of an optical signal
US6583903B1 (en) * 2000-03-02 2003-06-24 Worldcom, Inc. Method and system for controlling polarization mode dispersion
US6535289B1 (en) * 2000-06-02 2003-03-18 Agilent Technologies, Inc. System and method for optical heterodyne detection of an optical signal
US7106967B2 (en) * 2001-09-04 2006-09-12 Doron Handelman Optical packet switching apparatus and methods
JP4170298B2 (ja) * 2005-01-31 2008-10-22 富士通株式会社 差分４位相偏移変調方式に対応した光受信器および光受信方法
EP1833215A1 (en) * 2006-03-10 2007-09-12 Harris Broadcast Systems Europe Detection of excessive signal power
US7809284B2 (en) * 2006-06-23 2010-10-05 Alcatel-Lucent Usa Inc. System and method for receiving coherent, polarization-multiplexed optical signals
CN100451667C (zh) * 2007-04-06 2009-01-14 中国科学院上海光学精密机械研究所 光电外差探测电路
US7873286B2 (en) * 2007-10-19 2011-01-18 Ciena Corporation Optical receiver systems and methods for polarization demultiplexing, PMD compensation, and DXPSK demodulation
US9917672B2 (en) 2013-08-09 2018-03-13 Technical University Of Denmark Wireless distributed antenna MIMO
PT3103202T (pt) 2014-02-07 2018-06-06 Univ Danmarks Tekniske Descodificação de um sinal modulado de amplitude combinada e de frequência modulada
EP3937399A1 (en) * 2017-03-21 2022-01-12 Bifrost Communications APS Optical communication systems, devices, and methods including high performance optical receivers

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1057170B (de) * 1957-02-19 1959-05-14 Rohde & Schwarz Anordnung und Verfahren zur Umwandlung einer amplituden-getasteten Traegerschwingung
US3971930A (en) * 1974-04-24 1976-07-27 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Polarization compensator for optical communications
JPS57125557A (en) * 1981-01-29 1982-08-04 Nec Corp Demodulator
JPS59122140A (ja) * 1982-12-28 1984-07-14 Nec Corp 光ヘテロダイン検波装置
JPS60184229A (ja) * 1984-03-02 1985-09-19 Nec Corp 光ヘテロダイン・ホモダイン検波受信装置
JPS60242435A (ja) * 1984-05-17 1985-12-02 Nec Corp 偏波ダイバ−シテイ光受信装置
JPS6123121A (ja) * 1984-07-12 1986-01-31 Nec Corp 光ヘテロダイン受信方法
GB8514264D0 (en) * 1985-06-06 1985-07-10 British Telecomm Coherent optical receivers
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
US4856093A (en) 1989-08-08
ES2040219T3 (es) 1993-10-16
ATE86053T1 (de) 1993-03-15
CN87104453A (zh) 1988-01-27
JP2718677B2 (ja) 1998-02-25
DE3621734A1 (de) 1988-01-07
EP0250819A2 (de) 1988-01-07
EP0250819A3 (en) 1989-07-26
YU117987A (en) 1989-06-30
EP0250819B1 (de) 1993-02-24
DE3784272D1 (de) 1993-04-01
CN1005952B (zh) 1989-11-29
JPS6325632A (ja) 1988-02-03

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